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Gram-Positive Cocci of Medical Importance: Staphylococcus, Streptococcus, and Enterococcus

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Members of the Bacterial World

Introduction to Bacteria

Bacterial Cell Morphology & Arrangements

Introduction to Bacterial Cell Walls

Gram-Positive Cell Walls

Gram-Positive vs. Gram-Negative Cell Walls

The Glycocalyx: Capsules & Slime Layers

Introduction to Biofilms

Introduction to Prokaryotic Flagella

Prokaryotic Flagellar Structure

Prokaryotic Flagellar Movement

Proton Motive Force Drives Flagellar Motility

Chemotaxis

Review of Prokaryotic Surface Structures

Prokaryotic Ribosomes

Introduction to Bacterial Plasmids

Introduction to Cultivating Microbial Growth

Types of Solid Culture Media

Plating Methods

Introduction to Staining

Simple Staining

Differential Staining

Gram Stain

Growing a Pure Culture

Characteristics of Infectious Disease

Bacterial Pathogenesis

Introduction to Pathogenic Toxins

Exotoxins Cause Damage to the Host

Immune Response Damage to the Host

Introduction to Avoiding Host Defense Mechanisms

1) Hide Within Host Cells

2) Avoiding Phagocytosis

3) Surviving Inside Phagocytic Cells

4) Avoiding Complement System

5) Avoiding Antibodies