| Pseudobacillus badius |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Pseudobacillus, Pseudobacillus
badius (Batchelor 1919) Verma et al. 2024
Synonym: Bacillus badius Batchelor (1919).
badius (Batchelor 1919) Verma et al. 2024
Synonym: Bacillus badius Batchelor (1919).
Gram-positive cells, 0.8-1.2 / 2.5-5.0 μm, motile with peritrichous flagella. Spores are
ellipsoidal, subterminal, sometimes paracentral or terminal, not swelling the
sporangium.
ellipsoidal, subterminal, sometimes paracentral or terminal, not swelling the
sporangium.
Colonies are smooth or may have a folded hair structure and rhizoid outgrowths
(filamentous colonies with hairy edges). Fecal odour of culture on beef extract media.
Maximum growth temperature is 50 ºC, minimum is 15 ºC, optimum 30 ºC. Does not
grow in anaerobic agar or at pH 5.7 or in 10% NaCl. Grow in ph 7 and in 5% or 7%
NaCl. NaCl, allantoin or urate are not required for growth.
Growth on Nutrient agar, Milk agar, Soy agar, Starch beef agar.
(filamentous colonies with hairy edges). Fecal odour of culture on beef extract media.
Maximum growth temperature is 50 ºC, minimum is 15 ºC, optimum 30 ºC. Does not
grow in anaerobic agar or at pH 5.7 or in 10% NaCl. Grow in ph 7 and in 5% or 7%
NaCl. NaCl, allantoin or urate are not required for growth.
Growth on Nutrient agar, Milk agar, Soy agar, Starch beef agar.
Isolated infrequently from feces, dust, foods (dried figs), marine sources, antacids and gelatin production plant.
No resistance to lysozyme.
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. - Marzieh Saghafi and M. D. Appleman: REDISCOVERY OF BACILLUS BADIUS BATCHELOR. J Bacteriol. 1953 February; 65(2): 220.
- 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. - Verma A, Pal Y, Ojha AK, Kumari M, Khatri I, Rameshkumar N, Schumann P, Dastager SG, Mayilraj S, Subramanian S, et al.
Taxonomic insights into the phylogeny of Bacillus badius and proposal for its reclassification to the genus Pseudobacillus as
Pseudobacillus badius comb. nov. and reclassification of Bacillus wudalianchiensis Liu et al., 2017 as Pseudobacillus
wudalianchiensis comb. nov. Syst Appl Microbiol 2019; 42:360-372. - Liu GH, Liu B, Liu QY, Wang JP, Che JM, Zhang HF, Lan JL, Sengonca C. Bacillus xiapuensis sp. nov., isolated from marine
sediment. Int J Syst Evol Microbiol 2019; 69:1714-1719.
Positive results for catalase, decomposition of casein, decomposition of tyrosine and hydrolysis of gelatin.
Negative results for arginine dihydrolase, esculin hydrolysis, beta-galactosidase, H2S production, indole production, lysine
decarboxylase, ornithine decarboxylase, deamination of phenylalanine, starch hydrolysis, urease, Voges-Proskauer reaction, acid
production from: arabinose, adonitol, amygdalin, D- or L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D- or L-fucose, galactose,
glycogen, beta-gentibiose, gluconate, meso-inositol, inulin, 2- or 5-ketogluconate, lyxose, lactose, methyl beta-xyloside, maltose,
melezitose, melibiose, raffinose, rhamnose, salicin, starch, sorbitol, sorbose, sucrose, trehalose, xylose and xylitol.
Variable results for thr reduction of nitrate to nitrite, acid production from: N-acetyl-D-glucosamine, fructose, glucose, glycerol,
mannitol, D-mannose, ribose and sucrose.
Negative results for arginine dihydrolase, esculin hydrolysis, beta-galactosidase, H2S production, indole production, lysine
decarboxylase, ornithine decarboxylase, deamination of phenylalanine, starch hydrolysis, urease, Voges-Proskauer reaction, acid
production from: arabinose, adonitol, amygdalin, D- or L-arabitol, arbutin, cellobiose, dulcitol, erythritol, D- or L-fucose, galactose,
glycogen, beta-gentibiose, gluconate, meso-inositol, inulin, 2- or 5-ketogluconate, lyxose, lactose, methyl beta-xyloside, maltose,
melezitose, melibiose, raffinose, rhamnose, salicin, starch, sorbitol, sorbose, sucrose, trehalose, xylose and xylitol.
Variable results for thr reduction of nitrate to nitrite, acid production from: N-acetyl-D-glucosamine, fructose, glucose, glycerol,
mannitol, D-mannose, ribose and sucrose.
(c) Costin Stoica
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