Staphylococcus warneri
| Staphylococcus warneri | |
|---|---|
| Scientific classification Edit this classification | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Bacillota |
| Class: | Bacilli |
| Order: | Bacillales |
| Family: | Staphylococcaceae |
| Genus: | Staphylococcus |
| Species: | S. warneri
|
| Binomial name | |
| Staphylococcus warneri Kloos & Schleifer 1975
| |
Staphylococcus warneri is a species of Gram-positive bacteria with spherical cells appearing in clusters and a member of the genus Staphylococcus. It is catalase-positive, oxidase-negative, and coagulase-negative, and is a common commensal organism found as part of the skin microbiota on humans and animals. Like other coagulase-negative staphylococci, S. warneri rarely causes disease, but may occasionally cause infection in patients whose immune system is compromised.[1]
Identification
[edit | edit source]Colonies of S. warneri on trypticase soy agar are usually beige, tan, or yellow, sometimes with an orange rim and about 2–4 mm in diameter after 48 hours' incubation at 35 °C. Optimal growth temperature is 30-40 °C.[citation needed]
Clinical importance
[edit | edit source]Staphylococcus warneri has been suggested as a cause of spontaneous abortion in cattle and humans.[2] It has been associated with vertebral discitis,[3] urinary tract infection,[4] meningitis,[5] orthopedic infections/osteomyelitis,[6][7] ventricular shunt infections,[8] and infective endocarditis (more associated with prosthetic rather than native valves).[9][7] Similar to other coagulase-negative staphylococci, the presence of S. warneri in blood and cerebrospinal fluid cultures can also represent contamination rather than a true infection.[7]
It has been suggested as the cause of a case of meningoencephalitis in a dog.[10]
References
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- ^ Announ N., Mattei J., Jaoua S., Fenollar F., Sati H., Chagnaud C., Roudier J., Guis S. (2004) Multifocal discitis caused by Staphylococcus warneri. Joint Bone Spine 71 (3) 240-242
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- ^ Incani RN, Hernández M, Cortez J, González ME, Salazar YD(2010) Staphylococcus warneri meningitis in a patient with Strongyloides stercoralis hyperinfection and lymphoma: first report of a case. Rev Inst Med Trop Sao Paulo. 52(3):169-170
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- ^ Martínez-Lage JF, Martínez-Lage Azorín L, Almagro MJ (2009) Staphylococcus warneri ventriculoperitoneal shunt infection: failure of diagnosis by ventricular CSF sampling. Childs. Nerv. Syst.
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External links
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