Rhizobium leguminosarum

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Rhizobium leguminosarum

Rhizobium is a genus of Gram-negative soil bacteria that fix nitrogen. Rhizobium forms an endosymbiotic nitrogen fixing association with roots of legumes.

Scientific classification
Kingdom Bacteria
Phylum Proteobacteria
Class Alphaproteobacteria
Order Rhizobiales
Family Rhizobiaceae
Genus Rhizobium
Species R. leguminosarum
Binomial Rhizobium leguminosarum


Surface Characteristics

The bacterial surface lipopolysaccharide (LPS) is composed of three parts: (1) lipid A, (2) core polysaccharide, and (3) O antigen. The lipid A region contains two glucosamine sugar derivatives, each with three fatty acids and phosphate or pyrophosphate attached. The core polysaccharide has KDO and attached to lipid A. The side chain O is small polysaccharide chain extending outward from the core, it has several peculiar sugars and varies in composition between bacterial strains.

References

Uniprot Link

PolysacDB

Wapedia