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Article

A LuxR homolog controls production of symbiotically active extracellular polysaccharide II by Sinorhizobium meliloti.

Journal of bacteriology - 1 Sept 2002

Pellock Brett J, Teplitski Max, Boinay Ryan P, Bauer W Dietz, Walker Graham C

Abstract excerpt

Production of complex extracellular polysaccharides (EPSs) by the nitrogen-fixing soil bacterium Sinorhizobium meliloti is required for efficient invasion of root nodules on the host plant alfalfa. Any one of three S. meliloti polysaccharides, succinoglycan, EPS II, or K antigen, can mediate infection thread initiation and extension (root nodule invasion) on alfalfa. Of these three polysaccharides, the only...

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Identifiers

PMID: 12193623
DOI: 10.1128/JB.184.18.5067-5076.2002
PMCID: PMC135333

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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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A LuxR homolog controls production of symbiotically active extracellular polysaccharide II by Sinorhizobium meliloti.PMID 12193623Read ↗

Novel Genes and Regulators That Influence Production of Cell Surface Exopolysaccharides in Sinorhizobium meliloti.Semantic proximity Read ↗

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Rhizobium meliloti exoG and exoJ mutations affect the exoX-exoY system for modulation of exopolysaccharide production.Semantic proximity Read ↗

A protease and a lipoprotein jointly modulate the conserved ExoR-ExoS-ChvI signaling pathway critical in <i>Sinorhizobium meliloti</i> for symbiosis with legume hostsSemantic proximity Read ↗

Family of glycosyl transferases needed for the synthesis of succinoglycan by Rhizobium meliloti.Semantic proximity Read ↗

Genetic analyses of Rhizobium meliloti exopolysaccharides.Semantic proximity Read ↗

Specific oligosaccharide form of the Rhizobium meliloti exopolysaccharide promotes nodule invasion in alfalfa.Semantic proximity Read ↗

The novel genes emmABC are associated with exopolysaccharide production, motility, stress adaptation, and symbiosis in Sinorhizobium meliloti.Semantic proximity Read ↗

The Rhizobium meliloti exoK gene and prsD/prsE/exsH genes are components of independent degradative pathways which contribute to production of low-molecular-weight succinoglycan.Semantic proximity Read ↗

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The exoR gene of Rhizobium meliloti affects RNA levels of other exo genes but lacks homology to known transcriptional regulators.Semantic proximity Read ↗

Multiple genetic controls on Rhizobium meliloti syrA, a regulator of exopolysaccharide abundance.Semantic proximity Read ↗

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