HNP-3 Enhanced the Antimicrobial Activity of CIP by Promoting ATP Efflux from P. Aeruginosa Cells

Overview

Journal Mol Biol Rep

Specialty Molecular Biology

Date 2010 Nov 26

PMID 21107732

Citations 4

Authors

Hao Wang

Birong Dong

Li Lou

Affiliations

Soon will be listed here.

Abstract

To establish a novel strategy of P. aeruginosa control, we acquired recombination HNP-3 by gene recombination. Then we examined HNP-3 bio-activities and the influences of antimicrobial peptide on the efflux of ATP. Consequently, we obtained target protein with a molecular mass of 3,000 D consistent with the Anticipation. FIC index of Ciprofloxacin added HNP-3 was less than 0.5 and HNP3 synergistically cooperated with CIP to suppress P. aeruginosa colony formation revealed that there was significant synergy. ATP efflux was however up-regulated by low concentrations of HNP-3, although CIP did not exert any influence on ATP efflux. Conclusively, recombination protein HNP-3 displayed antimicrobial and synergic effects. HNP-3 enhanced the antimicrobial activity of CIP by promoting ATP efflux from P. aeruginosa cells and decreasing efflux of the drugs, which could have useful clinical applications.

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