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Microbio Lecture 23

Protozoa

QuestionAnswer
protozoans found in moist habitats
pellicle girdle of protein
ectoplasm outer cytoplasmic zone
endoplasm inner cytoplasmic zone
contractile vacuole expel and uptake water
food vacuole ingesting food
trophozite feeding protozoan
cyst dormant protozoan
parabasalids and diplomonads flagella whip for mobility
parabasalids and diplomonads live on low oxygen
Trichonympha parabasalid, found in termites
Giardia type of diplomonad
diplomonad two nuclei
kinetoplastids have single flagella
mitochondrion kinetoplast
Trypanosoma and Leishmania kinetoplastids
amoebozoans movement and eating pseudopodia
Acanthomoeba castellani amoebozoan causes blindness
ciliates have cilia in longitudinal/spiral rows
primitive gullet and mouth ciliate
kappa factor ciliates' toxins
trichocysts ciliates
apicomplexans have no movement
apicaltip function organelle complex for penetrating host
apicomplexans are parasitic protozoa
amoebiasis causativeagent Entamoeba histolytica
transmittance of amoebiasis contaminated water or host (cyst form)
amoebiasis metabolism byproduct proteases
amoebiasis main symptom hemorrhaging, lesions, bloodystool
metronidazole treats trichomoniasis, amoebiasis, giardiasis
mechanism metronidazole DNA breakage
side effect metronidazole blackhairytongue
black tongue hemoglobin concentrated in papillae
giardia cyst survivesin coldwater, chlorine
giardia's structure 4 pairs of flagella, 2 nuclei
2 nuclei giardia, diplomonads
giardia transmittance water contaminated with feces
giardiasis mechanism suckers stick to intestinal walls
symptomsof giardiasis diarrhea, cramps, farts, nausea for 1 month
giardiasis' treatment metronizadole
giardiasis diagnosis test enterotest capsule
trypanosomiases diseases chagasdisease and africansleepingsickness
trypanosoma brucei africansleepingsickness agent
tsetsefly africansleepingsickness vector
chagasdisease agent trypanosoma cruzi
chagasdisease vector triatomidbug
chagasdisease endemic central/southamerica
symptom chagasdisease myocardia
diagnostic test chagasdisease xenodiagnosis
africansleepingsickness mechanism bite --> dead tissue --> coma
africansleepingsickness avoids immunesystem t.brucei changessurfaceproteins
triatomidbug mechanism nitricoxide keeps sore open --> poop --> scratch
Leishmaniasis agent Leishmania
Leishmaniasis vector phlebotomus
prevention of leishmaniasis insecticide, no garbage/rodents
treatment leishmaniasis sodium stibogluconate
antimony binds H bond and destroys enzyme 3* structure sodium stibogluconate
2 forms of leishmaniasis visceral, cutaneous
leishmaniasis' mechanism infects macrophages, organs swell
leishmaniasis fatality very
cutaneous is more common
cutaneous aka roseofjericho, oriental sore, baghdad boil
pathogencity for cutaneous 'mariner' transposin
malaria resistance sicklecelltrait, hemoglobin C, G6P dehydrogenase, lackofduffyantigens
mechanism of malaria reproduces in rbc, secretome injects toxin, adhesin lets rbc bind to tissues, change in body chemistry attracts mosquitos
duffy antigens attachment site for plasmodium
used by plasmodium to make DNA glucose 6 phosphate dehydrogenase
hemoglobin C two copies
agents for malaria plasmodium vivax, ovale, malariae, falciparum
malaria infection mosquito bite --> salivary glands in mosquito --> bite --> human liver --> rbc
cycles of malaria corresponds to every time a merozoite breaks a rbc; 48-72 hours between each attack
death caused by malaria loss of rbc and cell fragment clotting
malaria treatment method quinine, chloroquinine - but never get rids of it
Created by: syeonie
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