| Bacillus piscicola |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Bacillus piscicola Daroonpunt
et al. 2016.
Species description is based on a single isolate.
et al. 2016.
Species description is based on a single isolate.
Gram-positive rods, 0.64-0.81 x 1.4-3.7 µm. Motile by peritrichous flagella. Produce
central / subterminal, ellipsoidal endospores in unswollen sporangia.
central / subterminal, ellipsoidal endospores in unswollen sporangia.
Colonies are circular to slightly irregular, cream in colour and 1-2 mm in diameter
after growth on modified JCM medium no. 377 agar at 30 ºC for 3 days. Growth occurs
at 21-48 ºC (optimally at 37 ºC,) at pH 5-10 (optimally at pH 7.5) and at 0-15% (w/v)
NaCl (optimally at 1-3% NaCl). Strictly aerobic.
after growth on modified JCM medium no. 377 agar at 30 ºC for 3 days. Growth occurs
at 21-48 ºC (optimally at 37 ºC,) at pH 5-10 (optimally at pH 7.5) and at 0-15% (w/v)
NaCl (optimally at 1-3% NaCl). Strictly aerobic.
Isolated from fish sauce (Nam-pla) collected from a factory in Chonburi province, Thailand.
Susceptible to amikacin, amoxycilin, cefepime, cefliaxone, cefotaxime, cefoxitine, chloramphenicol, clindamycin, ertapenem,
erythromycin, gentamicin, imipenem, kanamycin, levofloxacin, netilmicin, nitrofurantoin, penicillin G, polymyxin B, rifampicin,
sulfomethoxazole, tazobactam and tetracycline.
Susceptible to amikacin, amoxycilin, cefepime, cefliaxone, cefotaxime, cefoxitine, chloramphenicol, clindamycin, ertapenem,
erythromycin, gentamicin, imipenem, kanamycin, levofloxacin, netilmicin, nitrofurantoin, penicillin G, polymyxin B, rifampicin,
sulfomethoxazole, tazobactam and tetracycline.
Undetermined.
- Daroonpunt R, Itoh T, Kudo T, Ohkuma M, Tanasupawat S. Bacillus piscicola sp. nov., isolated from Thai fish sauce (Nam-pla). Int J
Syst Evol Microbiol 2016; 66:1151-1155.
Positive results for acid and alkaline phosphatase, catalase, alpha-chymotrypsin, esterase (C4), esterase lipase (C8), leucine
arylamidase, naphthol-AS-BI-phosphohydrolase, oxidase and valine arylamidase.
Negative results for acid phosphatase, arginine dihydrolase, caseinase, cystine arylamidase, alpha-fucosidase, gelatinase, alpha-
and beta-galactosidase, N-acetyl-beta-glucosaminidase, alpha- and beta-glucosidase, beta-glucuronidase, lipase (C14),
alpha-mannosidase, nitrate reduction, starch hydrolysis, trypsin, Tween 80 hydrolysis, acid production from: L-arabinose, cellobiose,
D-fructose, D-galactose, D-glucose, methyl alpha-D-glucoside, glycerol, myo-inositol, lactose, maltose, D-mannitol, D-mannose,
melezitose, melibiose, raffinose, L-rhamnose, D-ribose, D-sorbitol, sucrose, trehalose or D-xylose.
arylamidase, naphthol-AS-BI-phosphohydrolase, oxidase and valine arylamidase.
Negative results for acid phosphatase, arginine dihydrolase, caseinase, cystine arylamidase, alpha-fucosidase, gelatinase, alpha-
and beta-galactosidase, N-acetyl-beta-glucosaminidase, alpha- and beta-glucosidase, beta-glucuronidase, lipase (C14),
alpha-mannosidase, nitrate reduction, starch hydrolysis, trypsin, Tween 80 hydrolysis, acid production from: L-arabinose, cellobiose,
D-fructose, D-galactose, D-glucose, methyl alpha-D-glucoside, glycerol, myo-inositol, lactose, maltose, D-mannitol, D-mannose,
melezitose, melibiose, raffinose, L-rhamnose, D-ribose, D-sorbitol, sucrose, trehalose or D-xylose.
(c) Costin Stoica
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