30 - Fungi more related to us than plants What are the...

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Fungi more related to us than plants What are the fungi? Monophyletic means there is a common ancestor Heterotrophic : Energy from eating other organism; they secrete external digestive enzymes into environment; they also have chitin in cell walls Recyclers: The majority of fungi are saprobes; SAPROBES obtain their nutrition from extracellular digestion of dead organic matter by enzymes they secrete; Thus, the fungi include a major group of detritivores Pathogens: Mycosis = infection by a fungus. Myco means fungus Athlete’s foot, vaginal yeast infection, most people who die of aids die from fungal infections, most important plant infection is fungi. Parasites:… some fungi are mutualists : plants gain increased surface area to absorb nutrients and water, fungi gain Sugars and amino acids from photosynthesis What is special about fungal anatomy? Fungi can be unicellular or multicellular Mycelium is a body of multicellular fungus: sometimes they form a fruiting body Hyphea are filaments/branches of mycelium
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This note was uploaded on 04/24/2008 for the course BIOLOGY 020.152 taught by Professor Pearlman during the Spring '08 term at Johns Hopkins.

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30 - Fungi more related to us than plants What are the...

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