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It is commonly found with another pathogen, Candida albicans, forming multispecies biofilms. Antigens known as superantigens can induce toxic shock syndrome (TSS).
Deletion of the motif resulted in Ica R repressor accumulation and inhibition of biofilm development.
These tests suggest the Staphylococcus strains use staphyloxanthin as a defence against the normal human immune system.
Drugs designed to inhibit the production of staphyloxanthin may weaken the bacterium and renew its susceptibility to antibiotics.
Staphylococcus aureus (also known as golden staph) is a gram-positive, round-shaped bacterium that is a member of the Firmicutes, and it is a member of the normal flora of the body, frequently found in the nose, respiratory tract, and on the skin.
It is often positive for catalase and nitrate reduction and is a facultative anaerobe that can grow without the need for oxygen. aureus is not always pathogenic (and can commonly be found existing as a commensal), it is a common cause of skin infections including abscesses, respiratory infections such as sinusitis, and food poisoning.