Li Xinying, Mariano Noriel, Rahal James J, Urban Carl M, Drlica Karl
Public Health Research Institute, 225 Warren St., Newark, NJ 07103, USA.
Antimicrob Agents Chemother. 2004 Nov;48(11):4460-2. doi: 10.1128/AAC.48.11.4460-4462.2004.
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.
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。