| Turicibacter faecis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Erysipelotrichia, Order Erysipelothrichales, Family Turicibacteraceae, Genus Turicibacter,
Turicibacter faecis Imamura et al. 2024.
Species description is based on a single isolate.
Turicibacter faecis Imamura et al. 2024.
Species description is based on a single isolate.
Gram-positive, irregular rods, 0.5-1.5 x 0.7-5.0 µm. Spore-forming. Non-motile.
Colonies on chocolate–blood agar media appear greyish- white with convex
elevations. The type strain grows at 32-42 ºC (optimal at 37 ºC) and pH 6.5-8.0
(optimal at pH 7.5). Grow well on BHI medium with 0.1% sodium taurocholate,
chocolate, and sheep blood agar media, but not in BHI, MacConkey, or Reasoner's 2A
media. Anaerobic.
elevations. The type strain grows at 32-42 ºC (optimal at 37 ºC) and pH 6.5-8.0
(optimal at pH 7.5). Grow well on BHI medium with 0.1% sodium taurocholate,
chocolate, and sheep blood agar media, but not in BHI, MacConkey, or Reasoner's 2A
media. Anaerobic.
Isolated from a mouse faecal sample.
Undetermined.
- Imamura Y, Motooka D, Nakajima Y, Ito S, Kitakaze M, Iida T, Nakamura S. Turicibacter faecis sp. nov., isolated from faeces of
heart failure mouse model. Int J Syst Evol Microbiol 2024; 74:6379.
Positive results for acid and alkaline phosphatase, aesculin hydrolysis, esterase (C4), esterase lipase (C8), alpha- and
beta-galactosidase, alpha- and beta-glucosidase, naphthol-AS-BI phosphohydrolase, pyroglutamic acid allyl amidase, acid
production from: glucose, lactose, sucrose, maltose, and raffinose.
Negative results for arginine hydrolysis, catalase, alpha-fucosidase, gelatin hydrolysis, cystine arylamidase, beta-glucuronidase,
N-acetyl-beta-glucosaminidase, indole production, lipase (C14), leucine arylamidase, nitrate reduction, alpha-mannosidase,
oxidase, trypsin, alpha-chymotrypsin, urease, valine arylamidase, acid production from: L-arabinose, glycerol, D-mannose,
melezitose, D-mannitol, L- rhamnose, D-sorbitol, trehalose and D-xylose.
In the API 50CH tests, cells assimilate only D-ribose, aesculin ferric citrate, D-tagatose, and 5-ketogluconate.
Contradictory results for alpha-glucosidase (admin note).
beta-galactosidase, alpha- and beta-glucosidase, naphthol-AS-BI phosphohydrolase, pyroglutamic acid allyl amidase, acid
production from: glucose, lactose, sucrose, maltose, and raffinose.
Negative results for arginine hydrolysis, catalase, alpha-fucosidase, gelatin hydrolysis, cystine arylamidase, beta-glucuronidase,
N-acetyl-beta-glucosaminidase, indole production, lipase (C14), leucine arylamidase, nitrate reduction, alpha-mannosidase,
oxidase, trypsin, alpha-chymotrypsin, urease, valine arylamidase, acid production from: L-arabinose, glycerol, D-mannose,
melezitose, D-mannitol, L- rhamnose, D-sorbitol, trehalose and D-xylose.
In the API 50CH tests, cells assimilate only D-ribose, aesculin ferric citrate, D-tagatose, and 5-ketogluconate.
Contradictory results for alpha-glucosidase (admin note).
(c) Costin Stoica
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