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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Firmicutes => Bacilli => Bacillales => Bacillaceae => Brevibacillus => Brevibacillus brevis Shida et al. (1996).Historical
synonyms: Bacillus brevis Migula (1900), Bacillus centrosporus Ford (1916), B. hollandicus Stapp (1920).
synonyms: Bacillus brevis Migula (1900), Bacillus centrosporus Ford (1916), B. hollandicus Stapp (1920).
2.1-5.0 / 0.6-1.0 µm Gram-positive, Gram-variable, or Gram-negative, motile, with long, numerous, peritrichous flagella.
Spores: ellipsoidal, central , subterminal or terminal, swelling the sporangia.
Spores: ellipsoidal, central , subterminal or terminal, swelling the sporangia.
Maximum temperature 40-60 'C; minimum temperature 10-35 'C
Aerobic
No growth in 5% NaCl
Growth at 5.7 pH is a variable property.
Aerobic
No growth in 5% NaCl
Growth at 5.7 pH is a variable property.
Has been isolated mainly from soil and foods. Produces “Gramicidin” & “Tyrocidin” antibiotics.
Accidentaly human pathogen (bacteremia).
- Bîlbîie V., Pozsgi N., 1985, Bacteriologie Medicală, vol.ll, Ed. Medicală, Bucureşti.
- 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. - Buiuc D., Negut M. , 1999. Tratat de Microbiologie Clinica, Editura Medicala, Bucuresti.
- Logan N.A. 2005.Bacillus anthracis, Bacillus cereus, and other aerobic endospore-forming bacteria.In: Boriello S.P., Murray P.
R., Funke G. (Editors), Topley & Wilson’s Microbiology & Microbial Infections.Bacteriology, vol.2, pag.922-952.
Positive results for catalase, gelatin liquefaction & decomposition of casein.
Negative results for starch hydrolysis, indole production, Voges-Proskauer reaction,
acid from arabinose & xilose.
Resistance to lysozyme, reduction of nitrate to nitrite, citrate utilization, acid production
from glucose & mannitol are variable.
Negative results for starch hydrolysis, indole production, Voges-Proskauer reaction,
acid from arabinose & xilose.
Resistance to lysozyme, reduction of nitrate to nitrite, citrate utilization, acid production
from glucose & mannitol are variable.
(c) Costin Stoica
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