1. If the fungus is not a dermatophyte , no color change will be noted. 2. A special agar called Dermatophyte Test Medium ( DTM ) has been formulated to grow and identify dermatophytes. 3. Unlike some dermatophyte species, " M . canis " typically does not cause large epidemics. 4. Amongst the non-pathogenic fungi found, " Chrysosporium keratinophilum " was the most common dermatophyte relative. 5. There is still debate about the phylogenetic placement of this dermatophyte , but the accepted name is " Microsporum gallinae ". 6. ""'Onychocola canadensis " "'is a relative of the dermatophyte and an occasionally causes onychomycosis. 7. Without having to look at the colony, the hyphae, or macroconidia-one can identify the dermatophyte by a simple color test. 8. This technique identifies a fungal infection in about 40 % 70 % of the infections, but cannot identify the species of dermatophyte . 9. The incidence of onychomycosis as a result of " A . terreus " ( not the common agent dermatophyte ) is increasing. 10. It is incubated at room temperature for 10 to 14 days . If the fungus is a dermatophyte , the medium will turn bright red.
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