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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
Give 4 spores involved in sexual reproduction
1. Ascospores 2. Basidiospore 3. Zygospore 4. Oospore
26
sac fungi | molds with septate hyphae
ascospores
27
fruiting body: hyphal elements in between asci: exit point of ascopores:
fruiting body: ascocarp hyphal elements in between asci: paraphyses exit point of ascopores: apical pore
28
cup-shaped | ascu are produced inside a cup
apothecium
29
ascocarp is enclosed | no opening
cleistothecium
30
similar to cleistothecium | ascu are released through the wall openings
gymnothecium
31
asci are produced in locules (cavities) in hard masses of supporting hypha (stroma)
ascostroma
32
flask-shaped | has an opening where ascospores are released
perithecium
33
club fungi | “bas” = club-shaped
Basidiospores
34
spores produced on a basidium
basidiospores
35
conjugation fungi and has a large spore in a thick wall
zygospores
36
fusion of cells from 2 separate non-identical cells
oospore
37
Give 3 sexual reproduction phases
1. Teleomorph 2. Anamorph 3. Synanamorph
38
Sexual Reproduction Phase in a perfect state and reproduce sexually
Teleomorph
39
Sexual Reproduction Phase in an imperfect state that can reproduce asexually
Anamorph
40
Sexual Reproduction Phase where there is more than 1 anamorph present for the same teleomorph
Synanamorph
41
Zygomycota is also known as?
glomeromycota
42
“lid lifters”
zygomycota
43
can be septate or sparsely septate/coenocytic
Zygomycota
44
zygomycota’s asexual reproduction: sexual reproduction:
asexual reproduction: sporangium | sexual reproduction: zygospores
45
septate presence of ascospores arthroconidia
ascomycota
46
septate with clamp connections; | basidiospores presence
Basidiomycota
47
fungi imperfecti (no mode of sexual reproduction)
deuteromycota
48
most causes of plant disease, mycoses, and allergies | most nonpathigenic
deuteromycota
49
Deuteromycota’s pathogenic fungi are dimorphic because they can turn into yeast form at what temperature?
37C
50
largest number of species
deuteromycota
51
diseases attributed to toxins from fungi
mycotoxicoses
52
toxins from amanita mushroom | hepatotoxicity and psychoactive effects
ingestion of mycotoxins
53
Ergot alkaloids cause?
St. Anthony’s fire (egotism)
54
St. Anthony’s fire is from?
Claviceps purpura (grows in ryegrass)
55
Give 2 alkaloids
Ergotamine (vascular effect) | LSD
56
emits ultraviolet light (x > 365 nm); | useful in identifying infected hairs
Wood’s lamp
57
frontline staining method in the lab
Hucker modification
58
Binds to polysaccharide of the chitin
Calcofluor white
59
Calcofluor white’s (+) for fungal elements
apple green & blue white
60
fungal stain that stains pink
Periodic acid shiff
61
used for blood examination & angioinvasion
Hematoxylin & eosin
62
indicative for sporangium
Lactophenol cotton blue
63
Lactophenol cotton blue’s clearing agent: fungicidal agent:
clearing agent: lactic acid | fungicidal agent: phenol
64
Giemsa/Wright’s stains?
Histoplasma capsulatum
65
Mucicarmine is for?
Cryptococcus neoformans
66
for fungal stains
Toluidine Blue O
67
fungal’s general medium
Sabouraud’s dextrose agar
68
SDA’s pH to inhibit bacterial growth
pH 6.5
69
General purpose isolation medium
Sabouraud’s dextrose agar
70
SDA’s rgt for Malassezia furfur growth
olive oil
71
Mycobiotic/mycosel’s components
SDA + antibiotics
72
kills saprophytic fungi
Cycloheximide
73
to remove bacteria
Chloramphenicol
74
Selective media for dermatophytes
Mycobiotic/mycosel
75
encourages growth for reproductive structures & stimulates conidia growth
Potato Dextrose Agar/Potato Flakes Agar
76
ideal for microslide cultures
Potato Dextrose Agar/Potato Flakes Agar
77
dilute hay infusion agar & soil extract agar
Nutritionally poor medium
78
recovery of saprobic & pathogenic fungi
BHI agar
79
fungi recovery from blood & gas indicates bacteria presence
BHI biphasic blood culture bottle
80
isolation of fungal elements from contaminated specimens
Littman-Oxgall Agar
81
Littman-Oxgall agar inhibits bacterial contamination
Streptomycin
82
prevents fungal spread
Oxgall reagent
83
primary recovery of pathogenic fungi that is exclusive of dermatophytes
Yeast Extract Phosphate Agar
84
YEPA with ammonia
Smith’s medium
85
Niger seed agar is also known as?
Birdseed agar | Staib’s agar
86
Niger seed agar uses what seed?
thistle (Guizotia seeds)

Mycology & Virology (4 decks)

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