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Staphylococcus haemolyticus
''Staphylococcus haemolyticus'' is a member of the coagulase-negative staphylococci (CoNS). It is part of the skin flora of humans, and its largest populations are usually found at the axillae, perineum, and inguinal areas. ''S. haemolyticus'' also colonizes primates and domestic animals.〔 It is a well-known opportunistic pathogen, and is the second most frequently isolated CoNS (''S. epidermidis'' is the first). Infections can be localized or systemic, and are often associated with the insertion of medical devices. The highly antibiotic resistant phenotype and ability to form biofilms make ''S. haemolyticus'' a difficult pathogen to treat.〔
==Biology and biochemistry==
''S. haemolyticus'' is non-motile, non-sporulating, facultatively anaerobic, and Gram-stain positive. Cells are typically coccus-shaped and range from 0.8-1.3 μm in diameter. It lives on a wide variety of substrates, including (but not limited to): glucose, glycerol, maltose, sucrose, and trehalose. It also tests positive for acetoin production, arginine, dihydrolase, benzidine, catalase, hemolysis, and lipase; it tests negative for coagulase, DNase, ornithine decarboxylase, phosphatase, urease, and oxidase.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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