| Polygonibacillus indicireducens |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Caryophanales, Family Bacillaceae, Genus Bacillus, Polygonibacillus indicireducens
Hirota et al. 2016, type species of the genus.
Hirota et al. 2016, type species of the genus.
Gram-positive rods, 0.4-0.8 x 1.6-6.4 µm. Motile by peritrichous flagella. Produce
subterminal to central, ellipsoidal endospores, not swelling the sporangia.
subterminal to central, ellipsoidal endospores, not swelling the sporangia.
Colonies are circular, slightly convex, creamy white and 1-2.5 mm in diameter after 2
days of growth on PYG agar medium. Grows at 10-45 ºC (optimum, 35-37 ºC), pH
8-12 (optimum, pH 10) and with 0-10% (w/v) NaCl (optimum, 3%). Facultatively
anaerobic.
days of growth on PYG agar medium. Grows at 10-45 ºC (optimum, 35-37 ºC), pH
8-12 (optimum, pH 10) and with 0-10% (w/v) NaCl (optimum, 3%). Facultatively
anaerobic.
Isolated from a fermented Polygonum indigo (Polygonum tinctorium Lour.) liquor sample obtained from a craft centre in Date City,
Hokkaido, Japan.
Hokkaido, Japan.
Undetermined.
- Hirota K, Okamoto T, Matsuyama H, Yumoto I. Polygonibacillus indicireducens gen. nov., sp. nov., an indigo-reducing and obligate
alkaliphile isolated from indigo fermentation liquor for dyeing. Int J Syst Evol Microbiol 2016; 66:4650-4656. - Liu R, Huang Z, Dong C, Shao Z. Lottiidibacillus patelloidae gen. nov., sp. nov., isolated from the intestinal tract of a marine limpet
and reclassification of Bacillus taeanensis as Maribacillus taeanensis gen. nov., comb. nov. Antonie Van Leeuwenhoek 2019; 112:
797-807.
Positive results for alkaline phosphatase, catalase, caseinase, aesculin hydrolysis, esterase (C4), esterase-lipase (C8), gelatinase,
leucine arylamidase, naphthol-AS-BI-phosphorylase, nitrate reduction, oxidase, starch hydrolysis, Tween 20 hydrolysis, and valine
arylamidase.
Negative results for acid phosphatase, citrate utilization, cysteine arylamidase, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, lipase (C14), alpha-mannosidase, N-acetyl-beta-glucosaminidase, trypsin,
Tween 40, 60, 80 hydrolysis. Acid is not produced from carbohydrates in API 50CH tests except D-fructose.
Variable results for acid production from D-fructose.
leucine arylamidase, naphthol-AS-BI-phosphorylase, nitrate reduction, oxidase, starch hydrolysis, Tween 20 hydrolysis, and valine
arylamidase.
Negative results for acid phosphatase, citrate utilization, cysteine arylamidase, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, lipase (C14), alpha-mannosidase, N-acetyl-beta-glucosaminidase, trypsin,
Tween 40, 60, 80 hydrolysis. Acid is not produced from carbohydrates in API 50CH tests except D-fructose.
Variable results for acid production from D-fructose.
(c) Costin Stoica
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