The Centers for Disease Control and Prevention (CDC) is a federal agency that conducts and supports health promotion, prevention and preparedness activities in the United States with the goal of improving overall public health.
4. Dimorphic fungi may exhibit two different growth forms. Outside the body they grow as a mold, producing hyphae and asexual reproductive spores, but in the body they grow in a yeast-like form. 5. The appearance of a mold and the type of spores it produces is useful in its identification.. Dimorphic fungi. Dimorphic fungi may exhibit two different growth forms. Outside the body they grow as a mold, producing hyphae and asexual reproductive spores, but in the body they grow in a non-mycelial yeast form.
From Wikipedia, the free encyclopedia. âBlack yeastsâ , sometimes also black fungi, dematiaceous fungi, microcolonial fungi or meristematic fungi is a diverse group of slow-growing microfungi which reproduce mostly asexually (fungi imperfecti).he term  polyextremotolerance  has been introduced to describe this phenotype, a good example of which is the species Aureobasidium pullulans. Presence of 1,8-dihydroxynaphtalene melanin in the cell wall confers to the microfungi their characteristic olivaceous to dark brown/black colour.