Sinorhizobium fredii

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Current revision

Sinorhizobium fredii

Sinorhizobium fredii USDA257 forms nitrogen-fixing nodules on soybean (Glycine max [L.] Merr.) in a cultivar-specific manner. This strain forms nodules on primitive soybean cultivars but fails to nodulate agronomically improved North American cultivars.

Scientific classification

Kingdom	Bacteria
Phylum	Proteobacteria
Class	Alphaproteobacteria
Order	Rhizobiales
Family	Rhizobiaceae
Genus	Sinorhizobium
Species	S. fredii
Binomial	Sinorhizobium fredii

[edit] Surface Characteristics

Surface of Sinorhizobium fredii USDA205 has two forms of LPS: rough LPS (R-LPS), which consists of a lipid A membrane anchor and conserved core oligosaccharides, and smooth LPS (S-LPS), which includes the O-antigen (or O-polysaccharide).

[edit] Ecological Importance

Sinorhizobium fredii USDA257 is a fast-growing rhizobium that forms nitrogen-fixing nodules on Glycine max, Glycine soja, Neonotonia wightii, Phaseolus vulgaris, and several other legumes.

[edit] References

PolysacDB

Reference