期刊
JOURNAL OF BACTERIOLOGY
卷 191, 期 21, 页码 6773-6777出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.00832-09
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- Natural Sciences and Engineering Research Council of Canada
A multidrug efflux pump, SrpABC, plays a key role in Pseudomonas putida S12 tolerance to toxic organic solvents. SrpRS are putative regulators of the SrpABC efflux pump encoded upstream of the srpABC structural genes, and previous studies suggest that SrpS is a repressor of SrpABC expression. An S12 isolate able to withstand extreme solvent stress carries a novel insertion sequence, ISPpu21, interrupting srpS. This insertion preadapts S12 to extreme solvent conditions through constitutive SrpABC expression.
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