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65 Cards in this Set
- Front
- Back
What Yeast shows + germ tube test |
Candida albicans; all others are negative |
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What colors are: C. albicans, glabrata and kruzei on CHROM agar? |
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What colors are C. tropicalis, Trichosporon beigelli, Cryptococcus neoformans on CHROM agar? |
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How are Zygomycetes classified? |
Broad hyphae which are mainly nonseptate |
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Zygomycetes produce structures called _________ which have an asexual structure called a __________ that produce _____________. |
Zygomycetes produce structures called sporangiophores which have an asexual structure called a sporangium that produce sporangiospores |
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Name the 3 Zygomycetes fungi. |
1) Rhizopus sp. 2)Mucor sp. 3) Cunninghamella sp. |
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Name 6 Hyaline fungi. |
1)Aspergillus niger 2)Aspergillus flavus 3)Aspergillus clavatus 4)penicillium spp 5)Fusarium spp 6)Scopulariopsis spp |
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How are Hyaline fungi different from Zygomycetes fungi? |
Hyaline fungi have clear septate hyphae and Zygomycetes does not. |
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Aspergillus clavatus |
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Aspergillus flavus |
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Aspergillus niger |
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Mucor spp |
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Rhizopus spp. |
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Cunninghamella spp. |
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What are dermatiaceous fungi? |
organisms that produce dark colonies due to pigmentation on their cell walls |
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Chromoblastomycosis is a dermatiaceous disease that causes what? |
Chronic infection, forms schlerotic bodies. Cutaneous and subcutanous locations, however can spread to CNS, lungs and muscle |
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Phaehyphomycosis is a dermatiaceous disease that causes what? |
cutaneous, subcutaneous or systemic infections |
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Mycetoma is a dermatiaceous disease that causes what? |
Chronic, tumor-like lesions that are generally on hands/feet |
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How do dermatiaceous fungi enter the body? |
Usually by traumatic implantation from environment to tissue |
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Alternaria spp. Causes: phaeohyphomycosis |
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Cladosporium Causes: chromoblastomycosis Found in Australia, Venezuala and S. Africa |
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Phiolophora spp. Causes: Chromoblastomycosis Found in N. America Rarely causes phaeohyphomycosis and mycetoma |
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Name 3 dermatiacious fungi |
1)Alternaria spp. 2)Phiolophora spp. 3)Cladosporium spp. |
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Penicillium spp. Causes: keratitis, UTI, respiratory and ear infections |
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Fusarium spp. Causes: Mycotic eye infections, Mycetoma, sinusitis, skin and nail infections |
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Scopulariopsis spp. Causes: tonail infections |
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What are the characteristics of the Dermatophyte fungi? |
Dermatophytes are filamentous. They do not penetrate the skin, but grow by digesting the keratinized layor of the outside skin. |
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What are the 3 genera of dermatophytes? |
1)Epidermophyton (no microconidia)(NOT IN LAB) 2)Microsporum (microconidia) 3)Trichophyton (microconidia) |
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Microsporum gypseum Causes: ringworm in chickens, rarely in human scalp |
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Trichophyton rubrum Causes: Most common dermatophyte to infect human skin and nails |
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Microsporum canis Causes: infection of the scalp and skin in children and dogs/cats |
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Trichophyton mentagrophytes Causes:Invades all parts of the body, common cause of athletes foot |
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Microsporum nanum Causes: ringworm in pigs and rarely humans |
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Mucor spp. (zygomycete) |
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Mucor Spp. (Zygomycete) |
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Rhizopus spp. (zygomycete) |
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Rhizopus sp. (Zygomycete) |
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Cuninghamella spp. (zygomycete) |
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Cuninghamella spp. (zygomycete) |
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Aspergillus flavus |
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Aspergillus flavus |
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Aspergillus niger |
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Aspergillus niger (Hyaline) |
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Aspergillus clavatus (Hyaline) |
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Aspergillus clavatus (Hyaline) |
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Alternaria (Dematiaceous) |
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Alternaria (Dematiaceous) |
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Penicillium spp. (Hyaline) |
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Penicillium (Hyaline) |
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Fusarium spp. (Hyaline) |
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Fusarium spp. (Hyaline) |
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Scapulariopsis spp. (Hyaline) |
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Scapulariopsis spp. (Hyaline) |
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Trichophyton mentagrophytes (dermatophyte) |
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Trichophyton rubrum (dermatophyte) |
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Trichophyton rubrum (dermatophyte) |
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Microsporum gypseum (dermatophyte) |
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Microsporon gypseum (dermatophyte) |
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Microsporum nanum (dermatophyte) |
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Microsporum nanum (dermatophyte) |
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Microsporum canis (dermatophyte) |
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Microsporum canis (dermatophyte) |
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Aspergillus flavus |
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Cladosporium spp. (dermatiaceous) |
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Sunburst buff coat with middle orange button |
phiolophora spp. |