CHARACTERIZATION OF THE PYROGENICITY OF CANDIDA ALBICANS, SACCHAROMYCES CEREVISIAE , AND CRYPTOCOCCUS NEOFORMANS

Author:

Kobayashi George S.1,Friedman Lorraine1

Affiliation:

1. Department of Microbiology, Tulane University School of Medicine, New Orleans, Louisiana

Abstract

Kobayashi, George S. (Tulane University, New Orleans, La.), and Lorraine Friedman . Characterization of the pyrogenicity of Candida albicans, Saccharomyces cerevisiae , and Cryptococcus neoformans . J. Bacteriol. 88: 660–666. 1964.—The intravenous injection into rabbits of 10 9 yeast cells of Candida albicans, Saccharomyces cerevisiae , or Cryptococcus neoformans (both slightly and heavily encapsulated forms) induced a febrile response indistinguishable from that elicited by gram-negative bacterial endotoxin. There was a brisk rise in body temperature which began as early as 30 min after injection, peaked once or twice, and then returned to normal after about 10 hr. With viable C. albicans , the febrile response did not return to normal but remained elevated for several days and terminated at death of the animal. Of three extraction procedures employed in attempts to isolate the endotoxin-like pyrogenically active substances from C. albicans , only one, the phenol extraction method, was successful. Pyrogenic substances were more easily extractable from S. cerevisiae , but extracted cells of both species were still highly pyrogenic. It was concluded that the particulate nature of the yeast cell did not contribute to the induction of fever, for latex particles of a similar size were nonpyrogenic. Viable or heat-killed C. albicans , phenol extract of C. albicans , zymosan, and polystyrene latex particles all failed to induce in rabbits increased dermal reactivity to epinephrine.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference25 articles.

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2. Production of fever and the Shwartzman phenomenon by native dextran;BENNETT I.;Proc. Soc. Exptl. Biol. Med.,1952

3. Bacterial pyrogens;BENNETT I. L.;Pharmacol. Rev.,1957

4. Fever from pathogenic fungi;BRAUDE A. I.;J. Clin. Invest.,1960

5. Moniliasis in pediatrics;DOBIAS B.;Am. J. Diseases Children,1957

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