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 Sep;48(9):3570-2. doi: 10.1128/AAC.48.9.3570-3572.2004.
Fluoroquinolone-resistant isolates of Haemophilus influenzae, obtained from a long-term care facility, were examined for nucleotide sequence differences in the quinolone-resistance-determining regions of gyrA, gyrB, parC, and parE. Similarities among the resistant isolates, plus multiple differences with susceptible isolates, suggest clonal dissemination involving two resistant subclones.
从一家长期护理机构获得的耐氟喹诺酮流感嗜血杆菌分离株,对其gyrA、gyrB、parC和parE喹诺酮耐药决定区的核苷酸序列差异进行了检测。耐药分离株之间的相似性,加上与敏感分离株的多处差异,提示存在涉及两个耐药亚克隆的克隆传播。