Genus Gemella
Berger, 1960
Gram-positive ovoid cells, arranged in pairs, tetrads, small clusters, or short chains.
Some strains may decolorize readily and appear Gram-negative. Nonspore-forming,
nonmotile. Facultatively anaerobic. Catalase- and oxidase- negative. No growth at 10
ºC or at 45 ºC. Glucose and some other carbohydrates are fermented. Esculin, gelatin,
and hippurate are not hydrolyzed. Nitrate is not reduced
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LEGEND
* marked species are not included in ABIS biochemical database
Gemella asaccharolytica *
Gemella bergeri
Gemella cuniculi
Gemella haemolysans
Gemella morbillorum
Gemella palaticanis
Gemella parahaemolysans *
Gemella sanguinis
Gemella taiwanensis *