PPT-Non-enveloped DNA viruses

Lec 4 Nonenveloped DNA Viruses Nonenveloped viruses are surrounded by a protein coating commonly referred to as a capsid The capsid does the job of attaching to host cells Nonenveloped . Orthopedic & Muscular System: Current Research. . Magali. . Cucchiarini. Biography. Dr. Magali Cucchiarini, PhD, has been a senior scientist in Gene Therapy physiology genetics metabolism injuries genetics methods and is currently an Associate Professor in Molecular Biology at the Saarland University Medical Center, Homburg/Saar, Germany.. Introduction to Basics . Dr.T.V.Rao MD. Dr.T.V.Rao MD. 1. History Virology. Smallpox was endemic in China by 1000BC. In response, the practice of . variolation. was developed. Recognizing that survivors of smallpox outbreaks were protected from subsequent infection, variolation involved inhalation of the dried crusts from smallpox lesions like snuff, or in later modifications, inoculation of the pus from a lesion into a scratch on the forearm of a child. . Lecturer. Dr Ashraf Khasawneh. Department of Biomedical Sciences. Virus infections are Universal …….. Introduction to Virology. A virus is an obligate intracellular parasite containing genetic material surrounded by protein. Folder Title: . CxVirus. (. NoTP. ). Updated: April 12, 2017. See Chapter 3, Weinberg, 2. nd. Edition pages 71 to 102. Importance of Virology to. Cancer Biology and Cancer Medicine. Need to Control Potentially Infectious Exposure. Viruses . A nonliving (?) particle made of proteins, nucleic acids, and sometimes lipids (fats). Viruses only reproduce by infecting living cells. Most viruses can only be seen with an electron microscope. 8.1 What Is a Virus? Plus 9.1, 9.2 (parts). 8.2 Structure of the Virion. 8.3 Overview of the Virus Life Cycle. 8.8 . Temperate Bacteriophages and . Lysogeny. 8.10, 9.6, 9.7 Overview of Animal Viruses. VOCABULARY. Virus. Capsid. Envelope. Human . Immunodeficiency Virus (HIV. ). Influenza. Lytic Cycle. Lysogenic Cycle. Lysis. Retrovirus. Prerequisite questions. What are the eight characteristics which all living things have in common. Draw the basic structure of a virus. Label and define capsid, viral envelope and nucleic acid.. Ch. 17 Warm-up. Draw the lytic/lysogenic cycle.. What stage of the lytic-lysogenic cycle is a virus virulent? Temperate?. 4.4. Lesson Objectives:. After finishing today’s lesson, you will be able to. :. explain . how viral replication leads to host cell . lysis. .. describe . the replication of DNA and RNA viruses. .. As a group discuss for 1 minute. Be able to defend your answer for the class!. Are . VIRUSES. alive?. Growth and Development. Reproduce. Change Over Time. Obtain and Use Energy. Maintain Homeostasis. Pass through specially designed filters. . In 1935, W.M Stanley – isolated TM V – find properties of a crystalline solid . . . Virus not a simply protein but nucleoprotein . Its infectious principle is the nucleic acid (RNA/DNA). ANSWERS CAN BE FOUND IN CHAPTER 19 SECTION 2 on VIRUSES (you need to look at the WHOLE SECTION).. HELPFUL START PAGE= 474. Bacteria & Viruses . What’s the difference??. A little review…. A little review…. Viruses are the most primitive microorganisms infecting man. . General properties. Obligate intracellular . Possess either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), but never both . Smaller than bacteria, can be passed through the bacterial filters. 1- Former member of the . Papovaviridae. family. Similar to . polyomaviruses. in some respects, but with a larger genome (8 . kbp. ) and particle size (55 nm). . 2-There are many genotypes of human papillomaviruses, also known as .