| Bacillus thermotolerans |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus thermotolerans Yang et
al. 2013.
Species description is based on a single isolate.
al. 2013.
Species description is based on a single isolate.
Gram-positive rods, 0.7-0.8 mm x 1.0-1.2 µm. Non-motile. Produce central or
paracentral endospores in non-swollen sporangia.
paracentral endospores in non-swollen sporangia.
Colonies are light brown, circular with entire edges, convex, 0.8–1.2 mm in diameter
after 12 h of aerobic growth on TSA at 50 ºC. Growth occurs at 20-65 ºC (optimum 50
ºC), at pH 6.0-9.0 (optimum 6.5-7.0 and in the presence of 0-9.0% (w/v) NaCl (optimum
1.5–2.0% (w/v) NaCl). Facultatively anaerobic.
after 12 h of aerobic growth on TSA at 50 ºC. Growth occurs at 20-65 ºC (optimum 50
ºC), at pH 6.0-9.0 (optimum 6.5-7.0 and in the presence of 0-9.0% (w/v) NaCl (optimum
1.5–2.0% (w/v) NaCl). Facultatively anaerobic.
Isolated from a high-temperature compost, PR China.
Undetermined.
- Yang G, Zhou X, Zhou S, Yang D, Wang Y, Wang D. Bacillus thermotolerans sp. nov., a thermophilic bacterium capable of reducing
humus. Int J Syst Evol Microbiol 2013; 63:3672-3678.
Positive results for catalase, gelatinase, nitrate reduction, oxidase, acid production from: D-fructose, potassium 5-ketogluconate, D-
lyxose, D-ribose, L-sorbose and D-tagatose.
Negative results for arginine dihydrolase, caseinase, citrate utilization, aesculin hydrolysis, beta-galactosidase, H2S production,
indole production, lysine decarboxylase, ornithine decarboxylase, starch hydrolysis, Voges-Proskauer test, acid production from: N-
acetylglucosamine, amygdalin, arbutin, D- and L-arabitol, D- and L-arabinose, D-adonitol, cellobiose, erythritol, D- and L-fucose, D-
galactose, D-glucose, glycerol, glycogen, gentiobiose, potassium gluconate, potassium 2-ketogluconate, inositol, inulin, lactose, D-
mannitol, D-mannose, maltose, melibiose, melezitose, methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside,
raffinose, L-rhamnose, salicin, D-sorbitol, sucrose, starch, turanose, trehalose, methyl beta-D-xylopyranoside, xylitol, D- and L-xylose.
lyxose, D-ribose, L-sorbose and D-tagatose.
Negative results for arginine dihydrolase, caseinase, citrate utilization, aesculin hydrolysis, beta-galactosidase, H2S production,
indole production, lysine decarboxylase, ornithine decarboxylase, starch hydrolysis, Voges-Proskauer test, acid production from: N-
acetylglucosamine, amygdalin, arbutin, D- and L-arabitol, D- and L-arabinose, D-adonitol, cellobiose, erythritol, D- and L-fucose, D-
galactose, D-glucose, glycerol, glycogen, gentiobiose, potassium gluconate, potassium 2-ketogluconate, inositol, inulin, lactose, D-
mannitol, D-mannose, maltose, melibiose, melezitose, methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside,
raffinose, L-rhamnose, salicin, D-sorbitol, sucrose, starch, turanose, trehalose, methyl beta-D-xylopyranoside, xylitol, D- and L-xylose.
(c) Costin Stoica
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