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MICROBIOLOGY
GRAM NEGATIVE AEROBIC BACILLI
16
Veterinary Medicine
Undergraduate 2
11/05/2006

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Term
BRUCELLA ABORTUS
Definition
Obligate intracellular parasite of CATTLE; ZOONOTIC-causes Undulant Fever in humans; occupational hazard of handling the MLV (RB-51)
Term
PSEUDOMONAS AEROGINOSA
Definition
On BAP: smooth, shiny, moist, spreading colonies, bright blue/green, grapelike smell, tinfoil sheen, beta hemolysis, medium to large colonies; Gram neg. rod; non-spore forming; aerobic; slightly curved to straight rods. Dogs-UTI, ear infections; Horses-eye & reproductive disorders; Cattle-hardware disease, abortion; Pigs-necrotic rhinitis, pneumonia; Sheep-green wool disease, fleece rot.
Term
BRUCELLA spp.
Definition
BAP: small to large, buttery colored colonies, smooth to rough, non-hemolytic; Gram neg. small rods or coccobacilli; non-spore forming, non-motile. ***Require CO2 for culture. Microaerophilic. Catalase +, Urease +.
Term
CAMPYLOBACTER FETUS SS JEJUNI
Definition
Widely distributed in the intestine of domestic and wild animals.
Term
CAMPYLOBACTER FETUS SS VENEREALIS
Definition
Causes vibriosis; obligate parasite of bovine genitalia; results in abortion, irregular heat cycles and infertility. Transmitted by breeding.
Term
CAMPYLOBACTER FETUS SS FETUS
Definition
ZOONOTIC; causes vibriosis characterized by sporadic abortion in cattle and sheep, usually during last trimester. May cause abortion and Undulant Fever-like syndrome in people. Transmitted orally.
Term
CAMPYLOBACTER SPP.
Definition
BAP: round, raised, regular colonies; start translucent but become opaque. Gram neg., slender, curved to spiral rods; motile; non-spore forming; microaerophilic or anaerobic; true motility; non-hemolytic. Oxidase +. Catalase +. Indole -.
Term
BACTEROIDES NODOSUS
Definition
REPORTABLE DISEASE. Gram neg., slightly curved or straight rod; non-motile; obligate parasite of hooves of sheep, goats and cattle. Control by quarantine and rigorous treatment procedures.
Term
FUSOBACTERIUM NECROPHORUM
Definition
Gram neg. bacillus, long filamentous; non-spore forming; non-motile.
Diseases: Calf diptheria, foot rot in cattle and sheep, liver abscesses, gangrenous dermatitis.
Term
MORAXELLA BOVIS
Definition
"PINK EYE"; Causes Infectious Bovine Keratoconjunctivitis; transmission by direct contact or mechanical transfer (flies); will not grow on MacConkey; on cowblood agar: beta hemolysis; smooth, circular, translucent, grayish colonies.
ZOONOTIC
Term
FRANCISELLA TULARENSIS
Definition
ZOONOTIC; Causes Tularemia in several species; Gram neg. rod; non-motile; poorly staining; cystene is required for growth. On glucose cystene blood agar: smooth gray colonies.
Term
FRANCISELLA spp.
Definition
Transmitted by bite of infected woodticks or ingestion of contaminated food and water. Small pleomorphic coccoid, Gram neg.; microaerophilic (requires CO2); special medium required for growth.
Term
BORDATELLA BRONCISEPTICUM
Definition
"KENNEL COUGH"; Canine Infectious Tracheobronchitis; harsh, dry cough (goose honk); may be followed by retching and gagging.
Term
BORDATELLA spp.
Definition
Gram neg., small rods and coccobacilli, motile, aerobic, singly or in pairs, transmission by droplet inhalation. On BAP: small, dewdrop like, variable hemolysis. Oxidase -. Urease -. Citrate -. Indole -. Catalase -.
Term
BRUCELLA CANIS
Definition
Abortion in dogs. Growth inhibited by 10% CO2.
Term
BRUCELLA OVIS
Definition
Causes infertility in rams (epidydemetitis). Does NOT need CO2 for growth.
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