Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Bacillaceae, Genus Bacillus, Bacillus aidingensis Xue, Ventosa, Wang,
Ren, Zhou and Ma 2008.
Description is based upon a single isolate.
Gram-positive, short, motile (peritrichous flagella) rods 0.2-0.4 x 1.3-2.5 µm. Produce
subterminal/central, ellipsoidal endospores.
Colonies are creamy white, slightly centre-convex, 4-5 mm in diameter Aerobic
growth, pH range 6-9.5. Growth temperature 22-44 ºC. Moderately halophilic, grow in
Isolated from a sediment sample from Lake Ai-Ding, a salt lake in Xin-Jiang Province, China.
Resistant to gentamicin, streptomycin, tobramycin, neomycin and polymyxin B.
- Xue Y., Ventosa A., Wang X., Ren P., Zhou P. and Ma Y., 2008. Bacillus aidingensis sp. nov., a moderately halophilic bacterium
isolated from Ai-Ding salt lake in China. IJSEM 58, 2828-2832.
Positive results for hydrolysis of esculin, hydrolysis of gelatin, catalase, H2S production,
nitrate reduction, Voges-Proskauer, acid production from: D-glucose, D-mannitol,
D-mannose, glycerol, cellobiose, fructose, galactose & trehalose.
Negative results for oxidase, hydrolysis of urea, hydrolysis of casein, hydrolysis of starch, hydrolysis of cellulose, methyl red,
hydrolysis of Tween 20, 40, 60 & 80, acid production from: L-arabinose, salicin, D-xylose, dulcitol, erythritol, inulin, lactose,
melezitose, melibiose, raffinose, sorbose & sucrose.
(c) Costin Stoica