| Bacillus daqingensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus daqingensis Wang et
al. 2023.
Species description is based on a single isolate.
al. 2023.
Species description is based on a single isolate.
Gram-positive, straight rods, 0.4-0.6 x 1.0-2.0 μm. Non-motile. Non-sporulated.
Colonies are circular and yellow. Grows at temperature 10-50 ºC (optimum 35 ºC), pH
7.5-11.0 (optimum, pH 10.0) and in 0-16% (w/v) NaCl (optimum 3% NaCl). Strictly
aerobic.
7.5-11.0 (optimum, pH 10.0) and in 0-16% (w/v) NaCl (optimum 3% NaCl). Strictly
aerobic.
Isolated from soda meadow saline soil in Daqing City, Heilongjiang Province of China.
Susceptible to the following antibiotics (μg per disc): penicillin G (10 IU per disc), kanamycin (30), chloramphenicol (30), erythromycin
(15), ampicillin (10), vancomycin (30) and bacitracin (0.04 IU per disc).
Resistant to novobiocin (30), tetracycline (30), streptomycin (10), neomycin (30), and gentamycin (10).
Susceptible to the following antibiotics (μg per disc): penicillin G (10 IU per disc), kanamycin (30), chloramphenicol (30), erythromycin
(15), ampicillin (10), vancomycin (30) and bacitracin (0.04 IU per disc).
Resistant to novobiocin (30), tetracycline (30), streptomycin (10), neomycin (30), and gentamycin (10).
Undetermined.
- 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 arginine dihydrolase, catalase, casein hydrolysis, aesculin hydrolysis, gelatinase, beta-galactosidase, lysine
decarboxylase, methyl red, nitrate reduction to nitrite, ornithine decarboxylase, starch hydrolysis, Voges-Proskauer test, acid
production from: L-arabinose, D-glucose, inositol, D-mannitol and melibiose.
Can utilize as sole carbon and energy sources: glucose, sucrose, D-trehalose, arabinose, inositol, melibiose, mannitol, and
amygdalin.
Negative results for H2S production, indole production, nitrite reduction to N2, oxidase, phenylalanine deamination, tryptophan
deaminase, Tween 20−80 hydrolysis, urease, acid production from: D-fructose, D-sorbitol and sucrose.
decarboxylase, methyl red, nitrate reduction to nitrite, ornithine decarboxylase, starch hydrolysis, Voges-Proskauer test, acid
production from: L-arabinose, D-glucose, inositol, D-mannitol and melibiose.
Can utilize as sole carbon and energy sources: glucose, sucrose, D-trehalose, arabinose, inositol, melibiose, mannitol, and
amygdalin.
Negative results for H2S production, indole production, nitrite reduction to N2, oxidase, phenylalanine deamination, tryptophan
deaminase, Tween 20−80 hydrolysis, urease, acid production from: D-fructose, D-sorbitol and sucrose.
(c) Costin Stoica
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