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60 Cards in this Set
- Front
- Back
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How do contaminant molds develop into infections?
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They are opportunistic; usually 2ndary to another disease in immunocompromised
-due to neutropenia -due to bad hygiene |
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How do we seperate the contaminant molds?
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Based on microscopic morphology
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What are the 5 groups of contaminant molds?
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1. Aseptate hyphae (zygomyc)
2. Septate w/ conidiophore ending in a vesicle 3. Septate w/ conidiophore branching into Penicillus 4. Septate w/ conidia in clusters 5. Septate dematiceous |
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What are the molds that are aseptate?
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Zygomycetes
-Rhizopus -Mucor -Absidia |
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What mold totally resembles zygomcetes but is not?
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Syncephalastrum
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Zygomycetes
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WHAT IS IT?
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aspergilloma
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WHAT IS IT?
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Aspergillus niger
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WHAT IS IT?
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Aspergillus fumigatus
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WHAT IS IT?
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Aspergillus fumigatus
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WHAT IS IT?
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Syncephalastrum
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WHAT IS IT?
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Paecilomyces vs. penicillium
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WHAT IS IT?
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Penicillium
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WHAT IS IT?
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paecilomyces
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WHAT IS IT?
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penicillium growth - slightly greenish
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WHAT IS IT?
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scopulariopsis
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WHAT IS IT?
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scopulariopsis
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WHAT IS IT?
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acremonium
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WHAT IS IT?
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acremonium
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WHAT IS IT?
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fusarium
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WHAT IS IT?
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fusarium
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WHAT IS IT?
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fusarium
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WHAT IS IT?
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Sepedonium
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WHAT IS IT?
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Chrysosporium
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WHAT IS IT?
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chrysosporium
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WHAT IS IT?
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Gliocladium
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WHAT IS IT?
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Gliocladium
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WHAT IS IT?
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Alternaria
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WHAT IS IT?
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Alternaria
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WHAT IS IT?
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Alternaria
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WHAT IS IT?
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curvularia
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WHAT IS IT?
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curvularia
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WHAT IS IT?
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drechslera
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WHAT IS IT?
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cladosporium
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WHAT IS IT?
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nigrospora
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WHAT IS IT?
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nigrospora
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WHAT IS IT?
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ulocladium
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WHAT IS IT?
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ulocladium
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WHAT IS IT?
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paecilomyces
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WHAT IS IT?
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What are the 2 molds with Septate hyphae ending in a vesicle?
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1. Aspergillus
2. Syncephalastrum |
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What are the 4 species of Aspergillus we know of?
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1. A. niger
2. A. fumigatus 3. A. flavus 4. A. glaucus |
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Which species of aspergillus is most likely to cause a serious systemic infection?
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Aspergillus fumigatus
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What are 6 diseases caused by aspergillus?
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1. aspergilloma
2. Pulmonary spergillosis 3. Disseminated aspergillosis 4. Otitis externa 5. Keratitis 6. Alergic bronchopulmonary disease |
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What's another name for allergic bronchopulmonary disease?
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Farmer's lung
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What are the structures in aspergillus?
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-Septate hyphae
-Conidiophore, terminates in a vesicle -Phialides -> phialoconidia in chains |
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What are the structures in Syncephalastrum?
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-Aseptate hyphae
-Sporangiophore, terminates in a vesicle -Sporangiospores in chains come off vesicle -Mesosporangia contains the chains of spores |
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What is common to both penicillium and paecilomyces?
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Fingerlike spreading of phialides bearing phialoconidia
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What is different between penicillium/paecilomyces?
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-Elongated phialides in paecilomyces.
-ROUND phialoconidia in penicillium. |
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What species of penicillium is commonly seen in labs?
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Penicillium marneffei
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What colonial colors are:
-Penicillium -Paecilomyces |
Penicillium = white -> green
Paecilomycs = white -> tanner |
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What 5 molds have aseptate hyphae w/ conidia clustered?
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1. Acremonium
2. Fusarium 3. Sepedonium 4. Chysosporium 5. Gliocladium |
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What does sepedonium resemble?
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H. capsulatum (budding conidia)
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What are characteriscts of Chyrsosporium?
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Clavate, aseptate hyphae, intercalcary
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What are the 6 demataceous fungi with septate hyphae?
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CADCUN
Curvularia, alternaria, drechslera, cladosporium, ulocladium, nigrospora. |
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At maturity what colors are:
A. niger A. fumigatus A. flavus A. glaucus |
Niger = black
Fumigatus/flavus = dark green Glaucus = yellow-brown |
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Which aspergillus has unique conidiophore, and what is it?
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Aspergillus flavus; rough, echinulate conidiophore
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which aspergillus species have double phialides? How are they arranged around ves?
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Niger/flavus; cover entire vesicle and radiate OUT.
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What type of vesicles does a. fumigatus have?
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Single; cover upper 1/3 to 2/3 of vesicle and stick UP.
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What type of vesicles does a. glaucus have?
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Single; loosely arranged and radiate out.
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Which aspergillus has cleistotheicia?
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A. glaucus.
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