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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Firmicutes => Bacilli => Lactobacillales => Staphylococcaceae => Gemella => Gemella cuniculi Hoyles et al. 2000.
Gram-positive, non-motile, ovoid-shaped cells.
On horse blood agar is producing a beta-haemolytic reaction. Non-pigmented.
Facultatively anaerobic, growth at 37.0 °C, no growth at 10 or 45 °C. No growth in
6.5% NaCl broth. Bile esculin negative. Growth on : Mueller-Hinton agar, trypticase
soy agar or Columbia agar, supplemented with blood (5–7%), serum (5–10%) or
ascitic fluid (10–20%).
Facultatively anaerobic, growth at 37.0 °C, no growth at 10 or 45 °C. No growth in
6.5% NaCl broth. Bile esculin negative. Growth on : Mueller-Hinton agar, trypticase
soy agar or Columbia agar, supplemented with blood (5–7%), serum (5–10%) or
ascitic fluid (10–20%).
Isolated from a submandibular abscess of a rabbit.
Opportunistic pathogen. Strain isolated from mixed infection along with Fusobacterium necrophorum, Prevotella melaninogenica and
Peptostreptococcus.
Peptostreptococcus.
- Hoyles L., Foster G., Falsen E. Collins M.D.: Characterization of a Gemella-like organism isolated from an abscess of a rabbit:
description of Gemella cuniculi sp. nov. Int. J. Syst. Evol. Microbiol. 2000, 50, 2037-2041. - Martin Dworkin, Stanley Falkow, Eugene Rosenberg, Karl-Heinz Schleifer, Erko Stackebrandt (Editors).: The Prokaryotes 3rd
ed.: A Handbook on the Biology of Bacteria Volume 4: Bacteria: Firmicutes, Cyanobacteria, 2006
Acid produced from glucose, mannitol & sorbitol. Acid phosphatase, alkaline
phosphatase, ester lipase C8 (weak), phosphoaminidase & pyrazinamidase = positive.
Acid not produced from L-arabinose, D-arabitol, cyclodextrin, glycogen, melibiose,
melezitose, N-acetylglucosamine, pullulan, raffinose, lactose, maltose, ribose,
trehalose, tagatose & D-xylose. Catalase, oxidase, alanine-phenylalanine-proline
arylamidase, arginine dihydrolase, chymotrypsin, cystine arylamidase, esterase C-4, alpha-fucosidase, alpha-galactosidase,
beta-galacturonidase, alpha-glucosidase, beta-glucosidase, beta-glucuronidase, alpha-mannosidase, beta-mannosidase, lipase
C14, leucine arylamidase, valine arylamidase, urease, trypsin, esculin, gelatin & Voges-Proskauer reaction = negative . Nitrate is
not reduced to nitrite.
Acid from maltose and sucrose = variable.
phosphatase, ester lipase C8 (weak), phosphoaminidase & pyrazinamidase = positive.
Acid not produced from L-arabinose, D-arabitol, cyclodextrin, glycogen, melibiose,
melezitose, N-acetylglucosamine, pullulan, raffinose, lactose, maltose, ribose,
trehalose, tagatose & D-xylose. Catalase, oxidase, alanine-phenylalanine-proline
arylamidase, arginine dihydrolase, chymotrypsin, cystine arylamidase, esterase C-4, alpha-fucosidase, alpha-galactosidase,
beta-galacturonidase, alpha-glucosidase, beta-glucosidase, beta-glucuronidase, alpha-mannosidase, beta-mannosidase, lipase
C14, leucine arylamidase, valine arylamidase, urease, trypsin, esculin, gelatin & Voges-Proskauer reaction = negative . Nitrate is
not reduced to nitrite.
Acid from maltose and sucrose = variable.
(c) Costin Stoica
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