Cryptococcus neoformans is an important conditional pathogenic fungus;the capsular polysaccharide surrounding its outer wall is the first identified major toxic factor of Cryptococcus neoformans.

• 新生隐球菌是一种重要的条件致病性真菌,其细胞壁外层包裹的多糖荚膜是第一个被明确的新生隐球菌重要的毒性因子。