Staphylococcus (der. Greek, "Staphylo" = bunch of grapes"), ca. 1 µ dia., G+, non-motile, non-spore forming, facultatively anaerobic (ferments sugars but does not produce gas) Pathogenic species associated with suppurative (pus forming) disease , abscesses - hallmark clinical manifestation is a boil (eg,. pimples). Can also cause pneumonia, osteomyelitis, meningitis, arthritis in invasion into deeper tissues and organs system occurs, as well as intoxications such as toxic shock syndrome and food poisoning in humans. Organisms of this genus are among the most hardy, most resistant to environmental stress of all of the non-spore forming organisms - resist dehydration, relatively heat resistant and tolerate many common disinfectants.
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