Chapter 21 Flashcards
gram negative pathogens
vibrio def
curved rods
where are vibrio found
in water environments
cholera is a what
vibrio
where is cholera usually found
in areas with poor sewage and water treatment
what is the most important virulence factor in cholera
cholera toxin
helicobacter pylori is what
slightly helical motile bacterium
where is heliobacter pylori found
colonizes in the stomach of its hosts
helicobacter pylori virulence factors
proteins that inhibit production of stomach acid
enzymes that help neutralize stomach acid
flagella to burrow in stomach lining
adhesins to facilitate binding to gastric cells
spirochetes look like
thin, tighty coiled, helically shaped bacteria
how do spirochetes move
in a corkscrew fashion
3 types of spirochetes are what
treponema , borrelia, and leptospira
treponema example
treponema pallidum
info about treponema pallidum
causative agent of syphilis
is transmitted mostly via sexual contact
borrelia ex
borrelia burgdorferi
borrelia burgdorferi causes what
lyme disease, gets to humans via tick bites
how many blood meals does a deer tick have in a lifetime
3
do deer tick larve carry borrelia bacteria when they hatch
no, they get it through blood meals
lyme disease 3 phases
expanding red bulls eye rash
neurological symptoms and cardiac dysfunction
severe arthritis
example of leptospira
leptospira interrogans
what do leptospira interrogans look like
motile, obligately aerobic bacteria
where are leptospira interrogans found
in wild and domestic animals
how to leptospira interrogens infect
they enter through thte skin or mucous membrane and travels via the bloodstream
