| Faecalibacillus intestinalis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Erysipelotrichia, Order Erysipelothrichales, Family Erysipelotrichaceae, Genus Faecalibacillus,
Faecalibacillus intestinalis Seo et al. 2019, type species of the genus.
Species description is based on a single isolate.
Faecalibacillus intestinalis Seo et al. 2019, type species of the genus.
Species description is based on a single isolate.
Gram-positive, long rods, 0.3-0.4 x 3.5–4.5 µm. Non-spore-forming. Non-motile.
Colonies show ivory colour with 1-2mm in diameter on YBHI agar. Optimal pH is 6.0,
optimal growth temperature is 37 ºC. Obligate anaerobic.
optimal growth temperature is 37 ºC. Obligate anaerobic.
Isolated from a faecal sample collected from a healthy woman, in Korea.
Undetermined.
- Seo B, Jeon K, Baek I, Lee YM, Baek K, Ko G. Faecalibacillus intestinalis gen. nov., sp. nov. and Faecalibacillus faecis sp. nov.,
isolated from human faeces. Int J Syst Evol Microbiol 2019; 69:2120-2128.
Positive results for acid phosphatase, arginine arylamidase, glycine arylamidase, histidine arylamidase, leucyl glycine arylamidase,
naphtol-AS-BI-phosphohydrolase, pyroglutamic acid arylamidase, acid production from: D-glucose (weak), maltose (weak),
cellobiose, lactose, sucrose and salicin.
Negative results for alkaline phosphatase, arginine dihydrolase, alpha-arabinosidase, alanine arylamidase, catalase, cystine
arylamidase, alpha-chymotrypsin, aesculin hydrolysis, esterase (C4), esterase (C8), alpha-fucosidase, alpha- and
beta-galactosidase, beta-galactosidase-6-phosphate, beta-glucuronidase, glutamic acid decarboxylase, gelatin hydrolysis, indole
production, lipase (C14), leucine arylamidase, alpha-mannosidase, proline arylamidase, phenylalanine arylamidase, serine
arylamidase, trypsin, urease, valine arylamidase, acid production from: D-mannitol, D-mannose, melezitose, raffinose, D-rhamnose,
D-sorbitol, trehalose, D-xylose, L-arabinose and glycerol.
Variable results for alkaline phosphatase, alpha- and beta-glucosidase and N-acetyl-beta-glucosaminidase.
naphtol-AS-BI-phosphohydrolase, pyroglutamic acid arylamidase, acid production from: D-glucose (weak), maltose (weak),
cellobiose, lactose, sucrose and salicin.
Negative results for alkaline phosphatase, arginine dihydrolase, alpha-arabinosidase, alanine arylamidase, catalase, cystine
arylamidase, alpha-chymotrypsin, aesculin hydrolysis, esterase (C4), esterase (C8), alpha-fucosidase, alpha- and
beta-galactosidase, beta-galactosidase-6-phosphate, beta-glucuronidase, glutamic acid decarboxylase, gelatin hydrolysis, indole
production, lipase (C14), leucine arylamidase, alpha-mannosidase, proline arylamidase, phenylalanine arylamidase, serine
arylamidase, trypsin, urease, valine arylamidase, acid production from: D-mannitol, D-mannose, melezitose, raffinose, D-rhamnose,
D-sorbitol, trehalose, D-xylose, L-arabinose and glycerol.
Variable results for alkaline phosphatase, alpha- and beta-glucosidase and N-acetyl-beta-glucosaminidase.
(c) Costin Stoica
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