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For more information, please see full course syllabus of Microbiology
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Gram Positive Bacteria

  • Introduction and General Description
    • Properties of Gram Positive Bacterial Cell Wall
      • Immune attack by complement and antibodies
  • Generalized Properties of Gram Positive Bacteria
    • Metabolism, survival, shapes, environments
  • Examples of Gram Positive Bacteria
    • Staphylococcus
    • Streptococcus
    • Bacillus
    • Clostridium
    • Listeria

Gram Positive Bacteria

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.

  • Intro 0:00
  • Introduction 1:01
    • External Peptidoglycan
    • Stain Purple
    • Reasons How External Peptidoglycan is Important
  • Properties of Gram Positive Bacteria 1:51
  • Immune Attack of Gram Positive Bacteria 3:21
    • Process of Opsonization
    • What is Opsonization
    • Complement Forms Membrane Attack Complexes
    • Ways Bacteria Gets Recognized by the System
  • Properties of Gram Positive Bacteria 6:55
    • Metabolism
    • Survival Mechanisms
    • Shapes
    • Environments
  • Examples of Gram Positive Bacteria 7:59
  • Shapes of Gram Positive Bacteria 9:13
    • Streptococci vs. Staphylococci
    • Staphylococci Shape
    • Streptococci Shape
  • Staphylococcus Bacteria 10:04
    • Staphylococcus
    • Salt-Tolerant
    • Two Main Species
    • Pathogenicity
    • Enzymes and Toxins
  • Staphylococcus Aureus 14:57
    • Food Borne Infection
    • Skin Infections
    • Systemic Disease
  • Staphylococcus Bacteria 17:36
    • Categorized According to Antigens
    • Streptococcus Group A
  • Streptococcus Pyogenes 19:09
    • Pathogenicity
    • Rheumatic Fever
    • Necrotizing Fasciatis
    • Glomerulonephritis
    • Surface M Protein
    • Hyaluronic Acid Capsule
    • Enzymes
    • Pyrogenic Toxins
  • Bacillus 23:34
    • Has Endospore Stage and Produces Toxins
    • Bacillus Anthracis
    • Spores Activated
    • Toxins Cause Disease
  • Clostridium Bacteria 26:02
    • Gram Positive, Anaerobic, and Endospore Producing
    • Different Clostridium Bacteria
  • Clostridium Difficile 27:34
    • Commonly Found Among the Intestinal Microbiota
    • Opportunistic Pathogen
    • Common in Hospital
  • Age-Adjusted Death Rate for Enterocolitis Due to C. Difficile 29:16
  • Listeria Bacteria 29:54
  • Avoidance of Immune Reaction by Listeria 31:23
  • Multi-State Listeriosis Outbreak from Whole Cantaloupes Grown by Jensen Farms, Colorado 33:04
  • Example 1 36:17
  • Example 2 39:05
  • Example 3 43:47