DIMORPHISM OF SPOROTRICHUM SCHENCKII

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Abstract
The present study reports observations on the morphological changes that occur during the transition of Sporotrichum schenckii from the mycelial to the veast phase in tissue cultures of mouse peritoneal exudate cells. Two different morphological transformations were observed: (1) the formation of budding, club-shaped structures at the tips of the hyphae or on the lateral hyphal branches, and (2) the formation of chains of oidia and fragmentation of the chains into their constituent elements. The results are discussed in relation to the work of other investigators, and compared with those obtained under similar experimental conditions with Histoplasma capsulatum and Blastomycas dermatitidis.