| Evansella vedderi |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Evansella, Evansella vedderi (Agnew
et al. 1996) Gupta et al. 2020.
Synonym: Bacillus vedderi Agnew et al. 1996. Description of a single isolate.
et al. 1996) Gupta et al. 2020.
Synonym: Bacillus vedderi Agnew et al. 1996. Description of a single isolate.
Gram-positive, motile rods. Produce ellipsoidal / spherical, terminal spores in swollen
sporangia.
sporangia.
Colonies are white, flat and circular, and 1.5 mm in diameter after 2 days on alkaline
oxalate medium at 37 ºC. Anaerobic. Growth stimulated by presence of vitamins (in
yeast extract). Alkaliphilic, grow at pH 8.9-10.5.
Grows at temperature 40 ºC (optimum) to 50 ºC (variable), and in 0-7.5% NaCl media.
Alantoin or urate are not required for growth.
oxalate medium at 37 ºC. Anaerobic. Growth stimulated by presence of vitamins (in
yeast extract). Alkaliphilic, grow at pH 8.9-10.5.
Grows at temperature 40 ºC (optimum) to 50 ºC (variable), and in 0-7.5% NaCl media.
Alantoin or urate are not required for growth.
Isolated from red mud bauxite-processing waste, using alkaline oxalate enrichment.
Undetermined.
- 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. - Gupta RS, Patel S, Saini N, Chen S. Robust demarcation of 17 distinct Bacillus species clades, proposed as novel Bacillaceae
genera, by phylogenomics and comparative genomic analyses: description of Robertmurraya kyonggiensis sp. nov. and proposal
for an emended genus Bacillus limiting it only to the members of the Subtilis and Cereus clades of species. Int J Syst Evol
Microbiol 2020; 70:5753-5798.
Positive results for hydrolysis of gelatin (weak), oxidase, catalase and hydrolysis of xylan.
Negative results for hydrolysis of casein, hydrolysis of starch, Voges-Proskauer test, acid production from: L-arabinose , D-glucose,
D-mannitol, D-mannose, methyl beta-xyloside, glycogen, salicin, starch and D-xylose.
Negative results for hydrolysis of casein, hydrolysis of starch, Voges-Proskauer test, acid production from: L-arabinose , D-glucose,
D-mannitol, D-mannose, methyl beta-xyloside, glycogen, salicin, starch and D-xylose.
(c) Costin Stoica
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