Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
* Most common yeast * Produces thick wall chlamydospores
|
Candida ablicans * Germ tube positive * Grows on SDA, Feet-like extensions * Methyl-D-glucoside positive |
|
* Can be resistant to azole antifungals |
Candida. glabrata * Germ tube negative yeast * grows at 37oC *SBA-EMB (Eosin methylene blue agar) *2.5-4.0 x 3.0-6.0 |
|
* Sparse single and short chain blastoconidia at or between septa of pseudohyphae. |
Candida tropicalis * Germ tube negative * grows at 37oC * Causes candidemia in oncology patients |
|
* Many short, much branched pseudohyphae in spider like or treelike pattern. |
Candida parapsilosis * Most common cause in pediatric patients * Associated with fake finger nails
|
|
* Fallen tree or match stick hyphae if present. * Blastoconidia are large and oval "rice krispies" |
Candida krusei * Intrinsically resistant to fluconazole * grows at 42C |
|
* Log in stream. |
Candida kefyr (pseudotropicalis) * germ tube negative * very resistant to azole antifungals |
|
* Clusters of yeast cells with few short pseudohyphae. * May have small groups of blastoconidia at the septa. |
Candida guilliermondii * cutaneous infections * grows at 37C |
|
|
Candida lusitaniae * Germ tube negative * grows at 37oC *Likely to generate resistance following r=treatment of amphotericin B |
|
|
Candida dubliniensis * Germ tube positive * Methyl-D-glucoside negative * Can distinguish for C. albicans by API |
|
* India ink positive |
Cryptococcus neoformans * basidiomycete- resistant to Echinocandins |
|
Germ tube Positive |
Candida albicans |
|
Growth on Cycloheximide |
Candida albicans Candida tropicalis Candida guilliermondii Candida pseudotropicalis (kefry)
|
|
India ink positive |
Cryptococcus neoformans |
|
Grow at 42oC |
Candida albicans Candida krusei |
|
Grow at 37oC |
Candida glabrata Candida tropicalis Candida parapsilosis Candida Kefry (pseudotropicalis) Candida guilliermondii Candida lusitaniae |
|
Poor or no growth at 42oC |
Candida dubliniensis |