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10 Cards in this Set
- Front
- Back
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Describe how a bacteriophage infects a host bacteria.
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Adsorption of phage to bacteria via tail fibers
Sheath contraction Nucleic acid injection |
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In Lytic Multiplication, describe the eclipse phase.
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After virus injects nucleic acid into the bacteria,
phase where there is no infectious particles anywhere on the bacteria. |
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In Lytic Multiplication,
describe the Intracellular Accumulation phase. |
All viral components made and production of fully functional particles.
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Describe the initial few steps that occur in Lysogenic/Temperate multiplication immediately following injection.
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Circularization of phage chromosome.
Recombination between phage DNA and host chromosome DNA. Repression of phage genome. |
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Define Lysogenic Conversion.
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When a bacteria gains a nutrient utilization gene via specialized transduction.
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Vibrio Cholerae:
- Phage - Gene Product - Phenotype |
CTX phage
Cholerae toxin Cholerae |
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E. Coli:
- Phage - Gene Product - Phenotype |
Lambda phage
Shigalike toxin Hemorrhagic Diarrhea |
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Clostridium Botulism:
- Phage - Gene Product - Phenotype |
Clostridial phage
Botulism toxin Botulism |
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Cornyebacterium Diptheriae:
- Phage - Gene Product - Phenotype |
Cornyephage beta
Diptheriae toxin Diptheria |
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Streptococcus Pyogenes:
- Phage - Gene Product - Phenotype |
T12 phage
Erythrogenic toxin Scarlet fever |
