期刊
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
卷 47, 期 4, 页码 1460-1463出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AAC.47.4.1460-1463.2003
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资金
- NIAID NIH HHS [R37 AI 35705, R37 AI035705] Funding Source: Medline
The presence and nucleotide sequences of the two mecA repressors, mecI and blaI, were assessed in 73 clinical Staphylococcus aureus isolates. Isolates with mecI mutations were grouped into unique clonal types based on their spa nucleotide repeat patterns. Forty-three of the 45 (96%) isolates with mutant mecI or with a deletion of mecI contained blaI, while blaI was present in only 21 of 28 (78%) isolates with wild-type mecI (P < 0.05). Among 22 additional isolates that did not contain blaI, all had wild-type mecI sequences. We conclude that oxacillin-resistant S. aureus must have at least one of the two functional mecA regulators.
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