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Article

Biochemical characterization of avirulent exoC mutants of Agrobacterium tumefaciens.

Journal of bacteriology - 1 Mar 1990

Uttaro A D, Cangelosi G A, Geremia R A, Nester E W, Ugalde R A

Abstract excerpt

The synthesis of periplasmic beta(1-2)glucan is required for crown gall tumor formation by Agrobacterium tumefaciens and for effective nodulation of alfalfa by Rhizobium meliloti. The exoC (pscA) gene is required for this synthesis by both bacteria as well as for the synthesis of capsular polysaccharide and normal lipopolysaccharide. We tested the possibility that the pleiotropic ExoC phenotype is due to a defect...

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Identifiers

PMID: 2307661
DOI: 10.1128/jb.172.3.1640-1646.1990
PMCID: PMC208643

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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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Biochemical characterization of avirulent exoC mutants of Agrobacterium tumefaciens.PMID 2307661Read ↗

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Agrobacterium tumefaciens exoR controls acid response genes and impacts exopolysaccharide synthesis, horizontal gene transfer, and virulence gene expression.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 ↗

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Genetic analyses of Rhizobium meliloti exopolysaccharides.Semantic proximity Read ↗

The exoD gene of Rhizobium meliloti encodes a novel function needed for alfalfa nodule invasion.Semantic proximity Read ↗

The succinoglycan endoglycanase encoded by exoK is required for efficient symbiosis of Sinorhizobium meliloti 1021 with the host plants Medicago truncatula and Medicago sativa (Alfalfa).Semantic proximity Read ↗

Expression of the exoY gene, required for exopolysaccharide synthesis in Agrobacterium, is activated by the regulatory ros gene.Semantic proximity Read ↗

Suppression of the ndv mutant phenotype of Rhizobium meliloti by cloned exo genes.Semantic proximity Read ↗

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