Microbiology and Immunology 2500A/B Lecture 16: Lecture 3_ Viral Genomes

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Labelled shell / dna t t o o. Proved that genome is key for viral production (shell) Transfer of genome transfer of cyanine fluorescent dye fluorescent dye (binds to viral genome) cell interior. Classify viruses according to their genome in seven groups. Viral genomes must make mrna that can be read by host ribosomes (5 " -73" ) Rna viruses were first sslds dna c- ssdna c- p. Viral rna - dependent dna pol (rt) dsdna genomes o. Dna - dependent rna pot . viruses transcription (similar to dogma , single step to ssdna. Rna pot , from host for small viruses , self - encoded for large viruses polgomauircdaeijcv. ru# Immunocompromised pts will develop degenerative brain disease due to jcv. Causes smallpox uses viral - encoded rna pot . Not fully complementary , need to make complement first dslss dna dsdna via viral -encoded. Dsdna ssdna via host dna - dependent.

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