Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Firmicutes => Bacilli => Bacillales => Bacillaceae => Bacillus => Bacillus azotoformans Pichinoty, de Barjac, Mandel and
Asselineau 1983.
Asselineau 1983.
Gram-negative or positive rods, 0.5-0.8 x 3.0-7.0 µm, motile by means of peritrichous
flagella. Terminal or subterminal ellipsoidal endospores (1.4 x 2-2.5 µm), swelling
the sporangia.
flagella. Terminal or subterminal ellipsoidal endospores (1.4 x 2-2.5 µm), swelling
the sporangia.
Colonies are partially translucent, with entire margins, up to 5 mm in diameter on
yeast extract agar. Growth requirements are complex; growth factors are required.
Aerobic. Growth is observed at pH 6 - 7; temperature range 30 to 42-46 ºC. NaCl is
not required for growth; no growth in 5-7% NaCl. Allantoin or urate are not required.
yeast extract agar. Growth requirements are complex; growth factors are required.
Aerobic. Growth is observed at pH 6 - 7; temperature range 30 to 42-46 ºC. NaCl is
not required for growth; no growth in 5-7% NaCl. Allantoin or urate are not required.
Isolated from garden soil by enrichment culture in peptone broth in N2O atmosphere. No growth in the presence of 0.001% lysozyme.
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. - Pichinoty F., de Barjac H., Mandel M. and Asselineau J., 1983. Description of Bacillus azotoformans sp. nov. IJSB 33, 3, 660-
662.
Positive results for oxidase, nitrate reduction & citrate utilization.
Negative results for arginine dihydrolase, catalase, hydrolysis of Tween 80, degradation of tyrosine, deamination of phenylalanine,
beta-galactosidase, hydrolysis of esculin, hydrolysis of urea, hydrolysis of hippurate, hydrolysis of gelatin, egg yolk reaction, hydrolysis
of starch, Voges-Proskauer test, acid production from: D-glucose, D-mannose, D-xylose, fructose, galactose, lactose, maltose, ribose
& sorbose.
Negative results for arginine dihydrolase, catalase, hydrolysis of Tween 80, degradation of tyrosine, deamination of phenylalanine,
beta-galactosidase, hydrolysis of esculin, hydrolysis of urea, hydrolysis of hippurate, hydrolysis of gelatin, egg yolk reaction, hydrolysis
of starch, Voges-Proskauer test, acid production from: D-glucose, D-mannose, D-xylose, fructose, galactose, lactose, maltose, ribose
& sorbose.
(c) Costin Stoica
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