Bacillus vireti
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Bacillaceae, Genus Bacillus, Bacillus vireti  Heyman, Vanparys,  Logan,
Balcaen, Rodriguez-Diaz, Felske and De Vos 2004.
Gram-negative, motile, slightly curved rods, 0.6-0.9 µm in diameter, singly and in
pairs. Sporulate only on  Bacillus fumarioli agar at pH 7 after 2 days: central /
paracentral / subterminal, ellipsoidal endospores  in unswollen / slightly swollen
sporangia.
Colonies are raised, dark- cream, up to 4 mm in diameter, with entire edges and have
loose biomass and egg-shell textured surfaces on TSA after 3 days. Facultatively
anaerobic. Growth temperature 30-45 ºC (optimum 30 ºC); pH 4-7.5. NaCl, alantoin or
urate are not required for growth.
Isolated from soil in the Drentse, an agricultural research area, The Netherlands.
Undetermined.
  1. 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.
  2. HeyrmanJ., Vanparys B., Logan N.A., Balcaen A., Rodriguez-Diaz M., Felske A. and De Vos P., 2004. Bacillus novalis sp. nov.,
    Bacillus vireti sp. nov., Bacillus soli sp. nov., Bacillus bataviensis sp. nov. and Bacillus drentensis sp. nov., from the Drentse A
    grasslands. IJSEM 54, 47-57.
Positive results for hydrolysis of esculin, gelatin hydrolysis, nitrate reduction, casein
hydrolysis, acid production from: glycogen, D-fructose, L-fucose (weak), galactose,
D-glucose, maltose, D-mannitol, D-mannose, ribose (weak), starch, sucrose, D-trehalose & N-acetil-D-glucosamine.

Negative results for arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, hydrolysis of urea, indole production, H
2S
production, Voges-Proskauer reaction, citrate utilization, tryptophan deaminase, acid production from: adonitol, amygdalin, L- or
D-arabinose, L- or D-arabitol, arbutin, cellobiose, dulcitol, erythritol, D-fucose, methyl beta-xyloside, glycerol, beta-gentibiose, inulin, 2-
or 5-ketogluconate, lactose, lyxose, melezitose, melibiose, raffinose, salicin, sorbitol, sorbose, xylitol, L- or D-xylose.

Variable or weak results for beta-galactosidase, acid production from: gluconate, meso-inositol, rhamnose
(c) Costin Stoica
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