| Virgibacillus pantothenticus |
Taxonomy
Morphology
Growth conditions
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Virgibacillus, Virgibacillus
pantothenticus Heyndrickx et al.,1998 (Proom and Knight ,1950). Type species of the genus. Old synonym: Bacillus pantothenticus
Proom and Knight, 1950.
pantothenticus Heyndrickx et al.,1998 (Proom and Knight ,1950). Type species of the genus. Old synonym: Bacillus pantothenticus
Proom and Knight, 1950.
Gram-positive, 0.4-0.7 x 1.2-3.5 μm, motile with peritrichous flagella. May form filaments. Spores are oval, terminal or subterminal,
swelling the sporangium. Colonies: 1-4 mm in diameter, low convex, circular and slightly irregular, butyrous, creamy-grey and almost
opaque.
swelling the sporangium. Colonies: 1-4 mm in diameter, low convex, circular and slightly irregular, butyrous, creamy-grey and almost
opaque.
Requires pantothenic acid, amino acids, thiamine and biotin. Maximum growth temperature is 45-50 ºC; minimum temperature,
15-20 ºC. Grows in anaerobic agar. Can grow in 5% and 10% NaCl. No growth at 5,7 pH.
15-20 ºC. Grows in anaerobic agar. Can grow in 5% and 10% NaCl. No growth at 5,7 pH.
Isolated from soil. No resistance to lysozyme.
Unknown.
- Gordon R.E., Haynes W.C., Pang C.H. (1973) – The genus Bacillus. Agriculture Handbook No. 427, U.S.D.A., Washington D.C.
- Buchanan R.E., Gibbons N.E., Cowan S.T., Holt J.G., Liston J., Murray R.G.E., Niven C.F., Ravin A.W., Stanier R.W. ( 1974) –
Bergey’s Manual of Determinative Bacteriology, Eight Edition, The Williams & Wilkins Company, Baltimore. - Logan N. A., 2005. Bacillus anthracis, Bacillus cereus, and other aerobic endospore-forming bacteria. In: Topley & Wilson’s
Microbiology & Microbial Infections, 10 th Edition, Edited by Boriello S.P., Murray P.R., Funke G, Bacteriology, vol. 2, 922-952. - Heyndrickx M., Lebbe L., Kersters K., Hoste B., De Wachter R., De Vos P., Forsyth G. & Logan N.A.: Proposal of Virgibacillus
proomii sp. nov. and emended description of Virgibacillus pantothenticus (Proom and Knight 1950) Heyndrickx et al. 1998. Int. J.
Syst. Bacteriol, 1999, 49, 1083-1090. - Heyndrickx M., Lebbe L., Kersters K., De Vos P., Forsyth G. & Logan N.A.: Virgibacillus: a new genus to accommodate Bacillus
pantothenticus (Proom and Knight 1950). Emended description of Virgibacillus pantothenticus. Int. J. Syst. Bacteriol., 1998, 48, 99-
106.
Positive results for catalase, starch hydrolysis, acid (without gas) production from:
glucose, D-mannose, salicin and trehalose.
Negative results for arginine dihydrolase, citrate utilization, H2S production, indole
production, decomposition of tyrosine, urease, Voges-Proskauer, acid production from:
arabinose, adonitol, dulcitol, erythritol, glycogen, mannitol and xylose.
Reduction of nitrate to nitrite and decomposition of casein is variable.
glucose, D-mannose, salicin and trehalose.
Negative results for arginine dihydrolase, citrate utilization, H2S production, indole
production, decomposition of tyrosine, urease, Voges-Proskauer, acid production from:
arabinose, adonitol, dulcitol, erythritol, glycogen, mannitol and xylose.
Reduction of nitrate to nitrite and decomposition of casein is variable.
(c) Costin Stoica
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