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Microbial Pathogens: Fungi, Helminths, Protozoa, Viruses, and Host Interactions

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Introduction to Viruses

  • General Structure of Viruses
    04:47
  • Three Common Shapes of Viruses
    03:19
  • Enveloped vs. Non-Enveloped Viruses
    05:09

Bacterial Pathogenesis

  • Intro to Bacterial Pathogenesis
    02:35
  • 1) Exposure to Pathogen
    03:27
  • 3) Invasion into Host Tissues
    05:38

Introduction to Avoiding Host Defense Mechanisms

  • Introduction to Avoiding Host Defense Mechanisms
    01:59

1) Hide Within Host Cells

  • Hide Within Host Cells
    01:50

2) Avoiding Phagocytosis

  • Pathogen Use Capsules & M Proteins to Avoid Opsonization
    05:25
  • Pathogens Avoid Encounter with Phagocytes
    05:13
  • Pathogens Use Fc Receptors to Prevent Opsonization
    03:48

3) Surviving Inside Phagocytic Cells

  • Surviving Inside Phagocytic Cells
    04:18

4) Avoiding Complement System

  • Avoiding Complement System
    04:53

5) Avoiding Antibodies

  • Bacteria Avoid Antibodies by Producing IgA Proteases
    02:59
  • Bacteria Avoid Immune System by Mimicking Host Molecules
    03:11
  • Intro to Avoiding Antibodies
    01:35