'Dna viruses' presentation slideshows

Viruses

Viruses. Cause many infections of humans, animals, plants, and bacteria Cannot carry out any metabolic pathway Neither grow nor respond to the environment Cannot reproduce independently Obligate intracellular parasites. Viruses. Cause most diseases that plague industrialized world

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Telomeres

Telomeres. Telomeres. Cellular responses to telomere shortening. The figures show the responses of normal cells, which have intact cell-cycle checkpoints and of cells with checkpoint defects. (From Wong JMY, Collins K: Telomere maintenance and disease. Lancet 362:983, 2003.).

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BIOTEK

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DNA

DNA. Discovery Structure Replication. 40 questions. 1. Describe the two strains of bacteria Griffith used in his experiment with mice. S strain (deadly) -produced a protective slime coating that helped it evade the mouse immune system. -caused pneumonia (a deadly lung disease) in

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Table of Contents

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General structure and classification of viruses

General structure and classification of viruses. DR. Mohammed Arif Associate professor Consultant virologist Head of the virology unit. The concept of virus. Edward Jenner (1798), introduced the term virus in microbiology. Virus in Greek means poison.

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VIRUSES

VIRUSES. CHAPTER 10. What are Viruses?. Obligate intracellular parasites Virion : A complete virus particle, including its envelop, if it has one, is called virion . Viral components Nucleic acids: Genome Capsid: capsomers nucleocapsid. Envelope ( Contain lipid )

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Infectious agents Eukaryotic- parasites, protists, fungi Prokaryotes

Infectious agents Eukaryotic- parasites, protists, fungi Prokaryotes Nonliving- viruses, viroids, prions Viruses apparently infect every living thing (bacterio)phages- bacteria plant and animal viruses. All viruses have a protein capsid Capsid shape is characteristic of the virus

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Gene Delivery Course: MSMVM 3465, Lecture 7, Feb 18, 2009.

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LECTURE 33: Viral Evolution

LECTURE 33: Viral Evolution. By Randall Fisher B.Sc. MBS 2355827@uwc.ac.za. Structure of this lecture:. Split into groups (ten groups of 12.794 students) Recap of last lecture 3 Theories of Viral Origin 3 minute and 47 second interval Baltimore scheme of Viral Classification Questions.

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INTRODUCTION TO VIRUSES

INTRODUCTION TO VIRUSES . Viruses They are the non-cellular form of life. A virus is an obligate intracellular parasite containing genetic material surrounded by protein. Virus particles can only be observed by an electron microscope

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Viral evolution and adaption

Viral evolution and adaption . BTY328: Virology wstafford@uwc.ac.za. Evolving viruses and emerging diseases. Viruses reproduce in minutes Constant mutation and recombination Constant migration Constant adaptation. To combat emerging diseases we require: Surveillance and Testing

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MOLECULAR ONCOLOGY VIRUSES AND CANCER 2017

MOLECULAR ONCOLOGY VIRUSES AND CANCER 2017. Michael Lea. VIRAL ONCOLOGY - LECTURE OUTLINE. 1. Historical Review 2. Viruses Associated with Cancer 3. RNA Tumor Viruses 4. DNA Tumor Viruses. HISTORICAL REVIEW. Historical Review

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Gene Therapy

Gene Therapy. Molecular genetics presentation Made by / Mostafa Ahmed Supervisor Dr / Noha Khalifa. Introduction. Imagine that you accidentally broke one of your neighbor's windows. What would you do? You could:

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Introduction to Virology

Introduction to Virology. Nature of Viruses. Viral genome is packaged in protein coat. Virus Genomes. Nature of Viruses. Viruses need a living cell to survive Viral genome is released inside the cytoplasm of the host cell Virus genomes are made of DNA or RNA Not both

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Lec . 8 Virus genome replication Dr. Ahmed K. Ali

Lec . 8 Virus genome replication Dr. Ahmed K. Ali. The genome of the infecting virus is replicated so that viral transcription can be amplified and to provide copies of the genome for progeny virions .

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Kingdom: Viruses

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Introduction to Virology

Introduction to Virology. Introduction to Virology. A virus is an obligate intracellular parasite containing genetic material surrounded by protein Virus particles can only be observed by an electron microscope. Introduction to Virology.

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INTRODUCTION

INTRODUCTION. RESULTS.

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