protists 3 Flashcards
alveolata taxonomy
kingdom- protistis
class- sar- eukaryotes
order- alveolata
sar taxonomy
kingdom- protistis
class- sar- eukaryotes
alveolata id
- trilaminar membrane (pellicle)
- ext surface covered with alveoli (flattened membranous bubbles)
ciliates taxonomy
kingdom- protistis
class- sar- eukaryotes
order- alveolata
family- ciliates
ciliates id
- macro and micro nucleus
balantidium coli taxonomy
kingdom- protistis
class- sar- eukaryotes
order- alveolata
family- ciliates
balantidium coli host
- pig and rat
- humans, dogs, horses, gorillas
balantidium coli id
very large
balantidium coli transmission
oral uptake of cysts
balantidium coli organ effected
cecum and colon
balantidium coli pathogenicity
usually harmless
apicomplexa taxonomy
kingdom- protistis
class- sar- eukaryotes
order- alveolata
family- apicomplexa
apicomplexa groups
- colpodellida
- conoidasida
- aconoidasida
conoidasida contains
- gregarinasina
- coccidiasina
aconoidasida contains
- haemospororida
- piroplasmorida
apicompexa- conoidasid taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- conoidasida
apicompexa- conoidasid movement
- movement of alveoli provide gliding motility (outer layers of men roll from front to back like thread on a tank)
- all have apical complex
apicompexa forms
- zoite
- sporozoites
- meroziotes
- schizozoites
- tachyzoites
- bradyzoites
zoite
fx unit (cigar shaped cell, migrates in host and invades cells, beginning and end of cycle)
sporozoites
- infective forms found in sporulated oocysts
- result of reduction division bc of fusion of gamates
merozoites or schizozoites
sporozoites invade host cells and form merozoites or schiozozoites through multiple internal fission called schizogony
tachyzoites
divide rapidly
bradyzoites
divide slowly
apicomplexa- conoidasida dx
- dx is present where schizonts multiply
apicomplexa conoidasida what type of parasites
parasites of cells (usually intracellular) -> obligate parasites
gregarinasina taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- conoidasida
gregarinasina host
invertebrates
gregarinasina relationship to host cell
primitive so large they don’t enter cell -> inside cell membrane but not in cytoplasm so cell doesn’t know they’re there when they die
- myzocytosis
- attach to cells via feeding organelle
gregarinasina life cycle
- have sex (haploid until they fuse, sex in host, cyst in environment)
gregarinasina organ effected
intestinal tract
cryptosporidium homminis taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- conoidasida
cryptosporidium homminis host
humans
cryptosporidium homminis life cycle
Oocyst ingested -> Sporozoite in body -> Trophozoite when penetrate cell -> Asexual repro to make merozoite -> Sex to form type II meront -> Undiff gamont becomes macro & micro -> Zygote
cryptosporidium homminis transmission
cysts from water in environment and food
cryptosporidium homminis organ effected
intestines
cryptosporidium homminis grows where
only in animals
cryptosporidium homminis see infections when
most infections in summer b/c thats when everyone is swimming
cryptosporidium parvum taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- conoidasida
cryptosporidium parvum host
- humans
- calves
- lambs
cryptosporidium parvum lifecycle
Thin wall oocyst stays in host causing auto-infection & thick wall oocyst exits (pop out of cyst & penetrate intestinal mucosa)
- Oocyst -> Sporocyst -> Sporozoite ->Merozoite (trophozoite) -> Schizont (meront) -> Schizozoite (go b/w last 2, 3 times over and over) ->Gamonts (macro & micro) -> Fert of macro by micro -> Zygote
cryptosporidium parvum transmission
cysts from environment
cryptosporidium parvum organ infected
intestines
cryptosporidium parvum grows where
only grows in animals
cryptosporidium parvum infections occur when
summer bc thats when everyone goes swimming
cryptosporidium closely related to who
- gregarines
- this = why almost all anticoccidials and antimalarials = inadequate in controlling this parasite
cryptosporidium is what kind of dx
REPORTABLE
apicomplexan life stages
oocyte -> sporocyst (if present) -> sporozoites -> may more may not become a cystozoite -> merozoite (toxoplasma tachyzoites and bradyzoites) -> schizont -> schizozoites -> macrogamont and microgamont -> fertalization of macrogamete by microgamete -> zygote
coccidiasina taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
coccidiasina host
sometimes use blood feeding arthropods as host
coccidiasina lifecycle
rigid sequence of asesual and sexual phases of multiplication and development
coccidiasina transmission
fecal contamination
coccidiasina what kind of parasite
obligate intracell parasites that destroy host cells
eimeria taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria hosts
- food animals
- mainly naive ones
- host specific
eimeria id
4 sporocysts w/ 2 sporozoites each
eimeria transmission
oocytes can build up in coil
eimeria organ effeted
intestines, site specific, only certain portions
eimeria dx
-dx of crowding the more you ingest the worse it is
eimeria bovis taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria bovis host
cattle
eimeria bovis transmission
cysts ingested
eimeria bovis organ effected
large intestine w/ 1st generation schizont in small intestine
eimeria zuernii taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria zuernii host
cattle
eimeria zuernii transmssion
cysts ingested
eimeria zuernii dx
- bloody d+
- severe damage to mucosal surface can -> chronic dx
eimeria most pathogenic form (nastiest)
eimeria zuernii
eimeria tenella taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria tenella host
chickens
eimeria tenella lifecycle
Oocyst wall crushed in gizzard & sporozoites released -> Enter intestinal mucosa -> Repro -> Zygote matures into oocyst -> Shed in feces
eimeria tenella organ effected
cecum
eimeria tenella dx
- bloody d+
- death
eimeria tenella immunity
if survive immune forever
eimeria necatrix taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria necatrix host
chickens
eimeria necatrix life cycle
Oocyst wall crushed in gizzard & sporozoites released -> Enter intestinal mucosa -> Repro -> Zygote matures into oocyst -> Shed in feces
eimeria necatrix organ effected
small intestine
eimeria necatrix dx
- bloody d+
- death
eimeria necatrix immunity
if survive immune forever
eimeria gilruthi taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria gilruthi host
sheep and goats
eimeria gilruthi organ effected
ct and mm of abomasa wall
eimeria gilruthi id
visible to naked eye
eimeria macusaniensis taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria macusaniensis host
- llamas especially crias
eimeria leuckarti taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria leuckarti host
horses
eimeria leuckarti organ effected
only enteric coccidian in horses
eimeria leuckarti dx
not as severe as other species
eimeria leuckarti pathogenicity
non pathogenic
eimeric debliecki taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeric debliecki host
pigs
eimeria stiedae taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria stiedae host
rabbits
eimeria macusaniensis (camelids) id vs eimeria species from cammels
camel is rounder than camelid ones
eimeria macusaniensis (camelids) id vs eimeria species from cammels
camel is rounder than camelid ones
eimeria stiedae taxonomy
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
eimeria stiedae host
rabbits
eimeria stiedae organ effected
mucosa of bile duct
eimeria stiedae dx
- fatal in young rabbits
- bile duct hyperplasia
- liver lesions
klosiella equi
kingdom- protistis class- sar- eukaryotes order- alveolata family- apicomplexa group- coccidiasina
klosiella equi host
horses
klosiella equi transmission
shed in urine
klosiella equi organ effected
- bowman’s capsule endothelium
- loop of henle epithelium
klosiella equi pathogenicity
non pathogenic
klosiella equi histology
characteristic rosettes on histo