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Original Article

Observations on Trichophyton tonsurans

Pages 1-5 | Published online: 09 Jul 2009
 

Abstract

A description is given of the cultural, microscopical and biological characters of 3 strains of Trichophyton tonsurans.

None of the strains was pathogenic for laboratory mice in spite of the fact that one (CBS 238·33) was isolated from a mouse showing symptoms of favus. CBS 238·33 and CBS 385·68 were not stimulated by thiamine; CBS 219·32 was partially deficient for it.

Macroconidia were produced in great abundance on Sabouraud's glucose agar by all the 3 strains. They showed a striking wavy and hooked shape.

Résumé

L'auteur donne une description des caractères culturaux, microscopiques et biologiques de 3 souches de Trichophyton tonsurans.

Aucune de ces souches n'est pathogène pour la souris de laboratoire, bien que l'une de ces souches (CBS 238·33) ait été isolée d'une souris présentant des symptômes de favus. Les souches CBS 238·33 et CBS 385·68 n'ont pas leur croissance stimulée par la thiamine; la souche CBS 219·32 est partiellement déficiente envers cette vitamine. Sur gélose glucosée de Sabouraud, chaque souche produit un grand nombre de fuseaux de forme ondulée et crochue très caractéristiques.

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