Table 2.

Summary statistics of the fourteen genomes of Rhizobiales.

Rhizobiales species	Species Code	No. of Plasmids	Total Genome Length (nucleotides)	Protein Coding Genes	tRNA genes	Pseudo genes	GC Content (%)	Proportion of Genome that is Gene Coding (%)	Host (Scientific/common name)
Azorhizobium caulinodans ORS 571	azc	0	5,369,772	4717	63	-	67	89	Sesbania rostrata (sesbania)
Bradyrhizobium japonicum USDA 110	bja	0	9,105,828	8317	56	-	64	86	Glycine max (soybean)
Bradyrhizobium sp. BTAi1	bbt	1	8,493,513	7621	70	90	64	85	Aeschynomene indica (Indian joint-vetch)
Bradyrhizobium sp. ORS 278	bra	0	7,456,587	6717	66	35	65	85	Aeschynomene sensitiva (sensitive joint-vetch)
Mesorhizobium loti MAFF303099	mlo	2	7,596,297	7272	57	-	62	86	Lotus sp., including Lotus japonicas (trifoils, vetches)
Mesorhizobium sp. BNC1	mes	3	4,935,185	4543	68	40	61	89	non-symbiotic
Rhizobium etli CFN 42	ret	6	6,530,228	5963	59	32	61	86	Phaseolus vulgaris (common bean)
Rhizobium etli CIAT 652	rec	3	6,448,048	6056	60	15	61	86	Phaseolus vulgaris (common bean)
Rhizobium leguminosarum bv. trifolii WSM1325	rlg	5	7,418,122	7001	63	75	61	86	Trifolli pratense and other Mediterraneum Trifollium (clovers),
Rhizobium leguminosarum bv. trifolii WSM2304	rlt	4	6,872,702	6415	65	45	61	86	Trifolium polymorphum from Uruguay (clover)
Rhizobium leguminosarum bv. viciae 3841	rle	6	7,751,309	7143	61	37	61	86	Tribe Viciae –Vicia, Pisum, Lathyrus, Lens (vetchs, peas, lathyrus, lentils)
Sinorhizobium fredii NGR 234	rhi	2	6,891,900	6363	70	-	63	87	112 legume species and the non-legume Parasponia (family Ulmaceae)
Sinorhizobium medicae WSM419	smd	3	6,817,576	6213	63	43	61	87	Medicago spp.
Sinorhizobium meliloti 1021	sme	2	6,691,694	6218	66	4	62	86	Medicago, Melilotus, Trigonella (alfalfa)