Principles of Micro 6

Question 1

what are the 4 fungal divisions we need to worry about

Answer 1

chytridiomycota, zygomycota 1 and 2, ascomycota, basidiomycota

Question 2

how does zygomycota pathogenic to humans - where is it found?

Answer 2

seen on food spoilage

Question 3

two types of zygomycota

Answer 3

zygospore (sexual)

sporangiospore (asexual)

Question 4

zygomycota are parasites of what? and about how many species are there?

Answer 4

parasites of arthropods and mammals

1000 known species of moulds

Question 5

how many species of ascomycota

Answer 5

over 31,000 known species with 44 families

Question 6

what percentage of pathogenic fungi are ascomycota

Answer 6

> 90%

Question 7

what are examples of ascomycota

Answer 7

penicillium (produces the antibiotic penicillin)
candida albicans (saccharomycetaceae family)

Question 8

how may known species of basidiomycota

Answer 8

over 64,000

Question 9

what do basidiomycota produce

Answer 9

some produce toxins or hallucinogenic compounds

Question 10

type of fungi and class basidiomycota belong to

Answer 10

macrofungi (mushroom + puffballs)

class: homobasidiomycetes

Question 11

example of basidiomycota

Answer 11

agaricus

Question 12

how many species of chytriomycota and how many are pathogenic

Answer 12

more than 900 species with only one being pathogenic

chytridion means little pot in greek: fun fact

Question 13

unique features of chytriomycota

Answer 13

motile asexual zoospores (via flagella): reflection of their aquatic habitat

Question 14

negative aspects of fungi

Answer 14

• food spoilage
• pathogenic to humans and animals (mycose) –> true and opportunistic pathogens
• infection of plants and crops

Question 15

human mycoses is a fungal infection and is classified by site or type of infection. what are some examples of these classifications?

Answer 15

systemic
subcutaneous
cutaneous
superficial
opportunistic
mycotoxins

Question 16

biofilms are used for what microorganisms

Answer 16

bacteria and fungi (candida sp)

Question 17

third leading cause of intravascular catheter related infections

Answer 17

yeast

Question 18

advantages of biofilm

Answer 18

increases resistance
resist host immune response
act as reservoir

Question 19

where can algae be found

Answer 19

freshwater, marine, sometimes terrestrial

Question 20

medical significance of algae

Answer 20

associated with intoxication/food poisoning

Question 21

how does one get food poisoning from algae

Answer 21

toxic algae ingested by fish which is then ingested by humans

Question 22

examples of fish we eat that can lead to algae poisoning

Answer 22

barricades, snappers, ciguatera, paralytic shellfish poisoning

Question 23

respiratory symptoms in algae poisoning is linked to

Answer 23

red tides

Question 24

zoonotic protozoal diseases of companion animals

Answer 24

• Toxoplasmosis (T. gondii)
• Giardiasis (Giardia sp.)
• Babesiosis (Babesia sp.)
• Trypanosomiasis (T. cruzi)
• Leishmaniasis (Leishmania sp. )

Question 25

what is cell wall of algae made of

Answer 25

cellulose

Question 26

what microorganisms sometimes has more than one nucleus

Answer 26

protozoa

Question 27

what microorganism does not have a cell wall and is motile (cilia, flagella, endoflagella)

Answer 27

protozoa