Bacillus polygoni
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Bacillaceae, Genus Bacillus, Bacillus polygoni  Aino, Hirota,Matsuno,
Morita, Nodasaka, Fujiwarw, Matsuyama, Yoshimune and Yumoto 2008.

Description of a single isolate.
Gram positive, straight rods, 0.4-0.5 x 1.0-3.5 µm. Produce central, ellipsoidal
endospores in unswollen sporangia. Nonmotile.
Colonies are  white, circular when grown on PYA medium. Moderately halophilic and  
obligately alkaliphilic. Grow at pH 8-12 (optimum pH 9), in 3-14% NaCl media
(optimum 7%) and at 13-47 ºC (optimum 30 ºC). NaCl is required for growth. Aerobic;
no anaerobic growth.
Isolated from indigo balls (fermentation of Polygonum tinctorium / Persicaria tinctoria), Ibaraki, Japan.
Undetermined.
  1. Aino K., Hirota K., Matsuno T., Morita N., Nodasaka Y., Fujiwara T., Matsuyama H., Yoshimune K. and Yumoto I., 2008. Bacillus
    polygoni sp. nov., a moderately halophilic, non-motile obligate alkaliphile isolated from indigo balls. IJSEM 58, 120-124.
Positive results for catalase, nitrate reduction, beta-galactosidase, hydrolysis of casein, hydrolysis of Tween 20, 40, 60 & 80, acid
production (when grown at pH 10) from: D-arabinose, fructose, D-mannitol,
D-mannose, glycerol, D-glucose, myo-inositol, maltose,
raffinose, sucrose & D-xylose.

Negative results for oxidase, indole production H
2S production, deamination of phenylalanine, hydrolysis of esculin, hydrolysis of
hippurate, hydrolysis of gelatin, hydrolysis of starch, hydrolysis of cellulose, hydrolysis of xylan, acid production (when grown at pH 10)
from: erythritol, galactose,  lactose, melibiose, rhamnose, sorbitol, salicin &  xylitol.
(c) Costin Stoica
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