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Sinorhizobium fredii HH103 does not strictly require KPS and/or EPS to nodulate Glycyrrhiza uralensis, an indeterminate nodule-forming legume.

Archives of microbiology - 1 Feb 2012

Margaret-Oliver Isabel, Lei Wang, Parada Maribel, Rodríguez-Carvajal Miguel A, Crespo-Rivas Juan C, Hidalgo Ángeles, Gil-Serrano Antonio, Moreno Javier, Rodríguez-Navarro Dulce N, Buendía-Clavería Ana, Ollero Javier, Ruiz-Sainz José E, Vinardell José M

Abstract excerpt

The Sinorhizobium fredii HH103 rkp-1 region, which is involved in capsular polysaccharide (KPS) biosynthesis, is constituted by the rkpU, rkpAGHIJ, and kpsF3 genes. Two mutants in this region affecting the rkpA (SVQ536) and rkpI (SVQ538) genes were constructed. Polyacrylamide gel electrophoresis and (1)H-NMR analyses did not detect KPS in these mutants. RT-PCR experiments indicated that,...

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PMID: 21761170
DOI: 10.1007/s00203-011-0729-2

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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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Sinorhizobium fredii HH103 does not strictly require KPS and/or EPS to nodulate Glycyrrhiza uralensis, an indeterminate nodule-forming legume.PMID 21761170Read ↗

Sinorhizobium fredii HH103 mutants affected in capsular polysaccharide (KPS) are impaired for nodulation with soybean and Cajanus cajan.Semantic proximity Read ↗

The rkpU gene of Sinorhizobium fredii HH103 is required for bacterial K-antigen polysaccharide production and for efficient nodulation with soybean but not with cowpea.Semantic proximity Read ↗

Sinorhizobium fredii HH103 cgs mutants are unable to nodulate determinate- and indeterminate nodule-forming legumes and overproduce an altered EPS.Semantic proximity Read ↗

Structure and biological roles of Sinorhizobium fredii HH103 exopolysaccharide.Semantic proximity Read ↗

Inactivation of the Sinorhizobium fredii HH103 rhcJ gene abolishes nodulation outer proteins (Nops) secretion and decreases the symbiotic capacity with soybean.Semantic proximity Read ↗

A pyrF auxotrophic mutant of Sinorhizobium fredii HH103 impaired in its symbiotic interactions with soybean and other legumes.Semantic proximity Read ↗

A purL mutant of Sinorhizobium fredii HH103 is symbiotically defective and altered in its lipopolysaccharide.Semantic proximity Read ↗

The Sinorhizobium fredii HH103 lipopolysaccharide is not only relevant at early soybean nodulation stages but also for symbiosome stability in mature nodules.Semantic proximity Read ↗

A nopA deletion mutant of Sinorhizobium fredii USDA257, a soybean symbiont, is impaired in nodulation.Semantic proximity Read ↗

The Sinorhizobium (Ensifer) fredii HH103 Nodulation Outer Protein NopI Is a Determinant for Efficient Nodulation of Soybean and Cowpea Plants.Semantic proximity Read ↗

Mutation in GDP-fucose synthesis genes of Sinorhizobium fredii alters Nod factors and significantly decreases competitiveness to nodulate soybeans.Semantic proximity Read ↗

Exopolysaccharide is detrimental for the symbiotic performance of Sinorhizobium fredii HH103 mutants with a truncated lipopolysaccharide core.Semantic proximity Read ↗

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