Microbiology Which of the following is the main colonizer of sebaceous gland: (PGI June 2007) A Propionic bacterium acnes B Diphtheria C Streptopyogens D Staph aureus 💡 Explanation Which of the following is the main colonizer of sebaceous gland: (PGI June 2007) ✓ Correct Answer: A. Propionic bacterium acnes