This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Microbiology
Panton-valentine leukocidin is produced by: 
Select and explain. 
A. Staphylococcus epidermidis, B. Pseudomonas, C. Vibrio cholerae, D. Staphylococcus aureus
D: Staphylococcus aureus
Answer: D: Staphylococcus aureus 
Explanation: Panton-valentine leukocidin Produced by S. aureus. Has 2 components F (fast) and S (slow) based on their migration on carboxymethyl cellulose column. Both the fragments act synergistically with gamma hemolysin -damage leukocytes, RBCs and macrophages. Synergohymenotropic toxins: Gamma-hemolysin and PV toxin . Capable of producing haemolytic and leukocidal activity.