Phylogenetic relationships among heterobasidiomycetous yeasts, including anamorphic and teleomorphic taxa, have been compared from the sequence similarity of small (18S) and large (25S) subunit ribosomal RNA. Species examined were Cystofilobasidium capitatum, Filobasidiella neoformans, Fi/obasidium floriforme, Leucosporidium scottii, Malassezia furfur, M. pachydermatis, Phaffia rhodozyma, Rhodo...

White piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp white piedra seen in 5.8% of the children frequenting a day care in Northeastern of São Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft...

We present a 41 yr old male, who died of respiratory failure due to infiltration of Trichosporon beigelii (cutaneum) into the pulmonary interstitial spaces with systemic dissemination. Busulphan-induced leucopenia in the chronic phase of chronic myelogenous leukaemia had progressed before this infection developed. In leukaemic patients with profound leucopenia, interstitial pneumonitis due to T...