Article
An Mrp-like cluster in the halotolerant cyanobacterium Aphanothece halophytica functions as a Na+/H+ antiporter.
Applied and environmental microbiology - 1 Oct 2009
Fukaya Fuminori, Promden Worrawat, Hibino Takashi, Tanaka Yoshito, Nakamura Tatsunosuke, Takabe Teruhiro
Abstract excerpt
The mrp homolog gene cluster mrpCD1D2EFGAB (Ap-mrp) was found in a halotolerant cyanobacterium, Aphanothece halophytica, amplified, and expressed in Escherichia coli mutant TO114. Ap-mrp complemented the salt-sensitive phenotype of TO114 and exhibited Na(+)/H(+) and Li(+)/H(+) exchange activities, indicating that Ap-Mrp functions as a Na(+)/H(+) antiporter.
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