Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Firmicutes => Bacilli => Bacillales => Bacillaceae => Anaerobacillus => Anaerobacillus arseniciselenatis (Switzer Blum et
al. 2001) Zavarzina, Tourova, Kolganova, Boulygina and Zhilina 2010.
Basonym: Bacillus arseniciselenatis Switzer Blum, Burns Bindi, Buzzeli, Stolz and Oremland, 2001.
Description is based upon a single isolate.
al. 2001) Zavarzina, Tourova, Kolganova, Boulygina and Zhilina 2010.
Basonym: Bacillus arseniciselenatis Switzer Blum, Burns Bindi, Buzzeli, Stolz and Oremland, 2001.
Description is based upon a single isolate.
Gram-positive, non-motile, 0.5-1.0 x 3-10 µm, spore-forming rods.
Moderately halophilic (optimum salinity of 60 g/l NaCl), moderately alkaliphilic
(optimum pH = 8.5-10). Strictly anaerobic. Show respiratory growth with Se (VI)
(selenate), As (V) (arsenate), Fe (III), nitrate and fumarate as electron acceptors.
Colonies are formed on lactate/selenate / yeast extract-supplemented lakewater
medium. Produce red colonies , owing to elemental selenium precipitation, on
selenium oxide media. Grows fermentatively on fructose. Allantoin or urate are not
required for growth.
Growth temperature 20 ºC. NaCl is required for growth. Grow in 5 -10% NaCl broth.
(optimum pH = 8.5-10). Strictly anaerobic. Show respiratory growth with Se (VI)
(selenate), As (V) (arsenate), Fe (III), nitrate and fumarate as electron acceptors.
Colonies are formed on lactate/selenate / yeast extract-supplemented lakewater
medium. Produce red colonies , owing to elemental selenium precipitation, on
selenium oxide media. Grows fermentatively on fructose. Allantoin or urate are not
required for growth.
Growth temperature 20 ºC. NaCl is required for growth. Grow in 5 -10% NaCl broth.
Isolated from arsenic-rich sediment of Mono Lake, California
Unknown.
- 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. - Zavarzina D.G., Tourova T.P., Kolganova T.V., Boulygina E.S. and Zhilina T.N., 2009. Description of Anaerobacillus
alkalilacustre gen. nov., sp. nov.- Strictly anaerobic diazotrophic bacillus isolated from soda lake and transfer of Bacillus
arseniciselenatis , Bacylus macyae , and Bacillus alkalidiazotrophicus to Anaerobacillus as the new combinations A.
arseniciselenatis comb. nov., A. macyae comb. nov., and A. alkalidiazotrophicus comb. nov. Microbiology (English translation
of Mikrobiologiia) 78, 723-731.
Positive results for oxidase, catalase, utilization of lactate, malate, fructose, starch & citrate.
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