| Bacillus tropicus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus tropicus Liu et al.
2017.
Species description is based on a single isolate.
2017.
Species description is based on a single isolate.
Gram-positive rods, 1.3-1.6 x 2.2-2.6 µm. Motile by peritrichous flagella. Produce
central, elliptical endospores. Sporangia are not deformed (admin note).
central, elliptical endospores. Sporangia are not deformed (admin note).
Colonies on LB medium are off-white, circular, non-translucent and 2-3 mm in diameter
after incubation at 32 ºC for 48 h. Growth occurs at 15-45 ºC (optimum 30 ºC), at pH 5-9
(optimum pH 6) and with 0-9% (w/v) NaCl (optimum 0-0.5%). Facultatively anaerobic.
after incubation at 32 ºC for 48 h. Growth occurs at 15-45 ºC (optimum 30 ºC), at pH 5-9
(optimum pH 6) and with 0-9% (w/v) NaCl (optimum 0-0.5%). Facultatively anaerobic.
Isolated from sediment of the South China Sea.
Undetermined.
- Liu Y, Du J, Lai Q, Zeng R, Ye D, Xu J, Shao Z. Proposal of nine novel species of the Bacillus cereus group. Int J Syst Evol Microbiol
2017; 67:2499-2508.
Positive results for arginine dihydrolase, caseinase, catalase, aesculin hydrolysis, CM-cellulose hydrolysis, citrate utilization,
gelatinase, oxidase, skimmed milk hydrolysis, starch hydrolysis, Voges-Proskauer test, acid production from: cellobiose, D-fructose,
glycerol, glycogen, gluconate, maltose, D-ribose, salicin, starch and trehalose.
Negative results for beta-galactosidase, H2S production, indole production, lysine decarboxylase, ornithine decarboxylase, tryptophan
deaminase, urease, acid production from: N-acetylglucosamine, amygdalin, arbutin, D- and L-arabinose, D- and L-arabitol, D-adonitol,
dulcitol, erythritol, D- and L-fucose, D-galactose, D-glucose, gentiobiose, inositol, inulin, 2- and 5-ketogluconate, lactose, D-lyxose,
D-mannose, D-mannitol, melibiose, melezitose, methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, raffinose,
L-rhamnose, L-sorbose, D-sorbitol, sucrose, D-tagatose, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose.
gelatinase, oxidase, skimmed milk hydrolysis, starch hydrolysis, Voges-Proskauer test, acid production from: cellobiose, D-fructose,
glycerol, glycogen, gluconate, maltose, D-ribose, salicin, starch and trehalose.
Negative results for beta-galactosidase, H2S production, indole production, lysine decarboxylase, ornithine decarboxylase, tryptophan
deaminase, urease, acid production from: N-acetylglucosamine, amygdalin, arbutin, D- and L-arabinose, D- and L-arabitol, D-adonitol,
dulcitol, erythritol, D- and L-fucose, D-galactose, D-glucose, gentiobiose, inositol, inulin, 2- and 5-ketogluconate, lactose, D-lyxose,
D-mannose, D-mannitol, melibiose, melezitose, methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, raffinose,
L-rhamnose, L-sorbose, D-sorbitol, sucrose, D-tagatose, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose.
(c) Costin Stoica
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