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Biochem Biophys Res Commun. 1996 May 24;222(3):774-9.

Cloning and sequencing of the gene for Na+/H+ antiporter of Vibrio parahaemolyticus.

Author information

1
Department of Microbiology, Faculty of Pharmaceutical Sciences, Okayama University, Japan.

Abstract

A gene encoding an Na+/H+ antiporter was cloned from vibrio parahaemolyticus into the plasmid pBR322 and expressed in Escherichia coli cells. The gene enabled mutant E. coli cells to grow in the presence of 0.2 M NaCl (or 10 mM LiCl). These cells were originally unable to grow under such conditions because of the lack of major Na+(Li+)/H+ antiporters. We detected Na+/H+ antiporter activity due to the gene in membrane vesicles. The gene was sequenced and the deduced amino acid sequence was found to be 72% identical to the NhaB Na+/H+ antiporter of E. coli.

PMID:
8651921
DOI:
10.1006/bbrc.1996.0820
[Indexed for MEDLINE]

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