| Gemella cuniculi |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Incertae sedis, Genus Gemella, Gemella cuniculi Hoyles et al. 2000.
Gram-positive, nonmotile, ovoid-shaped cells.
On horse blood agar is producing a beta-hemolytic reaction. Nonpigmented.
Facultatively anaerobic, growth at 37.0 ºC, no growth at 10 or 45 ºC. No growth in 6.5%
NaCl broth. Bile esculin negative. Grows 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 ºC, no growth at 10 or 45 ºC. No growth in 6.5%
NaCl broth. Bile esculin negative. Grows 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.
and 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. - Matthew D. Collins And Enevold Falsen, 2009. Family XI. Incertae Sedis Genus I. Gemella Berger, 1960, 253AL. In: (Eds.) P.D.
Vos, G. Garrity, D. Jones, N.R. Krieg, W. Ludwig, F.A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic
Bacteriology, Volume 3: The Firmicutes, Springer, 455-460.
Positive results for acid phosphatase, alkaline phosphatase, ester lipase C8 (weak),
phosphoaminidase, pyrazinamidase, fermentation of: glucose, mannitol & sorbitol.
Negative results for alanine-phenylalanine-proline, arylamidase, arginine dihydrolase, catalase, chymotrypsin, cystine arylamidase,
esterase C-4, esculin hydrolysis, alpha-fucosidase, gelatin hydrolysis, alpha-galactosidase, beta-galacturonidase,
alpha-glucosidase, beta-glucosidase, beta-glucuronidase, alpha-mannosidase, beta-mannosidase, lipase C14, leucine
arylamidase, nitrates reduction, oxidase, trypsin, urease, valine arylamidase, Voges-Proskauer reaction, acid production from:
L-arabinose, D-arabitol, cyclodextrin, glycogen, lactose, maltose, melibiose, maltose, melezitose, N-acetylglucosamine, pullulan,
raffinose, ribose, sucrose, trehalose, tagatose & D-xylose.
phosphoaminidase, pyrazinamidase, fermentation of: glucose, mannitol & sorbitol.
Negative results for alanine-phenylalanine-proline, arylamidase, arginine dihydrolase, catalase, chymotrypsin, cystine arylamidase,
esterase C-4, esculin hydrolysis, alpha-fucosidase, gelatin hydrolysis, alpha-galactosidase, beta-galacturonidase,
alpha-glucosidase, beta-glucosidase, beta-glucuronidase, alpha-mannosidase, beta-mannosidase, lipase C14, leucine
arylamidase, nitrates reduction, oxidase, trypsin, urease, valine arylamidase, Voges-Proskauer reaction, acid production from:
L-arabinose, D-arabitol, cyclodextrin, glycogen, lactose, maltose, melibiose, maltose, melezitose, N-acetylglucosamine, pullulan,
raffinose, ribose, sucrose, trehalose, tagatose & D-xylose.
(c) Costin Stoica
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