Fungal Characteristics 1)Cell wall made of Chitin 2)Heterotrophs and major Decomposers 3)Body is made of Long filaments of hyphae which form a
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4 Fungal Characteristics 1)Cell wall made of Chitin 2)Heterotrophs and major Decomposers 3)Body is made of Long filaments of hyphae which form a mycelium 4)Reproduce sexually and asexually Asexually by spores Sexually by mating of hyphae filaments
5 An example of Fungi You know
6 Mushrooms Club Like Fungi or Basidiomycete Fungi
7 Bracket Fungi Basidiomycete Fungi
8 Bread Mold a Zygomycete Fungi
9 Cup Fungi Ascomycete Fungi Note the cup shapes and orange peel colour
10 Kingdom Fungi you must know 5 Major Phyla 1. Phylum Zygomycota = the Bread Molds Rhizopus black bread mold 2. Oomycota = the Water Molds Water mold, potato blight, mildew 3. Phylum Ascomycota = the Sac Fungi Yeast, morels, truffles 4. Phylum Basidiomycota = the Club Fungi Mushrooms, puffballs, bracket fungi, rusts, smuts, toadstools 5. Phylum Deuteromycota = the Fungi Imperfecti
11 Zygomycota (Rhizopus) the Common Molds -are primarily decomposers -asexual spores may be produced in sporangia -sexual reproduction occurs between + and strains forming a 2n zygote; a zygospore develops and may lie dormant for a long period of time; meiosis occurs just before germination -only the zygote is diploid; all hyphae and asexual spores are haploid
12 Zygomycota common molds The fungal mass of hyphae, known as the MYCELIUM penetrates the bread and produces the fruiting bodies on top of the stalks Mycelia = a mass of hyphae or filaments
13 Rhizoids = root-like hyphae The zhizoids meet underground and mating occurs between hyphae of different molds (SEXUAL REPRODUCTION)
14 Zygomycota (Rhizopus)
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16 Lifecycle of a Zygomycete Fungi Asexual then Sexual
17 Ascomycota Cup Fungi Life Cycle
18 Yeast is an Ascomycete Fungus
19 Truffles are round, warty, fungi that are irregular in shape. They vary from the size of a walnut to that of a man's fist. Since the times of the Greeks and Romans these fungi have been used in Europe as delicacies, as aphrodisiacs, and as medicines. They are among the most expensive of the world's natural foods, often commanding as much as $250 to $450 per pound. Truffles are harvested in Europe with the aid of female pigs or truffle dogs, which are able to detect the strong smell of mature truffles underneath the surface of the ground. The female pig becomes excited when she sniffs a chemical that is similar to the male swine sex attractant. The use of dogs to find truffles is also and option.
20 Morels are Ascomycete Fungi
21 Basidiomycete or Club Fungi
22 Life Cycle of Basidiomycete Fungi
23 Bracket Fungi Puff Balls Basidiomycete Fungi that all produce Basiospores Jelly Fungi Mushrooms
24 Other Basidiomycetes Rusts and Smuts Rust infecting wheat leaves Rust infecting a Leaf Whitrot Smut digesting old wood
25 Deuteromycota (Imperfect Fungi) -Regarded as imperfect because they exhibit no sexual stage has been observed in their life cycle -Members are not closely related and are not necessarily similar in structure or appearance; do not share a common ancestry, polyphyletic = coming from many ancestors hmm weird
26 Deuteromycota the Fungi Imperfecti Resemble Ascomycetes, but their reproductive cycle has never been observed Penicillium fungi Different from Ascomycetes because there is a definite lack of sexual reproduction, which is why they are called Imperfect Fungi Up Close
27 Water Molds -- Oomycota The water molds are better known as the MILDEWS. Fish tank fuzz is an example. Protist-like mold because share common characteristics with plant-like protists, such as the cell wall
28 LifeCycle of Oomycota
29 Things to Know about Oomycete Fungi Water molds or mildews Cause diseases such as potato blight Cell walls made of cellulose (like plant) Hyphae have multiple nuclei! Because the cell walls do not fully close off. 5. Spore swims away like a flagellate, which is why it is protist like (think of Euglena)
30 Irish Potato Famine of 19th Century Devastated potato crops, causing devastating starvation in Ireland
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32 Phylum Oomycota Ex s Characteristi cs Asexual Sexual Mildew Cellulose cell Flagellated Gametes fuse oospores from in gametangia Spud blight walls, 2N hyphae sporangia creating oospores Zygomycota Rhizopus a Chitin cell dung walls fungus Coenocytic = hyphae lack crosswalls Unflagel. spores drop from sporangia Ascomycota Yeast, morels, truffles Conidia on Hyphae + & conidophores fuse to create ascospores in ascus Gametangia fuse to create zygospore
33 Basidiomycota Mushrooms Cross Asexual by way of Sexual when Puffballs, walls in Conidophores hyphae fuse in rusts, smuts hyphae which produce BASIDIA to conidiospores produce basidiospores Fungi Imperfecti Penicillium, Similar Athlete s To Foot Deuteromycota Basidio fungus, and Tomato Zygomy Blight Asexual by conidia which produce conidophores Sexual repro Not known
34 Cross Walls of Hyphae Coenocytic hyphae where the nucleis of each cell is embedded in the cytoplasm without a cell wall Eg. Zygomycota, Oomycota co e n o c y t i c h a v i n g m u l Hyphae with cross walls Eg. Basidiomycota, Ascomycota
35 Lichens Lichens are mutualistic symbiotic organisms. They have an fungus and a or cyanobacterial portion. There are three lichen growth forms which are predominant in nature:
36 Fruticose Crustose Foliose
37 Mycorrhizae Mycorrhizae means fungus-root ; mutualistic relationship between plant and fungi The plant photosynthesizes while the fungus more efficiently takes up nutrients and water from the rhizosphere than the roots would alone. Plant benefits include: Improved nutrient/water uptake Improved root growth Improved plant growth and yield Improved disease resistance Reduced transplant shock Reduced drought stress
38 Soredia are the asexual reproductive part of lichens, containing both symbionts. Rhizines may be present to anchor the lichen. Notice the distinctive algal layer and the fungal layer present in the above illustration.
39 This powerpoint was kindly donated to is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.
21-2 Classification of Fungi Slide 2 of 44
2 of 44 Fungi are classified according to their structure and method of reproduction. The four main groups of fungi are: Common molds (Zygomycota) Sac fungi (Ascomycota) Club fungi (Basidiomycota) Imperfect
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