Genus/species: Geotrichum Sp. (Trichosporon (obsolete)) most common species is G. candidum
Classification: Ascomycete
Morphology:
- Cell: smooth, cylindrical arthroconidia
- Colony: Dextrose agar: flat, white, dry, fast-growing
- Spore: arthroconidia. conidiophores absent.
- Zygote:
- Ascus:
- Liquid Growth:
Physiological Traits:
Arthroconidia germinate to form septate mycelium.
Ecological Traits:
A very common fungus with worldwide distribution found in soil, water, sewers etc. as well as plants and plant products and is normal in human flora; also found in ripened cheese and other dairy products.
Distinguishing Features:
Microscopically, hyphae are septate and branch into chains of barrel-shaped arthroconidia. Macroscopically, colonies become slimy and cream colored when smeared.
Role in wine:
Can be found on the surface of grapes; no role in winemaking
Sensitivities:
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- Anaerobiosis_______
- Heat: Sensitive