z- Test 1

Enzymes protein catalysts Reaction coupling ability to convert one form of energy into another, then use it to drive energetically unfavorable reactions Oxidation all energy comes from oxidation of something, and electron transfer Membrane gradients

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Zoonotic Infections

Cholera Microbe – Vibrio choleraeAnimal reservoir – shellfishSpread – T; water/food CJD Microbe – prionAnimal reservoir – cattle/humansSpread – T; food/cannibalism Dengue Microbe – FlaviviridaeAnimal reservoir – monkeys/humansSpread – V; mosquito – Aedes Ebola Microbe

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Zoonotic Bacteria

Bartonella spp. Cat scratch diseaseTransmission: Cat scratch Borrelia burgdorferi Lyme diseaseIxodes ticks (live on deer and mice) Borrelia recurrentis Recurrent feverLouse Recurrent b/c of variable surface antigens) Brucella spp. Brucellosis/undulant feverUnpasteurized dairy Campylobacter Bloody diarrheaPuppies,

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Zoonoses

Rhabdovirus -disease -vector -incubation -clinical manifestation -diagnosis -treatment -notes Disease: rabies Vector: infected animals esp. racoons, skunks, bats, and foxes Incubation: 10 days – many years but typically 3-7 weeks Clinical manifestation: –Prodrome   ~fever,

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z-MicroBio Final – Ch. 29, 30

Virulence of Microorganisms -vs- Resistance of Host Virulence:InvasivenessToxigenicityResistance:Acquired or Induced Immunity (Resistance)Humoral Immunity: mediated by antibodiesCellular Immunity: mediated by cells (T cells)Natural Resistance: (Innate immunity)Cells: macrophages, etc.Mechanical barriers: skin & mucous membranesChemical factors: intereferons, fatty

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