Bio for non majors 16

Bio for non majors 16 - Viruses Particle consisting of...

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Viruses Particle consisting of nucleic acid (RNA or DNA) enclosed in a protein coat and capable of replicating within a host cell and spreading from cell to cell Virus Morphology Virus Components Small genome Double-stranded or single-stranded DNA or RNA Capsid Surrounds the genome Consists of 1 or more proteins arranged in a regularly repeating pattern Envelope A lipid membrane that surrounds the capsid of some viruses Overview of Virus Replication 1. Interaction with host cell surface 2. Disassembly of the infectious virus particle 3. Replication of the viral genome 5. Synthesis of viral proteins by the host cell translation machinery 6. Reassembly of these components into progeny virus particles Overview of Virus Replication Example of Virus Replication: HIV HIV: Human Immunodeficiency Virus Infects T cells and/or macrophages (cells of the immune system) Infected cells are targeted for destruction, reducing the patient’s ability to fight off
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This note was uploaded on 11/08/2011 for the course BIO 0815 taught by Professor Crucielli during the Spring '11 term at Pittsburgh.

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Bio for non majors 16 - Viruses Particle consisting of...

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