Phagocytosis of C.neoformans is inhibited by ?: (A) Cryptococcal capsular material, (B) The size of the yeast cells, (C) The cells walls, (D) Toxins produced by the organism
Answer is A. Ans. is 'a' i.e., Cryptococcal Capsular material Virulence factor of cryptococcus neoformans Polysaccharide capsule --> Inhibits phagocytosis by WBC Melanin production --> Due to enzyme phenolic oxidase