Staphylococcus nepalensis
| Staphylococcus nepalensis | |
|---|---|
| Scientific classification | |
| Kingdom: | Bacteria |
| Phylum: | Firmicutes |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Staphylococcaceae |
| Genus: |
Staphylococcus Rosenbach 1884 |
| Species | |
|
Staphylococcus nepalensis |
|
Staphylococcus nepalensis
Staphylococcus nepalensis is a Gram-positive coccoid bacterium belonging to the genus Staphylococcus.
This species was first isolated from the respiratory tract of goats in 2003.
The bacteria are nonmotile, oxidase-negative, catalase-positive, Gram-positive cocci, 1.1 to 1.6 μm in diameter, that occur singly, in pairs, and in irregular clusters. The G+C content of the type strain is 33 mol%.
Colonies after 2 days on P agar are circular, low-convex, smooth, glossy, opaque white, and 2–6 mm in diameter. Growth occurs aerobically and anaerobically in the presence of 0.0 to 7.5% NaCl. The type strain grows well in the presence of 10% NaCl, but growth is variable for other strains. No growth is observed in the presence of 15% NaCl. Growth occurs between 20 and 40°C: best growth occurs at 30°C. No growth is observed at 15 or 45°C.
This bacterium produces urease, alkaline phosphatase, pyrrolidonyl arylamidase, beta-galactosidase, and beta-glucuronidase, and hydrolyses aesculin and Tween 80. It reduces nitrate to nitrite. It is negative for clumping factor, coagulase, hyaluronidase, arginine dihydrolase, ornithine decarboxylase, acetoin, arginine arylamidase, alpha- and beta-haemolysins, heat-stable and heat-labile nucleases, indole, hydrogen sulphide, and lecithinase. It produces acid aerobically from D-glucose, D-fructose, D-mannose, maltose, lactose, trehalose, mannitol, sucrose, L-arabinose, N-acetylglucosamine, galactose, glycerol, erythritol, D-xylose, arbutin, and salicin.
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