Originalarbeiten / Original papers

2024

  • E. Doğan, K. Sydow, S.E. Heiden, E. Eger, G. Wassilew, R.A. Proctor, J.A. Bohnert, E.A. Idelevich, K. Schaufler, K. Becker. Klebsiella pneumoniae exhibiting a phenotypic hyper-splitting phenomenon including the formation of small colony variants. Front. Cell. Infect. Microbiol. [accepted] [BioRvix Januar 2024. doi: 10.1101/2024.01.11.575232 ]

  • M. Fischer, L. Nonnenmacher, J.C. Reichert, J.A. Bohnert, E.A. Idelevich, E. Doğan, K. Becker, G.I. Wassilew. Case Report: Hip arthroplasty after fracture-related joint infection caused by extensively drug-resistant Klebsiella pneumoniae. Front. Surg. 2024 11:1363298. doi: 10.3389/fsurg.2024.1363298

2023

  • C. Kohler, J. King, L. Stacker, K.V. Goller, J. Moritz, A. Pohlmann, N. Nath, A. Tzvetkova, M. Rieck, S. Paraskevopoulou, D. Beslic, M. Hölzer, S. Fuchs, J. Ziemann, L. Kaderali, M. Beer, N.O. Hübner, K. Becker. Neighborhood Watch: Genomic epidemiology of SARS‐CoV‐2 variants circulating in a German federal state, Mecklenburg‐Western Pomerania, in 2020‐2022. Emerg. Microbes Infect. 12(2):2245916. doi: 10.1080/22221751.2023.2245916
  • E. Heuser, K. Becker, E. A. Idelevich. Evaluation of an automated system for the counting of microbial colonies. Microbiol. Spectr. 2023 11(4):e0067323 DOI: 10.1128/spectrum.00673-23
  • K. Schaufler, T. Echelmeyer, M. Schwabe, S. Guenther, K. Becker, H. Fickenscher, A. Bueter, G. Maschkowitz, A. Krumbholz, D. Nurjadi, S.E. Heiden, E. Eger. Convergent Klebsiella pneumoniae strains belonging to a sequence type 307 outbreak clone combine cefiderocol and carbapenem resistance with hypervirulence. Emerg. Microbes Infect. 12(2):2271096. doi: 10.1080/22221751.2023.2271096.
  • E. R. Shaidullina; M. Schwabe; T. Rohde; V. V. Shapovalova; M. S. Dyachkova; A. D. Matsvay; Y. A. Savochkina; A. A. Shelenkov; Y. V. Mikhaylova; K. Sydow; F. Lebreton; E. A. Idelevich; S. E. Heiden; K. Becker; R. S. Kozlov; G. A. Shipulin; V. G. Akimkin; M. Lalk; S. Guenther; A. E. Zautner; J. A. Bohnert; A. M. Mardanova; R. Bouganim; D. Marchaim; K. J. Hoff; K. Schaufler; M. V. Edelstein. Genomic analysis of the international high-risk clonal lineage Klebsiella pneumoniae sequence type 395. Genome Med. 2023 15(1):9. doi: 10.1186/s13073-023-01159-6
  • M. Hummert, P. Leenders, A. Mellmann, K. Becker, T. Kuczius. Generation of Plasma-Activated Fluids for Successful Disinfection of Pseudomonas aeruginosa in Liquid Environments and Determination of Microbial Damage. Plasma 6(4) (2023): 699-713
  • L. Busch, A. M. Hanuschik, Y. Avlasevich, K. Darm, E. F. Hochheiser, C. Kohler, E. A. Idelevich, K. Becker, P. Rotsch, K. Landfester, M. E. Darvin, M. C. Meinke, C. M. Keck, A. Kramer, P. Zwicker. Advanced Skin Antisepsis: Application of UVA-Cleavable Hydroxyethyl Starch Nanocapsules for Improved Eradication of Hair Follicle-Associated Microorganisms. Pharmaceutics 2023 15:609. doi: 10.3390/pharmaceutics15020609
  • M. Aziz, A. Palmer, S. Iversen, J. E. Salazar, T. Pham, K. Roach, K. Becker, U. Kaspar, L. B. Price, S. Baig, M. Stegger, P. S. Andersen, C. M. Liu. Design and validation of Dolosigranulum pigrum specific PCR primers using the bacterial core genome. Sci. Rep. 2023 13(1):6110
  • J.K. Bender, E. Baufeld, K. Becker, H. Claus, A. Dudakova, A. Dörre, N. Fila, C. Fleige, A. Hamprecht, A. Hoffmann, M. Hogardt, A.J. Kaasch, A. Kola, N. Kriebel, F. Layer-Nicolaou, M. Marschal, E. Molitor, N.T. Mutters, J. Liese, C. Nelkenbrecher, B. Neumann, H. Rohde J. Steinmann, M. Sörensen, P. Thelen, M. Weig, A.E. Zautner, G. Werner. CHROMagarTM LIN-R as an efficient screening tool to assess the prevalence of linezolid-resistant enterococci in German hospital patients – a multicentre study approach, 2021-2022. J. Antimicrob. Chemother. 2023 [Online ahead of print]
  • N.C Droste, P. Leenders, A. Mellmann, K. Becker, T. Kuczius. Efficiency of plasma activated water on planktonic waterborne microorganisms occurring in water supply systems and dental unit waterlines. Dent. Res. Oral Health 6(3) (2023): 79-87

2022

  • M. Hussain, C. Kohler, K. Becker. Enolase of Staphylococcus lugdunensis is a surface exposed moonlighting protein that binds to ECM and the plasminogen/plasmin system. Front. Microbiol. 2022 13:837297. doi: 10.3389/fmicb.2022.837297. eCollection 2022
  • K. Klar, D. Knaack, S. Kampmeier, A.K. Hein, D. Görlich, S. Steltenkamp, U. Weyland, K. Becker. Knowledge about hand hygiene and related infectious disease awareness among primary school children in Germany. Children 2022, 9(2): 190 doi.org/10.3390/children9020190
  • U. Kaspar, N. Schleimer, E.A. Idelevich, S. Molinaro, K. Becker. Exploration of bacterial re-growth as in vitro phenomenon affecting methods for analysis of the antimicrobial activity of chimeric bacteriophage endolysins. Microorganisms. 2022 10(2): 445. doi: 10.3390/microorganisms10020445
  • E. Heuser, K. Becker, E.A. Idelevich. Bactericidal activity of sodium bituminosulfonate against Staphylococcus aureus. Antibiotics 2022 11(7): 896. doi: 10.3390/antibiotics11070896
  • A. Adeyanju, F. Schaumburg, A. Onayade, A. Akinyoola, T. Adeyemi, O. Ugbo, R. Köck, Y. Amusa, O. Lawal, T. Adeyanju, N. Torimiro, D. Akinpelu, D. Kolawole, C. Kohler, K. Becker. Local epidemiology of nosocomial Staphylococcus aureus infection in a Nigerian university teaching hospital. Antibiotics 2022 11(10):1372
  • A.G. Al-Bakri, L.A. Dahabiyeh, E. Khalil, D. Jaber, G. Kamel, N. Schleimer, C. Kohler, K. Becker. Synchrotron-radiation-based Fourier transform infrared microspectroscopy as a tool for the differentiation between staphylococcal small colony variants. Antibiotics 2022, 11, 1607 doi.org/10.3390/antibiotics11111607
  • J. Larsen, C.L. Raisen, X. Ba, N.J. Sadgrove, G.F. Padilla-González, M.S.J. Simmonds, I. Loncaric, H. Kerschner, P. Apfalter, R. Hartl, A. Deplano, S. Vandendriessche, B. Černá Bolfíková, P. Hulva, M.C. Arendrup, R.K. Hare, C. Barnadas, M. Stegger, R.N. Sieber, R.L. Skov, A. Petersen, Ø. Angen, S.L. Rasmussen, C. Espinosa-Gongora, F.M. Aarestrup, L.J. Lindholm, S.M. Nykäsenoja, F. Laurent, K. Becker, B. Walther, C. Kehrenberg, C. Cuny, F. Layer, G. Werner, W. Witte, I. Stamm, P. Moroni, H.J. Jørgensen, H. de Lencastre, E. Cercenado, F. García-Garrote, S. Börjesson, S. Hæggman, V. Perreten, C.J. Teale, A.S. Waller, B. Pichon, M.D. Curran, M.J. Ellington, J.J. Welch, S.J. Peacock, D.J. Seilly, F.J.E. Morgan, J. Parkhill, N.F. Hadjirin, J.A. Lindsay, M.T.G. Holden, G.F. Edwards, G. Foster, G.K. Paterson, X. Didelot, M.A. Holmes, E.M. Harrison, A.R. Larsen. Emergence of methicillin resistance predates clinical use of antibiotics. Nature 2022 602(7895):135-141 doi: 10.1038/s41586-021-04265-w
  • C. Glasner, M.S. Berends, K. Becker, J. Esser, J. Gieffers, A. Jurke, G. Kampinga, S. Kampmeier, R. Klont, R. Köck, L. von Müller, N. Al Naemi, A. Ott, G. Ruis, K. Saris, A. Tami, A. Voss, K. Waar, J. van Zeijl, A.W. Friedrich. A prospective multicentre screening study on multidrug-resistant organisms in intensive care units in the Dutch-German cross-border region, 2017 to 2018: the importance of healthcare structures. Euro Surveill. 2022 27(5) doi: 10.2807/1560-7917.ES.2022.27.5.2001660
  • E. Eger, M. Schwabe, L. Schulig, N.O. Hübner, J.A. Bohnert, U.T. Bornscheuer, S.E. Heiden, J.U. Müller, F. Adnan, K. Becker, C.L. Correa-Martinez, S. Guenther, E. A. Idelevich, D. Baecker, K. Schaufler. Extensively drug-resistant Klebsiella pneumoniae counteracts fitness and virulence costs that accompanied ceftazidime-avibactam resistance acquisition. Microbiol Spectr. 2022 10(3):e0014822. doi: 10.1128/spectrum.00148-22
  • M. Mksoud, T. Ittermann, B. Holtfreter, A. Söhnel, C. Söhnel, A. Welk, L. Ulm, K. Becker, N.O. Hübner, A. Rau, S. Kindler, T. Kocher. Prevalence of SARS-CoV-2 IgG antibodies among dental teams in Germany. Clin Oral Investig. 2022 26(5):3965-3974. doi: 10.1007/s00784-021-04363-z
  • J.A. Bohnert, L. Ulm, N.O. Hübner, U. Seifert, K. Becker, A. Kramer. The epidemiological relevance of the COVID-19-vaccinated population is decreasing after booster vaccination, as shown by incidence rate ratios (Correspondence). Lancet Reg. Health Eur. 2022 16:100372. doi: 10.1016/j.lanepe.2022.100372
  • M.S. Berends, C.F. Luz, A. Ott, G.I. Andriesse, K. Becker, C. Glasner, A.W. Friedrich. Trends in Occurrence and Phenotypic Resistance of Coagulase-Negative Staphylococci (CoNS) Found in Human Blood in the Northern Netherlands between 2013 and 2019. Microorganisms 2022 10(9), 1801 doi: 10.3390/microorganisms10091801
  • K.V. Goller, J. Moritz, J. Ziemann, C. Kohler, K. Becker, N.O. Hübner, The CoMV-Gen Study Group. Differences in clinical presentations of Omicron-infections with the lineages BA.2 and BA.5 in Mecklenburg-Western Pomerania, Germany, between April and July 2022. Viruses 2022, 14 (9), 2033. https://doi.org/10.3390/v14092033

2021

  • I.D. Nix, E.A. Idelevich, A. Schlattmann, K. Sparbier, M. Kostrzewa, K. Becker. MALDI-TOF mass spectrometry-based optochin susceptibility testing for differentiation of Streptococcus pneumoniae from other Streptococcus mitis group streptococci. Microorganisms 2021, 9(10), 2010
  • E.A. Idelevich, I.D. Nix, J.A. Busch, K. Sparbier, O. Drews, M. Kostrzewa, K. Becker. Rapid simultaneous testing of multiple antibiotics by the MALDI-TOF MS direct-on-target microdroplet growth assay. Diagnostics 2021, 11(10), 1803
  • A.G. Al-Bakri; N.R. Bulatova; N. Younes; G. Othman; D. Jaber; N. Schleimer; A. Kriegeskorte; K. Becker. Characterization of staphylococci sampled from diabetic foot ulcer of Jordanian patients. J. Appl. Microbiol. 2021 131(5):2552-2566
  • M. Hornschuh, P. Zwicker, A. Kramer, K. Schaufler, S.E Heiden, J.A. Bohnert, K. Becker, N.O. Hübner. Extensively drug-resistant Klebsiella pneumoniae ST307 outbreak strain from north-eastern Germany does not show increased tolerance to quaternary ammonium compounds and chlorhexidine. J. Hosp. Inf. 2021 113:52-58
  • E. Eger, S.E. Heiden, K. Becker, A. Rau, K. Geisenhainer, E.A. Idelevich, K. Schaufler. Hypervirulent Klebsiella pneumoniae sequence type 420 with a chromosomally inserted virulence plasmid. Int J Mol Sci. 2021 22(17):9196
  • G. Marincola, O. Liong, C. Schoen, A. Abouelfetouh, A. Hamdy, F.D. Wencker, T. Marciniak, K. Becker, R. Köck, W. Ziebuhr. Antimicrobial Resistance Profiles of Coagulase-negative Staphylococci in Community-based Healthy Individuals in Germany. Front. Public Health 2021 9 eCollection 2021 10.3389/fpubh.2021.684456
  • H. Wächter, E. Yörük, K. Becker, D. Görlich, B.C. Kahl. Correlations of host and bacterial characteristics with clinical parameters and survival in Staphylococcus aureus bacteremia. J. Clin. Med. 2021 10(7):1371
  • S. Handtke, M. Wolff, C. Zaninetti, J. Wesche, L. Schönborn, K. Aurich, L. Ulm, N. O. Hübner, K. Becker, T. Thiele, A. Greinacher. A Flow cytometric assay to detect platelet activating antibodies in VITT after ChAdOx1 nCov-19 vaccination. Blood 2021 137(26):3656-3659
  • T. Thiele, L. Ulm, S. Holtfreter, L. Schönborn, S.O. Kuhn, C. Scheer, T.E. Warkentin, B. Bröker, K. Becker, K. Aurich, K. Selleng, N.O. Hübner, A. Greinacher. Frequency of positive anti-PF4/polyanion antibody tests after COVID-19 vaccination with ChAdOx1 nCoV-19 and BNT162b2. Blood 2021 138(4):299-303
  • A.J. Sabat, E. Bathoorn, K. Becker, V. Akkerboom, M. Miskoski, T. Durfee, A.W. Friedrich. Staphylococcal cassette chromosome mec containing a novel mec gene complex, B4. J. Antimicrob. Chemother. 2021 76(8):1986-1990
  • M.J. Martin, B.W. Corey, F. Sannio, L.R. Hall, U. MacDonald, B.T. Jones, E.G. Mills, C. Harless, J. Stam, R. Maybank, Y. Kwak, K. Schaufler, K. Becker, N.O. Hübner, S. Cresti, G. Tordini, M. Valassina, M. Grazia Cusi, J.W. Bennett, T.A. Russo, P.T. McGann, F. Lebretona, J.D. Docquier. Anatomy of an extensively drug-resistant Klebsiella pneumoniae outbreak in Tuscany, Italy. Proc. Natl. Acad. Sci. U. S. A. (PNAS) 2021 118(48) e2110227118
  • T.T. Brehm, L. Berneking, M. Sena Martins, S. Dupke, D. Jacob, O. Drechsel, J. Bohnert, K. Becker, A. Kramer, M. Christner, M. Aepfelbacher, S. Schmiedel, H. Rohde, German Vibrio Study Group. Heatwave-associated Vibrio infections in Germany, 2018 and 2019. Euro Surveill. 2021 26(41)

2020

  • C.L. Correa-Martínez, E.A. Idelevich, K. Sparbier, T. Kuczius, M. Kostrzewa, K. Becker. Development of a MALDI-TOF MS-based screening panel for accelerated differential detection of carbapenemases in Enterobacterales using the direct-on-target microdroplet growth assay. Sci. Rep. 2020 10(1):4988
  • I.D. Nix, E.A. Idelevich, L.M. Storck, K. Sparbier, O. Drews, M. Kostrzewa, K. Becker. Detection of methicillin resistance in Staphylococcus aureus from agar cultures and directly from positive blood cultures using MALDI-TOF mass spectrometry-based direct-on-target microdroplet growth assay. Front. Microbiol. 2020 11:232 eCollection 2020
  • E.A. Idelevich, K. Becker. In vitro activity of sodium bituminosulfonate: susceptibility data for the revival of an old antimicrobial. Microb. Drug Resist. 2020 26(11):1405-1409
  • A. Schlattmann, K. von Lützau, U. Kaspar, K. Becker. The porcine nasal microbiota with particular attention to livestock-associated methicillin-resistant Staphylococcus aureus in Germany - a culturomic approach. Microorganisms 2020, 8(4), 514
  • E.A. Idelevich, A. Schlattmann, M. Kostrzewa, K. Becker. Development of a novel MALDI-TOF MS-based bile solubility test for rapid discrimination of Streptococcus pneumoniae. Int. J. Med. Microbiol. 2020 310(3):151413
  • F. Schaumburg, C.L. Correa-Martinez, S. Niemann, R. Köck, K. Becker. Aetiology of traveller's diarrhea: A nested case-control study. Travel Med. Infect. Dis. 2020 37:101696
  • M. Blisse, E.A. Idelevich, K. Becker. Investigation of in‐vitro adaptation toward sodium bituminosulfonate resistance in Staphylococcus aureus. Microorganisms 2020 8(12): 1962
  • M. Hussain, C. Kohler, K. Becker. Role of SrtA in pathogenicity of Staphylococcus lugdunensis. Microorganisms 2020, 8(12):1975
  • S.E. Heiden; N.O. Hübner; J.A. Bohnert; C.D. Heidecke; A. Kramer; V. Balau; W. Gierer; S. Schaefer; T. Eckmanns; S. Gatermann; E. Eger; S. Guenther; K. Becker; K. Schaufler. A Klebsiella pneumoniae ST307 outbreak clone from Germany demonstrates features of extensive drug resistance, hypermucoviscosity and enhanced iron acquisition. Genome Med. 2020 12(1):113
  • J. Treffon, S.A. Fotiadis, S. van Alen, K. Becker, B.C. Kahl. The virulence potential of livestock-associated methicillin-resistant Staphylococcus aureus cultured from the airways of cystic fibrosis patients. Toxins 2020 37:101696
  • E.A. Idelevich, D. Knaack, N.T. Nugroho, G. Peters, T. Bisdas, S. Molinaro, G.B. Torsello, K. Becker, M. Herten. Comparative in vitro activity of bacteriophage endolysin HY-133 against Staphylococcus aureus attached to vascular graft surface. Med Microbiol Immunol. 2020 209(1):51-57
  • D. Raafat, D.M. Mrochen, F. Al’Sholui, E. Heuser, R. Ryll, K.R. Pritchett-Corning, J. Jacob, B. Walther, F.R. Matuschka, D. Richter, U. Westerhüs, J. Pikula, J. van den Brandt, W. Nicklas, S. Monecke, B. Strommenger, S. van Alen, K. Becker, R.G. Ulrich, S. Holtfreter. Molecular epidemiology of methicillin-susceptible and methicillin-resistant Staphylococcus aureus in wild, captive and laboratory rats: effect of habitat on the nasal S. aureus population. Toxins. 2020 12(2). pii: E80

2019

  • E.A. Idelevich, H. Seifert, M. Sundqvist, L. Scudeller, S. Amit, A. Balode, A. Bilozor, P. Drevinek, Z.K.Tufan, A. Koraqi, B. Lamy, I. Mareković, J. Miciuleviciene, M.M. Premru, A. Pascual, S. Pournaras, V. Saegeman, H.C. Schønheyder, J. Schrenzel, T. Strateva, R. Tilley, W.J. Wiersinga, D. Zabicka, Y. Carmeli, K. Becker K, ESCMID Study Group for Bloodstream Infections, Endocarditis and Sepsis (ESGBIES). Microbiological diagnostics of bloodstream infections in Europe - An ESGBIES survey. Clin. Microbiol. Infect. 2019 25(11):1399-1407
  • F. Schaumburg, S. Sertic, C. Correa-Martinez, A. Mellmann, R. Köck, K. Becker. Acquisition and colonization dynamics of antimicrobial-resistant bacteria during international travel: a prospective cohort study. Clin. Microbiol. Infect. 2019 25(10):e1281-1287
  • N. Schleimer, U. Kaspar, D. Knaack, C. von Eiff, S. Molinaro, H. Grallert, E.A. Idelevich, K. Becker. In vitro activity of the bacteriophage endolysin HY-133 against Staphylococcus aureus small-colony variants and their corresponding wild types. Int. J. Mol. Sci. 2019 20(3) pii: E716
  • C.L. Correa-Martínez, E.A. Idelevich, K. Sparbier, M. Kostrzewa, K. Becker. Rapid detection of extended-spectrum beta-lactamases (ESBL) and AmpC beta-lactamases in Enterobacterales: Development of a screening panel using the MALDI-TOF MS-based direct-on-target microdroplet growth assay. Frontiers Microbiol. 2019 10:13
  • N. Schleimer, U. Kaspar, B. Ballhausen, S.A. Fotiadis, J.M. Streu, A. Kriegeskorte, R.A. Proctor, K. Becker. Adaption of an episomal antisense silencing approach for investigation of the phenotype switch of Staphylococcus aureus small-colony variants. Front. Microbiol. 2019 10:2044. eCollection 2019
  • D. Knaack, E.A. Idelevich, N. Schleimer, S. Molinaro, A. Kriegeskorte, G. Peters, K. Becker. Bactericidal activity of bacteriophage endolysin HY-133 against Staphylococcus aureus in comparison to other antibiotics as determined by minimum bactericidal concentrations and time-kill analysis. Diagn. Microbiol. Infect. Dis. 2019 93(4):362-368
  • U. Kaspar, K. von Lützau, A. Schlattmann, U. Rösler, R. Köck, K. Becker. Zoonotic multidrug-resistant microorganisms among non-hospitalized horses from Germany. One Health2019 7:100091, eCollection 2019
  • A. Jurke, I. Daniels-Haardt, W. Silvis, M.S. Berends, C. Glasner, K. Becker, R. Köck, A.W. Friedrich. Changing epidemiology of meticillin-resistant Staphylococcus aureus in 42 hospitals in the Dutch-German border region, 2012 to 2016: results of the search-and-follow-policy. Euro Surveill. 2019 24(15) doi: 10.2807/1560-7917.ES.2019.24.15.1800244
  • F. Schaumburg, S. Bletz, A. Mellmann, K. Becker, E. A. Idelevich. Comparison of methods to analyse susceptibility of German MDR/XDR Pseudomonas aeruginosa to ceftazidime/avibactam. Int. J. Antimicrob. Agents. 2019 54(2):255-260
  • J. Keizer; L.M. Braakman-Jansen; S. Kampmeier; R. Köck; N. Al Naiemi; R. Te Riet-Warning; N. Beerlage-De Jong; K. Becker; J.E. Van Gemert-Pijnen. Cross-border comparison of antimicrobial resistance (AMR) and AMR prevention measures: the healthcare workers' perspective. Antimicrob Resist Infect Control. 2019 8:123
  • A. Olalekan, F. Onwugamba, B. Iwalokun, A. Mellmann, K. Becker, F. Schaumburg. High proportion of carbapenemase producing Escherichia coli and Klebsiella pneumoniae among extended spectrum beta-lactamase producers in Nigerian hospitals. J. Glob. Antimicrob. Resist. 2019 21:8-12
  • M. Kosecka-Strojek, A.J. Sabat, V. Akkerboom, K. Becker, E. Van Zanten, G. Wisselink, J. Miedzobrodzki, M. Kooistra-Smid, A.W. Friedrich. Development and validation of a reference data set for assigning Staphylococcus species based on next-generation sequencing of the 16S-23S rRNA region. Front Cell Infect Microbiol. 2019 9:278
  • A. Apsemidou, K. Rauwolf, A. Tragiannidis, A. Brentrup, M. Schiborr, K. Becker, M. Ahlmann, A.H. Groll. Disseminated Bartonella henselae disease mimicking Langerhans' cell histiocytosis. Pediatr Blood Cancer 2019 66(4):e27573
  • A. Pérez-Hansen, C. Lass-Flörl, M. Lackner; Rare Yeast Study Group (M. Aigner, A. Alastruey-Izquierdo, S. Arikan-Akdagli, O. Bader, K. Becker, T. Boekhout, W. Buzina, O.A. Cornely, P. Hamal, S.E. Kidd, O. Kurzai, K. Lagrou, A. Lopes Colombo, M. Mares, H. Masoud, J.F. Meis, S. Oliveri, A.C. Rodloff, D. Orth-Höller, I. Guerrero-Lozano, M. Sanguinetti, E. Segal, S.J. Taj-Aldeen, A.M. Tortorano, L. Trovato, G. Walther, B. Willinger). Antifungal susceptibility profiles of rare ascomycetous yeasts. J Antimicrob Chemother. 2019 74(9):2649-56
  • S. Haller, R. Kramer, K. Becker, J.A. Bohnert, T. Eckmanns, J.B. Hans, J. Hecht, C.D. Heidecke, N.O. Hübner, A. Kramer, K. Klaper, M. Littmann, L. Marlinghaus, B. Neumann, Y. Pfeifer, N. Pfennigwerth, S. Rogge, K. Schaufler, A. Thürmer, G. Werner, S. Gatermann. Extensively drug-resistant Klebsiella pneumoniae ST307 outbreak, north-eastern Germany, June to October 2019. Euro Surveill. 2019 24(50)

2018

  • E.A. Idelevich, K. Sparbier, M. Kostrzewa, K. Becker. Rapid detection of antibiotic resistance by MALDI-TOF mass spectrometry using a novel direct-on-target microdroplet growth assay. Clin. Microbiol. Infect. 2018 24(7):738-43
  • E.A. Idelevich, L.M. Storck, K. Sparbier, O. Drews, M. Kostrzewa, K. Becker. Rapid direct susceptibility testing from positive blood cultures by the MALDI-TOF MS-based direct-on-target microdroplet growth assay. J. Clin. Microbiol. 2018 56(10). pii: e00913-18
  • K. Becker, S. van Alen, E.A. Idelevich, N. Schleimer, J. Seggewiß, A. Mellmann, U. Kaspar, G. Peters. Plasmid-encoded transferable mecB-mediated methicillin resistance in Staphylococcus aureus. Emerg. Infect. Dis. 2018 24(2):242-8
  • N. Schleimer, U. Kaspar, M. Drescher, J. Seggewiß, C. von Eiff, R.A. Proctor, G. Peters, A. Kriegeskorte, K. Becker. The Energy-Coupling Factor Transporter Module EcfAA'T, a Novel Candidate for the Genetic Basis of Fatty Acid-Auxotrophic Small-Colony Variants of Staphylococcus aureus. Front. Microbiol. 2018 9:1863. doi: 10.3389/fmicb.2018.01863. eCollection 2018
  • A. Kriegeskorte, E.A. Idelevich, A. Schlattmann, F. Layer, B. Strommenger, O. Denis, G.K. Paterson, M.A. Holmes, G. Werner, K. Becker. Comparison of different phenotypic approaches to screen and detect mecC harboring methicillin-resistant Staphylococcus aureus. J. Clin. Microbiol. 2018 56(1):e00826-17
  • U. Kaspar, J.A. de Haro Sautto, S. Molinaro, G. Peters, E.A. Idelevich, K. Becker. The novel phage-derived antimicrobial agent HY-133 is active against livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA). Antimicrob Agents Chemother. 2018 62(7):pii:e00385-18
  • S. van Alen, B. Ballhausen, U. Kaspar, R. Köck, K. Becker. Prevalence and genomic structure of bacteriophage phi3 in human derived livestock-associated MRSA from 2000 to 2015. J. Clin. Microbiol. 2018 56(9). pii: e00140-18
  • U. Kaspar, A. von Lützau, A. Schlattmann, U. Roesler, R. Köck, K. Becker. Zoonotic multidrug-resistant microorganisms among small companion animals in Germany. PLoS ONE 2018 13(12):e0208364
  • C. Correa-Martinez, A. Brentrup, K. Hess, K. Becker, A. H. Groll, F. Schaumburg. First description of a local Coprinopsis cinerea skin and soft tissue infection. New Microbes New Infect. 2018 21:102-104
  • E. A. Idelevich, M. Hoy, D. Knaack, D. Görlich, G. Peters, M. Borowski, K. Becker. Direct determination of carbapenem-resistant Enterobacteriaceae and Pseudomonas aeruginosa from positive blood cultures using laser scattering technology. Int. J. Antimicrob. Agents 51(2):221-6
  • S. van Alen, U. Kaspar, E.A. Idelevich, R. Köck, K. Becker. Increase of zinc resistance in German human derived livestock-associated MRSA between 2000 and 2014. Vet. Microbiol. 2018 214:7-12
  • A. Schlattmann, K. von Lützau, U. Kaspar, K. Becker. 'Rothia nasisuis' sp. nov., 'Dermabacter porcinasus' sp. nov., 'Propionibacterium westphaliense' sp. nov., and 'Tessaracoccus nasisuum' sp. nov., isolated from porcine nasal swabs in the Münster region, Germany. New Microbes New Infect. 2018 26: 114–117
  • R. Köck, P. Siemer, J. Esser, S. Kampmeier, M.S. Berends, C. Glasner, J.P. Arends, K. Becker, A.W. Friedrich. Defining multidrug resistance of Gram-negative bacteria in the Dutch-German border region - impact of national guidelines. Microorganisms 2018 6(11):1-8 pii: E11
  • D. Knaack, E.A. Idelevich, B. Körber-Irrgang, M. Kresken, K. Becker. Evaluation of a novel optical assay for rapid detection of methicillin-resistant Staphylococcus aureus in liquid culture. J. Microbiol. Meth. 2018 146:68-70
  • E.A. Idelevich, U. Groß, K. Becker*, O. Bader* [*contributed equally]. Comparative evaluation of different gradient diffusion tests for detection of azole resistance in Aspergillus fumigatus. Diagn. Microbiol. Infect. Dis. 2018 91(1):52-4
  • E.A. Idelevich, D.A. Freeborn, H. Seifert, K. Becker. Comparison of tigecycline susceptibility testing methods for multidrug-resistant Acinetobacter baumannii. Diagn Microbiol Infect Dis. 2018 91(4):360-2
  • G. Kampmeier, P.H. Arnemann, M. Hessler, L.M. Seidel, K. Becker, A. Morelli, S.W. Rehberg, C. Ertmer. Comparison of first-line and second-line terlipressin versus sole norepinephrine in fulminant ovine septic shock. Sci Rep. 2018 8(1):7105
  • A. Kossow; B. Stühmer; F. Schaumburg; K. Becker; B. Glatz; M. Möllers; S. Kampmeier; A. Mellmann. High prevalence of MRSA and Multi-resistant Gram-negative bacteria in refugees admitted to the hospital - but no hint of transmission. PLoS ONE 2018 13(5):e0198103
  • S.M. Przybysz, C. Correa-Martinez, R. Köck, K. Becker, F. Schaumburg. SuperPolymyxin™ medium for the screening of colistin-resistant Gram-negative bacteria in stool samples. Front. Microbiol. 2018 ;9:2809
  • H. Frickmann, A. Hahn, R. Skusa, N. Mund, V. Viehweger, T. Köller, K. Köller, N.G. Schwarz, K. Becker, P. Warnke, A. Podbielski. Comparison of the etiological relevance of Staphylococcus haemolyticus and Staphylococcus hominis. Eur. J. Clin. Microbiol. Infect. Dis. 2018 37(8):1539-45

2017

  • K. Becker, F. Schaumburg, C. Fegeler, A.W. Friedrich, R. Köck, Prevalence of Multiresistant Microorganisms (PMM) Study Group. Staphylococcus aureus from the German general population is highly diverse. Int. J. Med. Microbiol. 2017 307:21-7
  • S. van Alen, B. Ballhausen, G. Peters, A.W. Friedrich, A. Mellmann, R. Köck, K. Becker. In the centre of an epidemic: Fifteen years of LA-MRSA CC398 at the University Hospital Münster. Vet. Microbiol. 2017 200:19-24
  • E.A. Idelevich, B. Grünastel, K. Becker. Rapid Detection and identification of candidemia by direct blood culturing on solid medium using lysis-centrifugation method combined with MALDI-TOF MS. J. Clin. Microbiol. 2017 55(1):97-100
  • E.A. Idelevich, M. Hoy, D. Görlich, D. Knaack, B. Grünastel, G. Peters, M. Borowski, K. Becker. Rapid phenotypic detection of microbial resistance in Gram-positive bacteria by a real-time laser scattering method. Front. Microbiol. 2017 8:1064 eCollection 2017
  • R. Köck; J. Wüllenweber; D. Horn; C. Lanckohr; K. Becker; E.A Idelevich. Implementation of short incubation MALDI-TOF MS identification from positive blood cultures in routine diagnostics and effects on empiric antimicrobial therapy. Antimicrob. Res. Infect Control 2017 6:12
  • F. Schaumburg, S. Bletz, A. Mellmann, K. Becker, E. Idelevich. Susceptibility of MDR Pseudomonas aeruginosa to ceftolozane/tazobactam and comparison of different susceptibility testing methods. J. Antimicrob. Chemother. 2017 2017 72(11):3079-84
  • F. Schaumburg, G. Peters, E. Wardelmann, K. Becker, J. Sperveslage. Evaluation of GenoType® MTBDRplus using extracted DNA from formalin-fixed paraffin-embedded specimens J. Clin. Microbiol. 2017 55(11):3300-2
  • J. Ehrhardt, A.S. Alabi, P.G. Kremsner, W. Rabsch, K. Becker, F.T. Foguim, T. Kuczius, M. Esen, F. Schaumburg. Bacterial contamination of water samples in Gabon, 2013. J. Microbiolol. Immunol. Infect. 2017 50(5):718-722
  • M. Herten, T. Bisdas, D. Knaack, K. Becker, N. Osada, G.B. Torsello, E.A. Idelevich. Rapid in vitro quantification of S. aureus biofilms on vascular graft surfaces. Front Microbiol. 2017;8:2333
  • M.H. Wilke, K. Becker, S. Kloss, S.M. Heimann, A. Goldmann, B. Weber, M.W. Pletz, P. Simon, C. Petrik. Treatment of MRSA pneumonia: Clinical and economic comparison of linezolid vs. vancomycin - a retrospective analysis of medical charts and re-imbursement data of real-life patient populations. GMS Infect. Dis. 2017 5(Doc02):1-8
  • T. Goerge, M.B. Lorenz, S. van Alen, N.O. Hübner, K. Becker, R. Köck. MRSA colonization and infection among persons with occupational livestock exposure in Europe: Prevalence, preventive options and evidence. Vet. Microbiol. 2017 200:6-12
  • F. Schaumburg, R. Dieckmann, T. Schmidt-Bräkling, K. Becker, E.A. Idelevich. First description of an Anaerobiospirillum succiniciproducens prosthetic joint infection. New Microbes New Infect. 2017 18: 1-2
  • A.B. Schulze, B. Heptner, T. Kessler, B. Baumgarten, V. Stoica, R. Wiewrodt, V. Warneke, W. Hartmann, J. Wüllenweber, C. Schülke, M. Schäfers, D. Wilmes, K. Becker, L. H. Schmidt, A. H. Groll, W. E. Berdel. Progressive disseminated histoplasmosis presenting with hemophagocytic lymphohistiocytosis and multi-organ eosinophilic epithelioid cell granulomatosis in an immunocompetent patient: A case report and review of the literature. Eur. J. Haematol. 2017 99(1):91-100
  • M. Herten, E.A. Idelevich, S. Sielker, K. Becker, A.S. Scherzinger, N. Osada, G.B. Torsello, T. Bisdas. Vascular graft impregnation with antibiotics - influence of high concentrations of rifampin, vancomycin, daptomycin and bacteriophage endolysin HY-133 on viability of vascular cells. Med. Sci. Monit. Basic Res. 2017 23:250-257

2016

  • U. Kaspar, A. Kriegeskorte, T. Schubert, G. Peters, C. Rudack, D.H. Pieper, M. Wos-Oxley, K. Becker. The culturome of the human nose habitats reveals individual bacterial fingerprint patterns. Environ. Microbiol. 2016 18(7): 2130-42
  • R. Köck, P. Werner, A.W. Friedrich, C. Fegeler, K. Becker for the Prevalence of Multiresistant Microorganisms (PMM) Study Group. Persistence of nasal colonization with human pathogenic bacteria and associated antimicrobial resistance in the German general population. New Microbes New Infect. 2016 9:24-34
  • E.A. Idelevich, F. Schaumburg, D. Knaack, A.S. Scherzinger, W. Mutter, G. Peters, A. Peschel, K. Becker. The recombinant bacteriophage endolysin HY-133 exhibits in vitro activity against different African clonal lineages of the Staphylococcus aureus complex including Staphylococcus schweitzeri. Antimicrob. Agents Chemother. 2016 60(4):2551-3
  • K. Becker, O. Denis, S. Roisin, A. Mellmann, E.A. Idelevich, D. Knaack, S. van Alen, A. Kriegeskorte, R. Köck, F. Schaumburg, G. Peters, B. Ballhausen. Detection of mecA- and mecC-positive methicillin-resistant Staphylococcus aureus (MRSA) isolates by the new Xpert® MRSA Gen 3 PCR. J. Clin. Microbiol. 2016 54(1):180-4
  • F. Schaumburg, G. Peters, A. Alabi, K. Becker, E. Idelevich. Missense mutations of PBP2a are associated with reduced susceptibility to ceftaroline and ceftobiprole in African methicillin-resistant Staphylococcus aureus. J. Antimicrob. Chemother. 2016 71(1):41-4
  • F. Schaumburg, R. Köck, F. Leendertz, K. Becker. Airport door handles and the global spread of antimicrobial-resistant bacteria: a cross sectional study. Clin. Microbiol. Infect. 2016 22(12):1010-1011
  • Y. Reers, E.A. Idelevich, H. Pätkau, M.C. Sauerland, S. Tafelski, I. Nachtigall, W.E. Berdel, G. Peters, G. Silling, K. Becker for the Molecular Diagnostics of Sepsis Study Group. Multiplex PCR assay underreports true bloodstream infections with coagulase-negative staphylococci in hematological patients with febrile neutropenia. Diagn. Microbiol. Infect. Dis. 2016 85(4):413-5
  • A.F. Schmalreck, B. Willinger, E.A. Idelevich, C. Fegeler, C. Lass-Flörl, W. Fegeler, K. Becker. Parallel- and cross-resistances of clinical yeast isolates determined by susceptibility pattern analysis. GMS Infect. Dis. 2016 4(Doc02):1-13
  • M.L. Wos-Oxley, D. Chaves-Moreno, R. Jáuregui, A.P.A. Oxley, U. Kaspar, I. Plumeier, S. Kahl, C. Rudack, K. Becker, D.H. Pieper. Exploring the bacterial assemblages along the human nasal passage. Environ. Microbiol. 2016 18(7):2259-71
  • E.A. Idelevich, M. Büsing, A. Mischnik, M. Kaase, I. Bekeredjian-Ding, K. Becker. False non-susceptible results of tigecycline susceptibility testing against Enterobacteriaceae by an automated system: a multicentre study. J. Med. Microbiol. 2016 65(8):877-81
  • F. Schaumburg, F.C. Onwugamba, R. Akulenko, G. Peters, A. Mellmann, R. Köck, K. Becker. A geospatial analysis of flies and the spread of antimicrobial resistant bacteria. Int. J. Med. Microbiol. 2016 306(7):566-71
  • E.A. Idelevich, K. Becker, J. Schmitz, D. Knaack, G. Peters, R. Köck. Evaluation of an automated system for reading and interpreting disk diffusion antimicrobial susceptibility testing of fastidious bacteria. PLoS ONE 2016 11(7):e0159183
  • M. Kresken, B. Körber-Irrgang, C. Petrik, H. Seifert, A. Rodloff, K. Becker. Temporal trends of the in vitro activity of tigecycline and comparator antibiotics against clinical aerobic bacterial isolates collected in Germany, 2006-2014: results of the Tigecycline Evaluation and Surveillance Trial (TEST) GMS Infect. Dis. 2016 4(Doc07):1-17
  • M. Kaase, S. Schimanski,·R. Schiller, B. Beyreiß, A. Thürmer, J. Steinmann, V.A. Kempf, C. Hess, I. Sobottka, I. Fenner, S. Ziesing, I. Burckhardt, L. von Müller, A. Hamprecht, I. Tammer, N. Wantia, K. Becker, T. Holzmann, M. Furitsch, G. Volmer, S.G. Gatermann.·Multicentre investigation of carbapenemase-producing Escherichia coli and Klebsiella pneumoniae in German hospitals. Int. J. Med. Microbiol. 2016 306(6):415-20
  • L.M. Koeth, P. Apfalter, K. Becker, G. Gesu, L. Martínez-Martínez, S.D. Lahiri, R.A. Alm, J. Ambler, J. Iaconis. Multi-center and multi-method evaluation of in vitro activities of ceftaroline against S. aureus. Diagn. Microbiol. Infect. Dis. 2016 85(4):452-8
  • Idelevich, C. Lanckohr, D. Horn, L.H. Wieler, K. Becker, R. Köck. Antibiotika-resistente Erreger in Deutschland. Die Rolle von nicht nosokomialen Ansteckungsquellen. [Multidrug-resistant bacteria in Germany: The impact of sources outside healthcare facilities] Bundesgesundheitsbl. Gesundheitsforschung Gesundheitsschutz. 2016 59(1):113-23
  • E.A. Idelevich, K. Becker. Identification and susceptibility testing from shortly incubated cultures accelerate blood culture diagnostics at no cost. [letter] Clin. Infect. Dis. 2016 62(2):268-9
  • M. Pohlen, J. Marx, A. Mellmann, K. Becker, R.M. Mesters, J.H. Mikesch, C. Schliemann, G. Lenz, C. Müller-Tidow, T. Büchner, U. Krug, M. Stelljes, H. Karch, G. Peters, U. Gerth, D. Görlich, W.E. Berdel. Ciprofloxacin versus colistin prophylaxis during neutropenia in acute myeloid leukemia: Two parallel patient cohorts treated in a single center. Haematologica 2016 101(10):1208-15
  • D. Harmsen. Real-time genome sequencing of resistant bacteria provides precision infection control in an institutional setting. J. Clin. Microbiol. 2016 54(12):2874-81
  • S. Junge, D. Görlich, M. den Reijer, B. Wiedemann, B. Tümmler, H. Ellemunter, A. Dübbers, P. Küster, M. Ballmann, C. Koerner-Rettberg, J. Große-Onnebrink, E. Heuer, W. Sextro, J. G. Mainz, J. Hammermann, J. Riethmüller, U. Graepler-Mainka, D. Staab, B. Wollschläger, R. Szczepanski, A. Schuster, F. K. Tegtmeyer, S. Sutharsan, A. Wald, J. R. Nofer, W. van Wamel, K. Becker, G. Peters, B. C. Kahl. Factors associated with worse lung function in cystic fibrosis patients with persistent Staphylococcus aureus. PLoS One. 2016 11(11):e0166220

2015

  • M. Hussain, T. Steinbacher, G. Peters, C. Heilmann, K. Becker. The adhesive properties of the Staphylococcus lugdunensis multifunctional autolysin AtlL and its role in biofilm formation and internalization. Int J Med Microbiol. 2015 305(1):129-139
  • E.A. Idelevich, G. Silling, Y. Niederbracht, H. Penner, M.C. Sauerland, S. Tafelski, I. Nachtigall, W.E. Berdel, G. Peters, K. Becker, Molecular Diagnostics of Sepsis study group. Impact of multiplex PCR on antimicrobial treatment in febrile neutropenia: a randomized controlled study. Med. Microbiol. Immunol. 2015 204(5):585-92
  • F. Schaumburg, B. Gast, H. Sannon, A. Mellmann, K. Becker. Is Africa the origin of major Haitian Staphylococcus aureus lineages? Int. J. Infect. Dis 2015 34:1-2
  • E.A. Idelevich, B. Grünastel, G. Peters, K. Becker. Direct blood culturing on solid medium outperforms automated continuously monitored broth-based blood culture system in terms of time to identification and susceptibility testing. New Microbes New Infect. 2015 10:19-24
  • N.A. Laham, J.R. Mediavilla, L. Chen, N. Abdelateef, F.A. Elamreen, C.C. Ginocchio, D. Pierard, K. Becker, B.N. Kreiswirth. MRSA clonal complex 22 strains harboring toxic shock syndrome toxin (TSST-1) are endemic in the primary hospital in Gaza, Palestine. PLoS One 2015 10(3):e0120008
  • F. Schaumburg, M. Pauly, E. Anoh, A. Mossoun, L. Wiersma, G. Schubert, A. Flammen, A.S. Alabi, J.J. Muyembe-Tamfum, M.P. Grobusch, S. Karhemere, C. Akoua-Koffi, E. Couacy-Hymann, P.G. Kremsner, A. Mellmann, K. Becker, F.H. Leendertz, G. Peters. Staphylococcus aureus complex from animals and humans in three remote African regions. Clin. Microbiol. Infect. 2015 21(4):345.e1-8
  • A. Kriegeskorte, N.I. Lorè, A. Bragonzi, C. Riva, M. Kelkenberg, K. Becker, R.A. Proctor, G. Peters, B.C. Kahl. Thymidine-dependent Staphylococcus aureus small colony variants (SCVs) are induced by trimethoprim-sulfamethoxazole (SXT) and have an increased fitness during SXT challenge. Antimicrob. Agents Chemother. 2015 59(12):7265-72
  • C. Kraef, A.S. Alabi, G. Peters, K. Becker, P.G. Kremsner, E. Rossatanga, A. Mellmann, M.P. Grobusch, P. Zanger, F. Schaumburg. Co-detection of Panton-Valentine leukocidin encoding genes and cotrimoxazole resistance in Staphylococcus aureus in Gabon: implications for HIV-patients' care. Front. Microbiol. 2015 6:60
  • N.B. Rajendran, J. Eikmeier, K. Becker, M. Hussain, G. Peters, C. Heilmann. Important contribution of the novel locus comEB to extracellular DNA-dependent Staphylococcus lugdunensis biofilm formation. Infect. Immun. 2015 83(12):4682-92
  • L.M. Strauß, C. Dahms, K. Becker, A. Kramer, M. Kaase, A. Mellmann. Development and evaluation of a novel universal β-lactamase gene subtyping assay for blaSHV, blaTEM and blaCTX-M using clinical and livestock-associated Escherichia coli. J. Antimicrob. Chemother. 2015 70(3):710-5
  • F. Schaumburg, A.S. Alabi, H. Kaba, B. Lell, K. Becker, M.P. Grobusch, P.G. Kremsner, A. Mellmann. Molecular characterization of Shigella spp. from patients in Gabon 2011-2013. Trans. R. Soc. Trop. Med. Hyg. 2015 109(4):275-9
  • K. Kerl, K. Ehlert, A. Brentrup, M. Schiborr, K. Keyvani, K. Becker, C. Rossig, A.H. Groll. Cerebral toxoplasmosis in an adolescent post allogeneic hematopoietic stem cell transplantation: successful outcome by antiprotozoal chemotherapy and CD4+ T-lymphocyte recovery. Transpl. Infect. Dis. 2015 17(1):119-24
  • S. Tafelski, I. Nachtigall, T. Adam, S. Bereswill, J. Faust, A. Tamarkin, T. Trefzer, M. Deja, E.A. Idelevich, K.D. Wernecke, K. Becker, C. Spies for the Molecular Diagnostics of Sepsis Study Group. Molecular Diagnostics of Sepsis Study Group. Randomized controlled clinical trial evaluating multiplex polymerase chain reaction for pathogen identification and therapy adaptation in critical care patients with pulmonary or abdominal sepsis. J Int Med Res. 2015 43(3):364-77
  • C. Berning, C. Lanckohr, H. Baumgartner, M. Drescher, K. Becker, G. Peters, R. Köck, B.C. Kahl. Fatal infections caused by methicillin-resistant Staphylococcus aureus of clonal complex 398: case presentations and molecular epidemiology. JMM Case Reports 2015 2(2):1-4
  • J. Ehrhardt, A.S. Alabi, T. Kuczius, F.F. Tsombeng, K. Becker, P.G. Kremsner, F. Schaumburg, M. Esen. Population structure of Legionella spp. from environmental samples in Gabon, 2013. Infect. Genet. Evol. 2015 33:299-303
  • O.O. Ayepola, N.A. Olasupo, L.O. Egwari, K. Becker, F. Schaumburg. Molecular characterization and antimicrobial susceptibility of Staphylococcus aureus strains from clinical infection and asymptomatic carriers in Southwest Nigeria. PLoS ONE 2015 10(9):e0137531
  • M. Grinholc, A. Rodziewicz, K. Forys, A. Rapacka-Zdonczyk, A. Kawiak, A. Domachowska, G. Golunski, C. Wolz, L. Mesak, K. Becker, K.P. Bielawski. Fine-tuning recA expression in Staphylococcus aureus for antimicrobial photoinactivation: importance of photo-induced DNA damage in the photoinactivation mechanism. Appl. Microbiol. Biotechnol. 2015 99(21):9161-76

2014

  • B. Ballhausen, A. Kriegeskorte, N. Schleimer, G. Peters, K. Becker. The mecA homolog mecC confers resistance against beta-lactams in Staphylococcus aureus irrespective of the genetic strain background. Antimicrob. Agents Chemother. 2014 58(7):3791-8
  • E.A. Idelevich, I. Schüle, B. Grünastel, J. Wüllenweber, G. Peters, K. Becker. Rapid identification of microorganisms from positive blood cultures by MALDI-TOF mass spectrometry subsequent to very short-term incubation on solid medium. Clin. Microbiol. Infect. 2014 20(10):1001-6
  • B. Ballhausen*, P. Jung*, A. Kriegeskorte, P.E. Makgotlho, U. Ruffing, L. von Müller, R. Köck, G. Peters, M. Herrmann, W. Ziebuhr, K. Becker*, M. Bischoff* (*contributed equally). LA-MRSA CC398 differ from classical community acquired-MRSA and hospital acquired-MRSA lineages: Functional analysis of infection and colonization processes. Int. J. Med. Microbiol. 2014 304(7):777-86
  • E.A. Idelevich, I. Schüle, B. Grünastel, J. Wüllenweber, G. Peters, K. Becker. Acceleration of antimicrobial susceptibility esting from positive blood cultures by inoculation of shortly incubated solid medium ultures into Vitek 2. J. Clin. Microbiol. 2014 52(11):4058-62
  • F. Schaumburg, E.A. Idelevich, G. Peters, A. Mellmann, C. von Eiff, K. Becker and Study Group. Trends in antimicrobial non-susceptibility in methicillin-resistant Staphylococcus aureus from Germany (2004-2011). Clin. Microbiol. Infect. 2014 20(9):O554-7
  • E.A. Idelevich, T. Walther, S. Molinaro, X. Li, G. Xia, A. Wieser, G. Peters, A. Peschel, K. Becker. Bacteriophage-based latex agglutination test for rapid identification of Staphylococcus aureus. J. Clin. Microbiol. 2014 52(9):3394-8
  • A. Kriegeskorte, S. Grubmüller, C. Huber, B.C. Kahl, C. von Eiff, R.A. Proctor, G. Peters, W. Eisenreich, K. Becker. Staphylococcus aureus small colony variants show common metabolic features in central metabolism irrespective of the underlying auxotrophism. Front. Cell. Infect. Microbiol. 2014 4:141
  • F. Schaumburg, M. Pauly, G. Schubert, A. Shittu, S. Tong, F. Leendertz, G. Peters, K. Becker. Characterization of a novel thermostable nuclease homolog (NucM) in a highly divergent Staphylococcus aureus clade. J. Clin. Microbiol. 2014 52(11):4036-8
  • R. Gläser, K. Becker, C. von Eiff, U. Meyer-Hoffert, J. Harder. Decreased susceptibility of Staphylococcus aureus small colony variants (SCVs) towards human antimicrobial peptides. J. Invest. Dermatol. 2014 134(9):2347-50
  • A. Kriegeskorte, D. Block, M. Drescher, N. Windmüller, A. Mellmann, C. Baum, C. Neumann, N.I. Lorè, A. Bragonzi, E Liebau, P. Hertel, J. Seggewiss, K. Becker, R.A. Proctor, G. Peters, B.C. Kahl. Inactivation of thyA in Staphylococcus aureus attenuates virulence and has a strong impact on metabolism and virulence gene expression. MBio. 2014 5(4): pii: e01447-14
  • F. Schaumburg, A. Alabi, G. Mombo-Ngoma, H. Kaba, R. Zoleko, D. Diop, J.R. Mackanga, A. Basra, R. Gonzalez, C. Menendez, M. Grobusch, P. Kremsner, R. Köck, G. Peters, M. Ramharter, K. Becker. Transmission of Staphylococcus aureus between mothers and infants in an African setting. Clin. Microbiol. Infect. 2014 20(6):O390-6
  • A. Camarinha-Silva, R. Jáuregui, D. Chaves-Moreno, A.P. Oxley, F. Schaumburg, K. Becker, M.L. Wos-Oxley, D.H. Pieper. Comparing the anterior nare bacterial community of two discrete human populations using Illumina amplicon sequencing. Environ. Microbiol. 2014 16(9):2939-52
  • E.A. Idelevich, C.M. Grunewald, J. Wüllenweber, K. Becker. Rapid identification and susceptibility testing of Candida spp. from positive blood cultures by combination of direct MALDI-TOF mass spectrometry and direct inoculation of Vitek 2. PLoS ONE 9(12):e114834
  • K.O. Okon, A.O. Shittu, A.A. Kudi, H. Umar, K. Becker, F. Schaumburg F. Population dynamics of Staphylococcus aureus from Northeastern Nigeria in 2007 and 2012. Epidemiol. Infect. 2014 142(8):1737-40
  • F. Schaumburg, A.S. Alabi, L. Frielinghaus, M.P. Grobusch, R. Köck, K. Becker, S. Issifou, P.G. Kremsner, G. Peters, A. Mellmann. The risk to import ESBL-producing Enterobacteriaceae and Staphylococcus aureus through chicken meat trade in Gabon. BMC Microbiol. 14(1):286
  • A.F. Schmalreck, M. Lackner, K. Becker, W. Fegeler, V. Czaika, H. Ulmer, C. Lass-Flörl. Phylogenetic relationships matter: antifungal susceptibility among clinically relevant yeasts. Antimicrob. Agents Chemother. 2014 58(3):1575-85
  • R. Dieckmann, D. Schulz, G. Gosheger, K. Becker, K. Daniilidis, A. Streitbürger, J. Hardes, S. Hoell. Two-stage hip revision arthroplasty with a hexagonal modular cementless stem in cases of periprosthetic infection. BMC Musculoskelet. Disord. 2014 15:398
  • M. Alnawaiseh, M.R. Böhm, E.A. Idelevich, K. Becker, S. Grewe, N. Eter, U.H. Grenzebach, N. Eter. Erfolgreiche Therapie einer Fusarium-assoziierten Keratitis bei multiresistentem Keim und multimorbidem Patienten. Ophthalmologe 2014 111(3):259-61
  • Czaika V, Nenoff P, Glöckner A, Becker K, Fegeler W, Schmalreck AF. Detection of azole susceptibility patterns in clinical yeast strains isolated from 1998 to 2008. New Microbiol. 2014 37(4):465-94
  • A.F. Schmalreck, W. Fegeler, K. Becker, C. Lass-Flörl, V. Czaika. Cross-resistance of azoles, echinocandins, flucytosine, and amphotericin B in clinically important hyphomycetes. Int. J. Microbiol. Res. 6(1): 519-44
  • A.F. Schmalreck, H. Hof, K. Becker, W. Fegeler, V. Czaika. Susceptibility patterns and cross-resistance of: antimicrobial peptides (defensins, bacteriocins, ionophores), aminoglycosides, macrolides, penicillins, cephalosporins, and carbapenems in Listeria spp. World Res. J. Antimicrob. Agents 2014 3(1):39-61
  • A. Domhöver, R. Köck, K. Becker, A. Mellmann, A.W. Friedrich. Prävalenz von Methicillin-resistenten Staphylococcus aureus (MRSA) und mit MRSA-assoziierte Risikofaktoren in der ambulanten Pflege. Umweltmed. Hyg. Arbeitsmed. 2014 19(5) 426-430

  • 2013

  • R. Köck, L. Eißing, M. Boschin, B. Ellger, D. Horn, E. Idelevich, K. Becker. Evaluation of Bactec™ Mycosis IC/F and Plus Aerobic/F blood culture bottles for the detection of Candida in the presence of antifungal agents. J. Clin. Microbiol. 51(11):3683-7
  • K. Becker, A.R. Larsen, R.L. Skov, G.K. Paterson, M.A. Holmes, A.J. Sabat, A.W.. Friedrich, R. Köck, G. Peters, A. Kriegeskorte. Evaluation of a modular multiplex-PCR methicillin-resistant Staphylococcus aureus (MRSA) detection assay adapted for mecC detection. J. Clin. Microbiol. 2013 51(6):1917-9
  • D.O. Kolawole, A. Adeyanju, F. Schaumburg, A.L. Akinyoola, O.O. Lawal, Y.B. Amusa, R. Köck, K. Becker. Characterization of colonizing Staphylococcus aureus isolated from surgical wards' patients in a Nigerian university hospital. PLoS ONE 2013 8(7): e68721
  • F. Schaumburg, C. Schmalstieg, B. Fiedler, A. Brentrup, H. Omran, K. Becker. A bumpy road to diagnosis of a Kytococcus schroeteri shunt infection. J Med Microbiol. 2013 62(1):165-8
  • A. Jurke, R. Köck, K. Becker, S. Thole, R. Hendrix, J. Rossen, I. Daniels-Haardt, A.W. Friedrich. Molecular epidemiology of meticillin-resistant Staphylococcus aureus (MRSA): think regionally but use globally uniform typing languages. Euro Surveill. 2013;18(43):pii=20617
  • A. Jurke, R. Köck, K. Becker, S. Thole, R. Hendrix, J. Rossen, I. Daniels-Haardt, A.W. Friedrich. Reduction of the nosocomial meticillin-resistant Staphylococcus aureus incidence density by a region-wide search and follow-strategy in forty German hospitals of the EUREGIO, 2009 to 2011. Euro Surveill. 2013 18(36):pii=20579
  • F. Schaumburg, L. Mugisha, P. Kappeller, C. Fichtel, R. Köck, S. Köndgen, K. Becker, C. Boesch, G. Peters, F. Leendertz. Evaluation of non-invasive biological samples to monitor Staphylococcus aureus colonization in great apes and lemurs. PLoS ONE 2013 8(10):e78046
  • A.G. Al-Bakri, H. Al-Hadithi, V. Kasabri, G. Othman, A. Kriegeskorte, K. Becker. The epidemiology and molecular characterization of methicillin-resistant staphylococci sampled from a healthy Jordanian population. Epidemiol. Infect. 2013 141(11):2384-91
  • A.J. Sabat, R. Köck, V. Akkerboom, R. Hendrix, R.L. Skov, K. Becker, A.W. Friedrich. Novel organization of arginine catabolic mobile element and staphylococcal cassette chromosome mec composite island and its horizontal transfer between distinct Staphylococcus aureus genotypes. Antimicrob. Agents Chemother. 2013 57(11):5774-7
  • C. Fehrmann, K. Jurk, A. Bertling, G. Seidel, W. Fegeler, B.E. Kehrel, G. Peters, K. Becker, C. Heilmann. Role for the fibrinogen-binding proteins Coagulase and Efb in the Staphylococcus aureus-Candida interaction. Int. J. Med. Microbiol. 2013 303(5):230-8
  • A.A. Shehabi, R. Abu-Yousef, E. Badran, A.G. Al-Bakri, L.F. Abu-Qatouseh, K. Becker. Major characteristics of Staphylococcus aureus colonizing Jordanian infants. Pediatr Int. 2013 55(3):300-4
  • F. Schaumburg, A. Alabi, C. Kokou, M.P. Grobusch, R. Köck, H. Kaba, K. Becker, A.A. Adegnika, P. Kremsner, G. Peters, A. Mellmann. High burden of extended-spectrum  -lactamase-producing Enterobacteriaceae in Gabon. J Antimicrob Chemother. 2013 68(9):2140-3
  • K.M Brandt; A. Mellmann; B. Ballhausen; C. Jenke; P.J. van der Wolf; E.M. Broens; K. Becker; R. Köck. Evaluation of multiple-locus variable number of tandem repeats analysis for typing livestock-associated methicillin-resistant Staphylococcus aureus. PLoS ONE 2013 8(1):e54425
  • R. Köck, F. Schaumburg, A. Mellmann, M. Köksal, A. Jurke, K. Becker; A. W. Friedrich. Livestock-associated methicillin-resistant Staphylococcus aureus (MRSA) as causes of human infection and colonization in Germany. PLoS ONE 2013 8(2): e55040
  • E.A. Idelevich, C.A. Pogoda, B. Ballhausen, J. Wüllenweber1, L. Eckardt, H. Baumgartner, J. Waltenberger, G. Peters, K. Becker. Pacemaker lead infection and related bacteremia caused by normal and small colony variant phenotypes of Bacillus licheniformis. J. Med. Microbiol. 2013 62(6) 940-4
  • V. Czaika, P. Nenoff, A. Glöckner, K. Becker, W. Fegeler and A.F. Schmalreck. Epidemiology and changes in patient-related factors from 1997 to 2009 in clinical yeast isolates related to dermatology, gynaecology, and paediatrics. Int. J. Microbiol. 2013:703905
  • D. Bettenworth, T.M. Nowacki, A. Friedrich, K. Becker, J. Wessling, J. Heidemann. Crohn's disease complicated by intestinal infection with methicillin-resistant Staphylococcus aureus. World J. Gastroenterol. 2013 19(27): 4418-4421

2012

  • A. Kriegeskorte, B. Ballhausen, E. A. Idelevich, R. Köck, A.W. Friedrich, H. Karch, G. Peters, K. Becker. Human MRSA isolates with novel genetic homolog, Germany. Emerg. Infect. Dis. 2012 18(6) 1016-8
  • F. Schaumburg, R. Köck, A. Mellmann, L. Richer, F. Hasenberg, A. Kriegeskorte, A.W. Friedrich, S. Gatermann, G. Peters, K. Becker and Study Group. Population dynamics among methicillin resistant Staphylococcus aureus in Germany during a 6-year period. J. Clin. Microbiol. 2012 50(10):3186-92
  • A.J. Sabat, M. Koksal, V. Akkerboom, S. Monecke, A. Kriegeskorte, R. Hendrix, R. Ehricht, R. Köck, K. Becker, A.W. Friedrich. Detection of new methicillin-resistant Staphylococcus aureus that carry novel genetic homologue and important virulence determinants. J. Clin. Microbiol. 2012 50(10):3374-77
  • D.S. Smyth, J.M. Kafer, G.A. Wasserman, L. Velickovic, B. Mathema, R.S. Holzman, T.A. Knipe, K. Becker, C. von Eiff, G. Peters, L. Chen, B.N. Kreiswirth, R.P. Novick, B. Shopsin. Nasal carriage as a source of agr-defective Staphylococcus aureus bacteremia. J. Infect. Dis. 2012 206(8):1168-77
  • A.F. Schmalreck, B. Willinger, G. Haase, G. Blum, C. Lass-Flörl, W. Fegeler, K. Becker for the Antifungal Susceptibility Testing (AFST) Study Group. Species and susceptibility distribution of 1,062 clinical yeast isolates to azoles, echinocandins, flucytosine and amphotericin B from a multi-centre study. Mycoses 2012 55(3) e124-e137
  • A. Schmalreck, B. Willinger, V. Czaika, W. Fegeler, K. Becker, G. Blum, C. Lass-Flörl. Susceptibility screening of hyphae-forming fungi with a new, easy, and fast inoculum preparation method. Mycopathologia 2012 174(5-6):467-74
  • L.G. Garcia, S. Lemaire, B.C. Kahl, K. Becker, R.A. Proctor, P.M. Tulkens, F. Van Bambeke. Intracellular forms of menadione-dependent small-colony variants of methicillin-resistant Staphylococcus aureus are hypersusceptible to ß-lactams in a THP-1 cell model due to cooperation between vacuolar acidic pH and oxidant species. J. Antimicrob. Chemother. 2012 67(12):2873-81
  • L.G. Garcia, S. Lemaire, B.C. Kahl, K. Becker, R.A. Proctor, P.M. Tulkens, F. Van Bambeke. Influence of the protein kinase C activator, phorbol myristate acetate (PMA), on the intracellular activity of antibiotics against hemin and menadione auxotrophic small-colony variant (SCV) mutants of Staphylococcus aureus and their wild-type parental strain in human THP-1 cells. Antimicrob. Agents Chemother. 2012 56(12):6166-74
  • F. Schaumburg, B. Biallas, A.S. Alabi, M.P. Grobusch, E.N. Feugap, B. Lell, A. Mellmann, G. Peters, P.G. Kremsner, K. Becker, A.A. Adegnika. Clonal structure of Staphylococcus aureus colonizing children with sickle cell anaemia and healthy controls. Epidemiol. Infect. 2012 [Epub ahead of print]
  • F. Schaumburg, A. S. Alabi, R. Köck, A. Mellmann, P. G. Kremsner, C. Boesch, K. Becker, F. H. Leendertz, G. Peters. Highly divergent Staphylococcus aureus isolates from African non-human primates. Environ. Microbiol. Rep. 2012 4(1):141-46
  • B. Köten, K. Becker, R. Podschun, C. von Eiff, U. Meyer-Hoffert, J. Harder, R. Gläser. Susceptibility of Staphylococcus aureus bacteremia strains to different skin-derived antimicrobial proteins. Arch Dermatol Res. 2012 304(8):633-7
  • F. Schaumburg, L. Mugisha, B. Peck, K. Becker, T.R. Gillespie, G. Peters, F.H. Leendertz. Drug-resistant human Staphylococcus aureus in sanctuary apes pose a threat to endangered wild ape populations. Am. J. Primatol. 2012 74(12):1071-5
  • T. Kuczius, K. Becker, A. Fischer, W. Zhang. Simultaneous detection of three CNS indicator proteins in complex suspensions using a single immuno-PCR protocol. Anal Biochem. 2012 431(1):4-10
  • U. Ateba Ngoa, F. Schaumburg, A.A. Adegnika, K. Kösters, T. Möller, J.F. Fernandes, A. Alabi, S. Issifou, K. Becker, M.P. Grobusch, P.G. Kremsner, B. Lell. Epidemiology and population structure of Staphylococcus aureus in various population groups from a rural and semi urban area in Gabon, Central Africa. Acta Trop. 2012 124(1):42-7
  • A. Camarinha-Silva, M.L. Wos-Oxley, R. Jáuregui, K. Becker, D.H. Pieper. Validating T-RFLP as a sensitive and high-throughput approach to assess bacterial diversity patterns in human anterior nares. FEMS Microbiol. Ecol. 2012 79 (1) 98-108
  • G. Sander, T. Börner, A. Kriegeskorte, C. von Eiff, K. Becker, and E. Mahabir-Brenner. Catheter colonization and abscess formation due to Staphylococcus epidermidis with normal and small-colony-variant phenotype is mouse strain dependent. PLoS One. 2012 7(5):e36602
  • A. Garofalo, C. Giai, S. Lattar, N. Gardella, M. Mollerach, B.C. Kahl, K. Becker, A. Prince, D. Sordelli, M. Gómez. The length of the Staphylococcus aureus protein A polymorphic region regulates inflammation: Impact on acute and chronic infection. J. Infect. Dis. 2012 206(1):81-90
  • L. Garcia, S. Lemaire, B. Kahl, K. Becker, R. Proctor, O. Denis, P. Tulkens, F. Van Bambeke. Pharmacodynamic Evaluation of the activity of antibiotics against hemin and menadione-dependent small-colony variants of Staphylococcus aureus in models of extracellular (broth) and intracellular (THP-1 monocytes) infections. Antimicrob. Agents Chemother. 2012 56 (7) 3700-11
  • G.A. Khayrullina, C.A. Raabe, C.H. Hoe, K. Becker, R. Reinhardt, T.H. Tang, T.S. Rozhdestvensky, A.M. Kopylov. Transcription analysis and small non-protein coding RNAs associated with bacterial ribosomal protein operons. Curr Med Chem. 2012 19(30):5187-98
  • D. Moissenet, K. Becker, A. Mérens, A. Ferroni, B. Dubern, H. Vu-Thien. Persistent blood stream infection with Kocuria rhizophila related to a damaged central catheter. J. Clin. Microbiol. 2012 50(4) 1495-1498
  • S.M. Lattar, L.P. Tuchscherr, D. Centrón, K. Becker, S.C. Predari, F.R. Buzzola, D.A. Robinson, D.O. Sordelli. Molecular fingerprinting of Staphylococcus aureus isolated from patients with osteomyelitis in Argentina and clonal distribution of the cap5(8) genes and of other selected virulence genes  Eur J Clin Microbiol Infect Dis 2012 31(10):2559-2566
  • M. Elazhari, L.F Abu-Quatouseh, D. Elhabchi, K. Zerouali, N. Dersi, R. Saile, M. Timinouni, K. Becker. Characterization of fusidic acid-resistant Staphylococcus aureus isolates in the community of Casablanca (Morocco). Int. J. Med. Microbiol. 2012 302 (2) 96-100
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2011

  • A. Kriegeskorte, S. König, G. Sander, A. Pirkl, E. Mahabir, R.A. Proctor, C. von Eiff, G. Peters, K. Becker. Small colony variants of Staphylococcus aureus reveal distinct protein profiles. Proteomics 2011 11(12) 2476-2490
  • E.A. Idelevich, C. von Eiff, A.W. Friedrich, D. Iannelli, G. Xia, G. Peters, A. Peschel, I. Wanninger, K. Becker. In vitro activity of a novel antimicrobial agent PRF-119 - a recombinant chimeric bacteriophage endolysin against Staphylococcus aureus. Antimicrob. Agents Chemother. 2011 55(9) 4416-4419
  • F. Schaumburg, U.A. Ngoa, K. Kösters, R. Köck, A.A. Adegnika, P.G. Kremsner, B. Lell, G. Peters, A. Mellmann, K. Becker. Virulence factors and genotypes of Staphylococcus aureus from infection and carriage in Gabon. Clin Microbiol Infect. 2011 17(10) 1507-1513
  • E.A. Idelevich, A. Kriegeskorte, W. Stubbings, B. Kahl, G. Peters, K. Becker. Comparative in vitro activity of finafloxacin against staphylococci displaying normal and small colony variant phenotypes. J. Antimicrob. Chemother. 2011 66(12) 2809-2813
  • R. Köck, K. Siam, S. Al-Malat, J. Christmann, F. Schaumburg, K. Becker, A.W. Friedrich. Characteristics of hospital patients colonized with livestock-associated meticillin-resistant Staphylococcus aureus (MRSA) CC398 versus other MRSA clones. J. Hosp. Infect. 2011 79(4) 292-296
  • F. Schaumburg, R. Köck, A.W. Friedrich, S. Soulanoudjingar, U.A. Ngoa, C. von Eiff, S. Issifou, P.G. Kremsner, M. Herrmann, G. Peters, K. Becker. Population Structure of Staphylococcus aureus from Remote African Babongo Pygmies. PLoS Negl. Trop. Dis. 2011 5(5) 2011 e1150
  • L. Tuchscherr, E. Medina, M. Hussain, W. Völker, V. Heitmann, S. Niemann, D. Holzinger, J. Roth, R.A. Proctor, K. Becker, G. Peters, B. Löffler. Staphylococcus aureus phenotype switching: an effective bacterial strategy to escape host immune response and establish a chronic infection. EMBO Mol. Med. 3 (3) 2011 129-141
  • M. Kresken, K. Becker, H. Seifert, E. Leitner, B. Körber-Irrgang, C. von Eiff, P.A. Löschmann and Study Group. Resistance trends and in vitro activity of tigecycline and 17 other antimicrobial agents against Gram-positive and Gram-negative organisms including multidrug-resistant pathogens in Germany. Eur. J. Clin. Microbiol. Infect. Dis. 30 (9) 2011 1095-1103
  • M.S. Barbagelata, L. Alvarez, M. Gordiola, L. Tuchscherr, C. von Eiff, K. Becker, D.O. Sordelli, F.R. Buzzola. Auxotrophic mutant of Staphylococcus aureus interferes with nasal colonization by the wild type. Microbes Infect. 2011 13(12-13) 1081-1090
  • F. Sachse, K. Becker, T.J. Basel, D. Weiss, C. Rudack. IKK-2 inhibitor TPCA-1 represses nasal epithelial inflammation in vitro. Rhinology. 2011 49(2):168-73
  • N. Nippe, G. Varga, D. Holzinger, B. Löffler, E. Medina, K. Becker, J. Roth, J.M. Ehrchen, C. Sunderkötter. Subcutaneous infection with S. aureus in mice reveals association of resistance with influx of neutrophils and Th2 response. J Invest Dermatol. 131 (1) 2011 125-132

2010

  • L.F. Abu-Qatouseh, S.V. Chinni, J. Seggewiß, R.A. Proctor, J. Brosius, T.S. Rozhdestvensky, G. Peters, C. von Eiff, K. Becker. Identification of differentially expressed small non-protein-coding RNAs in Staphylococcus aureus displaying both the normal and the small-colony variant phenotype. J. Mol. Med. 88 (6) 2010 565-575
  • L. Tuchscherr, V. Heitmann, M. Hussain, D. Viemann, J. Roth, C. von Eiff, G. Peters, K. Becker, B. Löffler. Staphylococcus aureus small-colony variants are adapted phenotypes for intracellular persistence. J. Infect. Dis. 202 (7) 2010 1031-1040
  • M. L. Wos-Oxley, I. Plumeier, C. von Eiff, S. Taudien, M. Platzer, R. Vilchez-Vargas, K. Becker, D. H. Pieper. A poke into the diversity and associations within human anterior nare microbial communities. ISME J. 4 (7) 2010 839-851
  • F. Sachse, K. Becker, C. von Eiff, D. Metze, C. Rudack. Staphylococcus aureus invades the epithelium in nasal polyposis and induces IL-6 in nasal epithelial cells in vitro. Allergy 65 (11) 2010 1430-1437
  • M. Grundmeier, L. Tuchscherr, M. Brück, D. Viemann, J. Roth, E. Willscher, K. Becker, G. Peters, B. Löffler. Staphylococcal strains vary greatly in their ability to induce an inflammatory response in endothelial cells. J. Infect. Dis. 201 (6) 2010 871-880
  • F. Szabados, K. Becker, C. von Eiff, M. Kaase, S. Gatermann. The matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOF MS)-based protein peaks of 4448 and 5302Da are not associated with the presence of Panton-Valentine leukocidin. Int. J. Med. Microbiol. 2010 [Epub ahead of print]
  • N. Werth, C. Beerlage, C. Rosenberger, A.S. Yazdi, M. Edelmann, A. Amr, W. Bernhardt, C. von Eiff, K. Becker, A. Schäfer, A. Peschel, V.A. Kempf. Activation of hypoxia inducible factor 1 is a general phenomenon in infections with human pathogens. PLoS ONE 5 (7) 2010 e11576
  • R. Capparelli, N. Nocerino, R. Lanzetta, A. Silipo, A. Amoresano, C. Giangrande, K. Becker, G. Blaiotta, A. Evidente, A. Cimmino, M. Iannaccone, M. Parlato, C. Medaglia, S. Roperto, F. Roperto, L. Ramunno, D. Iannelli. Bacteriophage-resistant Staphylococcus aureus mutant confers broad immunity against staphylococcal infection in mice. PLoS ONE 5 (7) 2010 e11720
  • S. Böcher, B. Middendorf, H. Westh, A. Mellmann, K. Becker, R. L. Skov, A. Friedrich. Semi-selective broth improves screening for methicillin-resistant Staphylococcus aureus. J. Antimicrob. Chemother. J. Antimicrob. Chemother. 65 (4) 2010 717-720
  • H. F. Bloos, F. Hinder, K. Becker, S. Sachse, A. Mekontso-Dessap, E. Straube, V. Cattoir, C. Brun-Buisson, K. Reinhart, G. Peters, M. Bauer. A multicentre trial to compare blood culture with polymerase chain reaction in severe human sepsis. Intensive Care Med. 36 (2) 2010 241-247
  • F. Sachse, K. Becker, C. Rudack. Incidence of staphylococcal colonization and of the 753Q Toll-like receptor 2 variant in nasal polyposis. Am. J. Rhinol. Allergy 24 (1) 2010 e10-e13
  • H. Grundmann, D.M. Aanensen, C.C. van den Wijngaard, B.G. Spratt, D. Harmsen, A.W. Friedrich, the European Staphylococcal Reference Laboratory Working Group (... K. Becker...). Geographic distribution of Staphylococcus aureus causing invasive infections in Europe: A molecular-epidemiological analysis. PLoS Med. 7(1) 2010 e1000215

2009

  • U. Reischl, J. Frick, S. Hoermansdorfer, H. Melzl, M. Bollwein, H. J. Linde, K. Becker, R. Köck, C. Tuschak, U. Busch, A. Sing. Single-nucleotide polymorphism in the SCCmec-orfX junction distinguishes between livestock-associated MRSA CC398 and human epidemic MRSA strains. Euro.Surveill. 2009 14:pii: 19436
  • C. Rudack, F. Sachse, N. Albert, K. Becker, C. von Eiff. Immunomodulation of nasal epithelial cells by Staphylococcus aureus-derived serine proteases. J. Immunol. 183 (11) 2009 7592-7601
  • S.M. Lattar, L.P. Tuchscherr, R.L. Caccuri, D. Centrón, K. Becker, C.A. Alonso, C. Barberis, G. Miranda, F.R. Buzzola, C. von Eiff, D.O. Sordelli. Capsule expression and genotypic differences among Staphylococcus aureus isolates from patients with chronic or acute osteomyelitis. Infect. Immun. 77 (5) 2009 1968-1975
  • I. Joost, D. Blass, M. Burian, C. Goerke, C. Wolz, L. von Müller, K. Becker, K. Preissner, M. Herrmann, M. Bischoff. Transcription analysis of the extracellular adherence protein from Staphylococcus aureus in the authentic human infection and in vitro. J. Infect. Dis. 199 (10) 2009 1471-1478
  • R. Köck, J. Harlizius, N. Bressan, R. Laerberg, L.H. Wieler, W. Witte, R.H. Deurenberg, A. Voss, K. Becker, A.W. Friedrich. Prevalence and molecular characteristics of methicillin-resistant Staphylococcus aureus (MRSA) among pigs on German farms and import of livestock-related MRSA into hospitals. Eur. J. Clin. Microbiol. Infect. Dis. 28 (11) 2009 1375-1382
  • C. Karsten, S. Baumgarte, A.W. Friedrich, C. von Eiff, K. Becker, W. Wosniok, A. Ammon, J. Bockemühl, H. Karch, H.I. Huppertz. Incidence and risk factors for community-acquired acute gastroenteritis in north-west Germany in 2004. Eur. J. Clin. Microbiol. Infect. Dis. 28 (8) 2009 935-943
  • R. Diller, U. Stratmann, E. Minin, C. von Eiff, G. Bäumer, H. Huismans, T. Helmschmied, K. Becker, H.U. Spiegel. ATIII attenuates endotoxemia induced healing impairment in the colon. J. Surg. Res. 157 (1) 2009 4-13
  • R. Köck, L. Brakensiek, A. Mellmann, F. Kipp, M. Henderikx, D. Harmsen, I. Daniels-Haardt, C. von Eiff, K. Becker, M.G. Hendrix, A.W. Friedrich. Cross-border comparison of the admission prevalence and clonal structure of meticillin-resistant Staphylococcus aureus. J. Hosp. Infect. 71 (4) 2009 320-326
  • D. Campoccia, L. Montanaro, C. von Eiff, V. Pirini, S. Ravaioli, K. Becker, C.R. Arciola. Cluster analysis of ribotyping profiles of Staphylococcus epidermidis isolates recovered from foreign body-associated orthopedic infections. J. Biomed. Mater. Res. A 88 (3) 2009 664-672
  • T. Kuczius, K. Becker, H. Karch, W. Zhang. High sensitivity detection of the glial fibrillary acidic protein as indicator for TSE risk material in meat products using an immuno-PCR. Mol. Nutr. Food Res. 53 (10) 2009 1329-1335

2008

  • J. Lannergård, C. von Eiff, G. Sander, T. Cordes, J. Seggewiß, G. Peters, R.A. Proctor, K. Becker, D. Hughes. Identification of the genetic basis for clinical menadione-auxotrophic small-colony variant isolates of Staphylococcus aureus. Antimicrob Agents Chemother. 52 (11) 2008 4017-4022
  • K. Becker, F. Rutsch, A. Uekötter, F. Kipp, J. König, T. Marquardt, G. Peters, C. von Eiff. Kocuria rhizophila adds to the emerging spectrum of micrococcal species involved in human infections. J. Clin. Microbiol. 46 (10) 2008 3537-3539
  • F. Sachse, C. von Eiff, K. Becker, C. Rudack. Anti-inflammatory effects of ciprofloxacin in S. aureus Newman induced nasal inflammation in vitro. J. Inflamm. (Lond.) 5 (11) 2008 doi:10.1186/1476-9255-5-11
  • M. Hussain, C. von Eiff, B. Sinha, I. Joost, M. Herrmann, G. Peters, K. Becker. eap gene as novel target for specific identification of Staphylococcus aureus. J. Clin. Microbiol. 46 (2) 2008 470-476
  • I. Daniels-Haardt, A. Jurke, R. Köck, K. Becker, A.W. Friedrich. Der Einfluss regionaler Netzwerkbildung auf die Zusammenarbeit von Gesundheitsbehörden und Krankenhäusern. Strukturierte Erhebung und Weiterleitung von MRSA-Basiskennzahlen. Epidemiol. Bull. 2008 (28) 2008 219-223
  • W. Zhang, M. Bielaszewska, M. Pulz, K. Becker, A.W. Friedrich, H. Karch, T. Kuczius. A new immuno-PCR assay for the detection of low concentrations of Shiga toxin 2 and its variants. J. Clin. Microbiol. 46 (4) 2008 1292-1297
  • F. Sachse, C. von Eiff, K. Becker, M. Steinhoff, C. Rudack. Proinflammatory impact of Staphylococcus epidermidis on the nasal epithelium quantified by IL-8 and GRO-alpha responses in primary human nasal epithelial cells. Int. Arch. Allergy Immunol. 145 (1) 2008 24-32
  • C. Schulze, A. Kroll, C.-M. Lehr, U.F. Schäfer, K. Becker, J. Schnekenburger, C. Schulze Isfort, R. Landsiedel, W. Wohlleben. Not ready to use - overcoming pitfalls when dispersing nanoparticles in physiological media. Nanotoxicol. 2 (2) 2008 51-61
  • C. von Eiff, D. Maas, G. Sander, A.W. Friedrich, G. Peters, K. Becker. Microbiological evaluation of a new growth-based approach for rapid detection of methicillin-resistant Staphylococcus aureus. J. Antimicrob. Chemother. 61 (6) 2008 1277-1280

2007

  • A. Fischer, C. von Eiff, T. Kuczius, K. Omoe, G. Peters, K. Becker. A quantitative real-time immuno-PCR approach for detection of staphylococcal enterotoxins. J. Mol. Med. 85 (5) 2007 461-469
  • K. Becker, A. S. Almasri, C. von Eiff, G. Peters, C. Heilmann, W. Fegeler. Systematic Survey of Nonspecific Agglutination by Candida spp. in Latex Assays. J. Clin. Microbiol. 45 (4) 2007 1315-1318
  • C. Werbick, K. Becker, A. Mellmann, K.M. Juuti, C. von Eiff, G. Peters, P.I. Kuusela, A. Friedrich, B. Sinha. Staphylococcal chromosomal cassette mec type I, spa type, and expression of Pls are determinants of reduced cellular invasiveness of methicillin-resistant Staphylococcus aureus isolates. J. Infect. Dis. 195 (11) 2007 1678-1685
  • N. Al Laham, , H. Rohde, G. Sander, A. Fischer, M. Hussain, C. Heilmann, D. Mack, R. Proctor, G. Peters, K. Becker, C. von Eiff. Augmented expression of polysaccharide intercellular adhesin in a defined Staphylococcus epidermidis mutant with the small-colony-variant phenotype. J. Bacteriol. 189 (12) 2007 4494-4501
  • K. Trülzsch, B. Grabein, P. Schumann, A. Mellmann, U. Antonenka, J. Heesemann, K. Becker. Staphylococcus pettenkoferi sp. nov., a novel coagulase-negative staphylococcal species isolated from human clinical specimens. Int. J. Syst. Evol. Microbiol. 57 (7) 2007 1543-1548
  • C. von Eiff, K.L. Taylor, A. Mellmann, A.I. Fattom, A.W. Friedrich, G. Peters, K. Becker. Distribution of capsular and surface polysaccharide serotypes of Staphylococcus aureus. Diagn. Microbiol. Infect. Dis. 58 (3) 2007 297-302
  • F. Bottner, A. Wegner, W. Winkelmann, K. Becker, M. Erren, C. Götze. Interleukin-6, procalcitonin and TNF-Alpha: Markers of peri-prosthetic infection following total joint replacement. J. Bone Joint Surg. Br. 89-B (1) 2007 94-99
  • T. Kaiser, J. Langhorst, H. Wittkowski , K. Becker, A.W. Friedrich, A. Rueffer, G.J. Dobos, J. Roth, D. Foell. Fecal S100A12 as non-invasive marker distinguishing inflammatory bowel disease from irritable bowel syndrome. Gut 56 (12) 2007 1706-1713
  • C. Rudack, M. Steinhoff, F. Mooren, K. Becker, C. von Eiff, F. Sachse. PAR-2 activation regulates IL-8 and GRO-Alpha synthesis by NF-kB, but not RANTES, IL-6, eotaxin or TARC expression in nasal epithelium. Clin. Exp. Allergy 37 (7) 2007 1009-1022
  • C.R. Arciola, L. Baldassarri, C. von Eiff, D. Campoccia, S. Ravaioli, V. Pirini, K. Becker, L. Montanaro. Prevalence of genes encoding for staphylococcal leukocidal toxins among clinical isolates of Staphylococcus aureus from implant orthopedic infections. Int. J. Artif. Organs 30 (9) 2007 792-797
  • J.-H. Mikesch, A. Rudat, M. Zühlsdorf, W.E. Berdel, R. Mesters, B. Conrad, K. Becker, W. Fegeler, C. Anthoni. Subcutaneous zygomycosis in neutropenia. J. Clin. Oncol. 25 (30) 2007 4844-4845
  • A.W. Friedrich, I. Daniels-Haardt, J.E.W.C. van Gemert-Pijnen, M.G.R. Hendrix, C. von Eiff, F. Kipp, K. Becker, R. Köck, F. Verhoeven, A. Mellmann. Ein regionales Netzwerk zur Prävention und Kontrolle von Infektionen durch MRSA: EUREGIO MRSA-net Twente/Münsterland. Epidemiol. Bull. (33) 2007 307-311 (Abdruck auch in: Hyg. Med. 32 (9) 2007 353–356)
  • I. Hörnig-Franz, B. C. Kahl, W. Tebbe, C. Kersting, H. Bürger, K. Nolte, K. Becker, M. Bulla, O. Debus, H. Rabe, E. Harms. Nekrotisierende Pneumonie mit Staphylococcus aureus (pvl-Gen positiv). Letal verlaufende Pneumonie bei einem 12-jährigen immunkompetenten Mädchen. Monatsschr. Kinderheilkd. 155 (S1) 2007 S10-S15

2006

  • K. Becker, I. Pagnier, B. Schuhen, F. Wenzelburger, A.W. Friedrich, F. Kipp, G. Peters, C. von Eiff. Does Nasal Cocolonization by Methicillin-Resistant Coagulase-Negative Staphylococci and Methicillin-Susceptible Staphylococcus aureus Strains Occur Frequently Enough to Represent a Risk of False-Positive Methicillin-Resistant S. aureus Determinations by Molecular Methods? J. Clin. Microbiol.44 (1) 2006 229-231
  • K. Becker, N. A. Laham, W. Fegeler, R.A. Proctor, G. Peters, C. von Eiff. Fourier-transform infrared spectroscopic analysis is a powerful tool for studying the dynamic changes in Staphylococcus aureus small colony variants. J. Clin. Microbiol. 44 (9) 2006 3274-3278
  • J. Seggewiß, K. Becker, O. Kotte, M. Eisenacher, M.R. Khoschkhoi Yazdi, A. Fischer, P. McNamara, N. Al Laham, R. Proctor, G. Peters, M. Heinemann, C. von Eiff. Reporter metabolite analysis of transcriptional profiles of a Staphylococcus aureus strain with normal phenotype and its isogenic hemB mutant displaying the small colony variant phenotype. J. Bacteriol. 188 (22) 2006 7765-7777
  • C. von Eiff, P. McNamara, K. Becker, D. Bates, X.-H. Lei, M. Ziman, B.R. Bochner, G. Peters, R.A. Proctor. Phenotype Microarray Profiling of Staphylococcus aureus menD and hemB Mutants with the Small-Colony-Variant Phenotype. J. Bacteriol. 188 (2) 2006 687-693
  • A. Mellmann, K. Becker, C. von Eiff, U. Keckevoet, P. Schumann, D. Harmsen. Sequencing and staphylococci identification. Emerg. Infect. Dis. 12 (2) 2006 333-336
  • G. Blaiotta, V. Fusco, C. von Eiff, F. Villani, K. Becker. Biotyping of enterotoxigenic Staphylococcus aureus by enterotoxin gene cluster (egc) polymorphism and spa-typing analyses. Appl. Environ. Microbiol. 72 (9) 2006 6117-6123
  • F. Sachse, C. von Eiff, W. Stoll, K. Becker, C. Rudack. Induction of CXC chemokines in A549 airway epithelial cells by trypsin and staphylococcal proteases - a possible route for neutrophilic inflammation in chronic rhinosinusitis. Clin. Exp. Immunol. 144 (3) 2006 534-542
  • A. Florax, K. Ehlert, K. Becker, J. Vormoor, A.H. Groll. Bordetella pertussis Respiratory Infection Following Hematopoietic Stem Cell Transplantation: Time for Universal Vaccination? Bone Marrow Transplant. 38 (9) 2006 639-640

2005

  • C. Breitkopf, D. Hammel, H. H. Scheld, G. Peters, K. Becker. Impact of a molecular approach to improve the microbiological diagnosis of infective heart valve endocarditis. Circulation 111 (11) 2005 1415-1421
  • C. Aepinus, C. Spang, A. Podbielski, K. Becker, B. Zimmermann, C. Plath, C. von Eiff. Staphylococcus aureus infection caused by a Panton Valentine leucocidin-producing strain. Ped. Infect. Dis. J. 24 (3) 2005 284-285
  • K. Becker, C. von Eiff, B. Keller, M. Brück, J. Etienne, G. Peters. Thermonuclease gene as a target for specific identification of Staphylococcus intermedius isolates: Use of a PCR-DNA enzyme immunoassay. Diagn Microbiol. Infect. Dis. 51 (4) 2005 237-244
  • F. Kipp, B.C. Kahl, K. Becker, E.J. Baron, R.A. Proctor, G. Peters, C. von Eiff. Evaluation of two chromogenic agar media for recovery and identification of Staphylococcus aureus small colony variants. J. Clin. Microbiol. 43 (4) 2005 1956-1959
  • B. Loddenkötter, K. Becker, C. Hohoff, B. Brinkmann, T. Bajanowski. Real-time quantitative PCR assay for the detection of Helicobacter pylori: no association with sudden infant death syndrome. Int. J. Legal Med. 119 (4) 2005 202-206
  • I. Mohammedi, C. Berchiche, K. Becker, K. Belkhouja, D. Robert, C. von Eiff, J. Etienne. Fatal Kytococcus schroeteri bacteremic pneumonia. J. Infect. 2005 51 (2) E11-E13
  • H. Seifert, D. Oltmanns, K. Becker, H. Wisplinghoff, C. von Eiff. Staphylococcus lugdunensis pacemaker-related infection. Emerg. Infect. Dis. 11 (8) 2005 1283-1286
  • C. von Eiff, A.W. Friedrich, K. Becker, G. Peters. Comparative in vitro Activity of Ceftobiprole against Staphylococci Displaying Normal and the Small-Colony Variant Phenotype. Antimicrob. Agents Chemother. 49 (10) 2005 4372-4374

2000 - 2004

  • C. von Eiff, G. Lubritz, C. Heese, G. Peters, K. Becker. Effect of trimethoprim-sulfamethoxazole prophylaxis in AIDS patients on the formation of the small colony variant phenotype of Staphylococcus aureus. Diagn. Microb. Infect. Dis. 48 (3) 2004 191 –194
  • F. Kipp, K. Becker, G. Peters, C. von Eiff. Evaluation of different methods to detect methicillin resistance in small-colony variants of Staphylococcus aureus. J. Clin. Microbiol. 42 (3) 2004 1277-1279
  • C. von Eiff, A.W. Friedrich, G. Peters, K. Becker. Prevalence of genes encoding for members of the staphylococcal leukotoxin family among clinical isolates of Staphylococcus aureus. Diagn. Microb. Infect. Dis. 49 (3) 2004 157 –162
  • T. Kuczius, A. Buschmann, W. Zhang, H. Karch, K. Becker, G. Peters,M. H. Groschup. Cellular prion protein acquires resistance to proteolytic degradation following copper ion binding. Biol. Chem. 385(8) 2004 739-747
  • K. Becker, D. Harmsen, A. Mellmann, C. Meier, P. Schumann, G. Peters, C. von Eiff. Development and evaluation of a quality-controlled ribosomal sequence database for 16S rDNA-based identification of Staphylococcus species. J. Clin. Microbiol. 42 (11) 2004 4988-4995
  • K. Becker, A. W. Friedrich, G. Peters, C. von Eiff. Systematic survey on the prevalence of genes coding for staphylococcal enterotoxins SElM, SElO, and SElN. Mol. Nutr. Food Res. 48 (7) 2004 488-495
  • K. Becker, A. W. Friedrich, G. Lubritz, M. Weilert, G. Peters, C. von Eiff. Prevalence of genes coding for pyrogenic toxin superantigens and exfoliative toxins in blood and nasal strains of Staphylococcus aureus. J. Clin. Microbiol. 41 (4) 2003 1434-1439
  • F. Kipp, W. Ziebuhr, K. Becker, V. Krimmer, N. Höß, G. Peters, C. von Eiff. Detection of Staphylococcus aureus by 16S rRNA directed in situ hybridisation in a patient with a brain abscess caused by small colony variants. J. Neurol. Neurosurg. Psychiatry 74 (7) 2003 1000-1002
  • F. Schmäl, W. Fegeler, H.J. Terpe, W. Hermann, W. Stoll, K. Becker. Bacteria and granulation tissue associated with Montgomery T-tubes. Laryngoscope 113 (8) 2003 1394-1400
  • A. Chowdhary, K. Becker, W. Fegeler, H.C. Gugnani, L. Kapoor, V.S. Randhawa, G. Mehta. An outbreak of candidemia due to Candida tropicalis in a neonatal intensive care unit. Mycoses 46 (8) 2003 269-274
  • H.C. Gugnani, K. Becker, W. Fegeler, S. Basu, D. Chattopadhya, U. Baveja, S. Satyanarayana, T. Kalghatgi, A. Murlidhar. Oropharyngeal carriage of Candida species in HIV-infected patients in India. Mycoses 46 (8) 2003 281-288
  • C. von Eiff, J.F. Kokai-Kun, K. Becker, G. Peters. In vitro activity of recombinant lysostaphin against Staphylococcus aureus isolates from anterior nares and blood. Antimicrob. Agents Chemother. 47 (11) 2003 3613-3615
  • K. Becker, J. Wüllenweber, H.-J. Odenthal, M. Moeller, P. Schumann, G. Peters, C. von Eiff. Prosthetic Valve Endocarditis Due to Kytococcus schroeteri. Emerg. Infect. Dis. 9 (11) 2003 1493-1495 (letter) 
  • B.C. Kahl, K. Becker, A.W. Friedrich, J. Clasen, B. Sinha, C. von Eiff, G. Peters. agr-dependent bacterial interference has no impact on long-term colonization of Staphylococcus aureus during persistent airway infection of cystic fibrosis patients. J. Clin. Microbiol. 41 (11) 2003 5199-5201
  • W. Förster, K. Becker, D. Hungermann, H. Busse. Methicillin-resistant Staphylococcus aureus keratitis after excimer laser photorefractive keratectomy. J. Cataract Refract. Surg. 28 (4) 2002 722-724
  • K. Becker, P. Schumann, J. Wüllenweber, M. Schulte, H.-P. Weil, E. Stackebrandt, G. Peters, C. von Eiff. Kytococcus schroeteri sp. nov., a novel Gram-positive actinobacterium isolated from a human clinical source. Int. J. Syst. Evol. Microbiol. 52 (5) 2002 1609-1614
  • D. Bettin, G. Schaphorn, S. Blasius, K. Becker, T. Niemeyer. A rare case of Salmonella osteomyelitis in the humerus as a differential diagnosis to a malignant bone tumor. Arch. Orthop. Trauma Surg. 122 (9/10) 2002 544-546
  • K. Becker, D. Badehorn, B. Keller, M. Schulte, K. H. Böhm, G. Peters, W. Fegeler. Isolation and characterization of a species-specific DNA fragment for identification of Candida (Torulopsis) glabrata by PCR. J. Clin. Microbiol. 39 (9) 2001 3356-3359
  • B. Dose, J. Köhring, K. Becker, J. Ritter, J.H. Brämswig, E. Harms. Viszerale Leishmaniose - nicht nur eine Tropenkrankheit. (Case report)Monatsschr. Kinderheilkd. 149 (10) 2001 1054-1058
  • M. Hussain, K. Becker, C. von Eiff, G. Peters, M. Herrmann. Analogs of Eap protein are conserved and prevalent in clinical Staphylococcus aureus isolates. Clin. Diagn. Lab. Immunol. 8(6) 2001 1271-1276
  • M. Hussain, K. Becker, C. von Eiff, J. Schrenzel, G. Peters, M. Herrmann. Identification and characterization of a novel 38.5-kilodalton cell surface protein of Staphylococcus aureus with extended-spectrum binding activity for extracellular matrix and plasma proteins. J. Bacteriol. 183 (23) 2001 6778-6786
  • K. Becker, B. Keller, C. von Eiff, M. Brück, G. Lubritz, J. Etienne, G. Peters. Enterotoxigenic potential of Staphylococcus intermedius. Appl. Environ. Microbiol. 67 (12) 2001 5551-5557
  • C. von Eiff, K. Becker, K. Machka, H. Stammer, G. Peters for the Study Group. Nasal carriage as a source of Staphylococcus aureus bacteremia. N. Engl. J. Med. 344 (1) 2001 11-16
  • C. von Eiff, K. Becker, D. Metze, G. Lubritz, J. Hockmann, T. Schwarz, G. Peters. Intracellular persistence of Staphylococcus aureus small-colony variants within keratinocytes: A cause for antibiotic treatment failure in a patient with Darier's disease. Clin. Infect. Dis. 32 (11) 2001 1643-1647
  • K. Becker, G. Haverkämper, C. von Eiff, R. Roth, G. Peters. Survey of staphylococcal enterotoxin genes, exfoliative toxin genes, and toxic shock syndrome toxin 1 gene in non-Staphylococcus aureus species. Eur. J. Clin. Microbiol. Infect. Dis. 20 (6) 2001 407-409
  • K. Becker, D. Badehorn, S. Deiwick, G. Peters, W. Fegeler. Molecular genotyping of Candida species with special respect to Candida (Torulopsis) glabrata strains by arbitrarily primed PCR. J. Med. Microbiol. 49 (6) 2000 575-581

bis 1999

  • P. Ellinghaus, D. Badehorn, R. Blümer, K. Becker, U. Seedorf. Increased efficiency of arbitrarily primed PCR by prolonged ramp times. Biotechniques 26 (4) 1999 626-630
  • J. Denecke, K. Becker, H. Jürgens, R. Gross, J.E.A. Wolff. Falsification of tetrazolium dye (MTT) based cytotoxicity assay results due to Mycoplasma contamination of cell cultures. Anticancer Res. 19 (2A) 1999 1245-1248
  • K. Becker, C. Ortmann, T. Bajanowski, B. Brinkmann, G. Peters. Use of polymerase chain reaction for postmortem diagnosis of malaria. Diagn. Mol. Pathol. 8 (4) 1999 211-215
  • B. Kahl, M. Herrmann, A. Schulze Everding, H.G. Koch, K. Becker, E. Harms, R.A. Proctor, G. Peters. Persistent infection with small colony variant strains of Staphylococcus aureus in patients with cystic fibrosis. J. Infect. Dis. 177 (4) 1998 1023-1029
  • K. Becker, R. Roth, G. Peters. Rapid and Specific Detection of Toxigenic Staphylococcus aureus: Use of Two Multiplex PCR enzyme immunoassays for amplification and hybridization of staphylococcal enterotoxin Genes, exfoliative toxin genes, and toxic shock syndrome toxin 1 gene. J. Clin. Microbiol. 36 (9) 1998 2548-2553
  • W.A. Müller, G. Koch, K. Becker, E. Philipp, A. Wohlfahrt. Die Erfassung von zirkulierendem Toxoplasma-Antigen durch monoklonale Antikörper.Mitt. Österr. Ges. Tropenmed. Parasitol. 13 1991 165-176
  • W.A. Müller, G. Koch, K. Becker. Tierexperimentelle Untersuchungen zum Nachweis von zirkulierendem Toxoplasma-Antigen. Angew. Parasitologie 32 (2) 1991 93-98
  • W.A. Müller, A. Wohlfahrt, G. Koch, H. Lauf, K. Becker, H.-L. Borkhardt. Nachweis von zirkulierendem Toxoplasma-Antigen in Patientenseren mit monoklonalen Antikörpern in einem Enzymimmunassay. Z. Klin. Med. 44 1989 1943-1946
  • W.A. Müller, K. Becker, A. Schäfer, G. Koch, H.-L. Borkhardt. Die Gewinnung von Hybridzellen, die monoklonale Antikörper gegen Toxoplasma gondii produzieren. Angew. Parasitol. 29 (1) 1988 11-17

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