General Biology I
Staphylococcus aureus is a spherical-shaped, Gram-positive bacterium that is often found on the skin and in the nasal passages of healthy individuals. This organism can act as both a commensal and a pathogen, capable of causing a variety of infections, from mild skin infections to severe diseases like pneumonia and sepsis. Understanding its signaling mechanisms is crucial for grasping how it interacts with its environment and hosts.
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