Protists Flashcards
whats a protist?
a eukaryote thats not a plant animal or fungi
4 eukaryotic supergroups?
- SAR
- unikota
- archaeplastida
- excavata
describe excavata
have excavation for feeding
no plastid and reduced mitochondria
what are the two subgroups of unikota?
opistokonta and amoebazoa
describe opistokonta
flagellum - animals and fungi
how were archaeplastida formed
formed from primary endosymbiosis (cyanobacteria)
2 types of archaeplastida
green -freshwater -uni or multicellular red -multicellular
What does SAR stand for
stramenophiles, alveolates, rhizarians
key feature of stramenophiles
sio2 cell wall
types of stramenophiles?
golden algae
brown algae
oomyceres (plant pathgeons)
diatoms
what are alveolates
have alveoli (sac)
what are rhizarians
flagellated and often amoeba
what supergroup does leishmaniasis come from
excava
vectors and hosts for leishmaniasis
vector: sandfly
host: rodents, humans
types of leishmaniasis?
cutaneous
mucocutaneous
visceral
symptom of leishmaniasis?
boils
what supergroup does giardiasiscome from?
excavata
shape of giardiasis cells
heart shaped
how does gardiasis infection occur
through consuming contaminated water
-stomach bug symptoms
what superfamily does malaria come from
-alveolates, apicomplexan
what are vectors for malaria
mosquitoes
what does malaria infect
red blood cells
how can malaria be eradicated
DDt
however resurgence - now need artemisinin combination therapy
what superfamily does entamoeba histolytica come from?
ameobazoan (unikota)
how does entamoeba histoloytica cause infection
ingestion (fecal oral route) - causes dystentry
what supergroup does acanthamoeba come from?
amoebazoan - unikota.
are acanthamoeba always parasites?
no
how does acanthamoeba infect humans
thorugh inhalation, wounds, contact lenses
