PPT-Lec . 8 Virus genome replication

The genome of the infecting virus is replicated so that viral transcription can be amplified and to provide copies of the genome for progeny virions Generally DNA viruses copy their genomes . Algorithmic Warm-Up. Phillip . Compeau. and Pavel Pevzner. Bioinformatics Algorithms: an Active Learning Approach. ©2013 . by Compeau and Pevzner. All rights reserved . . Before a C. ell . D. ivides. Andrey Grigoriev. Director, Center for Computational and Integrative Biology. . Rutgers University. 2. What are we going to do?. Observe effects of fundamental processes. Estimate their relative contribution. 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. Sadia. . Anjum. Virology lecture 5. 1. RNA VIRUS STRATEGIES. 2. RNA -> RNA. RNA-dependent RNA polymerase . RNA -> DNA. RNA-dependent DNA polymerase. - reverse transcriptase . Host cell DNA -> RNA. Size of genome. Segmented or not. Site of replication.  . FAMILIES of NEGATIVE STRAND VIRUSES.  . NON-SEGMENTED (-)STRAND VIRUSES. .  . RHABDOVIRIDAE. Rabies, VSV, & Plant viruses .  . FILOVIRIDAE. Carcinogenesis. Carcinogenesis or . Oncogenesis. =. creation of cancer= normal cells are transformed into cancer cells= characterized by . a progression of changes on cellular and genetic level . that ultimately reprogram a cell to undergo uncontrolled cell division, thus forming a malignant mass.. Outcomes of the virus infection for the host . In the previous few chapters we have looked at . aspects of . the virus replication cycle that culminate in . the exit . of infective progeny . virions. BCH 4I4. LECTURE 7-9. Survey of structural properties of different classes of viruses . S.O Anadozie (Ph.D. .). VIRUSES. A virus is a small filterable and obligate intracellular parasite requiring a living host for its multiplication . . By. Prof. Dr. Abdul-Hameed Khalid . Khadhair. . Medical Virology:. - Introduction. - History and Technology Development. - Theories on origin of viruses. - Viruses and virus-like structures. History of Viruses:. . Almaziny. Virology . Without a host cell, viruses cannot carry out . their . life-sustaining functions or reproduce. . Because : . They . cannot . synthesize proteins. , because they . Dept. of Biology, 2. nd. year, 2020. Mustansiriyah. University. References:. Virology: principles and applications, John Carter and Venetia Saunders, 2013.. Principles of Molecular Virology, Alan, J. . Introduction:. Viral infections of plants can cause necrosis, hypoplasia . or . hyperplasia and these effects can lead to symptoms such as. Growth retardation . Distortion. Mosaic patterning of leaves. Viral Replication. Viruses multiply only in living cells (As viruses are obligate intracellular pathogens they cannot replicate without the machinery and metabolism of a host . cell). . . The . host cell must provide the energy and synthetic machinery and the low-molecular-weight precursors for the synthesis of viral proteins and nucleic acids. . KAVITA BASUMATARY. ASSISTANT PROFESSOR. DEPARTMENT OF BOTANY . GOALPARA COLLEGE. Structure of Virus:. The . CaMV. genome consists of circular, double-stranded DNA approximately 8000 bp in length.. The genome contains three discontinuities typical of .