Mycology Flashcards
Structural Characteristics of Yeast & Mold
Identify the structures
Identify Characteristics of yeast
A: What is the Fungal Cell wall made of?
A: Chitin
Arthroconidia
Chlamydoconidia
Macroconidia and microconidia
A: What stain is this?
B: What organism does it identify?
A: Calcofluor Stain
B: Candida Albicans
A: What stain is this?
B: What organism does it identify?
A: Gram Stain
B: Candida Albicans
Candida albicans produces clusters of round blastoconidia along the hyphae and particularly at points of septa
A: Describe the colonies Candida Albicans produce (2)
B: Which agar
[White-cream colored and pasty] colonies on [Sabouraud Dextrose Agar]
A: What stain is this?
B: What organism does it identify?
A: PAS (Periodic Acid Schiff) Stain
B: Candida Albicans
Note the blastoconidia and branched PseudoHyphae
A: What stain is this?
B: What organism does it identify?
A: Gram Stain
B: Cryptococcus
A: What stain is this?
B: What organism does it identify?
A: [GMS Stain]
B: Cryptococcus
A: What stain is this?
B: What organism does it identify?
A: Mucicarmine Stain
B: Cryptococcus
A: What stain is this?
B: What organism does it identify?
A: GMS Stain
B: Blastomycosis
A: What stain is this?
B: What organism does it identify?
A: PAS Stain
B: Blastomycosis
Risk Factors for Candida Albicans (4)
” CADD puts u at risk for Candida! “
- Abx Therapy (elimination of endogenous flora)
- Corticosteroids
- [DEC T-cell function]
- DM