| Alkalicoccus chagannorensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Alkalicoccus, Alkalicoccus
chagannorensis (Carrasco et al. 2007) Gupta et al. 2020.
Synonym: Bacillus chagannorensis Carrasco et al. 2007.
Species description is based on a single isolate.
chagannorensis (Carrasco et al. 2007) Gupta et al. 2020.
Synonym: Bacillus chagannorensis Carrasco et al. 2007.
Species description is based on a single isolate.
Gram-positive rods, 0.6-0.7 x 2.0-3.0 µm. Motile. Ellipsoidal endospores are produced
at a terminal position in swollen sporangia.
at a terminal position in swollen sporangia.
Colonies are circular and entire, 1 mm in diameter and yellow-orange in colour on
alkaline saline medium after 2 days cultivation at 37 ºC. Grows at 6-40 ºC (optimally at
37 ºC) and pH 5.8-11.0 (optimally at pH 8.5). Alkalitolerant and moderately halophilic,
growing over a wide range (3-20%, w/v) of salt concentrations, with optimal growth at
7% (w/v) salts. No growth occurs in the absence of NaCl. Facultatively anaerobic.
alkaline saline medium after 2 days cultivation at 37 ºC. Grows at 6-40 ºC (optimally at
37 ºC) and pH 5.8-11.0 (optimally at pH 8.5). Alkalitolerant and moderately halophilic,
growing over a wide range (3-20%, w/v) of salt concentrations, with optimal growth at
7% (w/v) salts. No growth occurs in the absence of NaCl. Facultatively anaerobic.
Isolated from from Lake Chagannor in Inner Mongolia, China. Sensitive to bacitracin (10 U) and vancomycin (30 μg). Resistant to
cephalothin (30 μg), kanamycin (30 μg), nalidixic acid (30 μg), penicillin G (10 U), streptomycin (30 μg) and tetracycline (30 μg).
cephalothin (30 μg), kanamycin (30 μg), nalidixic acid (30 μg), penicillin G (10 U), streptomycin (30 μg) and tetracycline (30 μg).
Unknown.
- N.A. Logan and P. De Vos, 2009. Genus I. Bacillus Cohn 1872. In: (Eds.) P.D. Vos, G. Garrity, D. Jones, N.R. Krieg, W. Ludwig, F.
A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The Firmicutes, Springer, 21-127. - Preben Nielsen, Dagmar Fritze, and Fergus G. Priest. Phenetic diversity of alkaliphilic Bacillus strains: proposal for nine new
species Microbiology July 1995 141:1745-1761; doi:10.1099/13500872-141-7-1745. - Sultanpuram VR, Mothe T. Salipaludibacillus aurantiacus gen. nov., sp. nov. a novel alkali tolerant bacterium, reclassification of
Bacillus agaradhaerens as Salipaludibacillus agaradhaerens comb. nov. and Bacillus neizhouensis as Salipaludibacillus
neizhouensis comb. nov. Int J Syst Evol Microbiol 2016; 66:2747-2753. - Wang S, Sun L, Wei D, Zhou B, Zhang J, Gu X, Zhang L, Liu Y, Li Y, Guo W, et al. Bacillus daqingensis sp. nov., a halophilic,
alkaliphilic bacterium isolated from saline-sodic soil in Daqing, China. J Microbiol 2014; 52:548-553.
Positive results for DNase, aesculin hydrolysis, nitrate reduction, starch hydrolysis and Tween 80 hydrolysis.
Can utilize as sole carbon and energy sources: acetate, aesculin, amygdalin, D-cellobiose, citrate, formate, fumarate, glycerol,
hippurate, pyruvate and sucrose.
Negative results for H2S production, indole production, oxidase, phenylalanine deaminase, phosphatase, starch hydrolysis, urease,
acid production from: L-arabinose, D-fructose, D-glucose, inositol, D-mannitol and melibiose.
No utilization of: butyrate, D-arabinose, benzoate, ethanol, D-glucose, D-fructose, L-fucose, D-galactose, inulin, D-lactose,
D-mannitol, maltose, D-mannose, D-melibiose, propionate, L-raffinose, D-ribose, salicin, trehalose, D-xylose, butanol, dulcitol,
myo-inositol, propanol, D-sorbitol, starch and xylitol.
Variable results for casein hydrolysis, catalase and gelatinase activity.
Can utilize as sole carbon and energy sources: acetate, aesculin, amygdalin, D-cellobiose, citrate, formate, fumarate, glycerol,
hippurate, pyruvate and sucrose.
Negative results for H2S production, indole production, oxidase, phenylalanine deaminase, phosphatase, starch hydrolysis, urease,
acid production from: L-arabinose, D-fructose, D-glucose, inositol, D-mannitol and melibiose.
No utilization of: butyrate, D-arabinose, benzoate, ethanol, D-glucose, D-fructose, L-fucose, D-galactose, inulin, D-lactose,
D-mannitol, maltose, D-mannose, D-melibiose, propionate, L-raffinose, D-ribose, salicin, trehalose, D-xylose, butanol, dulcitol,
myo-inositol, propanol, D-sorbitol, starch and xylitol.
Variable results for casein hydrolysis, catalase and gelatinase activity.
(c) Costin Stoica
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