Vibrio Flashcards
gram
respiration
shape
motility
like salt?
opportunistic?
zoonotic?
habitat
gram negative
facultative anaerobe
curved rod
motile – polar flagella
halophilic – likes salt
opportunistic pathogen of fish and reptiles
zoonotic potential
habitat – seawater
vibrio cholera
hosts
causes what
humans
causative agent of cholera
vibrio cholera – toxin
cholera toxin (ctx) – watery diarrhea, dehydration, death
vibrio cholera – agar
TCBS agar – selective for vibrio – yellow colonies
vibrio cholera – treatment
rehydration – mixture of salt and sugar
vibrio parahaemolyticus
host
causes what
humans
causes food poisoning in humans from seafood
vibrio parahaemolyticus – virulence
TDH
T3SS
T6SS
flagella
adhesin (MAM7)
LPS
vibrio parahaemolyticus – diagnosis
oxidase
catalase
wagatsuma agar
mannitol salt agar
TCBS agar
oxidase positive
catalase negative
wagatsuma agar (human or rabbit blood) – hemolytic
mannitol salt agar – yellow colonies
TCBS agar (selective for vibrio) – greenish colonies
which growth media is selective for vibrio
TCBS agar
vibrio metschnikovi
hosts
causes what
chickens, animal pathogen
cholera like disease in chickens
vibrio metschnikovi – virulence
hemolysin
verotoxin
vibrio metschnikovi – diagnosis
blood agar
macconkey
oxidase
catalase
blood agar – smooth transparent colonies, hemolytic
macconkey – poor growth
oxidase negative
catalase positive
vibrio anguillarum
host
causes what
eels, saltwater eels and other fish
skin necrosis, hemorrhagic septicemia, high mortality
vibrio anguillarum – virulence
iron uptake system, hemolysins, metalloproteases, flagella, pili, LPS
vibrio anguillarum – diagnosis
blood agar
TCBS agar
oxidase
catalase
blood agar with 1% NaCl
TCBS agar – yellow colonies
oxidase positive
catalase positive
