| Halalkalibacter krulwichiae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Halalkalibacter, Halalkalibacter
krulwichiae (Yumoto et al. 2003) Joshi et al. 2022.
Synonym: Bacillus krulwichiae Yumoto, Yamaga, Sogabe, Nodasaka,Matsuyama, Nakajima and Suemori 2003.
Species description is based on two isolates.
krulwichiae (Yumoto et al. 2003) Joshi et al. 2022.
Synonym: Bacillus krulwichiae Yumoto, Yamaga, Sogabe, Nodasaka,Matsuyama, Nakajima and Suemori 2003.
Species description is based on two isolates.
Gram-positive, straight rods, 0.5-0.7 x 1.5-2.6 µm, motile by peritrichous flagella.
Produce subterminal, ellipsoidal endospores in unswollen sporangia.
Produce subterminal, ellipsoidal endospores in unswollen sporangia.
Produce round, colorless colonies. Facultatively anaerobic. Obligate alkaliphile; grow
at pH 8-10 but not at neutral pH. Temperature 40 ºC; no growth at 10 or 50 ºC. NaCl,
allantoin and urate are not required for growth. Halotolerant, grow in nutrient broth
with 0-14% NaCl added.
at pH 8-10 but not at neutral pH. Temperature 40 ºC; no growth at 10 or 50 ºC. NaCl,
allantoin and urate are not required for growth. Halotolerant, grow in nutrient broth
with 0-14% NaCl added.
Isolated from a soil sample obtained from Tsukuba, Ibaraki, Japan.
Not determined.
- 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. - Yumoto I., Yamaga S., Sogabe Y., Nodasaka Y., Matsuyama H., Nakajima K. and Suemori A., 2003. Bacillus krulwichiae sp. nov.,
a halotolerant obligate alkaliphilic that utilizes benzoate and m-hydroxybenzoate. IJSEM 53, 1531-1536. - Joshi A, Thite S, Karodi P, Joseph N, Lodha T. Alkalihalobacterium elongatum gen. nov. sp. nov.: An Antibiotic-Producing
Bacterium Isolated From Lonar Lake and Reclassification of the Genus Alkalihalobacillus Into Seven Novel Genera. Front
Microbiol 2021; 12:722369.
Positive results for catalase, DNase, hippurate hydrolysis, nitrate reduction, oxidase, starch hydrolysis, Tween 20, 40, 60, 80 hydrolysis,
acid production (when grown at pH 10) from: D-fructose, D-glucose, D-galactose, glycerol, maltose, D-mannitol, D-ribose, sucrose,
trehalose and D-xylose.
Negative results for deamination of phenylalanine, beta-galactosidase, indole production, H2S production, acid production from: D-
arabinose, cellobiose, lactose, D-mannose, meso-inositol, melibiose, raffinose, rhamnose and sorbitol.
Variable results for casein hydrolysis and gelatin hydrolysis.
acid production (when grown at pH 10) from: D-fructose, D-glucose, D-galactose, glycerol, maltose, D-mannitol, D-ribose, sucrose,
trehalose and D-xylose.
Negative results for deamination of phenylalanine, beta-galactosidase, indole production, H2S production, acid production from: D-
arabinose, cellobiose, lactose, D-mannose, meso-inositol, melibiose, raffinose, rhamnose and sorbitol.
Variable results for casein hydrolysis and gelatin hydrolysis.
(c) Costin Stoica
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