| Fundicoccus ignavus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Aerococcaceae, Genus Fundicoccus, Fundicoccus ignavus
Siebert et al. 2020.
Siebert et al. 2020.
Gram-positive cocci, 1-2 µm, occuring as single cells, in pairs or chains. Non-motile.
Non-spore-forming.
Non-spore-forming.
Show strong alpha-haemolysis on 5% sheep blood agar. The optimal growth
conditions are at 29-33 ºC, pH 7.5-8.0 and 0.5-1% (w/v) NaCl. Growth occurs at 12-39
ºC with one strain only growing up to 37 ºC. Strains grow at pH 6.5-9.5, some of them
are able to grow in the presence of up to 6.5% (w/v) NaCl. Facultatively anaerobic.
conditions are at 29-33 ºC, pH 7.5-8.0 and 0.5-1% (w/v) NaCl. Growth occurs at 12-39
ºC with one strain only growing up to 37 ºC. Strains grow at pH 6.5-9.5, some of them
are able to grow in the presence of up to 6.5% (w/v) NaCl. Facultatively anaerobic.
Isolated from bulk tank milk in Germany. Possibly isolated from horse blood.
Undetermined.
- Siebert A, Huptas C, Wenning M, Scherer S, Doll EV. Fundicoccus ignavus gen. nov., sp. nov., a novel genus of the family
Aerococcaceae isolated from bulk tank milk. Int J Syst Evol Microbiol 2020; 70:4774-4781. - Tu Z, Lopes HFS, Yumoto I. Fundicoccus fermenti sp. nov., an indigo-reducing facultative anaerobic alkaliphile isolated from indigo
fermentation liquor used for dyeing. Int J Syst Evol Microbiol 2022; 72:5239.
Positive results for arginine dihdyrolase, alpha-galactosidase (weak), beta-galactosidase (only with resorufin beta-D-galactopyranoside
as substrate) and hydrolysis of hippurate.
Negative results for alanyl-phenylalanyl-proline-arylamidase, alkaline phosphatase, catalase, esculin hydrolysis, gelatinase,
beta-glucuronidase, glycyl-tryptophanarylamidase, N-acetyl-beta-glucosaminidase, H2S production, indole production,
beta-mannosidase, nitrate reduction, oxidase, pyroglutamic acid arylamidase, starch hydrolysis, urease, Voges-Proskauer test, acid
production from any of the 47 carbohydrates tested with the API 50 CH system.
Contradictory results for alkaline phosphatase and acid production from: amygdalin, arbutin, D-fructose, D-glucose, inulin, D-mannose,
N-acetyl-glucosamine, maltose, D-ribose, starch, sucrose, trehalose, turanose and D-xylose.
Variable results for beta-glucosidase.
as substrate) and hydrolysis of hippurate.
Negative results for alanyl-phenylalanyl-proline-arylamidase, alkaline phosphatase, catalase, esculin hydrolysis, gelatinase,
beta-glucuronidase, glycyl-tryptophanarylamidase, N-acetyl-beta-glucosaminidase, H2S production, indole production,
beta-mannosidase, nitrate reduction, oxidase, pyroglutamic acid arylamidase, starch hydrolysis, urease, Voges-Proskauer test, acid
production from any of the 47 carbohydrates tested with the API 50 CH system.
Contradictory results for alkaline phosphatase and acid production from: amygdalin, arbutin, D-fructose, D-glucose, inulin, D-mannose,
N-acetyl-glucosamine, maltose, D-ribose, starch, sucrose, trehalose, turanose and D-xylose.
Variable results for beta-glucosidase.
(c) Costin Stoica
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