The keratinophilic fungi of Ontario, Canada

Isolation of Blastomyces dermatitidis from an earthen floor in southwestern Ontario, Canada

“…As a control, samples of kieselguhr were taken from bags stored in the shed. Additional samples of earth were taken for culture to determine whether other pathogenic (or keratinophilic) fungi were present in these areas (4). The methods used to collect and process these samples, as well as for the intraperitoneal and intravenous inoculation of mice with processed suspensions, were similar to those outlined by Denton and DiSalvo (6) and Ajello and Weeks (1).…”

Ultrastructural aspects of ascosporulation inArthroderma quadrifidum (=Trichophyton terrestre)

“…Thus, until recently it was commonly held that T. terrestre was a geophilic species that was not pathogenic for man (Rebell & Taplin, 1974). However, T. terrestre has now been isolated from elderly human subjects exhibiting complicating factors including prolonged steroid therapy and basal cell carcinoma (Bakerspigel, 1974).…”