Abstract:Cryptococcus neoformans is a unicellular fungal pathogen that causes meningoencephalitis, killing hundreds of thousands of patients each year. Its most distinctive characteristic is a polysaccharide capsule that envelops the whole cell. It is the major virulence attribute and the antigen for serologic diagnosis. We have developed a method for easy observation of the capsule and its growth dynamics using the cell-separation reagent Percoll and differential interference contrast (DIC) microscopy. Percoll suspens… Show more
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