Module 6 Notes
CONTENTS
6.1 - Study Notes on Viruses ....................................................................................................... 3
Introduction to Viruses ............................................................................................................ 3
Virus Composition: Size and Shape ........................................................................................ 3
Components ...................................................................................................................... 3
Viral Shapes and Sizes .......................................................................................................... 4
Viral Life Cycle (Replication) ........................................................................................................ 4
Types of Viruses ........................................................................................................................ 4
Based on Genetic Material ......................................................................................................... 4
Causative Agents ................................................................................................................... 4
Viral Families ............................................................................................................................... 5
Viral Genome and Protein Synthesis ...................................................................................... 5
Innovations from Viral Studies ................................................................................................ 5
6.2 – Viral Replication ............................................................................................................ 6
Overview of Viral Replication ....................................................................................................... 6
6 Steps of Viral Replication [Animal Viruses] ....................................................................... 6
Notes ..................................................................................................................................... 7
Types of infections ................................................................................................................ 7
Significance in Medical Research ............................................................................................................. 8
6.3 – Bacteriophages .............................................................................................................. 8
Introduction to Bacteriophages .............................................................................................. 8
Bacteriophage Structure .......................................................................................................... 9
Bacteriophage Replication Cycles ................................................................................................ 9
Lytic Cycle ................................................................................................................................. 10
Temperate [Lysogenic] Cycle ............................................................................................ 10
Applications of Bacteriophages ............................................................................................ 11
Culturing and Quantifying Bacteriophages ......................................................................... 11
6.4 – Viruses in Microbiology I................................................................................................... 11
Introduction to Viruses .......................................................................................................... 11
Terminology ............................................................................................................................. 11
Specific Viral Diseases and Vaccinations .................................................................................................... 12
Measles (aka Rubeola) ........................................................................................................ 12
Mumps .............................................................................................................................. 13
Rubella (aka German Measles) .......................................................................................... 14
Chickenpox and Shingles .................................................................................................... 14
Smallpox ............................................................................................................................... 15
Vaccination .............................................................................................................................. 16
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Current Challenges and Considerations17
6.5 – Viruses in Microbiology II ................................................................................................. 18
Polio (Poliomyelitis) ................................................................................................................. 18
Influenza ................................................................................................................................................. 18
Coronavirus-Associated Infections .................................................................................... 19
Human Immunodeficiency Virus (HIV) .............................................................................................. 19
Conclusion ................................................................................................................................ 20
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