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Mycology And Virology > Mycology > Flashcards

Mycology Flashcards

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1
Q

Baker’s yeast

A

Sacchromyces cerevisiae

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2
Q

Antler hyphae

A

Trichophyton schoenleinii

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3
Q

Ability to exist in two forms

A

Dimorphic

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4
Q

Sexual spore formed within an ascus following meiosis

A

Ascospore

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5
Q

Fruiting structure that contains asci

A

Ascocarp

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6
Q

Single-cel fungus that reproduces by budding or by fission

A

Yeast

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7
Q

Sac-like structure that contain ascospores, characteristic of Ascomycetes

A

Ascus

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8
Q

Sexual spore formed produced as an outgrowth of basidium

A

Basidiospore

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9
Q

Sexual reproduction requiring the interaction of two different thalli

A

Heterothallic

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10
Q

Structure that contains basidiospores

A

Basidium

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11
Q

Hyphae produced above the surface of the agar media

A

Aerial mycelium

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13
Q

Thick-walled resting or survival structure (aka Chlamydoconidia)

A

Chlamydospore

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14
Q

Specialized Hyphal structure that carries the conidia

A

Conidiophores

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15
Q

Enclosed ascocarp, composed of layers of hyphae that contain randomly dispersed asci

A

Cleistothecium

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16
Q

Conidium derived from the fragmentation of specialized Hyphae

A

Arthroconidium

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17
Q

displaying two morphologic types, one environmental (mould) and one in vivo (yeast)

A

Dimorphic

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18
Q

Smooth, referring to colonial morphology

A

Glabrous

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19
Q

Asexual reproductive structure formed in any manner that does not involve cleavage

A

Conidium

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20
Q

Blastomyces, Coccidiodes, Histoplasma, Paracoccidiodes, Sporothrix, and Penicilliumare example of what type of fungi?

A

Dimorphic

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21
Q

Exophiala spp, is example of?

A

Polymorphic fungi

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22
Q

Rapidly growing organisms found in soil

A

Zygomycota e.g Mucor, Rhizopus, Absidia

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23
Q

Causative agent of Tinea versicolor, characterized by discoloration or depigmentation and scaling of the skin

A

Malasseza furfur

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24
Q

Hair fragments are floated on a sterile water supplemented with a few drops of 10% yeast extract

A

Hair perforation test

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25
Q

Media for yeast ID

A

Cornmeal agar

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26
A term used for the absence of reproductive structure
Mycelia sterilia
27
Most common primary culture media
Sabouraud Dextrose agar
28
Positive result for germ tube test
Germ tube formation
29
Two organisms positive in germ tube test
Candida albicans. Candida dubliniensis
30
Secondary branches that support the phialides
Metulae
31
Horizontal hypha that connects one mycelium to another
Stolon
32
Positive result of woods lamp
Fluorescent
33
Specimen used to diagnose fungal meningitis
CSF
34
Causative agent of fungal meningitis
Cryptococcus neoformans
35
Used to demonstrate the capsule
India ink
36
Penetrating agent
Dimethyl sulfoxide
37
Most common mounting medium
Lactophenol cotton blue
38
Color of C. albicans, C. tropicallis, C. parapsilosis, C. glabrata/krusei in CHROMagar
Green, metallic blue, white, pink
39
Binds to the polysaccharide present in chitin
Calcofluor white
40
asexual spore produced within a sporangium
Sporangiospores
41
Funnel-shaped structure that carries the conidia
Collarette
42
Substance detected in birdseed agar
Melanin
43
Enzyme present in niger seed agar
Phenol oxidase
44
Organism who has the ability to reduce nitrate
Cryptococcus neoformans
45
Positive result of Rice media
Microsporum auduinii - discoloration of rice | Microsporum canis - woolly appearance or production in the rice
46
Positive result in Christensen Urea agar
Trichophyton mentagrophytes - [+] pink | Trichophyton rubrum - [-] yellow
47
Whole fungus; the anamorphic plus the teleomorphic state of the fungus
Holomorph
48
Asexual spore formed by budding of the yeast cell
Blastoconidia
49
Sexual reproduction can take place within one thallus
Homothallic
50
Colorless or transparent
Hyaline
51
vegetative unit of a mould
Hypha
52
Slender outgrowth of a cell bearing conidia
Sterigmata
53
Enclosed ascocarp with a pore at the top through which the ascospores are discharged
Perithecium
54
Cell wall content of fungi
Chitin
55
Asexual form of fungal sporulation (imperfect state)
Anamorph
56
Borne within a Hypha
Intercalary
57
Vegetative growth of a fungus; includes an interwoven mass of Hyphae
Thallus
58
Larger of two types of conidia produced by a mould
Macroconidium
59
Smaller of two types of conidia produced by a mould
Microconidium
60
Mass of Hyphae that make up the thallus of a mould
Mycelium
61
Cell with opening trough which conidia are produced
Phialides
62
Hyphae produced on the surface or extending into the agar media
Vegetative mycelium
63
Connected yeast cells (Blastoconidia) that resemble a Hypha but contain areas of constriction between adjacentcells
Pseudohyphae
64
Multi-cellular clump of cells that does not produce any spores or conidia
Scleotium
65
Cross-wall in a Hypha
Septum
66
Sexual form of Fungal sporulation (perfect state)
Teleomorph
67
Borne at the end of a Hypha
Terminal
68
Source of the first antifungal drugs
Streptomyces noursei
69
First anti fungal drugs
Nystatin
70
Reverse dimorphism
Malassazia furfur
71
Colors of aspergillus colonies is best studied in what agar
Czapek dox agar
72
fungi that grow at a high temperature
Thermophilic
73
An extension of the sporangiophore into the base of the sporangium
Columella
74
Stalk bearing the sporangium
Sporangiophores
75
Clearing agents
KOH
76
Sac-like structure in which the asexual sporangiospores develop
Sporangium
77
cell that produce conidia
Conidiogenous cell
78
Primary anti fungal drugs that targets almost all fungi
Amphotericin B
79
Source of amphotericin B
Streptomyces nodosus
80
First antibiotic against fungi
Nystatin
81
Source of nystatin
Streptomyces noursei
82
Converts largosterol to ergosterol
Azzoles
83
Prevents oxidation of squalene epoxidase
Allylamines
84
Administer together with amphotericin B
Flucytosine
85
Inhibit glycan synthesis
Caspofungin
86
Inhibit chitin synthesis
Nikkomycin
87
pigmented in dark color
Demetiaceous

Mycology And Virology (5 decks)

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