Novotna Gabriela, Adamkova Václava, Janata Jiri, Melter Oto, Spizek Jaroslav
Institute of Microbiology, Academy of Sciences of the Czech Republic, Videnska 1083, Prague 14220, Czechoslovakia.
Antimicrob Agents Chemother. 2005 Aug;49(8):3586-9. doi: 10.1128/AAC.49.8.3586-3589.2005.
High occurrence of the non-macrolide-lincosamide-streptogramin B resistance genes msrA (53%) and linA/linA' (30%) was found among 98 methicillin-resistant coagulase-negative staphylococci additionally resistant to macrolides and/or lincosamides. The gene msrA predominated in Staphylococcus haemolyticus (43 of 62 isolates). In Staphylococcus epidermidis, it was present in 7 of 27 isolates. A novel mechanism of resistance to lincosamides appears to be present in 10 genetically related isolates of S. haemolyticus in the absence of ermA, ermC, msrA, and linA/linA'.
在98株对大环内酯类和/或林可酰胺类耐药的耐甲氧西林凝固酶阴性葡萄球菌中,发现非大环内酯 - 林可酰胺 - 链阳菌素B耐药基因msrA(53%)和linA/linA'(30%)的高发生率。msrA基因在溶血葡萄球菌中占主导地位(62株分离株中的43株)。在表皮葡萄球菌中,27株分离株中有7株存在该基因。在10株基因相关的溶血葡萄球菌分离株中,在不存在ermA、ermC、msrA和linA/linA'的情况下,似乎存在一种新的对林可酰胺类的耐药机制。