TABLE 2.

Differentiating physiological characteristics^a

Parameter	Physiological characteristics of straina:
	1	2	3	4	5	6	7	8	9	10	11	12	13
Reference	This study	This study	11	23	23	54	17	20, 61, 62	20, 62	34, 35	55	43, 63	27, 63
Type of flagellation	Polar	Polar	Subpolar or peritrichous	Subpolar or peritrichous	Subpolar or peritrichous	Polar	Nonmotile	Polar or subpolar	ND	ND	ND	ND	Subpolar or peritrichous
Incubation time at 28°C in YMA or TSA	12-24 h	12-24 h	12-24 h	12-24 h	12-24 h	12-24 h	12-24 h	4-7 days	6-10 days	3-5 days	4-5 days	2-3 days	1-2 days
Growth at 40°C	w	w	v	+	+	ND	ND	−	−	+	+	−	+
Growth at pH 10	+	+	ND	−	−	ND	ND	−	−	+	−	−	−
Growth in 2% NaCl	+	+	ND	ND	ND	ND	ND	−	−	+	+	−	+
β-Galactosidase	−	−	−	−	−	−	−	−	−c	−	−	+	+
Urease	+	+	+	−	+	+	ND	ND	ND	ND	ND	+	+
Nitrate reduction	−	−	+	+	+	+	ND	+	ND	ND	ND	ND	+
Arginine dehydrolase	−	−	ND	−	−	−	ND	ND	ND	ND	ND	ND	−f
Esculin	+	+	−	+b	−	v	−	v	−	ND	ND	ND	+f
Assimilation of:
l-Arabinose	+	+	+	+	−	−	+	+	+	+	+	+	+f
Adipate	−	+	v	−	−	−	−	ND	ND	ND	ND	ND	+f
Citrate (24h)	+	+	−	−	−	+	−	v	v	ND	ND	−e	Vh
Phenyl-acetate	+	−	−	−	−	−	−	ND	ND	ND	ND	ND	−f
N-Acetylglucosamine	+	+	+	−b	+	+b	−	ND	ND	+	+	ND	+f
d-Mannose	+	+	+	+	−	v	+	+	+	+	+	+	+f,g
Maltose	+	+	+	−	+	−	−	+	−	+	+	+g	+
Rhamnose	+	+	+	+	+	−b	−	+	v	+	+	ND	ND
Mannitol	+	+	+	−	+c	−	ND	+	v	+	+	+	+
d-Turanose	−	−	+	+	+	ND	ND	+	v	+	+	ND	ND
Melibiose	+	+	−	+	−	−	−	v	−	+	+	ND	ND
d-Arabitol	−	−	+	+	+	ND	ND	+	v	+	+	+i	vi
Antibiotic resistance
Chloramphenicol	S-I	S-I	R	S-I	I	R	ND	I	I	R	S	Sj	Rk
Polymyxin B (300 IU)	R	R	S	R	S	v	ND	Rd	ND	R	S	Sg	Rf,g
G+C content (mol%)	56.8	57	56-59	58	59	57-59	ND	61-65	60-64	63-64	63-64	59-64	59-64

^aStrains: 1, O. lupini LUP21^T (LMG 22726^T); 2, O. lupini LUP23 (LMG 22727); 3, O. anthropi; 4, O. grignonense; 5, O. tritici; 6, O. intermedium; 7, O. gallinifaecis; 8, B. japonicum; 9, B. liaoningense; 10, M. ciceri; 11, M. mediterraneum; 12, Rhizobium etli; 13, R. tropici. +, Positive; −, negative; v, variable; w, weak; ND, no data; S, sensitive; R, resistant; I, intermediate.

^bKämpfer et al. (17).

^cThis study.

^dYao et al. (62).

^eAmarger et al. (2) and Wei et al. (59).

^fZurdo-Piñeiro et al. (64).

^gvan Berkum et al. (49).

^hAmarger et al. (2).

ⁱWei et al. (59).

^jSegovia et al. (43) and Wei et al. (54).

^kMartinez-Romero et al. (27) and Wei et al. (59).

^lVincent (56).