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Article

Structure and role in symbiosis of the exoB gene of Rhizobium leguminosarum bv trifolii.

Molecular & general genetics : MGG - 1 Jun 1997

Sánchez-Andújar B, Coronado C, Philip-Hollingsworth S, Dazzo F B, Palomares A J

Abstract excerpt

The Rhizobium leguminosarum bv trifolii exoB gene has been isolated by heterologous complementation of an exoB mutant of R. meliloti. We have cloned a chromosomal DNA fragment from the R. leguminosarum bv trifolii genome that contains an open reading frame of 981 bp showing 80% identity at the am...

Topics

Carbohydrate Sequence
Cloning, Molecular
Fabaceae
Genes, Bacterial
Molecular Sequence Data
Mutation
Plants, Medicinal
Polysaccharides, Bacterial
Restriction Mapping
Rhizobium leguminosarum
Sequence Homology, Nucleic Acid

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Sinorhizobium meliloti

Symbiosis

UDPglucose 4-Epimerase

Source

Identifiers

PMID: 9236769
DOI: 10.1007/s004380050481

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 30 Aug 2026. Prepared record publication-9236769-2026-08-30.1. Manifest publication-graph-cohort-2026-08-30.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 30 Aug 2026.

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Structure and role in symbiosis of the exoB gene of Rhizobium leguminosarum bv trifolii.PMID 9236769Read ↗

Homology of genes for exopolysaccharide synthesis in Rhizobium leguminosarum and effect of cloned exo genes on nodule formation.Semantic proximity Read ↗

The region for exopolysaccharide synthesis in Rhizobium leguminosarum biovar trifolii is located on the non-symbiotic plasmid.Semantic proximity Read ↗

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Mutation in the pssA gene involved in exopolysaccharide synthesis leads to several physiological and symbiotic defects in Rhizobium leguminosarum bv. trifolii.Semantic proximity Read ↗

Rhizobium leguminosarum exoB mutants are deficient in the synthesis of UDP-glucose 4'-epimerase.Semantic proximity Read ↗

PssJ Is a Terminal Galactosyltransferase Involved in the Assembly of the Exopolysaccharide Subunit in Rhizobium Leguminosarum bv. Trifolii.Semantic proximity Read ↗

Structures of the lipopolysaccharides from Rhizobium leguminosarum RBL5523 and its UDP-glucose dehydrogenase mutant (exo5).Semantic proximity Read ↗

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PssO, a unique extracellular protein important for exopolysaccharide synthesis in Rhizobium leguminosarum bv. trifolii.Semantic proximity Read ↗

Exopolysaccharide Biosynthesis in Rhizobium leguminosarum bv. trifolii Requires a Complementary Function of Two Homologous Glycosyltransferases PssG and PssI.Semantic proximity Read ↗

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