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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Firmicutes => Bacilli => Lactobacillales => Streptococcaceae => Streptococcus => Streptococcus halichoeri Lawson et al. 2004.
Gram-positive cocci, grouped in pairs and short chains.
Colonies are white, non-haemolytic and 0.5 mm in diameter after 24 h incubation on
sheep blood agar. Growth at 37 °C. Aerobic, facultatively anaerobic. Growth on:
Trypticase soy agar with 5% sheep blood.
sheep blood agar. Growth at 37 °C. Aerobic, facultatively anaerobic. Growth on:
Trypticase soy agar with 5% sheep blood.
Isolated from grey seals (Halichoerus grypus)
Unknown
- Paul A. Lawson, Geoffrey Foster, Enevold Falsen, Nick Davison and Matthew D. Collins: Streptococcus halichoeri sp. nov.,
isolated from grey seals (Halichoerus grypus). Int. J. Syst. Evol. Microbiol., 2004, 54, 1753-1756.
Acid is produced from cyclodextrin, maltose, mannitol, ribose and pullulan.
Acid is not produced from arabinose, glycogen, inulin, mannose, melibiose,
melezitose, methyl beta-D-glucopyranoside, raffinose, sorbitol, starch, sucrose,
D-tagatose & trehalose.
Arginine dihydrolase, Voges-Proskauer & alkaline phosphatase are positive.
Alpha-galactosidase, beta-galactosidase, alpha-glucosidase, beta-glucuronidase,
urease, esculin and hippurate are negative.
Acid is not produced from arabinose, glycogen, inulin, mannose, melibiose,
melezitose, methyl beta-D-glucopyranoside, raffinose, sorbitol, starch, sucrose,
D-tagatose & trehalose.
Arginine dihydrolase, Voges-Proskauer & alkaline phosphatase are positive.
Alpha-galactosidase, beta-galactosidase, alpha-glucosidase, beta-glucuronidase,
urease, esculin and hippurate are negative.
(c) Costin Stoica
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