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OverviewThe diversity of RNAs inside living cells is amazing. We have known of the more “classic” RNA species: mRNA, tRNA, rRNA, snRNA and snoRNA for some time now, but in a steady stream new types of molecules are being described as it is becoming clear that most of the genomic information of cells ends up in RNA. To deal with the enormous load of resulting RNA processing and degradation reactions, cells need adequate and efficient molecular machines. The RNA exosome is arising as a major facilitator to this effect. Structural and functional data gathered over the last decade have illustrated the biochemical importance of this multimeric complex and its many co-factors, revealing its enormous regulatory power. By gathering some of the most prominent researchers in the exosome field, it is the aim of this volume to introduce this fascinating protein complex as well as to give a timely and rich account of its many functions. The exosome was discovered more than a decade ago by Phil Mitchell and David Tollervey by its ability to trim the 3’end of yeast, S. cerevisiae, 5. 8S rRNA. In a historic account they laid out the events surrounding this identification and the subsequent birth of the research field. In the chapter by Kurt Januszyk and Christopher Lima the structural organization of eukaryotic exosomes and their evolutionary counterparts in bacteria and archaea are discussed in large part through presentation of structures. Full Product DetailsAuthor: Torben Heick JensenPublisher: Springer-Verlag New York Inc. Imprint: Springer-Verlag New York Inc. Edition: 2010 ed. Volume: 702 Dimensions: Width: 17.80cm , Height: 0.80cm , Length: 25.40cm Weight: 0.514kg ISBN: 9781441978400ISBN 10: 1441978402 Pages: 144 Publication Date: 10 December 2010 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: In Print  This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsFinding the Exosome.- Structural Components and Architectures of RNA Exosomes.- The Archaeal Exosome.- The Exosomes of Trypanosomes and Other Protists.- The Exosome and 3?–5? RNA Degradation in Plants.- Catalytic Properties of the Eukaryotic Exosome.- Functions of the Cytoplasmic Exosome.- Rrp6, Rrp47 and Cofactors of the Nuclear Exosome.- The Exosome and Heterochromatin.- Control of Cryptic Transcription in Eukaryotes.- The Human Exosome and Disease.ReviewsAuthor InformationTORBEN HEICK JENSEN is a Professor at the Department of Molecular Biology at Aarhus University, Denmark. He is directing the Centre for mRNP Biogenesis and Metabolism established by the Danish National Research Foundation and employing a total of ~30 RNA researchers at all levels. Main research interests include the coupling between transcription and RNA biogenesis, quality control of RNA and the occurrence and potential function of pervasive transcription of eukaryotic genomes. Tab Content 6Author Website:Countries AvailableAll regions |
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