SOME CYTOLOGICAL AND PATHOGENIC PROPERTIES OF SPHEROPLASTS OF CANDIDA ALBICANS

AUTOR(ES)

Kobayashi, George S.

RESUMO

Kobayashi, George S. (Tulane University, New Orleans, La.), Lorraine Friedman, and Judith F. Kofroth. Some cytological and pathogenic properties of spheroplasts of Candida albicans. J. Bacteriol. 88:795–801. 1964.—Spheroplasts of Candida albicans were prepared by use of an enzymatic mixture from the digestive tract of the snail Helix pomatia. Untreated cells exhibited well-defined cell walls, whereas such structures were absent from spheroplasts. The intravenous inoculation of either spheroplasts or intact cells into rabbits produced a fever which was apparent within 30 min, the “immediate” fever response characteristic of microbial endotoxin. Cell-wall fragments of enzyme-treated cells did not induce a convincing pyrogenic response. When the inoculum was viable, body temperatures did not return to normal but remained elevated until death of the animal 1 or more days later, exhibiting the “delayed” fever of infection. The gross pathological picture in animals succumbing to infection by viable spheroplasts was similar to that obtained with untreated yeast cells.

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