9. Misc Organisms Flashcards
Aeromonas hydrophila
GS
GNR
Aeromonas hydrophila
SBA
“B
med; smooth; gray”
Aeromonas hydrophila
reservoir
“water
marine animals
leeches”
Aeromonas hydrophila
transmission
“seafood
water”
Aeromonas hydrophila
disease
“wound infection
septicemia
acute diarrheal disease”
oxidase =
Francisella tularensis
Aeromonas hydrophila
MAC
V
Aeromonas hydrophila
TSI/KIA
A/A G
V
indole =
Brucella
Eikenella
Aeromonas hydrophila
arginine
+
Aeromonas hydrophila
DNase/gelatinase
+
Aeromonas hydrophila mimics…
E. coli
Aggregatibacter actinomycetemcomitans
GS
“GNCB
pale”
Aggregatibacter actinomycetemcomitans
SBA
“adherent
stars after 5-6 days”
Aggregatibacter actinomycetemcomitans
reservoir
“oral flora
gingival crevices”
Aggregatibacter actinomycetemcomitans
disease
“endocarditis
juvenile destructive periodontitis”
Associated with A. israelii
Aggregatibacter actinomycetemcomitans
Aggregatibacter aphrophilus
GS
“GNCB
filamentous”
Aggregatibacter aphrophilus
requirements
“5-10% CO2
factor X on initial isolation”
Aggregatibacter aphrophilus
reservoir
oral flora
Aggregatibacter aphrophilus
disease
endocarditis
Bartonella henselae
GS
GNR
Bartonella henselae
reservoir
“cat flea
cats & kittens”
Bartonella henselae
transmission
insect bite
Bartonella henselae
disease
cat scratch fever
Bartonella henselae
specific tests/agars
serological tests
motility =
Pasteurella multocida
Bordatella bronchiseptica
GS
“GNCB/R
small; pale”
Bordatella bronchiseptica
disease
kennel cough (dogs)
Bordatella pertussis
GS
“GNCB
small; pale”
Bordatella pertussis
requirements
“charcoal
15-25% blood”
Bordatella pertussis
virulence factors
toxin
Bordatella pertussis
reservoir
unvaccinated humans
Bordatella pertussis
transmission
aerosol
Bordatella pertussis
specific tests/agars
“Bordet-Gengou agar
Reagan-Lowe agar”
biochemically inert
Bordatella pertussis
Borrelia burgdorferi
GS
“narrow spirochete
very long”
Borrelia burgdorferi
SBA
culture takes weeks
Borrelia burgdorferi
reservoir
deer tick (nymph)
Borrelia burgdorferi
transmission
insect bite
Borrelia burgdorferi
disease
Lyme
Borrelia burgdorferi
treatment
doxycycline (w/i 72 hr)
Borrelia burgdorferi
specific tests/agars
serological tests
Borrelia stain
Giemsa stain
Borrelia recurrentis
GS
thick spirochete
Borrelia recurrentis
virulence factors
“extremely fast surface antigen variation (q 7 days)”
Borrelia recurrentis
reservoir
body louse (humans)
Borrelia recurrentis
transmission
insect bite
Borrelia recurrentis
disease
relapsing fever
Borrelia recurrentis
treatment
“penicillin; tetracycline;
erythromycin”
Brucella
GS
“GNCB
tiny, faint”
Brucella
SBA
“small; gray; smooth;
wet”
Brucella abortus
reservoir
cattle; bison; camels
Brucella
transmission
“travel to endemic area
animal contact
animal food products
aerosol (lab acquired)”
Brucella
disease
“systemic disease
undulant fever”
Brucella
specific tests/agars
Cateñeda bottle
catalase =
Eikenella
Francisella
Urease +
Brucella
H. pylori
Bioterror agents
Brucella
Francisella
Least virulent Brucella
Most virulent Brucella
Least - B. abortus
Most - B. melitensis
Brucella melitensis
reservoir
goats; sheep; camels
Brucella suis
reservoir
pigs
Campylobacter jejuni
GS
“GNR
small; squiggle”
Campylobacter jejuni
Campy BAP
“wet; flat; tan/pink;
irregular
follow streak line”
Campylobacter jejuni
requirements
5% O2
10% CO2
42°/4°
Campylobacter jejuni
virulence factors
“enterotoxin
cytotoxin”
Campylobacter jejuni
reservoir
“poultry
other farm animals”
Campylobacter jejuni
transmission
“F-O
water; milk; raw food
animal contact”
Campylobacter jejuni
disease
“gastroenteritis
pre-Guillain Barre”
Campylobacter jejuni
resistance
TMP/SMX
Campylobacter jejuni
specific tests/agars
Skirrow’s medium
Campy BAP/CVA