| Bacillus vallismortis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus vallismortis Roberts,
Nakamura and Cohan 1996.
Phenotypically hard to distinguish it from B. atrophaeus, B. mojavensis, B. subtilis
subsp. spizizenii and B. subtilis subsp. subtilis.
Nakamura and Cohan 1996.
Phenotypically hard to distinguish it from B. atrophaeus, B. mojavensis, B. subtilis
subsp. spizizenii and B. subtilis subsp. subtilis.
Gram-positive, motile rods, 0.8-1.0 x 2.0-4.0 µm. Produce central, paracentral,
ellipsoidal endospores in unswollen sporangia.
ellipsoidal endospores in unswollen sporangia.
Colonies are opaque, smooth, circular, up to 2 mm in diameter after 2 days at 28 ºC
Aerobic, grow at temperature 5-50 ºC (optimum 30 ºC), pH 6-7and in 0-10% NaCl
media. Alantoin or urate are not required for growth. No growth with lysozyme 0.001%.
Aerobic, grow at temperature 5-50 ºC (optimum 30 ºC), pH 6-7and in 0-10% NaCl
media. Alantoin or urate are not required for growth. No growth with lysozyme 0.001%.
Isolated from desert soils in Death Valley, California. No growth in the presence of lysozyme.
Undetermined.
- 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. - M.S.Roberts, L.K. Nakamura and F.M.Cohan, 1996. Bacillus vallismortis sp. nov., a Close Relative of Bacillus subtilis, Isolated
from Soil in Death Valley, California. IJSB, 46, 2, 470-475.
Positive results for caseinase, catalase, citrate utilization, beta-galactosidase, nitrate reduction, oxidase, hydrolysis of starch,
Voges-Proskauer reaction, hydrolysis of Tween 80 (weak), acid production from: L-arabinose, cellobiose, fructose, galactose,
D-glucose, maltose, D-mannitol, D-mannose, rhamnose, sucrose, salicin and trehalose.
Negative results for degradation of tyrosine, deamination of phenylalanine, hydrolysis of urea, indole production, H2S production, acid
production from: glycogen, gentibiose, lactose, melibiose, methyl alpha-D-glucoside, raffinose, ribose, starch and D-turanose.
Variable results for egg yolk reaction, acid production from amygdalin, sorbitol, and D-xylose.
Voges-Proskauer reaction, hydrolysis of Tween 80 (weak), acid production from: L-arabinose, cellobiose, fructose, galactose,
D-glucose, maltose, D-mannitol, D-mannose, rhamnose, sucrose, salicin and trehalose.
Negative results for degradation of tyrosine, deamination of phenylalanine, hydrolysis of urea, indole production, H2S production, acid
production from: glycogen, gentibiose, lactose, melibiose, methyl alpha-D-glucoside, raffinose, ribose, starch and D-turanose.
Variable results for egg yolk reaction, acid production from amygdalin, sorbitol, and D-xylose.
(c) Costin Stoica
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