Staphylococcus lutrae
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Staphylococcaceae, Genus Staphylococcus, Staphylococcus lutrae  Foster
et al. 1997.
Gram positive cocci, nonmotile, nonsporing.
Nonpigmented, opaque, glistening, S-type colonies; 1.5-2 mm in diameter after 24
hours incubation on blood agar and 3.5–4.5 mm after incubation for 3 days at 37 ºC
on P agar. Facultatively anaerobic,  growth temperature 37 ºC (range 25–42 ºC).
Isolated from European otters (Lutra lutra). Sensible to novobiocin and lysostaphin.
Unknown (maybe otter pathogen). Only 3 strains have been isolated from mammary gland and supra mammary lymph node of dead
otters.
  1. Foster G., Ross H.M., Hutson R.A. & Collins M.D.: Staphylococcus lutrae sp. nov., a new coagulase-positive species isolated from
    otters. Int. J. Syst. Bacteriol., 1997, 47, 724-726.
  2. Karl-Heinz Schleifer and Julia A. Bell, 2009. Family VIII. Staphylococcaceae fam. nov.. 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, 392-426.
Positive results for nitrate reduction, alkaline phosphatase, urease, coagulase-rabbit
plasma, deoxyribonuclease, beta-galactosidase, catalase, acid production from:
mannose, lactose, trehalose, mannitol (some strains negative), glucose, galactose &
xylose.

Negative results for arginine dihydrolase, oxidase, hyaluronidase & clumping factor.
Some commercial kits may not include Staphylococcus lutrae in their databases (e.g. API Staph) and misidentifications may occur (admin note).
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