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8 Cards in this Set
- Front
- Back
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Fungi
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Eukaryotic; heterotrophic
Single cell: yeast Multicellular: mold |
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Hyphae and mycelium
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hyphae - multicellular filaments
mycelium - mass of hyphae |
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Spores vs Conidia
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spores - sexual reproduction
conidia - asexual reproduction |
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Dimorphic fungi
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alternate b/w hyphae in enviroment and yeast in human tissue
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components of fungal cell wall
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chitin and glucan
ergosterol in cytoplasmic membrane Glucan and ergosterol are targets of antifungal drugs |
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biological significance of fungi (degradation, symbiotic and pathogenic)
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aerobically degrade organic material
Symbiotic rel. w/vascular plants (mycorrhizas - fungal colonization of plants roots to enhance uptake of nutrients) Pathogenic relationships with plants and animals |
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mycotoxicosis
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fungal toxins (mushroom poisoning, ergotism)
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mycoses
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fungal infections; severe only in people with impaired host defenses
can be cutaneous, subcutaneous, systemic, or opportunistic |
