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PLSC 260 > Pathology L4.1 Fungi > Flashcards

Pathology L4.1 Fungi Flashcards

1
Q

How do fungi take up nutrients

A

By osmotrophy (digest externally than absorb directly through cell wall)

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2
Q

Mycelium

A

Body of filamentous fungus

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3
Q

Hyphae

A

Root like structure of mycelium that is composed of microscopic, branching, tubular cells

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4
Q

Appressorium

A

Specialized structure of fungus that help attachment during infection

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5
Q

Haustoria

A

A root like structure that forms when a specialized fungal hyphae penetrates a plant cell wall and expands inside the cell

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6
Q

How can fungi reproduce

A

Asexually by budding, mycelial separation, and fungal spores

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7
Q

Spores

A

A dispersal unit that consists of 1 or several cells capable of forming new hyphea and do not contain an embryo

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8
Q

Fruiting body

A

Complex fungal structures that contain or bear spores

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9
Q

Types of fruiting bodies

A

Perithecium (sexual)
Basidium
Aecium
Pycnidum (asexual)

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10
Q

What are spores that are formed asexually called

A

Mitospores

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11
Q

What are spores that are formed sexually called

A

Melospores

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12
Q

How are fungi catagorized

A

What plant stage they affect (seeds, seedling, adult)
What part of the plant they affect (roots, leaves, shoots, etc)

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13
Q

What are the 2 names of fungi based on

A

Sexual stage (teleomorph) - preferred name
Asexual stage (anamorph)

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14
Q

Phylum and class of ascomycota

A

Phylum ascomycota
Class ascomycetes

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15
Q

What is the largest group of fungi

A

Ascomycota

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16
Q

Characteristics of ascomycota mycelium

A

Well developed haploid mycelium with septa at regular intervals

17
Q

What are sexual ascomycota spores called

A

Ascospores

18
Q

What are asexual ascomycota spores called

A

Conidia

19
Q

What are a group of 8 ascomycota spores in a sac called

A

Ascus

20
Q

What is the fruiting body of a basidiomycota called

A

Basidiocarp

21
Q

Second largest group of fungi

A

Basidiomycotya

22
Q

What are sexual spores of basidiomycota called

A

Basidiospores

23
Q

What is a group of 4 sexual basidiomycota spores called

A

Basidium

24
Q

Kingdom chromista phylum and other common name

A

Oomycota
Water mold

25
Q

Oocycota _______ closely related to true fungi

A

Is not

26
Q

What are the sexual spores called in the kingdom chromista

A

Oospores

27
Q

Examples of kingdom chromista organisms

A

Late blight of potato and tomato (phytophthora infestans)
Damping off (pythium sp)
Aphanomyces root rot of pulses

28
Q

Protista phylums

A

Myxoomycota
Plasmodiophoromycota

29
Q

Example of protista

A

Club root of canola caused by plasmodiophora brassicae

PLSC 260 (14 decks)

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