| Pediococcus siamensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Pediococcus, Pediococcus
siamensis Tanasupawat et al. 2007.
Species description is based on a single isolate.
siamensis Tanasupawat et al. 2007.
Species description is based on a single isolate.
Gram-positive cocci, 0.5-0.7 µm in diameter, occuring singly, in pairs and tetrads.
Non-motile.
Non-motile.
Colonies are circular, white, low convex with entire margin, less than 0.5 mm in
diameter, and not pigmented. Growth occurs at 15-45 ºC, optimally at 30 ºC. Grows at
pH 8.0 and 8.5, not at pH 3.5. Grows in 4% NaCl, not in 6% or 8% NaCl.
diameter, and not pigmented. Growth occurs at 15-45 ºC, optimally at 30 ºC. Grows at
pH 8.0 and 8.5, not at pH 3.5. Grows in 4% NaCl, not in 6% or 8% NaCl.
Isolated from fermented tea leaves (miang) produced in the northern part of Thailand.
Undetermined.
- Tanasupawat S, Pakdeeto A, Thawai C, Yukphan P, Okada S. Identification of lactic acid bacteria from fermented tea leaves
(miang) in Thailand and proposals of Lactobacillus thailandensis sp. nov., Lactobacillus camelliae sp. nov., and Pediococcus
siamensis sp. nov. J Gen Appl Microbiol 2007; 53:7-15.
Homofermentative.
Positive results for esculin hydrolysis, acid production from D-amygdalin, cellobiose, esculin, D-fructose, D-galactose, glucose
(without gas production), lactose, D-mannose, salicin, and trehalose.
Negative results for arginine hydrolysis, catalase, nitrate reduction, acid production from L-arabinose, gluconate, maltose,
D-mannitol, melezitose, alpha-methyl-D-glucoside, raffinose, rhamnose, D-ribose, sorbitol, sucrose, and D-xylose.
Positive results for esculin hydrolysis, acid production from D-amygdalin, cellobiose, esculin, D-fructose, D-galactose, glucose
(without gas production), lactose, D-mannose, salicin, and trehalose.
Negative results for arginine hydrolysis, catalase, nitrate reduction, acid production from L-arabinose, gluconate, maltose,
D-mannitol, melezitose, alpha-methyl-D-glucoside, raffinose, rhamnose, D-ribose, sorbitol, sucrose, and D-xylose.
(c) Costin Stoica
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