Species code:	RHIL3
Taxonomy:	Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium (TaxID: 216596) [NEWT/ NCBI]
Description:	Rhizobium leguminosarum is a widely studied alpha-proteobacterial N2-fixing legume symbiont of legumes. It has three biovars - viciae, trifolii, phaseoli - that differ in their host specificity. Biovar viciae (sequenced here) nodulates legumes in the Tribe Viciae - Vicia, Pisum, Lathyrus, Lens. The host-specificity genes are carried on large plasmids that also carry the genes for nitrogen fixation. R. leguminosarum biovar viciae strain 3841 has been widely used in laboratory studies over the past 20 years. It is a spontaneous streptomycin-resistant mutant of strain 300. It has a circular chromosome and 6 circular plasmids, ranging in size from approximately 140 to 870 kb. One of these plasmids (pRL10) carries the genes for nodulation and nitrogen fixation, but the function of the great majority of the plasmid-borne genes is unknown at present. All strains of R. leguminosarum have several large plasmids, but the number and sizes of plasmids varies among strains. This large number of plasmids distinguishes R. leguminosarum from the other rhizobia for which complete genome sequences have been determined.
Properties:	Presence of flagella: not known Interaction: Plant symbiont Number of membranes: 2 Number of inteins:0
Statistics:	Number of RHIL3 entries in the UniProt Knowledgebase: 7109 (382 in UniProtKB/Swiss-Prot + 6727 in UniProtKB/TrEMBL)

Genome structure:	• Chromosome EMBL accession number AM236080 (circular; 5,057,142 bp) (download entry) (download Genome Reviews). • Plasmid pRL7 EMBL accession number AM236081 (circular; 151,564 bp) (download entry) (download Genome Reviews). • Plasmid pRL8 EMBL accession number AM236082 (circular; 147,463 bp) (download entry) (download Genome Reviews). • Plasmid pRL9 EMBL accession number AM236083 (circular; 352,782 bp) (download entry) (download Genome Reviews). • Plasmid pRL10 EMBL accession number AM236084 (circular; 488,135 bp) (download entry) (download Genome Reviews). • Plasmid pRL11 EMBL accession number AM236085 (circular; 684,202 bp) (download entry) (download Genome Reviews). • Plasmid pRL12 EMBL accession number AM236086 (circular; 870,021 bp) (download entry) (download Genome Reviews).
Reference(s):	[1] PubMed=16640791; [ NCBI , EBI , Israel , Japan ] Young J.P.W., Crossman L.C., Johnston A.W.B., Thomson N.R., Ghazoui Z.F., Hull K.H., Wexler M., Curson A.R.J., Todd J.D., Poole P.S., Mauchline T.H., East A.K., Quail M.A., Churcher C., Arrowsmith C., Cherevach I., Chillingworth T., Clarke K., Cronin A., Davis P., Fraser A., Hance Z., Hauser H., Jagels K., Moule S., Mungall K., Norbertczak H., Rabbinowitsch E., Sanders M., Simmonds M., Whitehead S., Parkhill J. ; "The genome of Rhizobium leguminosarum has recognizable core and accessory components."; Genome Biol. 7:RESEARCH34.1-RESEARCH34.20(2006).
Web links:	Official genome site(s): http://www.sanger.ac.uk/Projects/R_leguminosarum/ Other web sites: CBS: http://www.cbs.dtu.dk/services/GenomeAtlas/show-genus.php?KLSO=ASC&KLSK=ORGANISMSORT&kingdom=Bacteria&GLgenus=Rhizobium&GLSHWPLA=on&GLSHWMERG=on&GLspecies=leguminosarum&GLsupStrain=viciae3841 Entrez Genome Project: http://www.ncbi.nlm.nih.gov/sites/entrez?Db=genomeprj&Cmd=DetailsSearch&Term=txid216596%5Borgn%5D GIB (DDBJ): http://gib.genes.nig.ac.jp/single/index.php?spid=Rleg_3841 PEDANT: http://pedant.gsf.de:3345/pedant3htmlview/pedant3view?Method=start_method&Db=p3_p344_Rhi_legum RhizoDB: http://xbase.bham.ac.uk/rhizodb/genome.pl?id=1260  EBI Proteome Analysis page

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