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65 Cards in this Set
- Front
- Back
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Labile Toxin
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Heat labile enterotoxin
A-B structure E.coli produced Stimulates adenylcyclase -> increased cAMP -> Cl excretion/ inhibit Na+ resorption |
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Stable Toxin
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Non-heat labile
Non-antigenic: Too small Neonatal swine d+ Sta - pre-weaning pigs - stim guanylate cyclase -> increase cGMP Stb - post-weaning pigs, earlier onset, longer action, unknown mech |
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Aeromonas Hydrophila
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Fres H2O/Sewage/Fish Tanks
Frogs - Red Leg (Septicemia) Humans - cellulitis, wound infectons, D+, septicemia |
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Aeromonas salmonicida supsp salmonicida
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Cold water fish - Salmon, trout
Skin ulcers, furunculosis Septicemia "Goldfish Ulcer" |
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Mycoplasma pulmonis
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Respiratory disease in rats/mice
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Burkholderia pseudomallei
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Melioidosis - "glanders-like"
Causes nodules in any tissue in soil/H20, transmitted by rodents/insects "Vietnamese timebomb" |
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Mycoplasma haemofelis
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FELINE INFECTIOUS ANEMIA
carried by fleas/ticks Damage rbc membrane ->splenic erythrophagocytosis Coombs test + |
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Mycoplasma pneumoniae
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Human pneumonia
P1 antigen -adhesin Can fuse plasma membrane w/ host cell |
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Pseudomonas aeruginosa (1)
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Green Pus Bacillus
Can use nitrate as terminal e- acceptor Found in skin, H2O, soil Not active invader |
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Pseudomonas aeruginosa(2)
- Diseases |
Bovine Mastitis
Otitis externa - dogs/humans UTI BURN WOUNDS Necrotic stomatitis - snakes/turtles Hemorrhagic pneumonia - mink, chinchillas |
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Burkholderia mallei
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Equine Glanders
Erradicated from USA 3 forms: Pulmonary (nodules & cheesy pus), Nasal (nodules->ulcers), Farcy (cutaneous lymph channel nodules) Carnivores infected by eating meat |
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Mycoplasma haemosuis
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Attacks RBC
Transmitted by hog louse Younger than 5 days piglets - severe anemia Chronic sow infection - decreased reproduction |
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Flavobacterium colomnare
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Warm water fish
columnaris disease - brown/yellow skin lesions, gill breakdown |
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Mycoplasma synoviae
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Infections synovitis & air sacculitis
Chickens and Turkeys Egg/LateralTransmission Eggs treated by dipping/heating |
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Mycoplasma gallisepticum
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Chronic respiratory - chickens
Infectious sinusitis - turkeys (more severe) Contact/airborne/droplet Egg/venereal transmission Egg Dipping/Egg Heating/All-in all out |
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Mycoplasma meleagridis
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Air sacculitis - Turkeys
Egg transmission Seen in day-old poults |
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Mycoplasma bovoculi
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Infectious Bovine Keratoconjunctivitis- Pinkeye
Predisposing for Moraxella bovis, M. bivoculi |
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Mycoplasma dispar
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Calf pneumonia
Suppresses antibody response to M. bovis Hypersensitivity - <40 day calves only have alveolitis Older calves - more severe |
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Mycoplasma capricolum
subspecies capripneumoniae |
Contagious caprine pleuropneumonia
Capsular polysaccharide Aggressive, but limited to thoracic cavity and assoc lymph Culling recommended |
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Mycoplasma bovis
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Mastitis, pneumonia, otitis,
Arhritis a sequelae to pneumonia in calves Preventative - pasteurizing milk Culling recommended |
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Mycoplasma hyosynoviae
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Polyarthritis in growing/finishing swine
Carried in tonsils for a long time |
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Mycoplasma mycoides subspecies mycoides Small Colony
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Contagious bovine pleuropneumonia
Eradicated from US Sign - "Air Hunger" |
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Mycoplasma hyorhinis
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Young pigs (3-10 wks)
Sporadic Polyserositis ->Septic Stress |
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Mycoplasma conjunctivae
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Ovine/Caprine Keratoconjunctivitis
- Also in ibex/chamois Can lead to blindness |
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Mycoplasma ovipneumoniae
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Chronic Pneumonia
-Proliferative Interstitial or Atypical Pneumonia Transmitted from Adults-> Lambs Clinical: lambs, kids 5-10 wks age Prevent - change to all-in all-out |
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Mycoplasma agalactiae
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Contagious agalactia in goats
Transmitted by fomites, ear mites, ingestion Culling reccomended |
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Mycoplasma capricolum
subspecies capricolum |
Acute septicemia, polyarthritis, meningitis, mastititis
80% homology with capripneumonia |
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Ureaplasma diversum
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Granular vulvo-vaginitis/infertility in cows
Splits urea |
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Yersinia Pseudotuberculosis
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Mimics appendicitis, also d+
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Yersinia Enterocolitica
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humans, monkeys, chinchillas, hares
Mesenteric lymphadenitis & d+ in children |
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Edema Disease
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F18 strains of E.coli
"Shiga-like" toxin NAD-dependent ADP ribosylation of elongation factor 2 (inhibits protein synthesis of vascular endotelium) ->edema -> necrosis |
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Host Adapted Salmonella
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Typhi - Human
Cholerasuis - Swine Dublin - Cow Pullarum - white Gallinarum - fowl typhoid in chicken/turkey Anatum - keel disease in ducks Arizonae - turkey septicemia/enteritis |
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Klebsiella Pneumoniae
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Mucoid
Heavy Capsule Nosocomial human infections, bovine mastitis Also UTI, Repro tract, pneumonia |
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Shigella
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Fecal-oral
Close groups (cruises, day-care) Bacillary dysentery - Inflam/ulceration of intestine |
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Serratia marcescens
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Proliferative osteomyelitis - dogs
Mastitis- bovine Pink color |
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Mycobacterium tubuerculosis
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TB in humans/primates
6 mos antibiotic short "course" Drug Resistance - when drug addicts/homeless can't finish drug course |
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Bacille Calmette Guerin Vaccine
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TB vaccine used in other countries
Reduces lethal form in kids, not helpful to adults Not used in US - everyone will be + on TB test |
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Mycobacterium leprae
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Human (skin) & armadillo (systemic) leprosy
Slow growth: 20-30 days |
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Mycobacterium lepraemurium
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Feline leprosy-like
Also effects rats |
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Mycobacterium marinum
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Swimming pool granulomas
Photochromogenic - yellow |
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Mycobacterium kensasi
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LN lesions - cow, deer, swine
Pulmonary/extra pulmonary in humans Causes cross rxns |
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Mycobacterium fortuitum
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Pulmonary disease - Dogs/humans
Fast grower |
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Mycobacterium chelanae
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Swine LN,
Infections in Cold-Blooded Fast-grower Humans - porcine valve transplants |
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Mycobacterium bovis
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Not in birds
Pasteurization/sunlight destroys it Needs glyercol 3-4 weeks to grow |
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Citrobacter
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Like salmonella, but does not decarboxylate lysine
Soil/Water/Sewage |
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Yersinia pestis
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Bubonic Plague - Black Death
Rats (Sylvatic), Bubonic (when in human), Pneumonic (rare) |
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Nocardia asteroides
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Opportunist, found in soil
Bovine mastitis Suppurative and Granulomatous infections, Pyothorax Pulmonary infections Bite wounds Ingestion, inhalation Immune suppression or traumatic introduction Partial acid-fast |
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Dermatophilus congolensis
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Exudative dermatitis, large scabs
In soil, Has life cycle Motile zoospores ->germ tube ->filament->zoospores Horses inside in winter/wet environment Can enter via Wounds |
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Morganella morganii
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Smells like proteus, no swarming
Snakebite Scromboid poisoning: Histidine decarboxylase - > Lots of histamine -> Anaphylaxis like shock when food eaten |
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Mycoplasma bovigenitalium
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Seminal vasculitis, urethritis
Semen contaminant |
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Actinomyces bovis
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Cattle LUMPY JAW
Withers/poll evil - horses Traumatic introduction Sulfur granules - make glycocalyx, cement together |
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Mycobacterium avium subspecies paratuberculosis
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Johne's
4-16 wk growth Adult cows resistant Chronic intermittent d+/emaciation Serological diagnosis most common |
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Providencia
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Humans - UTI, wounds
Like proteus, but not swarming |
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Proteus
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Swarming colonies
UTI, Wounds, 2nd invaders, D+ in young Otitis externa - dogs Snake Bite Wounds MEAT SPOILAGE |
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Alpha hemolysin
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Complete beta hemoylsis
Inserts monomeric subunits into cell wall -> form pore-> Ca + K exit cell ->necrosis Enhances virulence Human GI infections via E coli |
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Escherichia coli
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Cattle - White Scours - F5/K99 + Sta
Lambs - Water Belly - F5/K99 + Sta Umbilical infections Pyometra - Dogs UTI, Mastitis, Metritis, Diarrhea |
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Unique Colibacillosis contraction
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Poultry - dust w/ fecal e.coli -> resp tract -> air saculitis
Psittacines, Rabbit +Guinea Pig after antibiotics -> severe enteritis in GI -> septicemia |
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Enterobacter
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Psittacines - Enteric pathogen
Dairy - Mastitis Small Animal - UTI High Resistance to Antibiotics |
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Mycobacterium
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High lipid cell wall content: acid fast
- Disinfectant resistant (use phenols) Survive within macrophages Resistance: Cord factor, sulfur containing glycolipids (disrupt lysosome) Killed bacteria INDUCE cell-mediate response |
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Erwinia carotovora
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Plant pathogen
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Edwardsiella ictaluri
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Enteric septicemia in catfish
Culture at room temp |
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Flavobacterium psychrophilum
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Rainbow trout fry syndrome - hemorrhagic septicemia
Cold water fish (freshwater trout/salmon) - necrotic lesions |
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Actinomyces viscosus
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Dog - Pyothorax
Human, Hamster - peridontal disease |
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Actinomyces suis
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Mammary gland lesions in sow
Piglet - oral cavity/GIT |
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Actinomyces israelii
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Humans - lumpy jaw
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