| Staphylococcus caprae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Bacillales, Family Staphylococcaceae, Genus Staphylococcus, Staphylococcus
caprae Devriese et al. 1983.
caprae Devriese et al. 1983.
Gram-positive cocci, 0.8-1.2 μm, nonmotile, nonsporing. Form pairs, chains and
clusters.
clusters.
Colonies nonpigmented, slightly convex, opaque, and glistening, 5-8 mm diameter.
Hemolytic (delayed reaction). Facultatively anaerobic, 25-45 ºC, 37 ºC optimum.
Growth is much slower at 25 ºC. Grow on media: Nutrient agar or nutrient broth,
Trypticase Soy Agar ± 5% sheep blood, Mueller Hinton agar, Chapman (selective
medium with 75 g/l de NaCl & mannitol).
Hemolytic (delayed reaction). Facultatively anaerobic, 25-45 ºC, 37 ºC optimum.
Growth is much slower at 25 ºC. Grow on media: Nutrient agar or nutrient broth,
Trypticase Soy Agar ± 5% sheep blood, Mueller Hinton agar, Chapman (selective
medium with 75 g/l de NaCl & mannitol).
Isolated rarely, from humans and animals (goats' milk and skin). Susceptible to Novobiocin.
May produce mastitis in small ruminants, rarely nosocomial infections in humans (bone and joint sepsis or bacteremia,
endocarditis, urinary tract infections, otitis externa); neonatal bacteremia .
endocarditis, urinary tract infections, otitis externa); neonatal bacteremia .
- Holt J.G., Krieg N.R., Sneath P.H.A., Staley J.T., Wiliams S.T., 1994. Bergey's Manual of Determinative Bacteriology, Ninth Edition,
Williams & Wilkins, Baltimore. Group 17, Gram-Positive Cocci, 527-558. - Devriese L.A., Poutrel B., Kilpper-Balz R. & Schleifer K.H.: Staphylococcus gallinarum and Staphylococcus caprae, two new
species from animals. Int. J. Syst. Bacteriol., 1983, 33, 480-486. - Ross T. L., Fuss E. P., Harrington S. M., Cai M., Perl T. M.,& Merz W. G.: Methicillin-Resistant Staphylococcus caprae in a Neonatal
IntensiveCare Unit. Journal of Clinical Microbiology, January 2005, p. 363-367, Vol. 43, No. 1. - 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, arginine dihydrolase
urease, acetoin production, deoxyribonuclease agar, catalase, acid production from:
mannose, lactose, trehalose and galactose.
Negative results for oxidase, hyaluronidase, coagulase-rabbit plasma, clumping factor, fibrinolysin, beta-glucosidase, beta-
glucuronidase, beta-galactosidase, caseinase, gelatinase, staphylokinase, Tween 80 hydrolysis, acid production from: amygdalin,
arabinose, arbutin, xylitol, raffinose, xylose, cellobiose, fucose, beta-gentiobiose, mannitol, melibiose, melezitose and turanose.
urease, acetoin production, deoxyribonuclease agar, catalase, acid production from:
mannose, lactose, trehalose and galactose.
Negative results for oxidase, hyaluronidase, coagulase-rabbit plasma, clumping factor, fibrinolysin, beta-glucosidase, beta-
glucuronidase, beta-galactosidase, caseinase, gelatinase, staphylokinase, Tween 80 hydrolysis, acid production from: amygdalin,
arabinose, arbutin, xylitol, raffinose, xylose, cellobiose, fucose, beta-gentiobiose, mannitol, melibiose, melezitose and turanose.
(c) Costin Stoica
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