Pathogenicity ofC. albicansandC. tropicalis
- 1 January 1962
- journal article
- Published by Oxford University Press (OUP) in Medical Mycology
- Vol. 1 (1) , 16-21
- https://doi.org/10.1080/00362176285190061
Abstract
Most strains of C. tropicalis possess a considerable degree of virulence for mice. When compared as a group, the strains of C. tropicalis were not quite as virulent as were the strains of C. albicans studied, and showed very little or no pathogenicity for rabbits. In vivo multiplication rates showed that for both species most of the yeast cell or yeast cell aggregate proliferation occurred in kidney tissue. C. tropicalis differed in that there was an early yeast cell growth in the brains of infected mice, 2–4 days after injection, and with a subsequent decrease of viable yeast cells. Histologic sections of brain tissue confirmed the cultural observations. La plupart des races de Candida tropicalis possèdent une virulence considérable pour les souris. Comparées en groupe, les races de C. tropicalis étaient d'une virulence inférieure, ainsi que les races étudiées de C. albicans, et montraient peu de pathogénicité, ou presque aucune, pour les lapins. In vivo les taux de multiplication montraient que pour les deux espéces la plupart de la prolifèration de loge de levure, ou d'aggregat de loge de levure, se produisait dans des tissus rénaux. C. tropicalis en différait en ce qu'une croissance de loge de levure se manifestait tôt dans des cerveaux de souris infectées, 2 à 4 jours après injection, accompagnée d'une décroissance consécutive de loges de levure viables. Des sections histologiques de tissu de cerveau ont confirmé ces observations culturelles.Keywords
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