| Bacillus salacetis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus salacetis Daroonpunt
et al. 2019.
Species description is based on a single isolate.
et al. 2019.
Species description is based on a single isolate.
Gram-positive rods, 0.6-1.0 x 1.4-2.9 µm. Motile by peritrichous flagella. Produce
central ellipsoidal endospores in unswollen sporangia.
central ellipsoidal endospores in unswollen sporangia.
Colonies are slightly irregular, pale yellow in colour (1-2 mm in diameter) after growth
on modified JCM medium no. 377 agar at 37 ºC for 2 days. Growth occurs at 20-40 ºC
(optimally at 37 ºC,) at pH 6-9 (optimally at pH 7) and at 0-15% (w/v) NaCl (optimally
at 1-3% NaCl). Strictly aerobic.
on modified JCM medium no. 377 agar at 37 ºC for 2 days. Growth occurs at 20-40 ºC
(optimally at 37 ºC,) at pH 6-9 (optimally at pH 7) and at 0-15% (w/v) NaCl (optimally
at 1-3% NaCl). Strictly aerobic.
Isolated from shrimp paste collected from Samut Sakhon province, Thailand.
Sensitive to: amikacin, amoxycilin, ampicillin, cefepime, ceftriaxone, cefotaxime, cefoxitine, chloramphenicol, clindamycin, ertapenem,
erythromycin, gentamicin, imipenem, kanamycin, levofloxacin, netilmicin, nitrofurantoin, novobiocin, polymyxin B, rifampicin,
sulfomethoxazole/trimetroprim, piperacillin/tazobactam, tetracycline and vancomycin.
Sensitive to: amikacin, amoxycilin, ampicillin, cefepime, ceftriaxone, cefotaxime, cefoxitine, chloramphenicol, clindamycin, ertapenem,
erythromycin, gentamicin, imipenem, kanamycin, levofloxacin, netilmicin, nitrofurantoin, novobiocin, polymyxin B, rifampicin,
sulfomethoxazole/trimetroprim, piperacillin/tazobactam, tetracycline and vancomycin.
Undetermined.
- Daroonpunt R, Yiamsombut S, Sitdhipol J, Tanasupawat S. Bacillus salacetis sp. nov., a slightly halophilic bacterium from Thai
shrimp paste (Ka-pi). Int J Syst Evol Microbiol 2019; 69:1162-1168.
Positive results for alkaline phosphatase, alpha-chymotrypsin, cystine arylamidase, catalase, esterase (C4), esterase lipase (C8),
gelatinase (negative in API 20NE), beta-galactosidase (sometimes weak), alpha- and beta-glucosidase,
naphthol-AS-Bl-phosphohydrolase, leucine arylamidase, oxidase, starch hydrolysis, trypsin (weak), urease, valine arylamidase, acid
production from: aesculin, arbutin, cellobiose, D-glucose, lactose, maltose, salicin, starch (weak) and D-trehalose.
Can utilize (API 20NE): L-arabinose (weakly), apidic acid, capric acid, D-glucose, N-acetyl-glucosamine, malic acid, maltose,
D-mannitol, D-mannose, phenylacetic acid, potassium gluconate and trisodium citrate.
Negative results for acid phosphatase, arginine dihydrolase, citrate utilization, alpha-fucosidase, alpha-galactosidase,
beta-glucuronidase, indole production, lipase (C14), N-acetyl-beta-glucosaminidase, alpha-mannosidase, nitrate reduction,
protease, hydrolysis of Tween 80, acid production from: N-acetylglucosamine, amygdalin, D-adonitol, D- and L-arabinose, D- and
L-arabitol, arbutin, dulcitol, erythritol, D-fructose, D- and L-fucose, D-galactose, gentiobiose, glycerol, glycogen, inositol, inulin,
gluconate, 2- and 5-ketogluconate, D-lyxose, D-mannitol, D-mannose, melezitose, melibiose, methyl alpha-D-glucopyranoside,
methyl alpha-D-mannopyranoside, methyl beta-D-xyopyranoside, raffinose, D-ribose, L-rhamnose, D-sorbitol, L-sorbose, sucrose,
D-tagatose, turanose, xylitol, D- and L-xylose.
gelatinase (negative in API 20NE), beta-galactosidase (sometimes weak), alpha- and beta-glucosidase,
naphthol-AS-Bl-phosphohydrolase, leucine arylamidase, oxidase, starch hydrolysis, trypsin (weak), urease, valine arylamidase, acid
production from: aesculin, arbutin, cellobiose, D-glucose, lactose, maltose, salicin, starch (weak) and D-trehalose.
Can utilize (API 20NE): L-arabinose (weakly), apidic acid, capric acid, D-glucose, N-acetyl-glucosamine, malic acid, maltose,
D-mannitol, D-mannose, phenylacetic acid, potassium gluconate and trisodium citrate.
Negative results for acid phosphatase, arginine dihydrolase, citrate utilization, alpha-fucosidase, alpha-galactosidase,
beta-glucuronidase, indole production, lipase (C14), N-acetyl-beta-glucosaminidase, alpha-mannosidase, nitrate reduction,
protease, hydrolysis of Tween 80, acid production from: N-acetylglucosamine, amygdalin, D-adonitol, D- and L-arabinose, D- and
L-arabitol, arbutin, dulcitol, erythritol, D-fructose, D- and L-fucose, D-galactose, gentiobiose, glycerol, glycogen, inositol, inulin,
gluconate, 2- and 5-ketogluconate, D-lyxose, D-mannitol, D-mannose, melezitose, melibiose, methyl alpha-D-glucopyranoside,
methyl alpha-D-mannopyranoside, methyl beta-D-xyopyranoside, raffinose, D-ribose, L-rhamnose, D-sorbitol, L-sorbose, sucrose,
D-tagatose, turanose, xylitol, D- and L-xylose.
(c) Costin Stoica
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