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耐喹诺酮类流感嗜血杆菌:环丙沙星、加替沙星、左氧氟沙星和莫西沙星突变选择窗的测定

Quinolone-resistant Haemophilus influenzae: determination of mutant selection window for ciprofloxacin, garenoxacin, levofloxacin, and moxifloxacin.

作者信息

Li Xinying, Mariano Noriel, Rahal James J, Urban Carl M, Drlica Karl

机构信息

Public Health Research Institute, 225 Warren St., Newark, NJ 07103, USA.

出版信息

Antimicrob Agents Chemother. 2004 Nov;48(11):4460-2. doi: 10.1128/AAC.48.11.4460-4462.2004.

Abstract

Stepwise selection of ciprofloxacin-resistant Haemophilus influenzae mutants produced first-, second-, third-, and fourth-step substitutions in GyrA (S84Y), ParC (S84R), GyrA (D88N), and ParC (E88K), respectively. Successive mutations raised the mutant selection window. The wild-type selection window for garenoxacin, levofloxacin, and moxifloxacin was also measured.

摘要

逐步筛选对环丙沙星耐药的流感嗜血杆菌突变体,分别在GyrA(S84Y)、ParC(S84R)、GyrA(D88N)和ParC(E88K)中产生了第一步、第二步、第三步和第四步替换。连续的突变提高了突变体选择窗口。还测定了加替沙星、左氧氟沙星和莫西沙星的野生型选择窗口。

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