A Resistance-Nodulation-Cell Division Family Xenobiotic Efflux Pump in an Obligate Anaerobe, Porphyromonas gingivalis
A Resistance-Nodulation-Cell Division Family Xenobiotic Efflux Pump in an Obligate Anaerobe, Porphyromonas gingivalis
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专性厌氧菌牙龈卟啉单胞菌中的抗性结节细胞分裂家族异生物质流出泵
DOI:
10.1128/aac.46.10.3257-3260.2002
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发表时间:
2002
影响因子:
4.9
通讯作者:
F. Yoshimura
中科院分区:
文献类型:
--
作者:
T. Ikeda;F. Yoshimura
ABSTRACT Porphyromonas gingivalis, a gram-negative obligate anaerobe, contains two homologs of an Escherichia coli resistance-nodulation-cell division-type multidrug exporter gene, acrB, in putative operons, together with homologs of membrane fusion protein gene acrA and outer membrane channel gene tolC. MIC determination and accumulation assays with mutants with disruptions of one or more genes showed that one cluster, named xepCAB, pumped out multiple agents including rifampin, puromycin, and ethidium bromide.