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Myco Viro > 9 > Flashcards

9 Flashcards

1
Q

The basic structural unit of molds

A

Hypha

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2
Q

Colony Color: SURFACE

A

Cottony
Velvety
Powdery

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3
Q

Texture

A

Cottony/floccose
Velvety/Suede
Powdery/Granular

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4
Q

kills any live microorganisms

A

Phenol

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5
Q

preserves fungal structures

A

Lactic Acid

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6
Q

stains the chitin present in the fungal cell wall

A

Cotton Blue

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7
Q

Microscopic methods for examination of fungi

A
  1. Tease mount technique
  2. Scotch tape method/Cellophane tape method
  3. Riddell Culture Method / Microculture method
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8
Q

I. Tease Mount Technique Disadvantage

A

Morphology is not intact.

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9
Q

Tease Mount Technique Advantage

A

Widely used method for staining and observing fungi

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10
Q

Cellophane Tape Mount Disadvantage

A

• Only superficial structures of fungi tend to stick to the tape.
• Rarely used technique because of inconvenience

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11
Q

Cellophane Tape Mount Advantage

A

Compared to Tease mount technique, morphology appears intact.

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12
Q

acropetal

A

youngest at the tip

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13
Q

basipetal

A

youngest at the base

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14
Q

Synchronous Arrangement of conidia
Example

A

Aureobasidium pullulans

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15
Q

Sympodial Arrangement of conidia example

A

Beauveria spp

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16
Q

Types of conidiogenous cells

A

• Annelide
• Phialide
• Thallic conidiogenesis

17
Q

Swells at a tip

A

holothallic

18
Q

Hyphal elements are fragment

A

holoarthric

19
Q

The inner cells forms the conidia

A

enteroarthric

20
Q

Thallic Conidiogenesis

A

holothallic
holoarthric
Eneteroarthic

21
Q

Conidial head morphology of Aspergillus

A

biseriate
uniseriate

22
Q

biseriate

A

Aspergillus niger

23
Q

uniseriate

A

Aspergillus fumigatus

24
Q

Phialidic

A

It is a vase like e.g. Phialophora verrucosa

25
Q

Annelidic

A

There is a narrow septum to separate e.g. Scopulariopsis brevicaulis

26
Q

Septations example

A

Amerocinidia
Didymoconidia
Phragmoconidia
Dictyoconidia

27
Q

1- celled

A

ameroconidia

28
Q

2-celled

A

didymoconidia

29
Q

multi-celled (transverse only)

A

phragmoconidia

30
Q

multicelled (transverse and longitudinal)

A

dictyoconidia

Myco Viro (11 decks)

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