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Bacterial Infection Patterns

  • Bacterial Pathogenesis
    • Location of bacterial infections
  • Progressive Steps of Bacterial Infection
    • Portals of entry
    • Number of invading bacteria
    • Adherence to host tissue
    • Penetration of host defenses
      • Bacterial structures used for penetration
    • Bacterial destruction of host cells by toxin production
      • Exotoxin
      • Endotoxin

Bacterial Infection Patterns

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  1. Intro
    • 'Hunting the Nightmare Bacteria'
      • Classification of Bacteria
        • Bacterial Pathogenesis
        • Location of Bacteria Infections
          • Steps of Bacterial Infection
          • Portals of Entry
            • The Skin
              • Viral and Bacterial Infection of Respiratory
              • Infection of Intestinal Epithelium
              • Numbers of Invading Bacteria
              • Virulence of Bacillus Anthracis
                • Adherence of Bacteria to Host Tissue
                • Adherence
                • Group A Beta-Hemolytic Streptococci
                  • Bacterial Penetration of Host Defenses
                  • Capsules
                  • Streptococcus Pneumoniae
                    • Cell Wall Components
                    • Bacterial Enzymes
                    • Penetration
                    • Bacterial Damage to Host Cells
                    • Production of Toxins
                    • Exotoxin
                    • Exotoxin Examples
                      • Action of A-B Exotoxin
                        • Endotoxin
                        • Endotoxins and the Pyrogenic Response
                          • Example Endotoxins
                          • Steps of Bacterial Infection
                            • Bacterial Penetration of Host Defenses
                              • Example 1
                                • Example 2
                                  • Example 3
                                    • Intro 0:00
                                    • 'Hunting the Nightmare Bacteria' 0:42
                                    • Classification of Bacteria 2:13
                                    • Bacterial Pathogenesis 2:31
                                      • First Type of Immunity: Innate Immune System
                                      • Complement System
                                      • Innate Immune Cells: Phagocytosis
                                      • Cytokine Production and Epitopes
                                    • Location of Bacteria Infections 4:05
                                    • Steps of Bacterial Infection 5:25
                                      • Entry Into Host
                                      • Adherence to Host Tissue
                                      • Colonization
                                      • Overcome a Host's Defense
                                      • Hosts' Immune Response
                                      • Damage the Host Tissues
                                      • Progression or Recovery
                                    • Portals of Entry 6:35
                                    • The Skin 7:18
                                    • Viral and Bacterial Infection of Respiratory 7:46
                                      • Bacteria Entry
                                      • Some Bacteria Produce Toxins and Enzymes
                                      • Immune Response is Disease Causing Part of Bacterial Infection
                                    • Infection of Intestinal Epithelium 8:59
                                      • Shigella
                                      • Salmonella
                                    • Numbers of Invading Bacteria 11:05
                                      • Virulence
                                      • Potency
                                    • Virulence of Bacillus Anthracis 12:33
                                    • Adherence of Bacteria to Host Tissue 13:49
                                      • Adhesins or Ligands
                                      • Glycocalyx
                                      • Fimbriae
                                      • M Protein
                                    • Adherence 15:07
                                      • Adhesins or Ligands
                                      • E. coli Bacteria
                                      • Bacteria Adhering to Human Skin
                                    • Group A Beta-Hemolytic Streptococci 16:28
                                    • Bacterial Penetration of Host Defenses 16:42
                                      • Capsules
                                      • Cell Wall Components
                                      • Enzymes
                                      • Antigenic Variation
                                      • Penetration into Host Cell Cytoskeleton
                                    • Capsules 18:06
                                      • Capsule
                                      • Glycocalyx
                                      • Functions to Impair Phagocytosis
                                      • Host Can However Develop Antibodies Against the Capsule
                                    • Streptococcus Pneumoniae 19:28
                                    • Cell Wall Components 20:06
                                      • M Protein
                                      • Neisseria Gonorrhea
                                      • Fimbriae
                                    • Bacterial Enzymes 21:23
                                      • Coagulase
                                      • Hyalurpnidase
                                      • Collagenase
                                      • IgA Proteases
                                    • Penetration 22:44
                                      • Invasins
                                      • Invasins Cause Host Cell Membrane to Ruffle
                                      • Shigella and Listeria
                                    • Bacterial Damage to Host Cells 23:50
                                      • Production of Toxins
                                      • Types of Toxins
                                    • Production of Toxins 25:00
                                      • Toxin
                                      • Toxigenicity
                                      • Toxemia
                                      • Toxoid
                                      • Antitoxin
                                    • Exotoxin 25:44
                                      • Produced Inside Some Bacteria
                                      • Released When Bacteria Undergoes Lysis
                                      • Proteins and Enzymes That Catalyze Certain Biochemical Reactions
                                      • Bacteria That Produce Exotoxins Can be Gram + or Gram -
                                      • Exotoxins Are Soluble in Body Fluids
                                      • Some Diseases Caused by Their Exotoxins
                                    • Exotoxin Examples 27:35
                                    • Action of A-B Exotoxin 28:11
                                    • Endotoxin 29:12
                                      • Endotoxin Differ from Extoxin in Several Ways
                                      • Endotoxins are Released When Gram - is Liberated
                                      • Antibiotics Used to Treat Gem
                                      • Endotoxins Stimulate Macrophages to Release High Concentrations of Cytokines
                                    • Endotoxins and the Pyrogenic Response 31:17
                                    • Example Endotoxins 32:08
                                      • Salmonella Typhi
                                      • Neisseria Meningitidis
                                      • Proteus Spp
                                    • Steps of Bacterial Infection 32:42
                                    • Bacterial Penetration of Host Defenses 33:59
                                    • Example 1 34:41
                                    • Example 2 37:25
                                    • Example 3 39:39