Staphylococcus arlettae
(c) Costin Stoica
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Bacillales, Family Staphylococcaceae, Genus Staphylococcus, Staphylococcus arlettae  
Schleifer et al. 1985.
Gram-positive cocci, 0.5-1.5 μm, nonmotile, nonspore-forming.
Colonies beige or yellow, opaque, with entire margins, 6-8 mm in dimeter after 2 days
incubation at 37 ºC on brain heart infusion agar. Grows aerobically, 37 ºC.
Other media: Trypticase Soy Agar ± 5% sheep blood, Special medium:  Casein
peptone 10g, Glucose 5g, Yeast extract 5g, NaCl 5g, Agar 15g; bring to 1000ml with
distilled water, pH 7.3.
Isolated from human and animal (mammals & birds) skin, mucous membranes, also from milk, chicken litter.
Novobiocin resistant.
Unknown pathogenicity (none / opportunistic).
  1. 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.
  2. Schleifer K.H., Kilpper-Balz R.,  Devriese L.A.: Staphylococcus arlettae sp. nov., S. equorum sp. nov. and S. kloosii sp. nov.: three
    new coagulase-negative, novobiocin-resistant species from animals. Syst. Appl. Microbiol., 1985, 5, 501-509.
  3. 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 alkaline phosphatase, catalase, esculin hydrolysis, acid production
from: L-arabinose, arbutin, beta-gentibiose, fructose, D-fucose (weak), glucose,
lactose, trehalose, mannitol, raffinose, xylose, melezitose, turanose, ribose & sucrose.

Negative results for nitrates reduction, oxidase, hyaluronidase, staphylokinase, Tween
80 hydrolysis, coagulase-rabbit plasma, clumping factor, fibrinolysin, deoxyribonuclease agar, heat-stable nuclease, beta-
glucosidase, urease, acetoin production (VP), acid production from: xylitol, cellobiose, rhamnose, sorbitol & salicin.
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