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Mycology & Virology > Thallic Conidiogenesis > Flashcards

Thallic Conidiogenesis Flashcards

1
Q

whole parent cell is involved in the daughter cell development

A

conidia

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2
Q

daughter cell fragments within hyphen strand

A

arthric

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3
Q

asexual spores of zygomycetes

A

sporangiospores

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4
Q

dandelion-like appearance

A

sporangiospores

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5
Q

formation of septum stimulates new growth

A

thallic conidiogenesis

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6
Q

large
septate
oval shaped/club-shaped

A

macroconidia

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7
Q

give an oval/club shaped species

A

Epidermophyton

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8
Q

Give the ff species:

Cylindrical:
Fusiform:
Mosaic:
Spiny:

A

Cylindrical: Trichophyton
Fusiform: Microsporum
Mosaic: Muriform or Dicytospore
Spiny: Echinulate

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9
Q

small
unicellular
born on hyphae’s sides

A

microconidia

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10
Q

Chlamydoconidia is also known as?

A

chlamydospores

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11
Q

formed from the rounding up & enlargement of the hyphal segments

A

chlamydoconidia

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12
Q

conidia is on the tip/endpoint of the hyphae

A

Terminal chlamydoconidia

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13
Q

conidia is within the hyphal segment

A

Intercalary

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14
Q

Conidia is on the hyphal segment sides

A

Sessile

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15
Q

Arthroconidia is also known as?

A

arthrospores

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16
Q

rectangular/barrel shaped arthric

A

Arthroconidia

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17
Q

chain-like appearance due to fragmentation of mycelium at the septum

A

Arthroconidia

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18
Q

presence of empty/dysjunctor cells like joints & gives a checkered apperanceo

A

arthroconidia

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19
Q

Give common arthric organisms

A

Geotrichum
Trichophyton
Coccidioides immitis

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20
Q

sac-like structures from which sporangiophores arise

A

Sporangium

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21
Q

protrudes from the base of the columella

A

Collarette

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22
Q

extended enlarged tip of the sporangiophores

A

Columella

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23
Q

Sporangiospores’ stem

A

sporangiophore

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24
Q

connects one sporangiophore to another

A

stolon

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25
Q

Give 4 spores involved in sexual reproduction

A
  1. Ascospores
  2. Basidiospore
  3. Zygospore
  4. Oospore
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26
Q

sac fungi

molds with septate hyphae

A

ascospores

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27
Q

fruiting body:
hyphal elements in between asci:
exit point of ascopores:

A

fruiting body: ascocarp
hyphal elements in between asci: paraphyses
exit point of ascopores: apical pore

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28
Q

cup-shaped

ascu are produced inside a cup

A

apothecium

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29
Q

ascocarp is enclosed

no opening

A

cleistothecium

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30
Q

similar to cleistothecium

ascu are released through the wall openings

A

gymnothecium

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31
Q

asci are produced in locules (cavities) in hard masses of supporting hypha (stroma)

A

ascostroma

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32
Q

flask-shaped

has an opening where ascospores are released

A

perithecium

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33
Q

club fungi

“bas” = club-shaped

A

Basidiospores

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34
Q

spores produced on a basidium

A

basidiospores

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35
Q

conjugation fungi and has a large spore in a thick wall

A

zygospores

36
Q

fusion of cells from 2 separate non-identical cells

A

oospore

37
Q

Give 3 sexual reproduction phases

A
  1. Teleomorph
  2. Anamorph
  3. Synanamorph
38
Q

Sexual Reproduction Phase in a perfect state and reproduce sexually

A

Teleomorph

39
Q

Sexual Reproduction Phase in an imperfect state that can reproduce asexually

A

Anamorph

40
Q

Sexual Reproduction Phase where there is more than 1 anamorph present for the same teleomorph

A

Synanamorph

41
Q

Zygomycota is also known as?

A

glomeromycota

42
Q

“lid lifters”

A

zygomycota

43
Q

can be septate or sparsely septate/coenocytic

A

Zygomycota

44
Q

zygomycota’s
asexual reproduction:
sexual reproduction:

A

asexual reproduction: sporangium

sexual reproduction: zygospores

45
Q

septate
presence of ascospores
arthroconidia

A

ascomycota

46
Q

septate with clamp connections;

basidiospores presence

A

Basidiomycota

47
Q

fungi imperfecti (no mode of sexual reproduction)

A

deuteromycota

48
Q

most causes of plant disease, mycoses, and allergies

most nonpathigenic

A

deuteromycota

49
Q

Deuteromycota’s pathogenic fungi are dimorphic because they can turn into yeast form at what temperature?

A

37C

50
Q

largest number of species

A

deuteromycota

51
Q

diseases attributed to toxins from fungi

A

mycotoxicoses

52
Q

toxins from amanita mushroom

hepatotoxicity and psychoactive effects

A

ingestion of mycotoxins

53
Q

Ergot alkaloids cause?

A

St. Anthony’s fire (egotism)

54
Q

St. Anthony’s fire is from?

A

Claviceps purpura (grows in ryegrass)

55
Q

Give 2 alkaloids

A

Ergotamine (vascular effect)

LSD

56
Q

emits ultraviolet light (x > 365 nm);

useful in identifying infected hairs

A

Wood’s lamp

57
Q

frontline staining method in the lab

A

Hucker modification

58
Q

Binds to polysaccharide of the chitin

A

Calcofluor white

59
Q

Calcofluor white’s (+) for fungal elements

A

apple green & blue white

60
Q

fungal stain that stains pink

A

Periodic acid shiff

61
Q

used for blood examination & angioinvasion

A

Hematoxylin & eosin

62
Q

indicative for sporangium

A

Lactophenol cotton blue

63
Q

Lactophenol cotton blue’s
clearing agent:
fungicidal agent:

A

clearing agent: lactic acid

fungicidal agent: phenol

64
Q

Giemsa/Wright’s stains?

A

Histoplasma capsulatum

65
Q

Mucicarmine is for?

A

Cryptococcus neoformans

66
Q

for fungal stains

A

Toluidine Blue O

67
Q

fungal’s general medium

A

Sabouraud’s dextrose agar

68
Q

SDA’s pH to inhibit bacterial growth

A

pH 6.5

69
Q

General purpose isolation medium

A

Sabouraud’s dextrose agar

70
Q

SDA’s rgt for Malassezia furfur growth

A

olive oil

71
Q

Mycobiotic/mycosel’s components

A

SDA + antibiotics

72
Q

kills saprophytic fungi

A

Cycloheximide

73
Q

to remove bacteria

A

Chloramphenicol

74
Q

Selective media for dermatophytes

A

Mycobiotic/mycosel

75
Q

encourages growth for reproductive structures & stimulates conidia growth

A

Potato Dextrose Agar/Potato Flakes Agar

76
Q

ideal for microslide cultures

A

Potato Dextrose Agar/Potato Flakes Agar

77
Q

dilute hay infusion agar & soil extract agar

A

Nutritionally poor medium

78
Q

recovery of saprobic & pathogenic fungi

A

BHI agar

79
Q

fungi recovery from blood & gas indicates bacteria presence

A

BHI biphasic blood culture bottle

80
Q

isolation of fungal elements from contaminated specimens

A

Littman-Oxgall Agar

81
Q

Littman-Oxgall agar

inhibits bacterial contamination

A

Streptomycin

82
Q

prevents fungal spread

A

Oxgall reagent

83
Q

primary recovery of pathogenic fungi that is exclusive of dermatophytes

A

Yeast Extract Phosphate Agar

84
Q

YEPA with ammonia

A

Smith’s medium

85
Q

Niger seed agar is also known as?

A

Birdseed agar

Staib’s agar

86
Q

Niger seed agar uses what seed?

A

thistle (Guizotia seeds)

Mycology & Virology (4 decks)

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