Table 1.

Differential characteristics of 1, Gracilibacillus phocaeensis strain Marseille-P3801 compared with other close bacteria of the genus Gracilibacillus: 2, G. timonensis strain Marseille-P2481 [6]; 3, G. massiliensis strain Marseille-P1441 [15]; 4, G. alcaliphilus strain SG103 [38]; 5, G. saliphilus strain YIM 91119 [39]; 6, G. orientalis strain XH-63 [40]; 7, G. halophilus strain YIM-C55.5 [13]

Property	1	2	3	4	5	6	7
Cell diameter (μm)	0.3–0.6	0.5–0.8	0.3–1.8	0.5–0.7	0.7–0.9	0.7–0.9	0.3–0.5
Pigmentation	Yellow	Creamy orange	White	Creamy white	Creamy white	Creamy	White
Oxygen requirement	Aerobic	Aerobic	Aerobic	Aerobic	Aerobic	Aerobic	Aerobic
Gram stain	+	+	+	+	+	+	+
Salt requirement	+	+	+	+	+	+	+
Motility	+	+	+	+	+	+	+
Sporulation	+	+	—	+	+	+	+
Indole	—	—	—	—	—	—	—
Production of:
Alkaline phosphate	—	—	—	—	+	NA	+
Catalase	+	+	+	+	+	+	+
Oxidase	+	—	—	—	+	—	+
Nitrate reductase	—	—	—	+	+	—	+
Urease	+	+	+	+	+	—	—
β-Galactosidase	+	+	—	NA	+	NA	+
α-Galactosidase	—	—	+	—	—	NA	—
N-Acetyl-glucosamine	—	—	—	+	+	NA	—
Acid from:
l-Arabinose	—	—	—	+	+	+	—
d-Mannose	—	—	—	—	+	—	—
d-Mannitol	—	—	—	+	+	+	+
d-Glucose	—	—	—	+	+	+	+
d-Fructose	—	—	—	+	+	+	+
d-Maltose	—	—	—	+	+	+	—
d-Lactose	—	—	—	+	+	+	—
DNA G + C content (mol%)	39.6	39.8	36.05	41.3	40.1	37.1	42.3
Habitat	Human gut	Human gut	Cooking salt	Fermentation liquor	Salt lake	Salt lake	Salt soil

+, positive result; −, negative result; NA, data not available.