staphylococcus

• What shape are G+ cocci?

  Spherical
• Name two types of G+ cocci.

  Staphylococci and Streptococci
• What are the two most common groups of G+ organisms of medical importance?

  Staphylococci and Streptococci
• What does the term "staphylococcus" mean?

  It means "bunch of grapes"
• What is a key characteristic of Staphylococci regarding catalase?

  They are catalase-positive
• Why are Staphylococci considered hardy?

  They survive quite well outside animal hosts
• What type of infections can Staphylococci cause?

  Infections can be trivial or rapidly fatal
• What is a notable feature of Staphylococcus aureus colonies?

  They are golden in color
• What is the significance of coagulase production in Staphylococcus aureus?

  It converts fibrinogen to fibrin, protecting from the immune system
• What does MRSA stand for?

  Methicillin-resistant Staphylococcus aureus
• What is the role of Protein A in Staphylococcus aureus?

  It binds to IgG and prevents opsonisation
• What is the effect of fibronectin-binding protein in Staphylococcus aureus?

  It promotes binding to mucosal cells and tissue matrices