| Gemella palaticanis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Incertae sedis, Genus Gemella, Gemella palaticanis Collins et al.
1999.
1999.
Gram-positive cocci that occur in pairs, in clusters or in short chains. Cells are
sometimes elongate.
sometimes elongate.
Colonies on blood-agar plates after 72 h are small, circular, entire, lowconvex,
translucent to opaque and smooth. Nonpigmented and nonhemolytic colonies.
Facultatively anaerobic, growth at 37.0 ºC, no growth at 10 or 45 ºC. No growth in 6.5%
NaCl broth. Bile esculin negative.
Growth on : Trypticase soy agar supplemented with blood , best on Mueller-Hinton
agar supplemented with rabbit blood. Growth is enhanced by CO2 enriched
atmosphere.
translucent to opaque and smooth. Nonpigmented and nonhemolytic colonies.
Facultatively anaerobic, growth at 37.0 ºC, no growth at 10 or 45 ºC. No growth in 6.5%
NaCl broth. Bile esculin negative.
Growth on : Trypticase soy agar supplemented with blood , best on Mueller-Hinton
agar supplemented with rabbit blood. Growth is enhanced by CO2 enriched
atmosphere.
Isolated from a vesicle on the gum of a dog.
Unknown.
- Collins M.D., Rodriguez Jovita M., Foster G., Sjoden B. & Falsen E.: Characterization of a Gemella-like organism from the oral
cavity of a dog: description of Gemella palaticanis sp. nov. Int. J. Syst. Bacteriol., 1999, 49, 1523-1526. - 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 alanine-phenylalanine-proline arylamidase and glycyl-tryptophan arylamidase, acid production from: glucose,
lactose, maltose, sucrose (weak) and trehalose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, N-acetyl-beta-glucosaminidase, alpha-galactosidase,
beta-galactosidase, beta-galacturonidase, beta-glucosidase, beta-glucuronidase, hippurate hydrolysis, beta-mannosidase,
pyroglutamic acid arylamidase, oxidase, Voges-Proskauer reaction, urease, acid production from: D-arabitol, L-arabinose, cyclodextrin,
glycogen, mannitol, melibiose, melezitose, methyl beta-D-glucopyranoside, pullulan, raffinose, ribose, tagatose, and sorbitol.
lactose, maltose, sucrose (weak) and trehalose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, N-acetyl-beta-glucosaminidase, alpha-galactosidase,
beta-galactosidase, beta-galacturonidase, beta-glucosidase, beta-glucuronidase, hippurate hydrolysis, beta-mannosidase,
pyroglutamic acid arylamidase, oxidase, Voges-Proskauer reaction, urease, acid production from: D-arabitol, L-arabinose, cyclodextrin,
glycogen, mannitol, melibiose, melezitose, methyl beta-D-glucopyranoside, pullulan, raffinose, ribose, tagatose, and sorbitol.
(c) Costin Stoica
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