Staphylococcus pettenkoferi
Scientific classification
Kingdom:	Bacteria
Phylum:	Firmicutes
Class:	Bacilli
Order:	Bacillales
Family:	Staphylococcaceae
Genus:	Staphylococcus
Species:	Staphylococcus pettenkoferi

Staphylococcus pettenkoferi (honouring Max von Pettenkofer, 1818–1901, German pioneer in the field of hygiene and public health) was described in 2007 and is a member of the bacterial genus Staphylococcus, consisting of spherical, Gram-positive, non-motile, non-spore-forming, facultative anaerobic bacteria. It is coagulase-negative and is probably a commensal organism on the skin of humans. Like other coagulase-negative staphylococci, S. pettenkoferi only rarely causes disease, but may occasionally cause infection in patients whose immune system is compromised. Colonies are 1-2 mm in diameter, sometimes showing yellow pigmentation when grown at ambient temperature. Most S. pettenkoferi strains have been isolated from the skin or from blood cultures of patients in Germany and Belgium. Recently S. pettenkoferi was identified as the cause of osteomyelitis in a diabetic foot infection in France.

[edit] References

• Trülzsch K, Grabein B, Schumann P, Mellmann A, Antonenka U, Heesemann J, Becker K. Staphylococcus pettenkoferi sp. nov., a novel coagulase-negative staphylococcal species isolated from human clinical specimens. Int. J. Syst. Evol. Microbiol. 2007;57:1543-8.
• Loïez C, Wallet F, Pischedda P, Renaux E, Senneville E, Mehdi N, Courcol RJ. First case of osteomyelitis caused by "Staphylococcus pettenkoferi". J. Clin. Microbiol. 2007 45:1069-71

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