1 / 18

Kingdom Fungi: Ecological Importance and Reproductive Structures

Explore the ecological and economic significance of Kingdom Fungi, their diverse structures and reproductive processes. Learn about fungal phyla, life cycles, and typical body characteristics, including mycelium and hyphae variations.

jstacy
Télécharger la présentation

Kingdom Fungi: Ecological Importance and Reproductive Structures

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Ch. 29, Kingdom Fungi pp. 597-602. Topics • Ecological and economical significance • Typical structures of fungal body • Fungal reproduction - life cycles • Fungal phyla - cladogram

  2. Ch. 29, Kingdom Fungi pp. 597-602. Fungi • Eukaryotic, ~100,000 species, varied in shape, mostly terrestrial • Chitin + complex carbohydrates in cell wall • Not photosynthetic • Heterotrophs - saprobic, some parasitic • Important decomposers • Spores to weather difficult conditions • Very hardy organisms • Resistant to wide ranges of osmotic and pH conditions, and temperature

  3. Fungal Body Characteristics Ch. 29, Kingdom Fungi pp. 598-599. • Mycelium - threadlike structures - hyphae • Many hyphae - coenocytic; multicellular without frequent cross walls (c) • Others - septa - contain one or more nuclei (c or d)

  4. Fungal Reproduction Ch. 29, Kingdom Fungi p. 599-601. • By spores - reproductive (asexual/sexual) cells usually haploid, microscopic, spread by wind/water/animals • – sporangia • – fruiting bodies • – conidia • – budding • Sexual reproduction/cycle – pheromones – fusion of haploid hyphae – plasmogamy – dikaryotic stage –karyogamy resulting in zygote nucleus ---- Sexual sporangia

  5. Typical fungal life cycle Ch. 29, Kingdom Fungi p. 600.

  6. Ch. 29, Kingdom Fungi p. 601-602. Six Phyla Fruiting bodies, sexual spores, molecular data – used for classification Table 29-1 Deuteromycota – Polyphyletic

  7. Mycelium – tangled mass of individual hyphae – All Fungi are in large eukaryotic clade, Unikonts

  8. Rhizopus (bread mold) sporangia and mycelium - Zygomycota

  9. Rhizopus(bread mold) life cycle

  10. Glomeromycota Ascomycota and Basidiomycota

  11. Phylum ASCOMYCOTA – life cycle

  12. ascocarps – fruiting bodies of Ascomycota

  13. Ascomycota - ringworm

  14. Ascomycota – brown rot

  15. Peziza ascocarps, asci and ascospores ascospores ascus

  16. Phylum BASIDIOMYCOTA Genus Agaricus - edible cap gills stalk

  17. Coprinus basidipocarps, gills and basidiospores

  18. Penicillium conidiophores and conidia - Phylum DEUTEROMICYCOTA earlier but (“imperfect” fungi) now in ASCOMYCOTA conidia conidiophores

More Related