Bio for non majors 15

Bio for non majors 15 - Influenza Three types of influenza...

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Influenza Three types of influenza Type A has been responsible for pandemics Influenza surface proteins Hemagglutinin (HA) Involved in receptor binding and membrane fusion 16 subtypes Targeted by antibodies Neuraminidase (NA) Involved in viral release 9 subtypes Crash course in the immune system Our body has natural protection (skin, saliva, mucus, coughing) Lymph nodes Antigens are presented to the immune system here Macrophages Engulf invaders and place some of their proteins on their surface T cells Recognize self and antigens on macrophages Can release toxins and cause cell lysis B cells Produce antibodies Remember previously defeated invaders Antibodies Bind to antigens Can cause cell lysis, clumping, precipitation, and neutralization (bind to and prevent sites of attachement) On B cells and soluble HIV genome mRNA Maturation Viral RNA segments are associated with NP proteins and the viral polymerase in panhandle/corkscrew shape
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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 15 - Influenza Three types of influenza...

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