1
The Viruses
 General Characteristics
Size, Shape, Classification,
Composition (NA, protein, lipid)
Infectivity (Host ra...
2
The Viruses
 General Characteristics
Size:
Shape:
Composition:
Classification:
Infectivity:
Host range
Tissue tropism
...
E. coli T- phages
Perspective:
Size
Virus Shape
(d) Helical
(e) Icosahedral
Viral Diversity
and
Methods used in
Classification
Viral
Anatomy
Anatomy of a
Herpes virus
Viral Diversity
Viral Diversity
Viral Diversity
16
The Viruses
 General Characteristics
Size, Shape, Composition (NA, protein, lipid)
Classification, Infectivity (Host r...
General
Phage
Life
Cycle
Lytic
vs
Lysogenic
Cycle
Transduction
Transduction
Information
Flow in
Different
Viruses
Replication:
A DNA Virus
Replication:
An RNA Virus
Penetration
Penetration:
HIV virus
Biosynthesis:
HIV virus
Release
29
The Viruses
 General Characteristics
Size, Shape, Composition (NA, protein, lipid)
Classification, Infectivity (Host r...
Cytopathology
Cytopathology
Prions:
Mechanism
of Action
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
Virology (CELL AND CLASSIFICATION OF ORGANISMS)
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Virology (CELL AND CLASSIFICATION OF ORGANISMS)

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#About the viruses.
#Presentation
#general characteristic
#replication
#effect on cells

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Virology (CELL AND CLASSIFICATION OF ORGANISMS)

  1. 1. 1 The Viruses  General Characteristics Size, Shape, Classification, Composition (NA, protein, lipid) Infectivity (Host range & tissue tropism)  Replication Phages vs Animal viruses DNA viruses vs RNA viruses  Effects on Cells Cytopathology, Organismal effects Oncogenes and tumorigenesis
  2. 2. 2 The Viruses  General Characteristics Size: Shape: Composition: Classification: Infectivity: Host range Tissue tropism  Replication Phages vs Animal viruses DNA viruses, RNA viruses  Effects on Cells Cytopathology, Organismal effects Oncogenes and tumorigenesis
  3. 3. E. coli T- phages
  4. 4. Perspective: Size
  5. 5. Virus Shape
  6. 6. (d) Helical
  7. 7. (e) Icosahedral
  8. 8. Viral Diversity and Methods used in Classification
  9. 9. Viral Anatomy
  10. 10. Anatomy of a Herpes virus
  11. 11. Viral Diversity
  12. 12. Viral Diversity
  13. 13. Viral Diversity
  14. 14. 16 The Viruses  General Characteristics Size, Shape, Composition (NA, protein, lipid) Classification, Infectivity (Host range & tissue tropism)  Replication Phages: Lytic vs lysogenic infection, Transduction Animal viruses: DNA viruses vs RNA viruses, Retroviruses  Effects on Cells Cytopathology, Organismal effects Oncogenes and tumorigenesis
  15. 15. General Phage Life Cycle
  16. 16. Lytic vs Lysogenic Cycle
  17. 17. Transduction
  18. 18. Transduction
  19. 19. Information Flow in Different Viruses
  20. 20. Replication: A DNA Virus
  21. 21. Replication: An RNA Virus
  22. 22. Penetration
  23. 23. Penetration: HIV virus
  24. 24. Biosynthesis: HIV virus
  25. 25. Release
  26. 26. 29 The Viruses  General Characteristics Size, Shape, Composition (NA, protein, lipid) Classification, Infectivity (Host range & tissue tropism)  Replication Phages vs Animal viruses DNA viruses, RNA viruses  Effects on Cells Cytopathology Organismal effects Oncogenes and tumorigenesis
  27. 27. Cytopathology
  28. 28. Cytopathology
  29. 29. Prions: Mechanism of Action
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