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MYCV > LEC1 - intro to mycology > Flashcards

LEC1 - intro to mycology Flashcards

1
Q

are fungi eukaryotic?

A

yes

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2
Q

cell structure of Bacteria

A

prokaryotic

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3
Q

diameter size of Fungi

A

> 5 um

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4
Q

Diameter size of bacteria

A

<2 um

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5
Q

Cell Wall Composition of fungi

A

Chitins,
Glucans,
Mannans and
other polysaccharides

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6
Q

cell wall composition of bacteria

A

Teichoic Acid,
Peptidoglycan Layer,
Muramic Acid

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7
Q

do fungi has sterols on its cytoplasmic membrane

A

yes, they have

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8
Q

a fungi-like bacteria that has sterol on its cytoplasmic membrane

A

mycoplasma

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9
Q

anti-fungal medicines are acting on ____’s fungi to disrupt cellular components of fungi

A

sterol

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10
Q

purpose of spores on fungi

A

for reproduction

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11
Q

purpose of spores on bacteria

A

survival

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12
Q

the metabolism of fungi requires what element

A

carbon

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13
Q

way of reproduction of fungi

A

Sexual/Asexual

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14
Q

way of reproduction of bacteria

A

Binary Fission

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15
Q

Gas Growth Requirement of fungi

A

Obligate/Facultative Aerobe

needed oxygen for growth

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16
Q

Groups of Fung

A

yeast, molds, dimorphic fungi

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17
Q

size of fungi

A
  • 2-6 um
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18
Q

appearance of yeast’s colonies on media

A

Moist creamy opaque/pasty
smooth with regular edge
colonies on media

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19
Q

culture media of yeast

A

Sabouraud Dextrose Agar
and Blood agar plates

SDA/BAP media

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20
Q

yeast may look like which bacteria

A

Staphylococci

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21
Q

yeasts examples

A

Candida albicans,
Cryptococcus neoformans

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22
Q

to confirm if the organism is a bacteria or a yeast, we must perform ___

A

microscopic examination

– look for tapered edge and much bigger

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23
Q

are Candida albicans and Cryptococcus neoformans opportunistic fungi and can cause infection?

A

yes

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24
Q

are Filamentous fungi

A

Molds

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25
Q

a group of hyphae is called as _____

A

mycelium

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26
Q

a branching structure of molds that is for absorbing nutrients from media

A

hyphae

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27
Q

appearance of colonies of molds in media

A

Fluffy/cottony/wooly/velvety or
sometimes powdery colonies

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28
Q

molds, Microscopically contains

A

hypha/hyphae (mukhang buntot yan sila )

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29
Q

a type of fungi wherein it Exhibits both yeast and mold form

A

Dimorphic Fungi

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30
Q

a type of fungi that is pathogenic

A

dimorphic fungi

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31
Q

dimorphic fungi’s form, whether in filamentous or yeast form, is based on temperature.

what is the required temperature for the filamentous/mold form of dimorphic fungi to form

A

25-30 * C

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32
Q

dimorphic fungi’s form whether it will be in filamentous or yeast form is based on temperature.

what is the required temperature for the yeast form of dimorphic fungi to form

A

35 - 37 * C

remember na yeast ang gamit sa pagbe-bake, diba mainit un? so ung mas malaking temperature ang YEAST form

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33
Q

example of dimorphic fungi

A

Blastomyces dermatitidis
Coccidioides immitis
histoplasma capsulatum

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34
Q

Types of Hyphae

A
  1. Based on Location in Culture Media
  2. Based on pigmentation
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35
Q

hyphae Based on Location in Culture Media

A

aerial hyphae
vegetative hyphae

36
Q

hyphae Based on Pigmentation

A
  • Hyaline Hyphae/Moniliaceous
  • Dematiaceous Hyphae
37
Q

Forms of Hyphae

A
  1. Septate Hyphae (molds)
  2. Aseptate Hyphae (molds)
  3. Pseudohyphae (yeast cells)
38
Q

Aseptate Hyphae is also called as

A

coenocytic hyphae

39
Q

the fuzzy appearance of colonies with hyphae is because of

A

aerial mycelia/hyphae that has spores

40
Q

a hyphae that anchors the colonies in the media as well as to absorb the nutrients

A

vegetative hyphae

41
Q

this kind of hyphae according to pigmentation is clear unless stained

A

Hyaline Hyphae/Moniliaceous

42
Q

this kind of hyphae according to pigmentation has melanin content making the hyphae or fungi appears darker

A

Dematiaceous Hyphae (brown or black)

43
Q

can we stain our Dematiaceous Hyphae be stained using Lacto-phenol cotton blue (LPCB)

A

nope, it will not penetrate the hyphae to stain.

44
Q

Forms of Hyphae

A
  1. Septate Hyphae
  2. Aseptate Hyphae
  3. Pseudohyphae
45
Q

this form of hyphae has cross walls

A

septate hyphae

46
Q

this form of hyphae has no cross walls

A

Aseptate Hyphae

47
Q

this form of hyphae are yeast cells that elongates due to prolong incubation

A

pseudohyphae

48
Q

Reproduction of Fungi; what are the asexual reproduction

A
  • Arthrospores
  • Chlamydospores
  • Sporangiospores
  • Conidiospores
  • Blastospores
49
Q

Reproduction of Fungi; what are the sexual reproduction

A
  • Zygospores
  • Ascospores
  • Basidiospores
50
Q

2 stages of sexual reprodiuction

A

plasmogamy
karyogamy

51
Q

plasmogamy is a fusion of

A

cells

52
Q

karyogamy is a fusion of

A

nucleus

53
Q

a type of asexual reproduction wherein the hyphae are fragmented forming arthroconidia

A

arthrospores

54
Q

arthrospores

fungi examples

A

Trichosporon
Geotrichum
coccidiosis spp

55
Q

a type of asexual reproduction wherein a rounding of hyphae occurs

A

Chlamydospores

56
Q

a rounding of hyphae at the top or end is called as

A

terminal chlamydospores

57
Q

a rounding of hyphae at the middle is called as

A

intercalary Chlamydospores

58
Q
A
59
Q

a rounding of hyphae at the peripheral is called as

A

sessile Chlamydospores

60
Q

example of fungi that has Chlamydospores

A

candida albicans

61
Q

a type of asexual reproduction wherein the spores are enclosed inside a sac

A

Sporangiospores

62
Q

Sporangiospores

the spores are enclosed inside the sac called as

A

sporangium

63
Q

example of fungi that has Sporangiospores

A

mucorales
Rhizopus

64
Q

a type of asexual reproduction of fungi wherein the spores are freely open in the environment and looking like a pamaypay

A

Conidiospores

65
Q

a structure of fungi that supports the Conidiophore

A

phialides

66
Q

fungi that uses Conidiospores as reproduction

A

Conidiospores
aspergillus

67
Q

a type of asexual reproduction wherein a budding from the mother cells occur

A

Blastospores

68
Q

a sexual reproduction of fungi wherein there’s a fusion of similar morphological fungi

A

Zygospores

69
Q

a sexual reproduction of fungi wherein there’s a fusion of similar or dissimilar cells and the spores are enclosed in a sac called ASCUS

A

Ascospores

70
Q

a sexual reproduction of fungi wherein it usually occurs in mushroom consist of basidium and sterigmata

A

Basidiospores

71
Q

it supports the reproduction of Basidiospores

A

sterigmata

72
Q

Other Types of Hyphal Structures

A
  1. Favic/Anthler
  2. Nodular Organs
  3. Racquet
  4. Spiral
  5. Rhizoid
73
Q

Other Types of Hyphal Structure that looks like an antler or sungay

A

favic/antler

74
Q

favic/antler hyphae are seen in what fungi

A

trichophyton schoenleinii

75
Q

Other Types of Hyphal Structure wherein in the middle of the hyphae has a formation of nodular organs

A

Nodular Organs

76
Q

Nodular Organs are seen in what fungi

A

microsporum canis

77
Q

Other Types of Hyphal Structure wherein it looks like a raketa

A

Racquet

78
Q

racquet hyphal structure are seen in what fungi

A

epidermophyton flocossum

79
Q

spiral hyphal structure are seen in what fungi

A

trichophyton mentagrophytes

80
Q

rhizoids hyphal structure are seen in what fungi

A

rhizopus

81
Q

Forms of Conidia

A
  • Macroconidia
  • Microconidia
82
Q

2 classification of thallophyta

A

algae (chlorophyll)
fungi (no chlorophyll)

83
Q

algae (chlorophyll) 2 classes

A

zygomycetes
ascomycetes

84
Q

fungi (no chlorophyll)

classes

A

basidiomycetes
deuteromycetes

85
Q
A

MYCV (10 decks)

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