Broader distribution of plasmid-mediated quinolone resistance in the United States

被引:78
作者
Robicsek, A
Sahm, DF
Strahilevitz, J
Jacoby, GA
Hooper, DC
机构
[1] Massachusetts Gen Hosp, Div Infect Dis, Boston, MA 02114 USA
[2] Focus Technol, Herndon, VA USA
[3] Lahey Clin Fdn, Burlington, MA USA
关键词
D O I
10.1128/AAC.49.7.3001-3003.2005
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The plasmid-encoded quinolone resistance gene qnrA confers low-level quinolone resistance, facilitating selection of higher-level resistance. Epidemiologic surveys for qnrA were extended to isolates of Enterobacter spp. and to quinolone-susceptible Enterobacteriaceae. Two (10%) of 20 ceftazidime-resistant quinolone-susceptible Klebsiella pneumoniae strains carried the gene, as did 12 (17%) of 71 ceftazidime-resistant Enterobacter strains from across the United States. One of these Enterobacter isolates was quinolone susceptible. Thus, qnrA is present in quinolone-resistant and quinolone-susceptible Enterobacter and Klebsiella strains in the United States.
引用
收藏
页码:3001 / 3003
页数:3
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