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Article

A phosphate transport system is required for symbiotic nitrogen fixation by Rhizobium meliloti.

Journal of bacteriology - 1 Aug 1996

Bardin S, Dan S, Osteras M, Finan T M

Abstract excerpt

The bacterium Rhizobium meliloti forms N2-fixing root nodules on alfalfa plants. The ndvF locus, located on the 1,700-kb pEXO megaplasmid of R. meliloti, is required for nodule invasion and N2 fixation. Here we report that ndvF contains four genes, phoCDET, which encode an ABC-type transport system for the uptake of Pi into the bacteria. The PhoC and PhoD proteins are homologous to the Escherichia coli...

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Identifiers

PMID: 8755882
DOI: 10.1128/jb.178.15.4540-4547.1996
PMCID: PMC178221

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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.

Related research

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A phosphate transport system is required for symbiotic nitrogen fixation by Rhizobium meliloti.PMID 8755882Read ↗

Regulation of phosphate assimilation in Rhizobium (Sinorhizobium) meliloti.Semantic proximity Read ↗

ndvF, a novel locus located on megaplasmid pRmeSU47b (pEXO) of Rhizobium meliloti, is required for normal nodule development.Semantic proximity Read ↗

Characterization of the Rhizobium (Sinorhizobium) meliloti high- and low-affinity phosphate uptake systems.Semantic proximity Read ↗

The pha gene cluster of Rhizobium meliloti involved in pH adaptation and symbiosis encodes a novel type of K+ efflux system.Semantic proximity Read ↗

The Bradyrhizobium japonicum phoB gene is required for phosphate-limited growth but not for symbiotic nitrogen fixation.Semantic proximity Read ↗

Symbiotic nitrogen fixation by a nifA deletion mutant of Rhizobium meliloti: the role of an unusual ntrC allele.Semantic proximity Read ↗

The Rhizobium meliloti PII protein, which controls bacterial nitrogen metabolism, affects alfalfa nodule development.Semantic proximity Read ↗

Involvement of the Escherichia coli phn (psiD) gene cluster in assimilation of phosphorus in the form of phosphonates, phosphite, Pi esters, and Pi.Semantic proximity Read ↗

Expression and regulation of phosphate stress inducible genes in Sinorhizobium meliloti.Semantic proximity Read ↗

Second site mutations specifically suppress the Fix- phenotype of Rhizobium meliloti ndvF mutations on alfalfa: identification of a conditional ndvF-dependent mucoid colony phenotype.Semantic proximity Read ↗

Genetic and biochemical characterization of a pathway for the degradation of 2-aminoethylphosphonate in Sinorhizobium meliloti 1021.Semantic proximity Read ↗

Acidic conditions permit effective nodulation of alfalfa by invasion-deficient Rhizobium meliloti exoD mutants.Semantic proximity Read ↗

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