This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Which of the following is known as Panton-Valentine toxin 
Select and explain. 
A. Leucocidin of Staphylococcus aureus, B. Alpha toxin of Clostridium perferingens, C. DNAase of Staphylococcus pyogenes, D. None of the above
A: Leucocidin of Staphylococcus aureus
Answer: A: Leucocidin of Staphylococcus aureus 
Explanation: Panton-valentine leucocidin (called PVL) is a two-component toxin, like gamma lysin, being composed of the S and F components. Such bicomponent, membrane-active toxins have been grouped as synergohymenotropic toxins. Ref: Textbook of Ananthanarayan and paniker's; 10th Edition; Pg:204