TABLE 1.

General feature of B. diazoefficiens 113-2 and five other rhizobia genomes.

	B. diazoefficiens 113-2	B. diazoefficiens USDA110	M. huakuii 7653R	M. japonicum MAFF303099	S. fredii USDA205	S. meliloti 2011
Growth rate	Slow	Slow	Medium slow	Medium slow	Fast	Fast
Host plant	Soybean	Soybean	A.sinicus	Lotus	Soybean	Medicago and Trigonella
Number of chromosomes/plasmids/contigs in genome	1	1	3	3	255 contigs	3
Genomic size(bp)	8995154	9105828	6881675	7596297	7152020	6693185
Genomic (G + C)%	64.1	64.1	63.3	62.51	62.2	62.16
Gene numbers in genome	8,801	8,502	6,301	7,107	6,909	6,315
tRNA in genome	50	53	51	52	51	55
rRNA in genome	3	3	4	6	15	9
Other RNA	41sRNA	4	4	4	4	4