Introduction Clinical Presentation Definition Distribution Etiology Index of Names Media & Methods Glossary Case Study References

Microsporum persicolor

Colonial Morphology	Microscopic Morphology Phase Contrast	Biochemical Reactions: BCP, SDA and Urease
Growth rate: rapid Texture: downy to powdery, flat, fringed margin Thallus color: yellow to peach or pale pink Reverse: rose, reddish brown On sugar free peptone media thallus and undersurface develop rosy to deep wine pigments Variant: deeply pigmented strain	occasional thin walled macroconidia with roughening at tip on primary isolates pyriform to round microconidia, sessile, on short pedicels, or in clusters spiral hyphae	BCP: profuse, no change Urease: positive Hair perforation: positive Vitamin requirement: none
Compare to and Differentiate from: T. mentagrophytes, granular and velvety forms: BCP, growth at 35°C	Etiology & Ecology zoophilic - bank vole, mice not found in soil sporadic in Europe, UK skin, not hair etiology of other dermatophytes