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Article

The pha2 gene cluster involved in Na+ resistance and adaption to alkaline pH in Sinorhizobium fredii RT19 encodes a monovalent cation/proton antiporter.

FEMS microbiology letters - 1 Sept 2006

Yang Lifu, Jiang Juquan, Wei Wei, Zhang Bo, Wang Lei, Yang Susheng

Abstract excerpt

Sinorhizobium fredii RT19 can tolerate up to 0.6 M NaCl, whereas all its pha2-disrupted mutants, constructed by Tn5 mutagenesis, failed to grow in even the presence of 0.1 M NaCl. No growth difference was detected in pha2 mutants at a pH<7.5 in the presence or absence of K+, but growth reduction was observed in the presence of K+ when pH>7.5. The pha2 gene cluster was able to completely restore the growth of the...

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PMID: 16923072
DOI: 10.1111/j.1574-6968.2006.00385.x

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

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