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Nasal Colonization of Humans with Occupational Exposure to Raw Meat and to Raw Meat Products with Methicillin-Susceptible and Methicillin-Resistant Staphylococcus aureus.

Cuny C, Layer F, Hansen S, Werner G, Witte W.

Toxins (Basel). 2019 Mar 30;11(4). pii: E190. doi: 10.3390/toxins11040190.


European external quality assessments for identification, molecular typing and characterization of Staphylococcus aureus.

Deplano A, Dodémont M, Denis O, Westh H, Gumpert H, Larsen AR, Larsen J, Kearns A, Pichon B, Layer F, Schulte B, Wolz C, Spiliopoulou I, Brennan G, Empel J, Hryniewicz W, de Lencastre H, Faria NA, Codita I, Sabat AJ, Friedrich AW, Deurenberg RH, Tristan A, Laurent F, Vandenesch F.

J Antimicrob Chemother. 2018 Oct 1;73(10):2662-2666. doi: 10.1093/jac/dky260.


Emergence and control of linezolid-resistant Staphylococcus epidermidis in an ICU of a German hospital.

Weßels C, Strommenger B, Klare I, Bender J, Messler S, Mattner F, Krakau M, Werner G, Layer F.

J Antimicrob Chemother. 2018 May 1;73(5):1185-1193. doi: 10.1093/jac/dky010.


Dissemination of linezolid-dependent, linezolid-resistant Staphylococcus epidermidis clinical isolates belonging to CC5 in German hospitals.

Layer F, Vourli S, Karavasilis V, Strommenger B, Dafopoulou K, Tsakris A, Werner G, Pournaras S.

J Antimicrob Chemother. 2018 May 1;73(5):1181-1184. doi: 10.1093/jac/dkx524.


Pyoderma outbreak among kindergarten families: Association with a Panton-Valentine leukocidin (PVL)-producing S. aureus strain.

Leistner R, Kola A, Gastmeier P, Krüger R, Hoppe PA, Schneider-Burrus S, Zuschneid I, Wischnewski N, Bender J, Layer F, Niebank M, Scheibenbogen C, Hanitsch LG.

PLoS One. 2017 Dec 19;12(12):e0189961. doi: 10.1371/journal.pone.0189961. eCollection 2017.


Comparison of Different Phenotypic Approaches To Screen and Detect mecC-Harboring Methicillin-Resistant Staphylococcus aureus.

Kriegeskorte A, Idelevich EA, Schlattmann A, Layer F, Strommenger B, Denis O, Paterson GK, Holmes MA, Werner G, Becker K.

J Clin Microbiol. 2017 Dec 26;56(1). pii: e00826-17. doi: 10.1128/JCM.00826-17. Print 2018 Jan.


Comparative evaluation of VITEK® 2 and three commercial gradient strip assays for daptomycin susceptibility testing of Staphylococcus aureus.

Weber RE, Layer F, Klare I, Werner G, Strommenger B.

J Antimicrob Chemother. 2017 Nov 1;72(11):3059-3062. doi: 10.1093/jac/dkx255.


Relatedness of wildlife and livestock avian isolates of the nosocomial pathogen Acinetobacter baumannii to lineages spread in hospitals worldwide.

Wilharm G, Skiebe E, Higgins PG, Poppel MT, Blaschke U, Leser S, Heider C, Heindorf M, Brauner P, Jäckel U, Böhland K, Cuny C, Łopińska A, Kaminski P, Kasprzak M, Bochenski M, Ciebiera O, Tobółka M, Żołnierowicz KM, Siekiera J, Seifert H, Gagné S, Salcedo SP, Kaatz M, Layer F, Bender JK, Fuchs S, Semmler T, Pfeifer Y, Jerzak L.

Environ Microbiol. 2017 Oct;19(10):4349-4364. doi: 10.1111/1462-2920.13931. Epub 2017 Oct 9.


Staphylococcal Scalded Skin Syndrome Caused by a Rare Variant of Exfoliative-toxin-A+ S. aureus in an Adult Immunocompromised Woman.

Saluzzo S, Layer F, Stingl G, Stary G.

Acta Derm Venereol. 2018 Jan 12;98(1):138-139. doi: 10.2340/00015555-2778. No abstract available.


Prevalence, clonality, and pathogenicity of Staphylococcus epidermidis isolates in newborn feces.

Fill Malfertheiner S, Wendt S, Layer F, Weigl M, Seelbach-Göbel B, König W, König B.

Eur J Clin Microbiol Infect Dis. 2017 Oct;36(10):1955-1964. doi: 10.1007/s10096-017-3019-3. Epub 2017 May 30.


Complete Genome Sequences of Two Methicillin-Sensitive Staphylococcus aureus Isolates Representing a Population Subset Highly Prevalent in Human Colonization.

Weber RE, Layer F, Fuchs S, Bender JK, Fiedler S, Werner G, Strommenger B.

Genome Announc. 2016 Jul 28;4(4). pii: e00716-16. doi: 10.1128/genomeA.00716-16.


Epidemiology of Staphylococcus aureus Nasal Carriage Patterns in the Community.

Mehraj J, Witte W, Akmatov MK, Layer F, Werner G, Krause G.

Curr Top Microbiol Immunol. 2016;398:55-87. doi: 10.1007/82_2016_497. Review.


Recovery of a 10-year-old girl from methicillin-resistant Staphylococcus aureus sepsis in response to low-dose ceftaroline treatment.

Borgmann S, Rieß B, von Wernitz-Keibel T, Bühler M, Layer F, Strommenger B.

Ther Clin Risk Manag. 2016 May 11;12:749-53. doi: 10.2147/TCRM.S99987. eCollection 2016.


Methicillin-resistant Staphylococcus aureus from infections in horses in Germany are frequent colonizers of veterinarians but rare among MRSA from infections in humans.

Cuny C, Abdelbary MMH, Köck R, Layer F, Scheidemann W, Werner G, Witte W.

One Health. 2015 Dec 12;2:11-17. doi: 10.1016/j.onehlt.2015.11.004. eCollection 2016 Dec.


A Novel Staphylococcal Cassette Chromosome mec Type XI Primer for Detection of mecC-Harboring Methicillin-Resistant Staphylococcus aureus Directly from Screening Specimens.

Petersdorf S, Herma M, Rosenblatt M, Layer F, Henrich B.

J Clin Microbiol. 2015 Dec;53(12):3938-41. doi: 10.1128/JCM.02328-15. Epub 2015 Oct 14.


Evaluation of DiversiLab®, MLST and PFGE typing for discriminating clinical Enterococcus faecium isolates.

Werner G, Fleige C, Neumann B, Bender JK, Layer F, Klare I.

J Microbiol Methods. 2015 Nov;118:81-4. doi: 10.1016/j.mimet.2015.08.019. Epub 2015 Sep 1.


Antimicrobial efficacy of preoperative skin antisepsis and clonal relationship to postantiseptic skin-and-wound flora in patients undergoing clean orthopedic surgery.

Daeschlein G, Napp M, Layer F, von Podewils S, Haase H, Spitzmueller R, Assadian O, Kasch R, Werner G, Jünger M, Hinz P, Ekkernkamp A.

Eur J Clin Microbiol Infect Dis. 2015 Nov;34(11):2265-73. doi: 10.1007/s10096-015-2478-7. Epub 2015 Sep 4.


Molecular typing of toxic shock syndrome toxin-1- and Enterotoxin A-producing methicillin-sensitive Staphylococcus aureus isolates from an outbreak in a neonatal intensive care unit.

Layer F, Sanchini A, Strommenger B, Cuny C, Breier AC, Proquitté H, Bührer C, Schenkel K, Bätzing-Feigenbaum J, Greutelaers B, Nübel U, Gastmeier P, Eckmanns T, Werner G.

Int J Med Microbiol. 2015 Oct;305(7):790-8. doi: 10.1016/j.ijmm.2015.08.033. Epub 2015 Aug 22.


Prevalence of MRSA and Gram-negative bacteria with ESBLs and carbapenemases in patients from Northern Africa at a German hospital.

Leistner R, Denkel LA, Gastmeier P, Werner G, Layer F, Pfeifer Y.

J Antimicrob Chemother. 2015 Nov;70(11):3161-4. doi: 10.1093/jac/dkv219. Epub 2015 Jul 27. No abstract available.


Pre-Use Susceptibility to Ceftaroline in Clinical Staphylococcus aureus Isolates from Germany: Is There a Non-Susceptible Pool to be Selected?

Strommenger B, Layer F, Klare I, Werner G.

PLoS One. 2015 May 8;10(5):e0125864. doi: 10.1371/journal.pone.0125864. eCollection 2015.


Prevalence of the immune evasion gene cluster in Staphylococcus aureus CC398.

Cuny C, Abdelbary M, Layer F, Werner G, Witte W.

Vet Microbiol. 2015 May 15;177(1-2):219-23. doi: 10.1016/j.vetmic.2015.02.031. Epub 2015 Mar 6.


Linezolid resistance in clinical isolates of Staphylococcus epidermidis from German hospitals and characterization of two cfr-carrying plasmids.

Bender J, Strommenger B, Steglich M, Zimmermann O, Fenner I, Lensing C, Dagwadordsch U, Kekulé AS, Werner G, Layer F.

J Antimicrob Chemother. 2015;70(6):1630-8. doi: 10.1093/jac/dkv025. Epub 2015 Mar 3.


State-wide surveillance of antibiotic resistance patterns and spa types of methicillin-resistant Staphylococcus aureus from blood cultures in North Rhine-Westphalia, 2011-2013.

Cuny C, Layer F, Werner G, Harmsen D, Daniels-Haardt I, Jurke A, Mellmann A, Witte W, Köck R.

Clin Microbiol Infect. 2015 Aug;21(8):750-7. doi: 10.1016/j.cmi.2015.02.013. Epub 2015 Feb 20.


Staphylococcus aureus spa type t437: identification of the most dominant community-associated clone from Asia across Europe.

Glasner C, Pluister G, Westh H, Arends JP, Empel J, Giles E, Laurent F, Layer F, Marstein L, Matussek A, Mellmann A, Pérez-Vásquez M, Ungvári E, Yan X, Žemličková H, Grundmann H, van Dijl JM.

Clin Microbiol Infect. 2015 Feb;21(2):163.e1-8. doi: 10.1016/j.cmi.2014.09.010. Epub 2014 Oct 29.


Methicillin-sensitive and methicillin-resistant Staphylococcus aureus nasal carriage in a random sample of non-hospitalized adult population in northern Germany.

Mehraj J, Akmatov MK, Strömpl J, Gatzemeier A, Layer F, Werner G, Pieper DH, Medina E, Witte W, Pessler F, Krause G.

PLoS One. 2014 Sep 24;9(9):e107937. doi: 10.1371/journal.pone.0107937. eCollection 2014.


Inguinal skin colonization with multidrug-resistant bacteria among residents of elderly care facilities: frequency, persistence, molecular analysis and clinical impact.

Ruscher C, Pfeifer Y, Layer F, Schaumann R, Levin K, Mielke M.

Int J Med Microbiol. 2014 Nov;304(8):1123-34. doi: 10.1016/j.ijmm.2014.08.006. Epub 2014 Aug 18.


Staphylococcus aureus food-poisoning outbreak associated with the consumption of ice-cream.

Fetsch A, Contzen M, Hartelt K, Kleiser A, Maassen S, Rau J, Kraushaar B, Layer F, Strommenger B.

Int J Food Microbiol. 2014 Sep 18;187:1-6. doi: 10.1016/j.ijfoodmicro.2014.06.017. Epub 2014 Jun 28.


Emergence of trimethoprim resistance gene dfrG in Staphylococcus aureus causing human infection and colonization in sub-Saharan Africa and its import to Europe.

Nurjadi D, Olalekan AO, Layer F, Shittu AO, Alabi A, Ghebremedhin B, Schaumburg F, Hofmann-Eifler J, Van Genderen PJ, Caumes E, Fleck R, Mockenhaupt FP, Herrmann M, Kern WV, Abdulla S, Grobusch MP, Kremsner PG, Wolz C, Zanger P.

J Antimicrob Chemother. 2014 Sep;69(9):2361-8. doi: 10.1093/jac/dku174. Epub 2014 May 22.


Insufficient discriminatory power of MALDI-TOF mass spectrometry for typing of Enterococcus faecium and Staphylococcus aureus isolates.

Lasch P, Fleige C, Stämmler M, Layer F, Nübel U, Witte W, Werner G.

J Microbiol Methods. 2014 May;100:58-69. doi: 10.1016/j.mimet.2014.02.015. Epub 2014 Mar 12.


Antibiotic susceptibility and molecular epidemiology of Panton-Valentine leukocidin-positive meticillin-resistant Staphylococcus aureus: An international survey.

Macedo-Viñas M, Conly J, Francois P, Aschbacher R, Blanc DS, Coombs G, Daikos G, Dhawan B, Empel J, Etienne J, Figueiredo AM, George Golding Cnisp, Han L, Kim HB, Köck R, Larsen A, Layer F, Lo J, Maeda T, Mulvey M, Pantosti A, Saga T, Schrenzel J, Simor A, Skov R, Van Rijen M, Wang H, Zakaria Z, Harbarth S.

J Glob Antimicrob Resist. 2014 Mar;2(1):43-47. doi: 10.1016/j.jgar.2013.08.003. Epub 2013 Sep 3.


Phylogenetic analysis of Staphylococcus aureus CC398 reveals a sub-lineage epidemiologically associated with infections in horses.

Abdelbary MM, Wittenberg A, Cuny C, Layer F, Kurt K, Wieler LH, Walther B, Skov R, Larsen J, Hasman H, Fitzgerald JR, Smith TC, Wagenaar JA, Pantosti A, Hallin M, Struelens MJ, Edwards G, Böse R, Nübel U, Witte W.

PLoS One. 2014 Feb 4;9(2):e88083. doi: 10.1371/journal.pone.0088083. eCollection 2014.


Methicillin susceptible Staphylococcus aureus (MSSA) of clonal complex CC398, t571 from infections in humans are still rare in Germany.

Cuny C, Layer F, Köck R, Werner G, Witte W.

PLoS One. 2013 Dec 18;8(12):e83165. doi: 10.1371/journal.pone.0083165. eCollection 2013.


Evolution of methicillin-resistant Staphylococcus aureus towards increasing resistance.

Strommenger B, Bartels MD, Kurt K, Layer F, Rohde SM, Boye K, Westh H, Witte W, De Lencastre H, Nübel U.

J Antimicrob Chemother. 2014 Mar;69(3):616-22. doi: 10.1093/jac/dkt413. Epub 2013 Oct 22.


Subpopulations of Staphylococcus aureus clonal complex 121 are associated with distinct clinical entities.

Kurt K, Rasigade JP, Laurent F, Goering RV, Žemličková H, Machova I, Struelens MJ, Zautner AE, Holtfreter S, Bröker B, Ritchie S, Reaksmey S, Limmathurotsakul D, Peacock SJ, Cuny C, Layer F, Witte W, Nübel U.

PLoS One. 2013;8(3):e58155. doi: 10.1371/journal.pone.0058155. Epub 2013 Mar 7.


MRSA transmission on a neonatal intensive care unit: epidemiological and genome-based phylogenetic analyses.

Nübel U, Nachtnebel M, Falkenhorst G, Benzler J, Hecht J, Kube M, Bröcker F, Moelling K, Bührer C, Gastmeier P, Piening B, Behnke M, Dehnert M, Layer F, Witte W, Eckmanns T.

PLoS One. 2013;8(1):e54898. doi: 10.1371/journal.pone.0054898. Epub 2013 Jan 31.


A genomic portrait of the emergence, evolution, and global spread of a methicillin-resistant Staphylococcus aureus pandemic.

Holden MT, Hsu LY, Kurt K, Weinert LA, Mather AE, Harris SR, Strommenger B, Layer F, Witte W, de Lencastre H, Skov R, Westh H, Zemlicková H, Coombs G, Kearns AM, Hill RL, Edgeworth J, Gould I, Gant V, Cooke J, Edwards GF, McAdam PR, Templeton KE, McCann A, Zhou Z, Castillo-Ramírez S, Feil EJ, Hudson LO, Enright MC, Balloux F, Aanensen DM, Spratt BG, Fitzgerald JR, Parkhill J, Achtman M, Bentley SD, Nübel U.

Genome Res. 2013 Apr;23(4):653-64. doi: 10.1101/gr.147710.112. Epub 2013 Jan 8.


[Current data and trends on methicillin-resistant Staphylococcus aureus (MRSA)].

Layer F, Cuny C, Strommenger B, Werner G, Witte W.

Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2012 Nov;55(11-12):1377-86. doi: 10.1007/s00103-012-1560-x. German.


Single-nucleotide polymorphism genotyping identifies a locally endemic clone of methicillin-resistant Staphylococcus aureus.

Nübel U, Nitsche A, Layer F, Strommenger B, Witte W.

PLoS One. 2012;7(3):e32698. doi: 10.1371/journal.pone.0032698. Epub 2012 Mar 9.


From types to trees: reconstructing the spatial spread of Staphylococcus aureus based on DNA variation.

Nübel U, Strommenger B, Layer F, Witte W.

Int J Med Microbiol. 2011 Dec;301(8):614-8. doi: 10.1016/j.ijmm.2011.09.007. Epub 2011 Oct 8. Review.


Rare occurrence of methicillin-resistant Staphylococcus aureus CC130 with a novel mecA homologue in humans in Germany.

Cuny C, Layer F, Strommenger B, Witte W.

PLoS One. 2011;6(9):e24360. doi: 10.1371/journal.pone.0024360. Epub 2011 Sep 8.


Comparison of Staphylococcus aureus isolates associated with food intoxication with isolates from human nasal carriers and human infections.

Wattinger L, Stephan R, Layer F, Johler S.

Eur J Clin Microbiol Infect Dis. 2012 Apr;31(4):455-64. doi: 10.1007/s10096-011-1330-y. Epub 2011 Jul 15.


Antibiotic resistance and molecular epidemiology of Staphylococcus aureus in Nigeria.

Shittu AO, Okon K, Adesida S, Oyedara O, Witte W, Strommenger B, Layer F, Nübel U.

BMC Microbiol. 2011 May 5;11:92. doi: 10.1186/1471-2180-11-92.


Cases of community-acquired meticillin-resistant Staphylococcus aureus in an asylum seekers centre in Germany, November 2010.

Dudareva S, Barth A, Paeth K, Krenz-Weinreich A, Layer F, Delere Y, Eckmanns T.

Euro Surveill. 2011 Jan 27;16(4). pii: 19777. Erratum in: Euro Surveill. 2011;16(6): pii=19787.


Emergence of methicillin-resistant Staphylococcus aureus (MRSA) in different animal species.

Cuny C, Friedrich A, Kozytska S, Layer F, Nübel U, Ohlsen K, Strommenger B, Walther B, Wieler L, Witte W.

Int J Med Microbiol. 2010 Feb;300(2-3):109-17. doi: 10.1016/j.ijmm.2009.11.002. Epub 2009 Dec 16. Review.


Nasal colonization of humans with methicillin-resistant Staphylococcus aureus (MRSA) CC398 with and without exposure to pigs.

Cuny C, Nathaus R, Layer F, Strommenger B, Altmann D, Witte W.

PLoS One. 2009 Aug 27;4(8):e6800. doi: 10.1371/journal.pone.0006800.


Emergence of a community-associated methicillin-resistant Staphylococcus aureus strain with a unique resistance profile in Southwest Nigeria.

Ghebremedhin B, Olugbosi MO, Raji AM, Layer F, Bakare RA, König B, König W.

J Clin Microbiol. 2009 Sep;47(9):2975-80. doi: 10.1128/JCM.00648-09. Epub 2009 Jul 1.


Extended-spectrum Beta-lactamase detection with different panels for automated susceptibility testing and with a chromogenic medium.

Färber J, Moder KA, Layer F, Tammer I, König W, König B.

J Clin Microbiol. 2008 Nov;46(11):3721-7. doi: 10.1128/JCM.00777-08. Epub 2008 Sep 24. Erratum in: J Clin Microbiol.2009 Jan;47(1):285.


Genetic classification and distinguishing of Staphylococcus species based on different partial gap, 16S rRNA, hsp60, rpoB, sodA, and tuf gene sequences.

Ghebremedhin B, Layer F, König W, König B.

J Clin Microbiol. 2008 Mar;46(3):1019-25. doi: 10.1128/JCM.02058-07. Epub 2008 Jan 3.


Rapid screening of clarithromycin resistance in Helicobacter pylori by pyrosequencing.

Moder KA, Layer F, König W, König B.

J Med Microbiol. 2007 Oct;56(Pt 10):1370-6.


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