An RNA virus is a virus that has RNA (ribonucleic acid) as its genetic material Viral Genetics Introduction to Viruses: A virus is a biological agent that reproduces inside…

RNA Nonenveloped Viruses PICORNAVIRUSES ENTEROVIRUSES AND GENERAL FEATURES OF PICORNAVIRUSES 1- PICORNAVIRUSES small (20-30 nm) nonenveloped, icosahedral, +ve (20ssRNA viruses…

1. Picornaviruses Eva L. Dizon M.D.,F.P.P.S 2. Objectives 1.To describe picornaviruses as to its characteristics, genome, structure 2. To know the different genus and species…

1. elifesciences.org Jayaraman et al. eLife 2014;3:e04120. DOI: 10.7554/eLife.04120 1 of 17 RNA-directed remodeling of the HIV-1 protein Rev orchestrates assembly of the…

Slide 1 Slide 2 Slide 3 Retrovirus: Partikkel, genom og proteiner Figure 1 Retroviral particle and genome structure. (a) Retrovirus particle showing the approximate location…

Slide 1 NEGATIVE STRAND RNA VIRUSES (-) sense RNA genome: Genomic RNA is not translatable Viral RNA is transcribed into (+)sense mRNA RNA alone is not infectious Virions…

Slide 1 REGULATION OF TRANSLATION DURING VIRAL INFECTION Interferons are produced in response to viral infection as part of the rapid innate immune response Interferons diffuse…

Slide 1 RUBELLA VIRUS Supervised by: Ms. Noura AlKubiasi Prepared by: Amani Mushabab Alahmari Amani Mukhled Alharthi Tahani Alhbabi Fayzh Mofres Alsumairi Slide 2 Introduction…

Chapter 3 Tumor Viruses 3.1, 3.2, 3.5 3.7 - 3.11 3.4 Mar 15, 2007 What is a virus ? - A virus is a microscopic particle (ranging in size from 20 - 300 nm) that can infect…

Viruses are parasites Viral genomes small -- contain few genes compared with living cells HIV genome has 9749 nucleotides - Human cells have ~3.2 x 109 base pairs (~30,000…