Mutations in fusA associated with posttherapy fusidic acid resistance in Clostridium difficile

被引:15
作者
Noren, T. [1 ]
Akerlund, T.
Wullt, M.
Burman, L. G.
Unemo, M.
机构
[1] Univ Orebro Hosp, Dept Infect Dis, SE-70185 Orebro, Sweden
[2] Univ Orebro Hosp, Dept Clin Microbiol, SE-70185 Orebro, Sweden
[3] Dept Clin Sci, Malmo, Sweden
[4] Lund Univ, S-22100 Lund, Sweden
[5] Swedish Inst Infect Dis Control, Solna, Sweden
关键词
D O I
10.1128/AAC.01283-06
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
In silico, we identified fusA (2,067 bp) in Clostridium difficile 630. Sequencing of fusA in posttherapy fusidic acid-resistant C. difficile isolates from 12 patients with C. difficile-associated diarrhea (CDAD) identified fusA mutations, one or two nonsynonymous substitutions, or in one case a deletion of one codon associated with resistance. Five of these mutations have previously been described in fusA of fusidic acid-resistant Staphylococcus aureus, but seven were novel fusA mutations. Fusidic acid monotherapy for CDAD seemed to rapidly select conserved resistant mutants.
引用
收藏
页码:1840 / 1843
页数:4
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