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Halotolerant cyanobacterium Aphanothece halophytica contains a betaine transporter active at alkaline pH and high salinity.

Applied and environmental microbiology - 1 Sept 2006

Laloknam Surasak, Tanaka Kimihiro, Buaboocha Teerapong, Waditee Rungaroon, Incharoensakdi Aran, Hibino Takashi, Tanaka Yoshito, Takabe Teruhiro

Abstract excerpt

Aphanothece halophytica is a halotolerant alkaliphilic cyanobacterium which can grow in media of up to 3.0 M NaCl and pH 11. This cyanobacterium can synthesize betaine from glycine by three-step methylation using S-adenosylmethionine as a methyl donor. To unveil the mechanism of betaine uptake and efflux in this alkaliphile, we isolated and characterized a betaine transporter. A gene encoding a protein (BetT(A....

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Identifiers

PMID: 16957224
DOI: 10.1128/AEM.00733-06
PMCID: PMC1563673

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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