3. The Opportunistic Molds Flashcards
Common spp. of Acremonium
Acremonium falciforme
Acremonium kiliense
Macroscopic:
Rapid grower
White, cottony colonies
Acremonium spp.
Microscopic: hyaline, septate hyphae
Acremonium spp.
Microscopic: unbranched, solitary, erect phialides formed directly on the hyphal tips
Acremonium spp.
Microscopic: conidia usually in clusters or fragile chains
Acremonium spp.
Drugs for Acremonium spp. that exhibit good in vitro activity
Newer azoles (voriconazole, posaconazole)
Drug for Acremonium spp. with higher MIC than voriconazole
Itraconazole
Drug for Acremonium spp. with a relatively low MIC
Caspofungin
Normal mycoflora of commodities (rice)
Fusarium
Medically important Fusarium spp.
Fusarium oxysporum
Fusarium chlamydosporum
Fusarium solani
OCS
Disease caused by Fusarium spp.
Fusariosis
Macroscopic:
Rapid grower
Woolly to cottony
Flat
Spreading
Fusarium spp.
Microscopic:
Macroconidia - 2 or more cells , thick walled, smooth, cylindrical or sickle (canoe) shaped
Fusarium spp.
Common Geotrichum spp.
Geotrichum candidum
Geotrichum fici
Geotrichum clavatum
Macroscopic:
- Rapid growing
- White, dry
- Powdery to cottony colonies resembling ground glass
Geotrichum spp.
Macroscopic: colony may be yeastlike
Geotrichum spp.
Optimal growth temp of Geotrichum spp.
25°C
Microscopic: has Arthroconidia that is either rectangular or rounded at the ends
Geotrichum spp.
Microscopic: coarse true hyphae observed, may be undifferentiated
Geotrichum spp.
Most common Paecilomyces spp.
Paecilomyces lilacinus
Paecilomyces variotii