| Robertmurraya korlensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Cytobacillaceae, Genus Robertmurraya, Robertmurraya
korlensis (Zhang et al. 2009) Gupta et al. 2020
Old synonym: Bacillus korlensis Zhang, Wang, Dai, Tang, Yang, Luo and Fang 2009.
korlensis (Zhang et al. 2009) Gupta et al. 2020
Old synonym: Bacillus korlensis Zhang, Wang, Dai, Tang, Yang, Luo and Fang 2009.
Gram-positive, motile (peritrichous flagella) rods, 0.7-0.8 x 1.8-3.0 µm, producing
subterminal / paracentral, oval endospores in usually swollen sporangia.
subterminal / paracentral, oval endospores in usually swollen sporangia.
Colonies are brown, circular, with shiny, glistening and granular surfaces, 3-5 mm in
diameter after 1 day on BHI agar; on nutrient agar the colonies are smaller (1-3 mm in
diameter), pale and opaque. Aerobic.
Grow at pH 6-11 (optimum pH 7-8). Temperature range 7-45 ºC; optimum growth at
35-37 ºC. NaCl is not required for growth; tolerates up to 8% NaCl. Optimum growth
occurs in nutrient broth with 0-2% NaCl added.
diameter after 1 day on BHI agar; on nutrient agar the colonies are smaller (1-3 mm in
diameter), pale and opaque. Aerobic.
Grow at pH 6-11 (optimum pH 7-8). Temperature range 7-45 ºC; optimum growth at
35-37 ºC. NaCl is not required for growth; tolerates up to 8% NaCl. Optimum growth
occurs in nutrient broth with 0-2% NaCl added.
Isolated from a sand soil sample in Korla, China.
Susceptible to chloramphenicol, kanamycin, erythromycin, gentamicin, penicillin G, streptomycin, tetracycline and vancomycin.
Susceptible to chloramphenicol, kanamycin, erythromycin, gentamicin, penicillin G, streptomycin, tetracycline and vancomycin.
Not determined.
- Zhang L., Wang Y., Dai J., Tang Y., Yang Q., Luo X. and Fang C., 2009. Bacillus korlensis sp. nov., a moderately halotolerant
bacterium isolated from a sand soil sample in China. IJSEM 59, 1787-1792. - Patel S, Gupta RS. A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus:
Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov.,
Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov. Int J Syst Evol Microbiol 2020; 70:406-438.
Positive results for alkaline phosphatase, acid phosphatase, catalase, esterase, esterase lipase, hydrolysis of esculin, oxidase,
nitrate reduction, hydrolysis of starch, acid production from: L-arabinose, amygdalin, arbutin, cellobiose, N-acetil-D-glucosamine,
fructose, galactose, beta-gentiobiose, D-glucose, glycerol (weak), glycogen, meso-inositol, inulin, lactose, D-mannitol, maltose,
melezitose, melibiose, raffinose (weak), rhamnose, ribose, salicin, starch, sucrose, trehalose and D-xylose.
Negative results for beta-galactosidase, degradation of tyrosine, hydrolysis of casein, hydrolysis of cellulose, hydrolysis of gelatin,
hydrolysis of urea, indole production, H2S production, citrate utilization, acid production from: D-arabinose, adonitol, D- or L-arabitol,
dulcitol, erythritol, D- or L-fucose, D-mannose, 2- or 5-ketogluconate, lyxose, sorbitol, sorbose, xylitol and L-xylose.
nitrate reduction, hydrolysis of starch, acid production from: L-arabinose, amygdalin, arbutin, cellobiose, N-acetil-D-glucosamine,
fructose, galactose, beta-gentiobiose, D-glucose, glycerol (weak), glycogen, meso-inositol, inulin, lactose, D-mannitol, maltose,
melezitose, melibiose, raffinose (weak), rhamnose, ribose, salicin, starch, sucrose, trehalose and D-xylose.
Negative results for beta-galactosidase, degradation of tyrosine, hydrolysis of casein, hydrolysis of cellulose, hydrolysis of gelatin,
hydrolysis of urea, indole production, H2S production, citrate utilization, acid production from: D-arabinose, adonitol, D- or L-arabitol,
dulcitol, erythritol, D- or L-fucose, D-mannose, 2- or 5-ketogluconate, lyxose, sorbitol, sorbose, xylitol and L-xylose.
(c) Costin Stoica
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