| Bacillus dafuensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus dafuensis Zheng 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, 0.9-1.2 x 2.4-4.8 µm in size. Motile. Ellipsoidal
endospores are observed at terminal position.
endospores are observed at terminal position.
After growth at 30 ºC for 48 h on Nutrient Agar, colonies are circular, pale yellow, moist,
smooth surface, and about 2 mm in diameter. Growth occurs at 15-50 ºC (optimum 35
ºC), pH 6.0-10.0 (optimum 8.0), and 0-4.0% (w/v) NaCl (optimum 0%). Aerobic.
smooth surface, and about 2 mm in diameter. Growth occurs at 15-50 ºC (optimum 35
ºC), pH 6.0-10.0 (optimum 8.0), and 0-4.0% (w/v) NaCl (optimum 0%). Aerobic.
Isolated from a forest soil sample in Dafu County, Chengdu City, Sichuan Province, China.
Undetermined.
- Zheng X, Liu G, Wang Z, Wang J, Zhang H, Liu B. Bacillus dafuensis sp. Nov., Isolated from a Forest Soil in China. Curr Microbiol
2020; 77:2049-2055.
Positive results for acid and alkaline phosphatase, catalase, aesculin hydrolysis, esterase (C4), esterase lipase (C8), leucine
arylamidase, naphthol-AS-BI-phosphate hydrolase, alpha-glucuronidase, N-acetyl-glucosamine and Voges-Proskauer test.
Negative results for chymotrypsin, citrate utilization, gelatin hydrolysis, beta-galactosidase, nitrate reduction, starch hydrolysis,
oxidase, valine arylamidase, acid production from: glycerol, D-galactose, D-glucose, D-ribose, D-mannitol, D-sorbitol, xylitol and the
other API 50 CH substrates.
arylamidase, naphthol-AS-BI-phosphate hydrolase, alpha-glucuronidase, N-acetyl-glucosamine and Voges-Proskauer test.
Negative results for chymotrypsin, citrate utilization, gelatin hydrolysis, beta-galactosidase, nitrate reduction, starch hydrolysis,
oxidase, valine arylamidase, acid production from: glycerol, D-galactose, D-glucose, D-ribose, D-mannitol, D-sorbitol, xylitol and the
other API 50 CH substrates.
(c) Costin Stoica
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