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16 Cards in this Set
- Front
- Back
* Most common yeast * Produces thick wall chlamydospores
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Candida ablicans * Germ tube positive * Grows on SDA, Feet-like extensions * Methyl-D-glucoside positive |
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* 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 |
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* 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 |
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* Many short, much branched pseudohyphae in spider like or treelike pattern. |
Candida parapsilosis * Most common cause in pediatric patients * Associated with fake finger nails
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* Fallen tree or match stick hyphae if present. * Blastoconidia are large and oval "rice krispies" |
Candida krusei * Intrinsically resistant to fluconazole * grows at 42C |
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* Log in stream. |
Candida kefyr (pseudotropicalis) * germ tube negative * very resistant to azole antifungals |
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* Clusters of yeast cells with few short pseudohyphae. * May have small groups of blastoconidia at the septa. |
Candida guilliermondii * cutaneous infections * grows at 37C |
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Candida lusitaniae * Germ tube negative * grows at 37oC *Likely to generate resistance following r=treatment of amphotericin B |
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Candida dubliniensis * Germ tube positive * Methyl-D-glucoside negative * Can distinguish for C. albicans by API |
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* India ink positive |
Cryptococcus neoformans * basidiomycete- resistant to Echinocandins |
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Germ tube Positive |
Candida albicans |
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Growth on Cycloheximide |
Candida albicans Candida tropicalis Candida guilliermondii Candida pseudotropicalis (kefry)
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India ink positive |
Cryptococcus neoformans |
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Grow at 42oC |
Candida albicans Candida krusei |
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Grow at 37oC |
Candida glabrata Candida tropicalis Candida parapsilosis Candida Kefry (pseudotropicalis) Candida guilliermondii Candida lusitaniae |
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Poor or no growth at 42oC |
Candida dubliniensis |
