Cited by 182Antimicrobial Resistance in StaphylococcusAntibiotic Resistance in BacteriaAntibiotic Use and Resistance

Transferable Vancomycin Resistance in a Community-Associated MRSA Lineage

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Rossi, Flávia, Diaz, Lorena, Wollam, Aye, Panesso, Diana, Zhou, Yanjiao, Rincon, Sandra, Narechania, Apurva, Xing, Galen +13 more·2014·New England Journal of Medicine

Abstract

We report the case of a patient from Brazil with a bloodstream infection caused by a strain of methicillin-resistant Staphylococcus aureus (MRSA) that was susceptible to vancomycin (designated BR-VSSA) but that acquired the vanA gene cluster during antibiotic therapy and became resistant to vancomycin (designated BR-VRSA). Both strains belong to the sequence type (ST) 8 community-associated genetic lineage that carries the staphylococcal chromosomal cassette mec (SCCmec) type IVa and the S. aureus protein A gene (spa) type t292 and are phylogenetically related to MRSA lineage USA300. A conjugative plasmid of 55,706 bp (pBRZ01) carrying the vanA cluster was identified and readily transferred to other staphylococci. The pBRZ01 plasmid harbors DNA sequences that are typical of the plasmid-associated replication genes rep24 or rep21 described in community-associated MRSA strains from Australia (pWBG745). The presence and dissemination of community-associated MRSA containing vanA could become a serious public health concern.

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  • A recent report described the vanA gene cluster harbored in a highly transferable staphylococcal plasmid originally identified in community-associated S. aureus isolates, in a bloodstream MRSA isolate from a Brazilian patient, with transfer to a methicillin-susceptible isolate within the same patient documented.

    “Indeed, a recent report described such phenomenon where the vanA gene cluster was harbored in a highly transferable staphylococcal plasmid originally identified in community-associated S. aureus isolates. The isolate was found in a bloodstream isolate of MRSA recovered from a Brazilian patient (80) and transfer to a methicillin-susceptible isolate within the same patient was also documented.”

    From Mechanisms of Antibiotic Resistance (2016) · cites this paper as [80]

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Authors
Rossi, F., Diaz, L., Wollam, A., Panesso, D., Zhou, Y., Rincon, S., Narechania, A., Xing, G., Di Gioia, T. S. R., Doi, A., Tran, T. T., Reyes, J., Munita, J. M., Carvajal, L. P., Hernandez-Roldan, A., Brandão, D., van der Heijden, I. M., Murray, B. E., Planet, P. J., Weinstock, G. M., & Arias, C. A.
Affiliations
  • Universidad del Desarrollo (CL)
  • Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (BR)
Venue
New England Journal of Medicine
Published
2014-04-17
Volume
370
Issue
16
Pages
1524-1531
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2091265623
Cited by
182
References
26
Citations by year
2026: 5 · 2025: 6 · 2024: 12 · 2023: 11 · 2022: 13 · 2021: 16 · 2020: 11 · 2019: 21 · 2018: 12 · 2017: 10 · 2016: 11 · 2015: 28 · 2014: 23 · 2013: 1
FWCI
16.87
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion)
Funders
  • National Institutes of Health
  • National Human Genome Research Institute (U54HG003079, U54HG004968)
  • National Institute of Allergy and Infectious Diseases (R01AI093749, K08AI101005)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antimicrobial Resistance in Staphylococcus
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Antibiotic Resistance in Bacteria
  • Life Sciences › Immunology and Microbiology › Applied Microbiology and Biotechnology › Antibiotic Use and Resistance
Keywords
vancomycin resistance, methicillin-resistant Staphylococcus aureus, community-acquired MRSA, conjugative plasmids, plasmid transfer, bloodstream infection, USA300, plasmid replication genes, antimicrobial resistance dissemination
MeSH terms
Adult, Brazil, Multigene Family, Humans, Male, Microbial Sensitivity Tests, Mycosis Fungoides, Plasmids, Bacteremia, Genome, Bacterial, Sequence Analysis, DNA, Vancomycin Resistance, Gene Transfer, Horizontal, Methicillin-Resistant Staphylococcus aureus

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