infection may play a role in Guillain-Barré
syndrome (GBS)
CAMPYLOBACTER
can cause ulcers and has been linked to gastric
carcinoma.
HELICOBACTER PYLORI
Commonly found in a wide variety of aquatic
environments, including fresh water, brackish or
estuarine water, and marine or saltwater
VIBRIO
cause a devastating diarrheal
disease: Cholera
v. CHOLERA
4 v
● V. cholerae
● V. parahaemolyticus
● V. vulnificus
● V. alginolyticus
the risk of infection from all Vibrio
spp. can be reduced by the avoidance of
eating _______,
particularly in warmer summer months
raw or undercooked shellfish
Pandemics (worldwide epidemics) of cholera,
a devastating diarrheal disease caused by V.
cholerae, have been documented since __
1817
● Factors to consider when identifying Vibrio infection:
Curved (comma) or pleomorphic gram-negative rods
vibrio
Asporogenous
vibrio
vibrio in broth -
In broth – possess polar, sheathed flagella
vibrio in solid media
In solid media – peritrichous, unsheathed flagella
is vibrio facultative anaerobe?
yes
vibrio catalase negative except for
V. metschnikovii
oxidase positive except for
V. metschnikovii)
Reduce nitrate to nitrite
V. metschnikovii
___Fermenter
Glucose
Do not grow on what agar
Do not grow on MAC
routine media used
tcbs
Most species exhibit a positive string test including V.
cholerae
vibrio
0.5% sodium
desoxycholate
All species are halophilic or “salt-loving” (except for
V.
cholerae and V. mimicus
Three major subgroups of V. cholerae
V. cholerae O1,
V. cholerae O139,
V. cholerae non-O1
All of which share a common flagellar (H) antigen and
somatic (O) antigen
luh