| Amedibacillus hominis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Erysipelotrichia, Order Erysipelothrichales, Family Erysipelotrichaceae, Genus Amedibacillus,
Amedibacillus hominis Abdugheni et al. 2023.
Species description is based on a single isolate.
Amedibacillus hominis Abdugheni et al. 2023.
Species description is based on a single isolate.
Gram-negative rods. Non-motile. Non-spore-forming.
Colonies are 2-3 mm in diameter after 2 days of incubation at 37 ºC on mGAM agar
plates, white, convex, circular, entire, opaque and smooth. Grows at the temperature
range of 30-45 ºC (optimum 37 ºC), and at pH 6.0-7.5 (optimum pH, 6.5-7.0). Cells
tolerate 0-4.5% (w/v) NaCl. No aerobic growth.
plates, white, convex, circular, entire, opaque and smooth. Grows at the temperature
range of 30-45 ºC (optimum 37 ºC), and at pH 6.0-7.5 (optimum pH, 6.5-7.0). Cells
tolerate 0-4.5% (w/v) NaCl. No aerobic growth.
Isolated from a faecal sample from a healthy Chinese adult.
Susceptible to cefixime, amoxicillin, chloromycetin, ciprofloxacin, cefoperazone, carbenicillin, penicillin, clindamycin, polymyxin,
bacitracin, vancomycin, tetracycline and ampicillin. Resistant to azithromycin, rifampin, kanamycin, streptomycin, erythromycin and
clarithromycin.
Susceptible to cefixime, amoxicillin, chloromycetin, ciprofloxacin, cefoperazone, carbenicillin, penicillin, clindamycin, polymyxin,
bacitracin, vancomycin, tetracycline and ampicillin. Resistant to azithromycin, rifampin, kanamycin, streptomycin, erythromycin and
clarithromycin.
Undetermined.
- Abdugheni R, Li DH, Wang YJ, Du MX, Zhou N, Liu C, Liu SJ. Acidaminococcus homini s sp. nov., Amedibacillus hominis sp. nov.,
Lientehia hominis gen. nov. sp. nov., Merdimmobilis hominis gen. nov. sp. nov., and Paraeggerthella hominis sp. nov., isolated
from human faeces. Int J Syst Evol Microbiol 2023; 73:5648.
Positive results for arginine dihydrolase, arginine arylamidase, esterase (C4), lipid esterase (C8), acid phosphatase and naphthol-AS-
BI-phosphorylase.
Can assimilate (Biolog AN MicroPlates): adonitol, D-arabitol, cellobiose, alpha-cyclodextrin, i-erythritol, D-fructose, L-fucose, D-
galactose, D-galacturonic acid, gentiobiose, glucose-6-phosphate, D-glucosaminic acid, alpha-D-glucose, myo-inositol, lactose,
lactulose, maltose, maltotriose, D-mannose, melibiose, 3-methyl D-glucose, palatinose, L-rhamnose, turanose, glyoxylic acid, pyruvic
acid and pyruvic acid methyl ester.
Negative results for alkaline phosphatase, esterase (C14), alanine aromatase, valine arilamidase, cystine arylaminase, tryptase,
chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase, alpha-mannosidase, beta-
fucosidase, urease, 6-phospho-β-galactosidase, alpha-arabinosidase, N-acetyl-beta-glucosaminidase, glutamic acid decarboxylase,
alpha-fucosidase, reduction of nitrates, indole production, proline arylamidase, leucyl glycine arylamidase, phenylalanine arylamidase,
leucine arylamidase, pyroglutamic acid arylamidase, tyrosine arylamidase, alanine arylamidase, glycine arylamidase, histidine
arylamidase, glutamyl glutamic acid arylamidase, serine arylamidase, acid production from mannose and raffinose.
BI-phosphorylase.
Can assimilate (Biolog AN MicroPlates): adonitol, D-arabitol, cellobiose, alpha-cyclodextrin, i-erythritol, D-fructose, L-fucose, D-
galactose, D-galacturonic acid, gentiobiose, glucose-6-phosphate, D-glucosaminic acid, alpha-D-glucose, myo-inositol, lactose,
lactulose, maltose, maltotriose, D-mannose, melibiose, 3-methyl D-glucose, palatinose, L-rhamnose, turanose, glyoxylic acid, pyruvic
acid and pyruvic acid methyl ester.
Negative results for alkaline phosphatase, esterase (C14), alanine aromatase, valine arilamidase, cystine arylaminase, tryptase,
chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase, alpha-mannosidase, beta-
fucosidase, urease, 6-phospho-β-galactosidase, alpha-arabinosidase, N-acetyl-beta-glucosaminidase, glutamic acid decarboxylase,
alpha-fucosidase, reduction of nitrates, indole production, proline arylamidase, leucyl glycine arylamidase, phenylalanine arylamidase,
leucine arylamidase, pyroglutamic acid arylamidase, tyrosine arylamidase, alanine arylamidase, glycine arylamidase, histidine
arylamidase, glutamyl glutamic acid arylamidase, serine arylamidase, acid production from mannose and raffinose.
(c) Costin Stoica
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