Streptococcus pyogenes

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Streptococcus pyogenes

Streptococcus pyogenes (pronunciation: strep-toe-COCK-us pie-OH-je-nees) is a species of Gram-positive bacteria in the genus Streptococcus. These bacteria are aerotolerant and an extracellular bacterium, made up of non-motile and non-sporing cocci. It is clinically important for humans as it is a major pathogen causing mild to severe infections.

Etymology

The term Streptococcus is derived from Greek words streptos meaning twisted and kokkos meaning granule. Pyogenes is derived from the Greek words pyo meaning pus and genes meaning producer. Thus, Streptococcus pyogenes can be translated as a twisted granule that produces pus.

Infections and Diseases

Streptococcus pyogenes is responsible for several important diseases, including streptococcal pharyngitis (strep throat), impetigo, cellulitis, erysipelas, and necrotizing fasciitis (flesh-eating disease). It can also cause rheumatic fever if an infection is not properly treated.

Treatment

Treatment for infections caused by Streptococcus pyogenes typically involves antibiotics, such as penicillin or erythromycin. In severe cases, hospitalization may be required.

Prevention

Prevention of Streptococcus pyogenes infections can be achieved through good hygiene practices, including regular hand washing and avoiding close contact with infected individuals.

External links

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