| Priestia taiwanensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Priestia, Priestia taiwanensis (Liu et al.
2015) Gupta et al. 2020.
Synonym: Bacillus taiwanensis Liu et al. 2015.
Species description is based on a single isolate.
2015) Gupta et al. 2020.
Synonym: Bacillus taiwanensis Liu et al. 2015.
Species description is based on a single isolate.
Gram-positive straight rods with rounded ends, 0.5-1.0 x 2.0-4.0 µm, occurring singly
or in pairs. Motile. Produce ellipsoidal to cylindrical spores located centrally or
subterminally in swollen sporangia.
or in pairs. Motile. Produce ellipsoidal to cylindrical spores located centrally or
subterminally in swollen sporangia.
Colonies on Nutrien Agar are cream-yellow, flat, opaque, smooth, with circular margins
and 3-6 mm in diameter after 2 days. Growth occurs at 20-40 ºC (optimal 35 ºC), at pH
6.0-10.0 (optimum pH 8.0) and in 0-2% (w/v) NaCl (optimum 0% NaCl). Aerobic.
and 3-6 mm in diameter after 2 days. Growth occurs at 20-40 ºC (optimal 35 ºC), at pH
6.0-10.0 (optimum pH 8.0) and in 0-2% (w/v) NaCl (optimum 0% NaCl). Aerobic.
Isolated from weathered rock (tuff) surface collected from Dongxiang (Jiangxi, eastern China).
Sensitive to rifampicin and gentamicin. Resistant to amoxicillin, streptomycin, tetracycline, kanamycin, chloramphenicol and
spectinomycin .
Sensitive to rifampicin and gentamicin. Resistant to amoxicillin, streptomycin, tetracycline, kanamycin, chloramphenicol and
spectinomycin .
Undetermined.
- Liu B, Liu GH, Sengonca C, Schumann P, Wang MK, Xiao RF, Zheng XF, Chen Z. Bacillus taiwanensis sp. nov., isolated from a soil
sample from Taiwan. Int J Syst Evol Microbiol 2015; 65:2078-2084. - 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 catalase, methyl red test (weak), acid production (API 50 CH) from: N-acetyl-D-glucosamine, aesculin, D-glucose,
glycerol, glycogen, maltose, ribose, salicin (weak) and starch.
Can utilize as sole carbon or nitrogen sources: cellobiose, DL-malic acid, starch, trehalose, D-xylose, xylan, L-arabinose, aluminium
nitrate, potassium nitrate, magnesium nitrate, sodium nitrate and ammonium sulfate.
Negative results for arginine dihydrolase, citrate utilization, gelatinase, beta-galactosidase, H2S production, indole production, lysine
decarboxylase, nitrate reduction, ornithine decarboxylase, oxidase, tryptophan deaminase, urease, Voges-Proskauer test, acid
production from: adonitol, D- and L-arabinose, D- and L-arabitol, arbutin, amygdalin, cellobiose, dulcitol, erythrol, fructose, D- and L-
fucose, galactose, gentiobiose, gluconate, 2- and 5-ketogluconate, inositol, inulin, lactose, D-lyxose, mannitol, mannose, melezitose,
melibiose, methyl alpha-D-glucoside, methyl alpha-D-mannoside, raffinose, rhamnose, sorbitol, sorbose, sucrose, D-tagatose,
trehalose, turanose, methyl D-xyloside, xylitol, D- and L-xylose.
glycerol, glycogen, maltose, ribose, salicin (weak) and starch.
Can utilize as sole carbon or nitrogen sources: cellobiose, DL-malic acid, starch, trehalose, D-xylose, xylan, L-arabinose, aluminium
nitrate, potassium nitrate, magnesium nitrate, sodium nitrate and ammonium sulfate.
Negative results for arginine dihydrolase, citrate utilization, gelatinase, beta-galactosidase, H2S production, indole production, lysine
decarboxylase, nitrate reduction, ornithine decarboxylase, oxidase, tryptophan deaminase, urease, Voges-Proskauer test, acid
production from: adonitol, D- and L-arabinose, D- and L-arabitol, arbutin, amygdalin, cellobiose, dulcitol, erythrol, fructose, D- and L-
fucose, galactose, gentiobiose, gluconate, 2- and 5-ketogluconate, inositol, inulin, lactose, D-lyxose, mannitol, mannose, melezitose,
melibiose, methyl alpha-D-glucoside, methyl alpha-D-mannoside, raffinose, rhamnose, sorbitol, sorbose, sucrose, D-tagatose,
trehalose, turanose, methyl D-xyloside, xylitol, D- and L-xylose.
(c) Costin Stoica
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