Etiological significance ofPityrosporum orbicularein tinea versicolor
- 1 January 1964
- journal article
- Published by Oxford University Press (OUP) in Medical Mycology
- Vol. 3 (1) , 21-25
- https://doi.org/10.1080/00362176485190061
Abstract
Strains of Pityrosporum orbiculare were isolated from the Malassezia furfur infected scales of ten cases of tinea versicolor. The morphologic characteristics of M. furfur in the scales and P. orbiculare in culture are described. Specific antiserum to P. orbiculare (strain #7) was produced by injecting the organism into the foot pads of guinea pigs. The capacity of the serum to combine with P. orbiculare and M. furfur was determined by fluorescent antibody staining. These investigations have shown morphologic and antigenic relationships between P. orbiculare and M. furfur, the latter the etiologic agent of tinea versicolor. Dix souches de Pityrosporum orbiculare ont été isolées à partir de squames infectées par Malassezia furfur et provenant de dix cas de Pityriasis versicolor. Les caractères morphologiques de M. furfur et de P. orbiculare en culture sont décrits. Les anticorps spécifiques contre P. orbiculare (souche #7) ont été produits par injection sous-cutanée du micro organisme dans les pattes de cobayes. La méthode d'immunofluorescence a été utilisée pour démontrer l'aptitude du sérum à réagir contre les antigènes de P. orbiculare et de M. furfur. On met en évidence une relation antigénique et morphologique entre P. orbiculare et M. furfur, ce dernier étant l'agent causal du Pityriasis versicolor.Keywords
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