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33 Cards in this Set
- Front
- Back
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histoplasmosis |
spring breakers got this disease from histoplasma- mold form capsulatum- yeast form |
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fungi features |
lack chlorophyll -have plasma membranes -cell walls of chitin -absorptive -asexual and sexual |
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chitin |
polymer of NAG |
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saprophytes |
nutrients from dead organic matter |
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mycology |
study of fungi |
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mycoses |
diseases caused by funji |
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mycotoxicosis |
poisoning by fungal toxin |
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aflatoxins |
intercalate into DNA -cause mutations -carcinogen |
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Ergot alkaloids |
LSD structure -delusions, convulsions -treat migraines, induce labor |
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lichens |
fungi and cyanobacteria |
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mycorrhizal |
symbiotic relationship between plants and fungi |
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yeasts |
unicellular fungi |
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Saccharomycescerevisiae |
yeast of – bread, beer, wine |
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Candida albicans |
microflora of mouth, vaginaand intestinal tract |
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thrush |
candida albicans passed down to newborn from mother at birth |
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mold |
filamental fungi |
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asexual reproduction of fungi |
binary fission, budding, and spore production |
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condiospores, sporangiospores |
spore production examples |
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yeast sexual reproduction |
mating types a and alpha are unique to mold or yeast |
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sexual reproduction
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hyphae meet and fuse |
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dikaryon |
single hypha with twodistinct nuclei |
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8 divisions |
18S rRNA analysis groups fungi into |
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Chytridiomycota– Zygomycota– Ascomycota– Basidiomycota |
4 well known divisions of fungi |
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chytridiomycota |
simplest fungi, aquatic, motile flagellates zoospore |
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chytridiomycosis |
massive frog death |
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zygomycota |
division of fungi -sexual zygospores, asexual sporangiospores -ex: rhizopus |
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rhizopus |
example of zygomycota -meat tenderizer, birth control agents, tempeh |
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ascomycota |
division of fungi -sac fungi -sexual ascospores -asexual conidiospores saccharomyces, aspergillus, penicillum, Geomyces |
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geomyces |
ex of ascomycota
-white nose syndrome in bats -psychrophile -infects skin of bats when they be hibernating |
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basidiomycota |
division of fungi -club fungi -basidium-bears sexual baridiospores -ex: mushroom, crytococcus neoformans |
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agaricus |
edible mushroom
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amanita |
inedible mushroom -death angel -amanitin is the peptide toxin, targeting RNA pol |
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crypotcoccus neoformans |
–Pathogen in AIDS andotherimmunocompromisedindividuals -inhaled, pigeon droppings -infects lungs, can cross blood brain barrier -covers itself with capsule -melanin-like pigment production |
