Rhizobium leguminosarum

Rhizobium leguminosarum is a bacterium which lives in a mutualistic symbiotic relationship with legumes, and has the ability to fix free nitrogen from the air.[1] R. leguminosarum has been very thoroughly studied—it has been the subject of more than a thousand publications.[1]

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

Morphology

Rhizobium leguminosarum is a Gram-negative, motile, rod-shaped, aerobic bacterium.[2]

Common biovars

R. leguminosarum biovar trifolii, and R. leguminosarum biovar viciae are the most commonly studied biovars of R. leguminosarum, with certain studies seemingly treating R. trifolii as its own species.[3]

Uses

Research has been carried out into the role that R. leguminosarum could play in promoting growth of canola and lettuce.[4]

References
  1. Young, J Peter W; Crossman, Lisa C; Johnston, Andrew WB; Thomson, Nicholas R; Ghazoui, Zara F; Hull, Katherine H; Wexler, Margaret; Curson, Andrew RJ; Todd, Jonathan D; Poole, Philip S; Mauchline, Tim H; East, Alison K; Quail, Michael A; Churcher, Carol; Arrowsmith, Claire; Cherevach, Inna; Chillingworth, Tracey; Clarke, Kay; Cronin, Ann; Davis, Paul; Fraser, Audrey; Hance, Zahra; Hauser, Heidi; Jagels, Kay; Moule, Sharon; Mungall, Karen; Norbertczak, Halina; Rabbinowitsch, Ester; Sanders, Mandy; Simmonds, Mark; Whitehead, Sally; Parkhill, Julian (2006). "The genome of Rhizobium leguminosarum has recognizable core and accessory components". Genome Biology. 7 (4): R34. doi:10.1186/gb-2006-7-4-r34. PMC 1557990. PMID 16640791.
  2. "Rhizobium leguminosarum". Biology Online Dictionary. Retrieved 8 December 2015.
  3. An, JH; Kim, YS (15 October 1998). "A gene cluster encoding malonyl-CoA decarboxylase (MatA), malonyl-CoA synthetase (MatB) and a putative dicarboxylate carrier protein (MatC) in Rhizobium trifolii--cloning, sequencing, and expression of the enzymes in Escherichia coli". European Journal of Biochemistry / FEBS. 257 (2): 395–402. doi:10.1046/j.1432-1327.1998.2570395.x. PMID 9826185.
  4. Noel, TC; Sheng, C; Yost, CK; Pharis, RP; Hynes, MF (March 1996). "Rhizobium leguminosarum as a plant growth-promoting rhizobacterium: direct growth promotion of canola and lettuce". Canadian Journal of Microbiology. 42 (3): 279–83. doi:10.1139/m96-040. PMID 8868235.



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