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45 Cards in this Set
- Front
- Back
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Most fungi are…..
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…...terrestrial, microscopic, and inhabit soil or dead plant matter
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Conidia are
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asexual spores
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ascospores and basidiospores are
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sexual spores
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In brown rot
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the cellulose is attacked preferentially, and the lignin is left unmetabolized
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Systemic fungal pathogens are often referred to as ‘opportunistic’ because
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they normally live in the environment and humans become infected through contact with spores or mycelium
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Aspergillosis is a disease primarily of
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the lungs
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The spitzenkörper is a fungal organelle located at
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the hyphal tip
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Fungal cell walls are primarily comprised of the polymer
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chitin
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The most serious types of fungal infections are
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Systemic infections
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A common mechanism in fungal diseases are
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hypersensitivity reactions
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Many fungi produce _____________ that can cause significant disease
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Many fungi produce MYCOTOXINS that can cause significant disease
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Athlete’s foot is an example of a
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superficial fungal infection
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All fungal infections can broadly be termed
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mycoses
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Cutaneous candidiasis results from infection with
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Candida albicans
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Many pathogenic fungi are dimorphic, which means
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They exist either in yeast or filamentous form
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Histoplasmosis can be….
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….subcutaneous
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Pneumocystis is often associated with which disease?
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AIDS
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Give an example of a good target for antifungal therapy
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Ergosterol
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Penicillin G is produced by which organism?
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Penicillium chrysogenum
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Lovastatin is made by which fungus?
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Aspergillus terreus
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Give four examples of industrial products that are produced by fungi
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Antibiotics, Organic acids, Ethanol, Immunosuppressants
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‘QuornTM’ is a meat substitute made of
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Fusarium venenatum
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Blue cheese is often made by use of
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Penicillium roqueforti
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Agaricus bisporus and Pleurotus ostreatus are examples of…
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edible muchroom
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What are ‘white rot’ fungi useful for?
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Biodegradation
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Give four examples of pollutants that can be degraded by fungi
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Insecticides, Herbicides, Heavy fuels, Uranium oxides
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Fungi can be used in agriculture to protect against
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insects
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Name a yeast that is used as a model organism for cell biology
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Saccharomyces cerevisiae
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Mycosis is…
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..a disease caused by a fungus
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Histoplasmosis, a fungal lung infection, is trasmitted by
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airborne spores, often from bird or bat droppings
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A example of an opportunistic fungal infection in AIDS patients is
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Pneomocytosis, Cryptococcosis
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Azoles and allylamines innhibit fungi by
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interrupting ergosterol (cell membrane) synthesis
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What is thhe causitive aget of ringworm
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Microsporum
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Bakinng yeast is
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Saccharomyces cerevisiae
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mycorrhizae are
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fung thati live on the roots of the plants
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White rot fungi digest
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moist wood
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Give an example of a product that uses acetic acid, produced by yeasts
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Food additive (vinegar), component of cellulose acetate for photographic film, polyvinyl acetate for wood glue, synthetic fibres and fabrics ad as a descaling agents
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The anntifungal agent griseofulvin is produced by
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Penicillium griseofulvum
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What type of fungus is Candida albicans?
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Yeast
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Candida albicans is known as dimorphic because….
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It can grow in both unicellular and filamentous forms
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Pneumocystis capsulatum is normally associated with which organ?
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The Lung
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Polyene antifungal drugs target which fungal cellular component?
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Ergosterol
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Superficial mycoses genrally affect the……
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Skin
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Jock itch affects the…..
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genitals
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Ringworm is a superficial infection caused by….
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Microsporum fungi
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