Differentiate among the three fungal phyla, Zygomycota, Ascomycota, and Basidiomycota on the basis of their reproduction methods, means of obtaining nutrients, and importance to humans. Be sure to include representative examples of each type of organism in your response.
Your essay should be approximately two pages in length, double-spaced in 10 to 12 point font. If you refer to sources of information besides the textbook, please be sure to cite them in the text and on a reference page using APA format.
The Zygomycota are also called conjugation fungi. The reproduction is both sexual and asexual spores. The sexual spores are the zygospores which results from the fusion of the nuclei of two cells that are similar to each other. Assexually, the spores are sporangiospores which germinate in to new mold thallus if ...view middle of the document...
They include molds and some yeast. The Ascomycota are heterotrophs and obtain nutrients from dead or living organisms. They can consume carbonaceous subtrates including jet fuel and wall paint. They are useful in that they play a role in recycling dead plants. They account for most of the animal and plant pathogens which includes pneumocystis carinii which is responsible for pneumonia in humans and Ophiostoma ulmi which is responsible for destroying elm trees. Other examples include Candida albicans which is a source of yeats infections, Saccharomycetes which is yeast used in beer and bread making and Pencillium chrysogenum and penicillium is a common source of antibiotics.
The Basidiomycota can be unicellular or multicellular, sexual or assexula and terrestrial or aquatic. The most common characteristic to all is the production of basidia, the cells on which sexual spores are produced. They form hyphae which are septate. Examples include rusts (Pucciniales), smuts (Ustilaginales) and mushrooms (Agaricomycetes),jelly fungi (Auriculariales) They are pathogenic to humans and cause infections.
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Swann, Eric and David S. Hibbett. 2007. Basidiomycota. The Club Fungi. Version 20 April 2007. http://tolweb.org/Basidiomycota/20520/2007.04.20 in The Tree of Life Web Project, http://tolweb.org/
Taylor, John W., Joey Spatafora, and Mary Berbee. 2006. Ascomycota. Sac Fungi. Version 09 October 2006 (under construction). http://tolweb.org/Ascomycota/20521/2006.10.09 in The Tree of Life Web Project, http://tolweb.org/
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