Lecture 1 Flashcards

1
Q

What is the study of fungi?

A

Mycology

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2
Q

Stramenopila

A

Oomycetes, water molds, not classified as fungi but similar

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3
Q

Three types of oomycetes

A

Oomycota
Hyphochytridiomycota
Labyrinthulomycota

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4
Q

Four types of slime molds

A

Myxomycota
Plasmodiophoromycota
Dictyosteliomycota
Acrasiomycota

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5
Q

Six types of true fungi

A
Chytridiomycota
Zygomycota
Glomeromycota
Ascomycota
Basidiomycota
Mitosporic fungi
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6
Q

Eukaryotic

A

Nucleus and cytoplasmic organelles are membrane-bound

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7
Q

Thallus

A

Body structure composed of hyphae

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8
Q

Mycelium

A

Branched hyphae forming a feeding network

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9
Q

Three Nuclear states of hyphae

A

Monokaryotic (1 nucleus)
Dikaryotic (2 nuclei)
Coenocytic (mutinucleate, no septa)

Vegetative mycelium is usually haploid (n) or dikaryotic (n+n)

Fungi usually n, oomycetes usually n+n

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10
Q

What is chitin

A

Fungal cell walls, polysaccharide of N-acetyl-D-glucosamine

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11
Q

How to fungi acquire food?

A

Heterotrophic absorption (exude extra cellular enzymes that breakdown complex organic polymers)

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12
Q

Fungal habitat preferences

A

10-50 deg C
pH 3-10
Dark, moist with OM

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13
Q

Chytridiomycota

A

Phylum of fungi, zoosporic, produce zoospores (meiosporic)

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14
Q

Zygomycota

A

Saprophytic fungi, ectomycorrhizal fungi, produce zygospores (meiosporic)

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15
Q

Glomeromycota

A

Arbuscular mycorrhizal fungi, produce asexual spores

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16
Q

Ascomycota

A

Sac fungi, yeasts, etc.

17
Q

Basidiomycota

A

Fungi including rusts, smuts, mushrooms, produce basidiospores (meiosporic)

18
Q

Mitosporic fungi

A

Deuteromycetes, asexual spores (conidia)

19
Q

Mycobiont (lichen component)

A

Symbiosis with algae or Cyanobacteria; can’t survive without the other

20
Q

Mycorrhizae

A

Mutualism with plants, increase water and nutrient absorption

21
Q

Endophyte

A

Mutualism with plants, increased resistance to pests, pathogens, drought