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Rhizobium
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Alphaproteobacteria
Order: Rhizobiales
Family: Rhizobiaceae
Genus: Rhizobium
Frank 1889
Type species
Rhizobium leguminosarum
Species

R. cellulosilyticum
R. daejeonense
R. etli
R. galegae
R. gallicum
R. giardinii
R. hainanense
R. huakuii
R. huautlense
R. indigoferae
R. larrymoorei
R. leguminosarum

R. l. bv. phaseoli
R. l. bv. trifolii
R. l. bv. viciae

R. loessense
R. lupini
R. lusitanum
R. mediterraneum
R. mongolense
R. phaseoli
R. radiobacter
R. rhizogenes
R. rubi
R. sullae
R. tainshanense
R. tropici
R. undicola
R. vitis
R. yanglingense

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

The bacteria colonize plant cells within root nodules; here the bacteria converts atmospheric nitrogen to ammonia and then provides organic nitrogenous compounds such as glutamine or ureides to the plant. The plant provides the bacteria organic compounds made by photosynthesis.[1]

References

  1. ^ Sawada H, Kuykendall LD, Young JM (2003). "Changing concepts in the systematics of bacterial nitrogen-fixing legume symbionts". J. Gen. Appl. Microbiol. 49 (3): 155–79. doi:10.2323/jgam.49.155. PMID 12949698.  

External links


Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Taxonavigation

Main Page
Superregnum: Bacteria
Regnum: Bacteria
Phylum: Proteobacteria
Classis: Alpha Proteobacteria
Ordo: Rhizobiales
Familia: Rhizobiaceae
Genus: Rhizobium
Species: Rhizobium etli - Rhizobium galegae - Rhizobium gallicum - Rhizobium giardinii - Rhizobium hainanense -Rhizobium huautlense - Rhizobium indigoferae - Rhizobium leguminosarum - Rhizobium loessense - Rhizobium mongolense - Rhizobium sullae - Rhizobium tropici - Rhizobium undicola - Rhizobium yanglingense - Rhizobium meliloti


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