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92 Cards in this Set
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4 ascocarp types |
Cleistothecium, apothecium, perithecium, locule |
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Cleistothecium |
Closed sheath, spherical, round asci |
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Apothecium |
Open sheath, hymenium, no timed release, eggs in one basket |
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Perithicium |
Stroma, surround sheath, timed release |
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Locule |
Stroma part of fruiting body |
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A: yeast, B: Cleistothecium, C: Apothecium, D: Perithecium, E: Locule |
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Ascomycota septae |
Simple porate |
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Telemorph |
Sexual state, undergoes meiosis |
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Anamorph |
Asexual state, undergoes mitosis |
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Ascocarp |
Fruiting body |
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Biproduct of yeast |
Ethanol, CO2, water |
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Hypertrophy |
Enlargement of cells |
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Hyperplasia |
Excessive cell reproduction |
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Purpose of hypertrophy and hyperplasia |
Increase surface area for asci growth |
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Plectomycetes and orders |
Ascomycota with cleistothecium Eurotiales Onygenales Erysiphales |
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Moniliaceae vs dermatiaceae |
Light spores vs dark |
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Ascus |
Internal sac of ascomycota where sexual spores are born |
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Conidia |
External structure where asexual spores are born |
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Sex state of Ascomycota |
Antheridium moves up into trichogyne and then plasmogamy occurs |
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Heterothallic |
Requires a mate |
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Homothallic |
Able to reproduce with themselves |
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3 new classification subphylums |
Taphrinomycotina: plant pathogens Saccharomycotina: Yeasts Pezizomycotina: everything else |
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Hemiascomycetes |
Half-asscocarp, no fruiting structure |
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Three orders of Hemiascomycetes |
Saccharomycetales: ascus arises from fusion cell Taphrinales: ascus arises from a different cell Protomycetales: more primitive |
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Asexual reproduction (yeasts) |
Budding, disarticulation |
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Saccharomycetales |
Order of hemiascomycetes, Yeasts |
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Taphrinales |
Parasites of vascular plants |
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Yeast |
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Taphrinales |
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Taphrinales life cycle |
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Protomycetales |
Most primitive hemiascomycetes, many modes of reproduction, typically fission, some are pathogens |
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Protomycetales |
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Plectomycetes orders |
Eurotiales: cleistothecium, globose asci Onygenales: gymnothecium, loosely woven wall Erysiphales: powdery mildew, broadly clavate asci in a hymenium |
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Eurotiales |
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Penicillium |
In order eurotiales, antibiotic, cheese |
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Penicillium conidia |
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Aspergillus |
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Aspergillus |
In order Eurotiales, aflatoxin, citric acid, drugs |
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Onygenales |
Can degrade keratin, medically important, true human pathogens |
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Racquet hyphae in onygenales |
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Ringworm and athletes foot |
Onygenales |
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Gymnothecium |
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Thermal dimorphs |
Change structure based on temperature |
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Erysiphales |
Powdery mildews, hymenium, obligate parasite, haustoria |
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Haustoria |
Branching structure into host plant cell |
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Haustoria |
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Cleistothecium of erysiphales |
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Cleistothecial appendages of powdery mildew |
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Perithecia of erysiphales |
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Aspergillus niger |
Citric acid |
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Perithecium |
Flask structure with apical pore and hymenial layer |
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Stroma |
Mass of sterile tissue |
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Periphyses |
Sterile filaments in tip of Perithecium |
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Paraphyses |
Sterile filaments around asci in Perithecium |
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Ascospore dispersal |
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Orders of pyrenomycetes |
Sphaeriales (Xylariales, diaporthales, sordariales) Hypocreales Ophiostomatales |
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Sordariales |
Order in order sphaeriales: single dark Perithecia |
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Xylariales |
Stroma with perithecia embedded |
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Diaporthales |
Long neck/stem |
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Chestnut blight |
Introduced to new york from asia in 1904, caused by Cryphomectria parasitica, canker disease, diaporthales |
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Diaporthales |
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Hypocreales |
Hypocreaceae: brightly colored, soft or waxy, clavixipitaceae: stroma developed, needle like ascospores |
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Cordyceps |
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Important clavicipitaceae |
Cordyceps, claviceps: ergot poisoning |
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Ophiostomatales |
Beaked perithecia, scattered globose asci |
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Dutch elm disease |
Ophiostomatales |
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Discomycetes |
Apothecium, asci born exposed, ascospores forcibly discharged, |
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Operculate |
Lid like opening in discomycetes |
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Orders of Discomycetes |
Phacidiales: ascospores thread like Helotiales: ascospores rounded Pezizales: operculate asci Tuberales: ascospores spherical and ornamented |
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Tar spot of maple (Rhytisma acerinum) in phacidiales |
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Phacidiales |
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Heliotales, Cup or tongue shaped, |
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Pezizales |
Conidia rare, saprophytes, morrells, operculate, |
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Tuberales |
Truffles, all produce ascocarps below ground, spores not discharged, |
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Loculoascomycetes |
Stroma with embedded psuedothecia |
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Loculoascomycetes |
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Loculoascomycetes |
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Heliotales, blue stain |
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Jelly babies, hypocreales |
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Tuberales, truffle |
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Phacidiales |
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Morchella, pezizales |
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Loculoascomycetes |
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Venturia inequalis, apple scab |
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Aspergillus |
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Deuteromycetes |
No known teleomorph, alternate classification scheme |
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Three classes of deuteromycetes |
Blastomycetes: Yeasts Coelomycetes: asexual spores borne on pycnidia or acervuli Hyphomycetes: asexual spores borne not on structure |
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Orders of blastomycetes |
Cryptococcales: busding yeast Sporobolomycetes: form on conidia then buller drop |
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Ceolomycetes orders |
Sphaeropsidales: pycnidia Melanconiales: acervuli |
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Hyphomycetes orders |
Hyphomycetales: moniliaceae and dematiaceae Stilbellales: synnata or coremia Tuberculariales: thin pads of sterile hyphae |
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Conidiogenesis forms |
Blastic: comes out top Thallic: extends then splits |
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How does evolution occur with mitosis |
Parasexual cycle, transient diploid, mitotic crossing over, mutation |