نتایج جستجو برای: polymyxins
تعداد نتایج: 1612 فیلتر نتایج به سال:
Acinetobacter baumannii is a major cause of nosocomial infection worldwide. We report the draft genome sequence of A. baumannii AC12, a multidrug-resistant nosocomial strain with additional resistance to carbapenems and polymyxin. The genome data will provide insights into the genetic basis of antimicrobial resistance and its adaptive mechanism.
An egg-enriched medium made selective by the addition of Polymyxin B and Mycostatin, for the isolation of N. gonorrhoeae was described by Chacko and Nair (1966). The evaluation of this medium has since been extended to further cases ofN.gonorrhoeae and also to N. meningitidis. The results indicate the usefulness of the Chacko-Nair medium, not only in the diagnosis of gonorrhoea, but also in the...
New Delhi metallo-β-lactamase-1 (NDM-1), an acquired class B carbapenemase, is a significant clinical threat due to its extended hydrolysis of β-lactams including carbapenems. In this study, we identified the first confirmed clinical isolate of Escherichia coli BJ01 harboring bla(NDM-1) in China. The isolate is highly resistant to all tested antimicrobials except polymyxin. bla(NDM-1), bla(CTX-...
The PhoP/PhoQ two-component system of Salmonella typhimurium governs transcription of some 25 loci in response to the extracellular concentration of Mg2+. We have now identified one of these loci as pmrCAB, which codes for a two-component system that mediates resistance to the antibiotic polymyxin B. Transcription of seven of 25 PhoP-activated loci was dependent on a functional PmrA protein, th...
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