ST8:USA300
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| Methicillin-resistant Staphylococcus aureus | ||||||||||||||||
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 Electron micrograph of MRSA
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| Binomial name | ||||||||||||||||
| Staphylococcus aureus Rosenbach 1884 |
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| "ST8:USA300" |
Species : Staphylococcus aureus, Strain : USA300, Type : Firmicutes Bacilli, Base Pairs : 2,872,769, Genes : 2,560, Reference : Lancet. 2006 Mar 4, 367(9512):731-9
ST8:USA300 is a strain of Community-Associated MRSA that has emerged as a particularly antibiotic resistant epidemic that is responsible for rapidly progressive, fatal diseases including necrotizing pneumonia, severe sepsis and necrotizing fasciitis.[1] The epidemiology of infections caused by MRSA is rapidly changing: in the past 10 years, infections caused by this organism have emerged in the community. The 2 MRSA clones in the United States most closely associated with community outbreaks, USA400 (MW2 strain, ST1 lineage) and USA300, often contain Panton-Valentine leukocidin (PVL) genes and, more frequently, have been associated with skin and soft tissue infections. Outbreaks of community-associated (CA)-MRSA infections have been reported in correctional facilities, among athletic teams, among military recruits, in newborn nurseries, and among active homosexual men. CA-MRSA infections now appear to be endemic in many urban regions and cause most MRSA infections.[2]
[edit] References
- ^ Boyle-Vavra S, Daum RS (2007). "Community-acquired methicillin-resistant Staphylococcus aureus: the role of Panton-Valentine leukocidin". Lab. Invest. 87 (1): 3–9. doi:. PMID 17146447.
- ^ Maree CL, Daum RS, Boyle-Vavra S, Matayoshi K, Miller LG (2007). "Community-associated methicillin-resistant Staphylococcus aureus isolates causing healthcare-associated infections". Emerging Infect. Dis. 13 (2): 236–42. PMID 17479885.
