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Cited by 57Antimicrobial Resistance in StaphylococcusBacterial Genetics and BiotechnologyAntibiotic Resistance in Bacteria

The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.

Novel Mobile Variants of Staphylococcal Cassette Chromosome mec in Staphylococcus aureus

Open access

Abstract

Staphylococcus aureus staphylococcal cassette chromosome mec type IV (SSC mec IV) is associated with virulent community-acquired methicillin-resistant Staphylococcus aureus (MRSA) and frequent horizontal transfer among staphylococci. To gain insight into the mechanism of transfer, we studied the ccrA/B type 2 recombinase-mediated excision of SCC mec IV ( n = 5 strains) and SCC mec II ( n = 2). In SCC mec IV- but not SCC mec II-containing strains, spontaneous excision of the cassette was observed. Introduction of ccrA/B type 2 recombinase genes under control of an S. aureus bacterial phage promoter in the different strains yielded excision of SCC mec II and multiple excision variants of SCC mec IV. Sequencing of the alternatively excised products in SCC mec IV strains identified a 100-bp shortened SCC mec ′ variant and a 5,877-bp, conserved SCC-like element that lacks mecA and ccrA/B recombinases. Excision of the SCC-like element in wild-type S. aureus was dependent on the presence of SCC mec . The element could be excised separately or as part of a novel composite cassette together with SCC mec . The relative abundance of and variety in SCC mec IV excisions may contribute to the frequency of horizontal transfer and genetic plasticity in SCC mec IV MRSA strains.

Overview

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Registry

Crossref · 10.1128/aac.01539-05

Cites

17 of 17 references verified0 citation errors · 0 not checkable

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Citations

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Metadata

Authors
Jansen, W. T. M., Beitsma, M. M., Koeman, C. J., van Wamel, W. J. B., Verhoef, J., & Fluit, A. C.
Affiliations
University Medical Center Utrecht (NL)
Corresponding author
Jansen, W. T. M.
Venue
Antimicrobial Agents and Chemotherapy
Published
2006-06
Volume
50
Issue
6
Pages
2072-2078
ISSN
  • 0066-4804 (ISSN-L)
  • 1098-6596
OpenAlex
W2106492667
Cited by
57
References
17
Citations by year
2026: 3 · 2024: 2 · 2023: 5 · 2022: 2 · 2021: 1 · 2020: 4 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 3 · 2013: 5 · 2012: 2
FWCI
2.27
Type
journal article
Language
en
Open access
Licence
journals.asm.org/non-commercial-tdm-license (tdm)
Locations
  • Antimicrobial Agents and Chemotherapy (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antimicrobial Resistance in Staphylococcus
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Health Sciences › Medicine › Microbiology (medical) › Antibiotic Resistance in Bacteria
Keywords
staphylococcal cassette chromosome mec, Staphylococcus aureus, methicillin-resistant Staphylococcus aureus, horizontal gene transfer, mecA gene, mobile genetic elements, genome plasticity, community-acquired MRSA
MeSH terms
Anti-Bacterial Agents, Chromosomes, Bacterial, Genes, Bacterial, Methicillin, Models, Genetic, Staphylococcal Infections, Staphylococcus aureus, Genetic Variation, Methicillin Resistance, Gene Transfer, Horizontal, Recombinases

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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

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Data sources

Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.