| Bacillus fengqiuensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus fengqiuensis Zhao et
al. 2014.
Species description is based on a single isolate.
al. 2014.
Species description is based on a single isolate.
Gram-positive (Gram-variable in older cultures), rounded-ended rods, 1.2-1.9 x
3.5-4.8 µm, occur singly or in pairs. Motile by a single lateral flagellum. Central or
subterminal ellipsoidal endospores are observed in swollen sporangia.
3.5-4.8 µm, occur singly or in pairs. Motile by a single lateral flagellum. Central or
subterminal ellipsoidal endospores are observed in swollen sporangia.
Colonies are matt, circular to slightly irregular with fimbriate edges, slightly raised,
off-white and 2-4 mm in diameter after 2 days at 37 ºC on nutrient agar. Produce a red
pigment visible from from the centre of the colony to the edge after 4-7 days on TSA
under the same cultivation conditions. The temperature range for growth is 20-45 ºC;
optimum growth occurs at 37 ºC. The pH range for growth is pH 7.0-11.0,
with optimum growth at pH 8.5. NaCl is tolerated at 0-2% (w/v). The preferred growth
medium is nutrient agar. Aerobic.
off-white and 2-4 mm in diameter after 2 days at 37 ºC on nutrient agar. Produce a red
pigment visible from from the centre of the colony to the edge after 4-7 days on TSA
under the same cultivation conditions. The temperature range for growth is 20-45 ºC;
optimum growth occurs at 37 ºC. The pH range for growth is pH 7.0-11.0,
with optimum growth at pH 8.5. NaCl is tolerated at 0-2% (w/v). The preferred growth
medium is nutrient agar. Aerobic.
Isolated from a typical sandy loam soil under long-term NPK fertilization at the State Experimental Station for Agro-Ecology, Fengqiu
county, Henan province, China. Susceptible to ampicillin, chloramphenicol, rifampicin, streptomycin, kanamycin, gentamicin,
tetracycline, erythromycin and polymyxin B.
county, Henan province, China. Susceptible to ampicillin, chloramphenicol, rifampicin, streptomycin, kanamycin, gentamicin,
tetracycline, erythromycin and polymyxin B.
Undetermined.
- Zhao F, Feng YZ, Chen RR, Zhang HY, Wang JH, Lin XG. Bacillus fengqiuensis sp. nov., isolated from a typical sandy loam soil
under long-term fertilization. Int J Syst Evol Microbiol 2014; 64:2849-2856.
Positive results for alkaline phosphatase, acid phosphatase (weak), alpha-chymotrypsin (weak), catalase, citrate utilization, esterase
(C4), esterase lipase (C8), alpha-glucosidase, gelatinase, leucine arylamidase, nitrate reduction, tryptophan deaminase,
Voges-Proskauer reaction, acid production from: D- and L-arabinose, erythritol, D-fructose, glycerol, D-glucose, myo-inositol, inulin,
D-mannitol, maltose, melezitose, N-acetylglucosamine, raffinose, D-ribose, sucrose, trehalose, D-xylose, methyl
beta-D-xylopyranoside. Weak acid reactions are detected for amygdalin, arbutin, L-arabitol, D- and L-fucose, D-galactose, potassium
gluconate, 2- and 5-ketogluconate, lactose, D-lyxose, methyl alpha-D-glucopyranoside, salicin and turanose.
Negative results for arginine dihydrolase, cystine arylamidase, aesculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, beta-glucosidase, N-acetyl-beta-glucosaminidase, indole production, H2S production, lipase (C14),
alpha-mannosidase, naphthol AS-BI-phosphohydrolase, lysine decarboxylase, ornithine decarboxylase, ONPG, oxidase, protease,
phenylalanine deaminase, starch hydrolysis, trypsin, Tween 80 hydrolysis, urease, valine arylamidase, acid production from:
D-adonitol, D-arabitol, dulcitol, aesculin ferric citrate, glycogen, gentiobiose, D-mannose, melibiose, methyl
alpha-D-mannopyranoside, L-rhamnose, D-sorbitol, L-sorbose, starch, D-tagatose, xylitol, and L-xylose.
(C4), esterase lipase (C8), alpha-glucosidase, gelatinase, leucine arylamidase, nitrate reduction, tryptophan deaminase,
Voges-Proskauer reaction, acid production from: D- and L-arabinose, erythritol, D-fructose, glycerol, D-glucose, myo-inositol, inulin,
D-mannitol, maltose, melezitose, N-acetylglucosamine, raffinose, D-ribose, sucrose, trehalose, D-xylose, methyl
beta-D-xylopyranoside. Weak acid reactions are detected for amygdalin, arbutin, L-arabitol, D- and L-fucose, D-galactose, potassium
gluconate, 2- and 5-ketogluconate, lactose, D-lyxose, methyl alpha-D-glucopyranoside, salicin and turanose.
Negative results for arginine dihydrolase, cystine arylamidase, aesculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, beta-glucosidase, N-acetyl-beta-glucosaminidase, indole production, H2S production, lipase (C14),
alpha-mannosidase, naphthol AS-BI-phosphohydrolase, lysine decarboxylase, ornithine decarboxylase, ONPG, oxidase, protease,
phenylalanine deaminase, starch hydrolysis, trypsin, Tween 80 hydrolysis, urease, valine arylamidase, acid production from:
D-adonitol, D-arabitol, dulcitol, aesculin ferric citrate, glycogen, gentiobiose, D-mannose, melibiose, methyl
alpha-D-mannopyranoside, L-rhamnose, D-sorbitol, L-sorbose, starch, D-tagatose, xylitol, and L-xylose.
(c) Costin Stoica
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