Last edited by Zulkigami
Wednesday, July 29, 2020 | History

4 edition of RNA viruses found in the catalog.

RNA viruses

RNA viruses

a practical approach

  • 392 Want to read
  • 31 Currently reading

Published by Oxford University Press in Oxford, New York .
Written in English

    Subjects:
  • RNA viruses -- Research -- Methodology

  • Edition Notes

    Includes bibliographical references and index

    Statementedited by Alan J. Cann
    SeriesThe practical approach series
    ContributionsCann, Alan
    Classifications
    LC ClassificationsQR395 .R583 2000
    The Physical Object
    Paginationxx, 266 p. :
    Number of Pages266
    ID Numbers
    Open LibraryOL16977365M
    ISBN 100199637172, 0199637164
    LC Control Number99057577

    Which RNA viruses are segmented. Bunyaviruses (3), Orthomyxoviruses(8), Arenaviruses(2), Reovirus () How is Picornavirus produced? RNA is translated into1 large polypeptide that is cleaved by proteases into functional viral proteins. . RNA respiratory viruses, including influenza virus, respiratory syncytial virus (RSV), parainfluenza virus (PIV), human metapneumovirus (hMPV), human rhinovirus (HRV), and coronavirus (CoV), are increasingly being recognized as causing significant morbidity, graft failure, and death among immunocompromised patient populations. Respiratory viral infections are associated with Cited by: 3.

    Single-stranded RNA viruses. The linear single-stranded RNA viruses form 3 groups. Picornaviruses and togaviruses are examples of the first group. These genomes have two functions (Figures and ). The first of these functions is to serve as a messenger RNA. By convention, viruses whose genomes can and do serve as messengers are known as Author: Bernard Roizman. General Virology. This book covers the following topics: Virus history, Virus Diversity, Virus Shapes, Virus Sizes, Components of genomes, Isolation and purification of viruses and components, Virus host interaction, Positive strand RNA virus, Negative strand RNA viruses, Other RNA viruses and DNA viruses. Author(s): Sachin kumar.

    Get this from a library! RNA viruses: host gene responses to infections. [Decheng Yang;] -- This is the first comprehensive book on human/animal gene responses to RNA viral infections, including prevalent, emerging and re-emerging RNA viruses such as . In this book, expert RNAi specialists from around the world have teamed up to produce a timely and thought-provoking review of the area. The two central themes are the latest findings on RNAi-virus interactions and the current progress in the development of RNAi-based antiviral therapeutics. A number of chapters explain general concepts concerned with the role of RNAi .


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RNA viruses Download PDF EPUB FB2

Susan Payne, in Viruses, Abstract. RNA viruses replicate their genomes using virally encoded RNA-dependent RNA polymerase (RdRp). The RNA genome is the template for synthesis of additional RNA strands. During replication of RNA viruses, there are at least three types of RNA that must be synthesized: the genome, a copy of the genome (copy genome).

Most RNA viruses are small with RNA viruses book genome size of 10kb or less. As noted elsewhere in this book, their RNA polymerase lacks a mechanism to recognize and correct errors (mutations) that arise during genome replication.

As a result, quasispecies. RNA viruses are classified according to their sense or polarity of RNA into Plus-Strand RNA viruses, Minus-Strand RNA viruses and also genome can be classified as single stranded, double stranded or fragmented. Most of RNA viruses replicate and are assembled in the cytoplasm but DNA viruses replicate and are assembled in the nucleus of the host cell.

Virology is the study of viruses, complexes of nucleic acids and proteins that have the capacity for replication in animal, plant and bacterial cells. To replicate themselves, viruses usurp functions of the host cells on which they are parasites.

The viral parasite causes changes in the cell, particularly its antigenicity; moreover. RNA viruses replicate their genomes using virally encoded RNA-dependent RNA viruses book polymerase (RdRp).

The RNA genome is the template for synthesis of additional RNA strands. During replication of RNA viruses, there are at least three types of RNA that must be synthesized: the genome, a copy of the genome (copy genome), and mRNAs. The minus-strand RNA can be used as a template for more plus-strand RNA, which can be used as mRNA or as genomes for the newly forming viruses.

+ssRNA. Translation of the poliovirus genome yields a polyprotein, a large protein with protease activity that cleaves itself into three smaller proteins. RNA interference (RNAi) is a novel and effective way to cure a wide range of viruses.

We constructed three short hairpin RNA (shRNA)-expressing plasmids (shR-N, shR-N, and shR-N) directed against nucleocapsid (N) and determined their antiviral activities in intestine epithelial cells infected with a classical CV strain and LNCT2. RNA viruses, which is attributed to the lack of proofreading activity of viral RNA-dependent RNA polymerase.

Thus, in the recent years, research focusing on understanding the molecular pathogenesis of RNA viruses have been very active and made tremendous advances. In this book, we have organized 27 chapters written by highly respective virologists5/5(1).

This is the first comprehensive book on human/animal gene responses to RNA viral infections, including prevalent, emerging and re-emerging RNA viruses such as HIV, SARS-CoV, West Nile virus, influenza virus and many others.5/5(1).

Introduction: RNA viruses Carol Shoshkes Reiss Viruses that infect the central nervous system may cause acute, chronic, or latent infections. In some cases, the diseases manifested are attributable to viral damage of neurons or supporting parenchy-mal tissues; in other cases, to immune attack on virally infected cells.

They can be spread by excre-File Size: KB. Viruses are everywhere -- and abundant. Viral infections can pose a mild risk to our health, like the common cold, or a threat to our lives, like an HIV infection. Viruses can be grouped according to their genetic material: DNA or RNA.

Both types can infect host organisms and cause disease. However, the ways that DNA. RNA viruses have RNA as genetic material, that may be a single-stranded RNA or a double stranded RNA.

Viruses may exploit the presence of RNA-dependent RNA polymerases for replication of their genomes or, in retroviruses, with two copies of single strand RNA genomes, reverse transcriptase produces viral DNA which can be integrated into the host Cited by: 4.

Like most viruses with RNA genomes, double-stranded RNA viruses do not rely on host polymerases for replication to the extent that viruses with DNA genomes do.

Double-stranded RNA viruses are not as well-studied as other classes. RNA virus a virus whose genome consists of RNA. rubella virus a togavirus that is the etiologic agent of rubella. satellite virus a strain of virus unable to replicate except in the presence of helper virus; considered to be deficient in coding for capsid formation.

simian-human immunodeficiency virus a chimeric, engineered virus with the. RNA viruses Class III: dsRNA. Double-stranded RNA viruses infect bacteria, fungi, plants, and animals, such as the rotavirus that causes diarrheal illness in humans.

But cells do not utilize dsRNA in any of their processes and have systems in. In many ways, viruses are eerily reminiscent of the idea of ancient spells, which sit quietly as words in a book until someone utters the mystical syllables and unleashes the. This book contains 31 papers divided into six sections.

The section headings are: Molecular Genetics of the RNA Tumor Viruses, Endogenous Retrovirus Sequences in Human Cells, Molecular Biology of Human Cancers, HTLV/LAV, T-Cell Leukemia and AIDS, Experimental Model Systems for the Study of Human Neoplasia and Related Diseases, and Perspectives.

RNA Viruses: Host Gene Responses to Infections Decheng Yang This is the first comprehensive book on human/animal gene responses to RNA viral infections, including prevalent, emerging and re-emerging RNA viruses such as HIV, SARS-CoV, West Nile.

This book is a tour de force introduction to the field of emerging RNA viruses by one of the world's leading experts in virus evolution. The book progresses rapidly from concise chapters on RNA virus biology, origins and microevolution to detailed discussions of RNA virus macroevolution, (contentious) quasi-species concepts, phylogeography and patterns of RNA virus emergence.

Both DNA and RNA viruses have been shown to be capable of causing cancer in humans. Human T lymphotrophic virus type 1 and hepatitis C viruses are the two RNA viruses that contribute to human cancers. Hepatitis C virus is an enveloped RNA virus capable of causing acute and chronic hepatitis in humans by infecting liver cells.

In biology, viruses are small infectious agents, which invade living cells and take over the processes inside them.

One way by which viruses can be classified is based on the nuclear structure of their cells. There are two major categories of viruses – DNA and RNA.

In the following article, we will examine the differences between them/10(50). Reverse Genetics of RNA Viruses provides a comprehensive account of the very latest developments in reverse genetics of RNA viruses through a wide range of applications within each of the core virus groups including; positive sense, negative sense and double stranded RNA viruses.

Written by a team of international experts in the field, it. RNA virus: A virus in which the genetic material is RNA. The RNA may be either double- or single-stranded. There are 6 classes of viruses. The DNA viruses constitute classes I and II.

The RNA viruses make up the remaining classes. .