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Article

Properties of two different Na+/H+ antiport systems in alkaliphilic Bacillus sp. strain C-125.

Journal of bacteriology - 1 Nov 1994

Kitada M, Hashimoto M, Kudo T, Horikoshi K

Abstract excerpt

Na+/H+ antiport was studied in alkaliphilic Bacillus sp. strain C-125, its alkali-sensitive mutant 38154, and a transformant (pALK2) with recovered alkaliphily. The transformed was able to maintain an intracellular pH (pHin) that was lower than that of external milieu and contained an electrogenic Na+/H+ antiporter driven only by delta psi (membrane potential, interior negative). The activity of this delta...

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Identifiers

PMID: 7961397
DOI: 10.1128/jb.176.21.6464-6469.1994
PMCID: PMC196999

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