Streptococcus cuniculi
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Streptococcaceae, Genus Streptococcus, Streptococcus cuniculi  Vela
et al. 2014.
Lancefield ungroupable.
Gram-positive cocci, 0.7-1 μm in diameter, occurring in pairs or chains up 7-10 cells.
Non-motile. Non-spore-forming.
Colonies on blood agar are small, circular, and non-pigmented, 0.75-1.0 mm in
diameter and alpha-haemolytic at 37 ºC for 24 h. Facultatively anaerobic. Growth
occurs at 22, 30, 37 and 42 ºC but not at 4 or 15 ºC. Grows in the presence of 3.5 %
NaCl but not in broth containing 4.5% or 6.5% NaCl.
Isolated from the nasal sample and tonsils samples of wild rabbits. The full habitat range is not known.
Undetermined.
  1. A. I. Vela,  V. Sanchez del Rey,  L. Zamora,  A. Casamayor,  L. Dominguez, J. F. Fernandez-Garayzabal. Streptococcus cuniculi sp.
    nov., isolated from the respiratory tract of wild rabbits. Int J Syst Evol Microbiol, July 2014 64: 2486-2490.
Most tests were performed using Rapid ID32 Strep and API 50CH.

Positive results for alpha- or beta-galactosidase, beta-glucosidase, leucine arylamidase, esterase C4, acid phosphatase,
naphthol-AS-BI-phophohydrolase, glycyl-tryptophan arylamidase, pyroglutamic acid arylamidase, alanine-phenylalanine-proline
arylamidase, acid production from: N-acetylglucosamine, amygdalin, arbutin, aesculin, D-arabitol, cellobiose, D-fructose,
D-galactose, D-glucose, gentiobiose, inulin, lactose, maltose, mannose, D-mannitol, pullulan, salicin, sorbitol, sucrose, starch,
trehalose & turanose.

Negative for arginine hydrolysis, hippurate hydrolysis, catalase, urease, alpha-mannosidase, alpha-fucosidase, esterase lipase C8,
lipase C14, valine arylamidase, alpha-glucosidase, cystine arylamidase, trypsin, alpha-chymotrypsin, beta-glucuronidase,
N-acetyl-beta-glucosaminidase, alkaline phosphatase, beta-mannosidase, acid production from: L- or D-arabinose, D-adonitol,
L-arabitol, cyclodextrin, dulcitol, erythritol, D- or L-fucose, 2- or 5-ketogluconate, glycogen, methyl beta-D-glucopyranoside, glycerol,
inositol, methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, D-lyxose, melibiose, melezitose (most strains),
raffinose, L-rhamnose, D-ribose, L-sorbose, tagatose, methyl eta-D-xylopyranoside, xylitol, D- or L-xylose.
(c) Costin Stoica
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