1. Fungi (& a little more Cyanophyta) For Dr. Hughey’s Bio 3 ClassSI
Biology
SI Session
Topic 12
Fungi (& a little more Cyanophyta)
Spring 2010
For Dr. Hughey’s Bio 3 Class
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Sporophytes(2n)
Asexual
(meiosis)
Sporangia
Spores(n)
Basic Life cycle
(Asexual and Sexual)
Zygotes(2n)
Gametophytes(n)
Female/male
Gametangia
Sexual
(mitosis)
Gamates(n)
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Kingdom Fungi
Chytridiomycota
Zygomycota
Ascomycota
Basidiomycota
Morchella
Agaricus
Allomyces.
Rhizopus
Puccinia
Neurospora
Saccharomyces
Ustilago
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Reproduction
Chytridiomycota
Zygomycota
Ascomycota
Basidiomycota
-Sexual to form a sporophyte.
-Asexual by zoospores.
-Sexual to form a zygosporangium.
-Asexual by nonmotile spores.
Sexual to form asci.
Asexual by budding, conidiospores, fragmentation
Sexual to form basidia.
Asexual by budding, conidiospores, fragmentation.
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Chytridiomycota
-Primitive fungi
-Allomyces ~ Water mold
Gametophytes(n)
Sporophytes(2n)
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Phylum ____________
Genus ____________
Chytridiomycota
Allomyces
Gametophytes(n)
-Contain female and male gametangia
Gametangia
-produce gametes(n) by mitosis
Release gametes(n)
male gametangium
female gametangium
Sporophytes(2n)
-Contain sporangia.
Sporagia
-produce spores(n) by meoisis.
sporangia
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Phylum ____________
Genus ____________
Chytridiomycota
Allomyces
Gametophytes?
Sporophytes?
Haploid(n)?
Diploid(2n)?
Gametophytes(n)
Sporophytes(n)
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Mushroom structure A: B: C: D:
Cap(pileus)
Gill
Ring
Stalk,Stipe E:
F:G: H:
Spores
Volva
Hypa(e)
Mycelium
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Hyphae
-Filamentous strands that make up the fungal thallus
-collective hyphae = mycelium
-Transport the food and feed
-may grows to reproductive structure.
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________ Hyphae
Cells are divided by cross-walls (septa).
Septated
________ or coenocytic (without septa)
-Long, continuous cells that are not divided by septa.
Aseptate
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Septum
Aseptated hyphae
Septated hypae
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___________
-Rootlike filament
-Absorb water & nutrient
Rhizoids
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Phylum ____________
Basidiomycota
Phylum ___________
Ascomycota
Agaricus
Genus ____________
Morchella
Genus ____________
Phylum ___________
Basidiomycota
Phylum ____________
Chytridiomycota
Amanita
Genus ____________
Genus ____________
Allomyces
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Sporangia
Phylum ____________
Chytridiomycota
Genus ____________
Allomyces
Sporangiophore
female
Gametangia
male
Gametangia
male
female
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Be able to identify an ascomycete and basidiomycete if you saw one.
Phylum ______________
Ascomycota
Genus ______________
Saccharomyces (yeast)
Is it Asexual or Sexual?
Most of the organism reproduce by
__________.
Budding
Phylum ______________
Basidiomycota
Genus ______________
Agaricus
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Phylum ______________
Zygomycota
Rhizopus
Genus ______________
Sexual? Asexual?
What is the structure name?
_______________
Zygosporangium
Hyphae
What is inside?___________
Zygospores
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Zygosporangium
Both are Rhizopus.
Sporangium
Sporangiophores
Gametangium
Sexual? Asexual?
Sexual? Asexual?
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Zygosporangium
Gametangia
Zygote
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Phylum ______________
Basidiomycota
Coprinus
Genus ______________
Sexual? Asexual?
Basidium- A small, specialized club-shaped structure typically bearing four basidiospores at the tips of minute projections.
Basidium
__________
Basidiospores
_______________
Basidiospores
_______________
Gill
__________
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Fruit ????
The fertile, often spore-bearing structure of a plant that does not bear seeds.
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___________________
the fruiting body of a basidiomycete which bears its spores on special cells
Basidiocarp(Basidioma)
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Phylum ______________
Ascomycota
Penicillum
Genus ______________
Sexual? Asexual?
Phylum ______________
Ascomycota
Aspergillus
Genus ______________
Sexual? Asexual?
Both are _______________.
conidial fungi
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______________
Conidum/Conidia
______________
Conidiophore
Conidiophore
_____________________
Spore-producing structures
Conidia
_____________________
The chains of asexual spores, formed on a conidiophore.
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Phylum ___________
Ascomycota
Morchella
Genus ____________
Phylum ___________
Ascomycota
Genus ____________
Peziza
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Sexual? Asexual?
Basidia/Basidospores
Sexual? Asexual?
Asci/Ascospores
Sexual? Asexual?
Conidiospores/Conidia/Conidiophores
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What are they?
__________________
Lichens
What are they consist of?
__________________
Algae + Ascomycota or Basidiomycota.
Reproduction method?
__________________
Fragmentations
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What type of lichen?
crustose
fruticose
fruticose
_______________
_______________
_______________
foliose
_______________
Crustose & folise
_______________
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What are lichens consist of?
__________________
Algae + Ascomycota or Basidiomycota.
Algal cells
Fungal filaments
(Hyphae)
Algal layer
_____________
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Mycorrhiza: “Fungus Roots”
Ectomycorrhiza
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Phylum ______________
Cyanophyta
Oscillatoria
Genus ______________
Reproduce by _____________
Fragmentation
___________: A part of a filament of a cyanobacterium that detaches and grows by cell division into a new filament.
Hormogonia
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Phylum ______________
Cyanophyta
Genus ______________
Anabaena
What is it?
Heterocyst
Function?
Nitrogen fixation
Phylum ______________
Cyanophyta
Nostoc
Genus ______________
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Akinete
Function?
Resting spores: Cells that are resistant to unfavorable conditions.
Heterocyst
Function?
Nitrogen fixation
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The akinetes of Nostoc are usually located halfway between the heterocysts. This differs from Anabaena, where the akinetes are normally adjacent to the heterocysts. (Wikipedia)
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In the Dr. Hughey’s
1. Cells in filaments with mucilage, but no large sheath Anabaena 1. Cells in filaments that are embedded in a large gelatinous sheath that is globular in shape Nostoc Jeff
Nostoc
Anabaena
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