Rna replication - PowerPoint PPT Presentation

Defective Interfering RNAs

Defective Interfering RNAs. DI RNAs are formed by deletion and recombination during viral RNA replication. They require helper virus to replicate and to be packaged into DI particles. They must retain all cis-acting signals required for replication and packaging.

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$1 Million

50:50. 15. $1 Million. 14. $500,000. Welcome to Who Wants to be a Millionaire. 13. $250,000. 12. $125,000. 11. $64,000. 10. $32,000. 9. $16,000. 8. $8,000. 7. $4,000. 6. $2,000. 5. $1,000. 4. $500. 3. $300. 2. $200. 1. $100. 15. $1 Million. 14. $500,000. 13.

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Summary of Virological Methods

Summary of Virological Methods. Virus tittering methods (infectivity) Plaque assay Tissue culture infectious dose (TCID 50 ) Hemagglutination (HA): hemagglutinin Immunofluorescence staining(Diagnosis) Serology methods (diagnosis) Enzyme-linked immunosorbent assay (ELISA) Immunoblot assay

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594 views • 21 slides

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