| Bacillus (Fictibacillus) gelatini |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Bacillaceae, Genus Bacillus, Bacillus gelatini De Clerck, Rodriguez-Diaz,
Vanhoutte, Heyman, Logan and De Vos 2004.
Glaeser et al. proposed the transfer of Bacillus arsenicus, Bacillus barbaricus, Bacillus macauensis, Bacillus nanhaiensis, Bacillus
rigui, Bacillus solisalsi and Bacillus gelatini in the genus Fictibacillus.
Vanhoutte, Heyman, Logan and De Vos 2004.
Glaeser et al. proposed the transfer of Bacillus arsenicus, Bacillus barbaricus, Bacillus macauensis, Bacillus nanhaiensis, Bacillus
rigui, Bacillus solisalsi and Bacillus gelatini in the genus Fictibacillus.
Gram-variable, motile, straight rods, 0.5-0.9 x 4.0-10.0 µm, forming paracentrally or
subterminally, ellipsoidal endospores in unswollen sporangia.
subterminally, ellipsoidal endospores in unswollen sporangia.
Colonies are smooth, opaque, cream but darker in the center, with slightly irregular
borders; are waxy in appearance, with eggshell-textured surfaces, slightly convex
(older colonies are flatter with concave, transparent centers, and 1-4 mm diameter on
TSA at 30 ºC in 4 days. Aerobic.
Grows at pH 4-10 and at 30-60 ºC (40-50 ºC optimum). Allantoin, urate or NaCl are
not required for growth. Good growth occurs in nutrient broth with 15% NaCl added.
borders; are waxy in appearance, with eggshell-textured surfaces, slightly convex
(older colonies are flatter with concave, transparent centers, and 1-4 mm diameter on
TSA at 30 ºC in 4 days. Aerobic.
Grows at pH 4-10 and at 30-60 ºC (40-50 ºC optimum). Allantoin, urate or NaCl are
not required for growth. Good growth occurs in nutrient broth with 15% NaCl added.
Isolated from gelatin production plants.
Unknown.
- N.A. Logan and P. De Vos, 2009. Genus I. Bacillus Cohn 1872. In: (Eds.) P.D. Vos, G. Garrity, D. Jones, N.R. Krieg, W. Ludwig, F.A.
Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The Firmicutes, Springer, 21-127. - De Clerck E., Rodriguez-Diaz M., Vanhoutte T., Heyrman J., Logan N. A. and De Vos P. 2004. Anoxybacillus contaminans sp. nov.
and Bacillus gelatini sp. nov., isolated from contaminated gelatin batches. IJSEM 54, 941-946. - Glaeser, S. P., Dott, W., Busse, H.-J. and Kampfer, P. 2013. Fictibacillus phosphorivorans gen. nov., sp. nov. and proposal to
reclassify Bacillus arsenicus, Bacillus barbaricus, Bacillus macauensis, Bacillus nanhaiensis, Bacillus rigui, Bacillus solisalsi and
Bacillus gelatini in the genus Fictibacillus. Int. J. Syst. Evol. Microbiol., 63, 2934-2944.
Positive results for catalase, hydrolysis of esculin, hydrolysis of gelatin, hydrolysis of casein, hydrolysis of starch, acid production
from: D-glucose, D-mannitol, D-mannose, glycerol, D-xylose, N-acetyl-D-glucosamine (weak), fructose, maltose (weak), ribose
(weak) and trehalose.
Negative results for oxidase, beta-galactosidase, arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, hydrolysis of
urea, indole production, H2S production, nitrate reduction, Voges-Proskauer reaction, citrate utilization, tryptophan deaminase, acid
production from: D- or L-arabinose, adonitol , amygdalin, D- or L-arabitol, arbutin, dulcitol, erythritol, D- or L-fucose, beta-gentibiose,
gluconate, glycogen, inulin, 2-ketogluconate, lactose, lyxose, methyl beta-xyloside, melibiose, raffinose, rhamnose, salicin, starch,
sorbitol, sorbose, sucrose, xylitol and L-xylose.
Variable results for acid production from: cellobiose, galactose, meso-inositol, 5-ketogluconate and melezitose.
from: D-glucose, D-mannitol, D-mannose, glycerol, D-xylose, N-acetyl-D-glucosamine (weak), fructose, maltose (weak), ribose
(weak) and trehalose.
Negative results for oxidase, beta-galactosidase, arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, hydrolysis of
urea, indole production, H2S production, nitrate reduction, Voges-Proskauer reaction, citrate utilization, tryptophan deaminase, acid
production from: D- or L-arabinose, adonitol , amygdalin, D- or L-arabitol, arbutin, dulcitol, erythritol, D- or L-fucose, beta-gentibiose,
gluconate, glycogen, inulin, 2-ketogluconate, lactose, lyxose, methyl beta-xyloside, melibiose, raffinose, rhamnose, salicin, starch,
sorbitol, sorbose, sucrose, xylitol and L-xylose.
Variable results for acid production from: cellobiose, galactose, meso-inositol, 5-ketogluconate and melezitose.
(c) Costin Stoica
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