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Mycology & Virology > Intro to Mycology > Flashcards

Intro to Mycology Flashcards

1
Q

knot of twisted hyphae

A

nodular bodies

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2
Q

Gomori methylene or Masson Fontana

general staining for the identification of fungi & fungal elements

A

Gomori methylene stain

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3
Q

Outer cell wall does not participate in the process

A

enteroblastic

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4
Q

Hyphae Parts

  • above the surface
  • aids in sexual reproduction
A

aerial hyphae

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5
Q

Formation of septum stimulates new
growth (chains)

A

thallic conidiogenesis

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6
Q

What are the 2 stains used to differentiate hyaline & phaeoid?

A
  • Gomori methylene stain
  • Masson Fontana stain
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7
Q

Reproduction

Asexual:

Sexual:

A

Asexual: mitosis

Sexual: meiosis

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8
Q

reproduce by budding (blastoconidium) & fission

A

yeast

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9
Q

What is the Greek word for mushroon?

A

mykes

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10
Q

Formed by the daughter cell by pushing
through a minute pore in the parent cell

A

poroconidia

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11
Q

Give 5 hyalohyphomycosis

A
  • Acremonium
  • Aspergillus
  • Fusarium
  • Penicillium
  • Rhizopus
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12
Q

What phase needs 37C with increased CO2

A

yeast phase

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13
Q

Union of cytoplasm from two parent mycelia

A

plasmogamy

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14
Q

woolly & fuzzy appearance in culture doe to aerial hyphae

A

molds

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15
Q

Hyphae Types

  • frequent cross walls
  • 1 nucles/division
A

septate

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16
Q

identified through biochemical & molecular assays

A

yeasts

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17
Q

____ produce haploid spores by mitosis and form visible
mycelia

A

molds

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18
Q
  • ability to exist in two forms depending on temperature
    conditions
  • dimorphic fungi
A

dimorphism

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19
Q

Parent cell wall layers are involved in blastic
daughter cell development

A

Holoblastic

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20
Q

causes hyalohyphomycosis

A

hyaline hyphae

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21
Q
  • unicellular
    • forms a bacteria-like colony
A

yeast

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22
Q

intertwining structures made of hyphae

A

mycelium

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23
Q

coiled hyphae

A

spirals

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24
Q
  • Glass-like or transparent appearance
  • Non or lightly pigmented
A

hyaline hyphae/moniliaceous

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25
Q

paired process of karyogamy and meiosis produce?

A

genetic variation

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26
Q

Have both yeast and mold forms in the same culture

A

polymorphism

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27
Q

sterile structures that hold up
the phialide

A

metulate

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28
Q

Sawtooth or tooth-ringed appearance

A

annelloconidia

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29
Q

Hyphae Types

Aseptate is also known as?

A
  1. sparsely septate
  2. coenocytic
  3. pauciseptate
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30
Q

What phase needs 25C with ambient air

A

Mold phase

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31
Q

decomposers

A

saprophytic/saprobes

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32
Q

5 importance of fungi

A
  • food nutrition
  • food production
  • antibiotic source
  • symbiosis
  • saprophytic
33
Q

Gomori methylene or Masson Fontana

  • hyphae turns from pink into red
  • mycelium becomes brown
A

Masson fontana stain

34
Q

Parent cell enlarges to form a septum

A

Blastic conidiogenesis

35
Q

Give an example of spiral

A

Trichophyton mentagrophytes

36
Q

usually described as “cottony”, “velvety” or “dry”

A

vegetative hyphae

37
Q

extended portion of the
conidiophore

A

vesicles

38
Q

multicellular & vegetative

A

molds

39
Q

Secondary segments born from
conidiophore/sporangiophore

A

phalide/annelide

40
Q

Hyphae Parts

  • absorbs water & nutrients
  • extends downward into the medium
A

vegetative hyphae

41
Q

Conidia that is formed from an annellide

A

annelloconidia

42
Q

root-like processes found in the rhizopus

A

rhizoids

43
Q

Give an example of racquet

A

Epidermophyton floccosum

44
Q

Requires the fusion of hyphae from different mating types

A

Sexual reproduction

45
Q

Conidia emerges from a phialide

A

phialoconidia

46
Q

Enlarged, dome-shaped structure at the tip of the
conidiophore/sporangiophore

A

vesicle/columella

47
Q
  • haploid nuclei fuse to produce diploid cells
  • diploid phase is short-lived & undergoes meiosis to produce haploid spores
  • nuclear fusion
A

karyogamy

48
Q

Importance of Fungi

wine

A

Saccharomyces cerevisiae

49
Q

moose antler hyphae

A

favic chandelier

50
Q

formation of conidia from the hyphae of 1 organism

A

asexual reproduction

51
Q

fruiting bodies with spores inside

A

reproductive hyphae

52
Q

darkly pigmented due to melanin

A

phaeoid hyphae

53
Q
  • simplest form of blastic conidiogenesis
  • barrel-shaped
  • produced by budding
A

blastoconidia

54
Q

Structures Associated with Hyphae

stalks for conidia or sporangium

A

conidiophore/sporangiophore

55
Q

tube-like structures

A

hyphae

56
Q

hyaline hyphae is also known as?

A

moniliaceous

57
Q

phaeoid hyphae is also known as?

A

dematiaceous

58
Q

fungus which grows in association with the roots of a plant in a symbiotic or mildy pathogenic relationship

A

mycorrhizae

59
Q

Gomori methylene or Masson Fontana

exhibits a dark stain

A

Gomori methylene stain

60
Q

asexual structures that form at the hyphae or
conidiophore/sporangiophore

A

conidia/sporangium

61
Q

causes chromoblastomycosis or phaeohyphomycosis

A

phaeoid hyphae

62
Q

Give an example of pectinate body

A

Microsporum audouinii

63
Q

capable of feeding on decaying matter

A

saprophytic/saprobes

64
Q

Give an example of polymoprhism

A

Exophiala spp.

65
Q

haploid nuclei pair off two to a
cell

A

dikaryotic

66
Q

fundamental units of fungi

A

hyphae

67
Q

Another antibiotic source except from Penicillium notatum

A

Penicillium marneffei

68
Q

Give 2 examples of favic chandelier

A

Trichophyton schoenleinii

Trichophyton violaceum

69
Q

easily identified microscopically

A

molds

70
Q

Give 5 chromoblastomycosis

A
  • Alternaria
  • Bipolaris
  • Exophialia
  • Wangiella
  • Cladosporium
71
Q

Forms into a diploid

A

heterokaryon

72
Q

fusion of 2 conidia

A

plasmogamy

73
Q

Fungi use what sexual signaling molecules yo communicate their mating type

A

pheromones

74
Q

Hyphae Parts

produce conidia/spores

A

aerial hyphae

75
Q

enlarged & club-shaped areas

A

racquet

76
Q

Hyphae Parts

Vegetative hyphae is also known as?

A

thallus

77
Q

the haploid nuclei from each parent
do not fuse right away → the haploid nuclei coexist
in the mycelium

A

heterokaryon

78
Q

Give 2 examples of nodular bodies

A

Microsporum canis

Trichophyton mentagrophytes

79
Q

broken comb-like

A

pectinate body

Mycology & Virology (4 decks)

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