Korean J Dermatol.
1977 Sep;15(3):297-303.
A Ultramicroscopic Study Cryptococcus Neoformans Derived from Pigeon Drops
Abstract
- The morphologic differences hetween a mucoid and pasty type of Cryptococcus neoformans derived from pigeon drops were investigated using an eIectron microscope. The following results were obtained: No essential differences in ultramicroscopic structures were noted hetween the mucoid and pasty type of C. neoformans, but the capsule is thicker in the mucoid type than the pasty one and the intracytoplasmic structures were seen more clearly in the mucoid type. These differences seem to he related to chemical components and the difficulty of penetration of fixing solution through thick capsules. There were no differences between C. neoformans derived from pigeon drops and those from pathogenic strains which were reported by others. Therefore, C. neoformans derived form pigeon drops can infect humans.
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