| Priestia qingshengii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Priestia, Priestia qingshengii (Xi et al.
2014) Gupta et al. 2020.
Synonym: Bacillus qingshengii Xi et al. 2014.
Species description is based on a single isolate.
2014) Gupta et al. 2020.
Synonym: Bacillus qingshengii Xi et al. 2014.
Species description is based on a single isolate.
Gram-positive rods, 2 x 10 µm. Non-motile. Produce ellipsoidal endospores.
Colonies are circular and white pigmented with a colony diameter of 5 mm after growth
on LB agar at 30 ºC for 2 days. Growth occurs at 4-45 ºC (optimal 30 ºC), at pH 4.0-8.0
(optimum pH 7.0) and in 0-10% (w/v) NaCl (optimum 0-1% NaCl). Not resistant to UV
radiation. Can weather tuff and release Fe, Si and Al from tuff. Aerobic.
on LB agar at 30 ºC for 2 days. Growth occurs at 4-45 ºC (optimal 30 ºC), at pH 4.0-8.0
(optimum pH 7.0) and in 0-10% (w/v) NaCl (optimum 0-1% NaCl). Not resistant to UV
radiation. Can weather tuff and release Fe, Si and Al from tuff. 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.
- Xi J, He LY, Huang Z, Sheng XF. Bacillus qingshengii sp. nov., a rock-weathering bacterium isolated from weathered rock surface.
Int J Syst Evol Microbiol 2014; 64:2473-2479. - 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 alkaline phosphatase, acid phosphatase (weak), catalase, esterase (C4), esterase lipase (C8), chymotrypsin,
aesculin hydrolysis, gelatinase, alpha-glucosidase (weak), beta-glucosidase, alpha- and beta-galactosidase, beta-glucuronidase,
H2S production, naphthol-AS-BI-phosphate hydrolase, oxidase, starch hydrolysis, urease, acid production (API 50 CHB/E) from:
N-acetylglucosamine, amygdalin, L-arabinose, arbutin, aesculin ferric citrate, cellobiose, D-fructose, D-glucose, glycerol, glycogen,
gentiobiose, inositol, inulin, lactose, maltose, D-mannitol, melibiose, raffinose, D-ribose, salicin, D-sorbitol, sucrose, starch,
trehalose, turanose and D-xylose.
Can utilize (API 20 NE): D-glucose, L-arabinose, L-mannitol, N-acetyl-D-glucosamine, maltose, potassium gluconate, malate and
sodium citrate.
Negative results for caseinase, cystine arylamidase, indole production, lipase (C14), leucine arylamidase, nitrate reduction,
N-acetyl-beta-glucosaminidase, alpha-mannosidase, Tween 20 and 80 hydrolysis, trypsin, valine arylamidase, Voges-Proskauer
test, xylan hydrolysis, acid production from: D-arabinose, dulcitol, D-fucose, D-galactose, melezitose and methyl
alpha-D-glucopyranoside.
aesculin hydrolysis, gelatinase, alpha-glucosidase (weak), beta-glucosidase, alpha- and beta-galactosidase, beta-glucuronidase,
H2S production, naphthol-AS-BI-phosphate hydrolase, oxidase, starch hydrolysis, urease, acid production (API 50 CHB/E) from:
N-acetylglucosamine, amygdalin, L-arabinose, arbutin, aesculin ferric citrate, cellobiose, D-fructose, D-glucose, glycerol, glycogen,
gentiobiose, inositol, inulin, lactose, maltose, D-mannitol, melibiose, raffinose, D-ribose, salicin, D-sorbitol, sucrose, starch,
trehalose, turanose and D-xylose.
Can utilize (API 20 NE): D-glucose, L-arabinose, L-mannitol, N-acetyl-D-glucosamine, maltose, potassium gluconate, malate and
sodium citrate.
Negative results for caseinase, cystine arylamidase, indole production, lipase (C14), leucine arylamidase, nitrate reduction,
N-acetyl-beta-glucosaminidase, alpha-mannosidase, Tween 20 and 80 hydrolysis, trypsin, valine arylamidase, Voges-Proskauer
test, xylan hydrolysis, acid production from: D-arabinose, dulcitol, D-fucose, D-galactose, melezitose and methyl
alpha-D-glucopyranoside.
(c) Costin Stoica
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