Streptococcus hyovaginalis
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Firmicutes => Bacilli => Lactobacillales => Streptococcaceae => Streptococcus => Streptococcus hyovaginalis  Devriese et al. 1997.
Member of the "Mutans group".
Gram-positive, non-motile cocci, grouped in long chains.
Regular, under 0.5 mm in diameter, non-pigmented, translucent colonies. On blood
agar colonies are surrounded by zones of alpha-hemolysis. Growth at 37
°C. Aerobic,
facultatively anaerobic. Growth enhanced by incubation in a 5% C02-supplemented
atmosphere. Media: Trypticase soy agar with 5% sheep blood, Brain heart infusion
agar or broth.
Isolated from the genital tract of swine (vagina).
Unknown (none).
  1. Devriese LA, et al. Streptococcus hyovaginalis sp. nov. and Streptococcus thoraltensis sp. nov., from the genital tract of sows.
    Int. J. Syst. Bacteriol. 47: 1073-1077, 1997.
Voges-Proskauer, hyppurate hydrolysis, alkaline phosphatase, alanine phenylalanine
proline arylamidase, N-acetyl-P-glucosaminidase positive.
Catalase, ADH, urease & esculin negative.
Acidification of galactose, D-glucose, D-fructose, D-mannose, mannitol,
N-acetylglucosamine, salicin, cellobiose, maltose, lactose, saccharose, & trehalose positive
Acidification of L- arabinose,  raffinose & inulin negative. Ribose & beta-glucosidase variable.

(some biochemical test were performed on API 20 STREP)
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