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Structure Mechanism And Function Of Ribonucleases
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Book Synopsis Ribonucleases by : Giuseppe D'Alessio
Download or read book Ribonucleases written by Giuseppe D'Alessio and published by Academic Press. This book was released on 1997-02-11 with total page 699 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pancreatic ribonuclease, the focus of highly productive scientific research for more than half a century and the only enzyme to be the basis of four Nobel prizes, has recently undergone a resurgence in popularity for the recognition of an extended ribonuclease superfamily with functions ranging from tumour growth and inhibition to self-recognition and neurotoxicity. This volume highlights the functional diversity of ribonucleases and reveals the emerging research opportunities provided by these enzymes. * Never before has discussion of the entire family of ribonucleases and related enzymes been covered in a single volume* Core chapters focus on the latest structures and functions of pancreatic-type ribonucleases* Structures and functions of intracellular ribonucleases and nondigestive members of the family are also covered* How ribonucleases continue to serve as excellent systems with which to uncover the secrets of protein chemistry is demonstrated
Book Synopsis Ribonucleases by : Allen W. Nicholson
Download or read book Ribonucleases written by Allen W. Nicholson and published by Springer Science & Business Media. This book was released on 2011-10-06 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ribonucleases are a ubiquitous and functionally diverse group of enzymes that have a common ability to cleave RNA. Either through scission of internal phosphodiesters, or removal of nucleotides from RNA 5’ or 3’ ends, ribonucleases perform essential roles in gene expression and regulation, genome replication and maintenance, host defense, stress response, and viral strategies of infection. Ribonucleases have also served as highly informative models to understand virtually every aspect of biomolecular structure and function. The fifteen chapters in this volume are written by recognized researchers in the field, and provide in-depth analyses of the major ribonuclease families. Particular focus is given to the relation of ribonuclease structure and mechanism to biological function, as well as ribonuclease dysfunction in certain disease states. Other topics include the evolutionary genetics and functional diversification of ribonucleases, engineered ribonucleases as anti-cancer agents, the mechanisms of action of artificial ribonucleases, and ribonucleases as models to understand protein folding and stability. This volume should serve as an essential reference for a broad range of researchers and educators with interests in RNA metabolism, enzymology, and gene regulation.
Book Synopsis Structure, Mechanism and Function of Ribonucleases by : Claudi M. Cuchillo
Download or read book Structure, Mechanism and Function of Ribonucleases written by Claudi M. Cuchillo and published by . This book was released on 1991 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ribonucleases, Part A: Functional Roles and Mechanisms of Action by :
Download or read book Ribonucleases, Part A: Functional Roles and Mechanisms of Action written by and published by Elsevier. This book was released on 2001-09-26 with total page 771 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first of two volumes provides up-to-date, methods-related information on ribonuclease functions, assays, and applications. Chapter topics include the identification of, characterization of, and assays for secreted ribonucleases; viral ribonucleases, artificial and engineered ribonucleases, and ribozymes. The critically acclaimed laboratory standard for more than forty years, Methods in Enzymology is one of the most highly respected publications in the field of biochemistry. Since 1955, each volume has been eagerly awaited, frequently consulted, and praised by researchers and reviewers alike. Now with more than 300 volumes (all of them still in print), the series contains much material still relevant today--truly an essential publication for researchers in all fields of life sciences.
Book Synopsis Artificial Nucleases by : Marina A. Zenkova
Download or read book Artificial Nucleases written by Marina A. Zenkova and published by Springer Science & Business Media. This book was released on 2004-01-07 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of agents capable of cleaving RNA and DNA has attracted considerable attention from researchers in the last few years, because of the immediate and very important applications they can find in the emerging fields of biotechnology and pharmacology. There are essentially two classes of these agents - nucleases that occur naturally inside cells and synthetically produced artificial nucleases. The first class includes protein enzyme nucle ases and catalytic RNA structured ribozymes that perform cleavage of the phosphodiester bonds in nucleic acids according to a hydrolytic pathway in the course of different biochemical processes in the cell. A different pathway is used by some antibiotics which cleave DNA via redox-based mechanisms resulting in oxidative damage of nucleotide units and breakage of the DNA backbone. The above molecules are indispensable tools for manipulating nucleic acids and processing RNA; DNA-cleaving antibiotics and cytotoxic ribonucleases have demonstrated utility as chemotherapeutic agents. The second class, artificial nucleases, are rationally designed to imitate the active centers of natural enzymes by simple structures possessing minimal sets of the most important characteristics that are essential for catalysis. A dif ferent approach, in vitro selection, was also used to create artificial RNA and DNA enzymes capable of cleaving RNA. Being less efficient and specific as compared to the natural enzymes, the primitive mimics are smaller and robust and can function in a broad range of conditions.
Book Synopsis RNA Metabolism and Gene Expression in Archaea by : Béatrice Clouet-d'Orval
Download or read book RNA Metabolism and Gene Expression in Archaea written by Béatrice Clouet-d'Orval and published by Springer. This book was released on 2017-10-28 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the regulation of transcription and translation in Archaea and arising insights into the evolution of RNA processing pathways. From synthesis to degradation and the implications of gene expression, it presents the current state of knowledge on archaeal RNA biology in 13 chapters. Topics covered include the modification and maturation of RNAs, the function of small non-coding RNAs and the CRISPR-Cas defense system. While Archaea have long been considered exotic microbial extremophiles, they are now increasingly being recognized as important model microorganisms for the study of molecular mechanisms conserved across the three domains of life, and with regard to the relevance of similarities and differences to eukaryotes and bacteria. This unique book offers a valuable resource for all readers interested in the regulation of gene expression in Archaea and RNA metabolism in general.
Book Synopsis RNA Damage and Repair by : Ioly Kotta-Loizou
Download or read book RNA Damage and Repair written by Ioly Kotta-Loizou and published by Springer Nature. This book was released on 2021-07-04 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ribonucleic acid (RNA) is a macromolecule that plays a central role in cell physiology: RNA molecules act as intermediates between the deoxyribonucleic acid (DNA), where genetic information is stored, and proteins, which perform the necessary functions within the cell. Traditionally, the structural and functional properties of RNA are closely linked to gene expression. However, RNA-based enzymes, called ribozymes, are also involved in catalysis and small RNAs regulate key cellular processes, such as cell growth, division, differentiation, aging and death. RNA is a sensitive macromolecule that can be easily damaged by environmental conditions (ultraviolet radiation, oxidative stress) and biological factors (ribonucleases, ribotoxins, CRISPR-Cas systems). Therefore, cells have developed mechanisms to protect and/or repair RNA molecules. This book presents an overview of the biology of RNA damage, protection and repair in prokaryotes and eukaryotes. Individual chapters cover the expression regulation, enzymology and physiological role of such systems, and link them to important human diseases such as cancer and degenerative diseases.
Book Synopsis RNA Exosome by : Torben Heick Jensen
Download or read book RNA Exosome written by Torben Heick Jensen and published by Springer Science & Business Media. This book was released on 2011-06-29 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 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.
Book Synopsis Nuclease Methods and Protocols by : Catherine H. Schein
Download or read book Nuclease Methods and Protocols written by Catherine H. Schein and published by Springer Science & Business Media. This book was released on 2008-02-03 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nucleases, enzymes that restructure or degrade nucleic acid polymers, are vital to the control of every area of metabolism. They range from “housekeeping” enzymes with broad substrate ranges to extremely specific tools (1). Many types of nucleases are used in lab protocols, and their commercial and clinical uses are expanding. The purpose of Nuclease Methods and Protocols is to introduce the reader to some we- characterized protein nucleases, and the methods used to determine their activity, structure, interaction with other molecules, and physiological role. Each chapter begins with a mini-review on a specific nuclease or a nuclease-related theme. Although many chapters cover several topics, they were arbitrarily divided into five parts: Part I, “Characterizing Nuclease Activity,” includes protocols and assays to determine general (processive, distributive) or specific mechanisms. Methods to assay nuclease products, identify cloned nucleases, and determine their physiological role are also included here. Part II, “Inhibitors and Activators of Nucleases,” summarizes assays for measuring the effects of other proteins and small molecules. Many of these inhibitors have clinical relevance. Part III, “Relating Nuclease Structure and Function,” provides an overview of methods to determine or model the 3-D structure of nucleases and their complexes with substrates and inhibitors. A 3-D structure can greatly aid the rational design of nucleases and inhibitors for specific purposes. Part IV, “Nucleases in the Clinic,” summarizes assays and protocols suitable for use with t- sues and for nuclease based therapeutics.
Book Synopsis Ribonucleases, Part B: Artificial and Engineered Ribonucleases and Speicifc Applications by :
Download or read book Ribonucleases, Part B: Artificial and Engineered Ribonucleases and Speicifc Applications written by and published by Elsevier. This book was released on 2001-09-28 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second volume on ribonucleases provides up-to-date, methods-related information on these enzymes. Of particular interest to researchers will be the discussion of artificial and engineered ribonucleases, as well as the application of ribonucleases in medicine and biotechnology.The critically acclaimed laboratory standard for more than forty years, Methods in Enzymology is one of the most highly respected publications in the field of biochemistry. Since 1955, each volume has been eagerly awaited, frequently consulted, and praised by researchers and reviewers alike. Now with more than 300 volumes (all of them still in print), the series contains much material still relevant today--truly an essential publication for researchers in all fields of life sciences.
Download or read book Ribozymes written by Sabine Müller and published by John Wiley & Sons. This book was released on 2021-07-09 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ribozymes Provides comprehensive coverage of a core field in the molecular biosciences, bringing together decades of knowledge from the world’s top professionals in the field Timely and unique in its breadth of content, this all-encompassing and authoritative reference on ribozymes documents the great diversity of nucleic acid-based catalysis. It integrates the knowledge gained over the past 35 years in the field and features contributions from virtually every leading expert on the subject. Ribozymes is organized into six major parts. It starts by describing general principles and strategies of nucleic acid catalysis. It then introduces naturally occurring ribozymes and includes the search for new catalytic motifs or novel genomic locations of known motifs. Next, it covers the development and design of engineered ribozymes, before moving on to DNAzymes as a close relative of ribozymes. The next part examines the use of ribozymes for medicinal and environmental diagnostics, as well as for therapeutic tools. It finishes with a look at the tools and methods in ribozyme research, including the techniques and assays for structural and functional characterization of nucleic acid catalysts. The first reference to tie together all aspects of the multi-faceted field of ribozymes Features more than 30 comprehensive chapters in two volumes Covers the chemical principles of RNA catalysis; naturally occurring ribozymes, engineered ribozymes; DNAzymes; ribozymes as tools in diagnostics and therapy, and tools and methods to study ribozymes Includes first-hand accounts of concepts, techniques, and applications by a team of top international experts from leading academic institutions Dedicates half of its content to methods and practical applications, ranging from bioanalytical tools to medical diagnostics to therapeutics Ribozymes is an unmatched resource for all biochemists, biotechnologists, molecular biologists, and bioengineers interested in the topic.
Book Synopsis 2nd International Meeting on Structure, Mechanism and Function of Ribonucleases by :
Download or read book 2nd International Meeting on Structure, Mechanism and Function of Ribonucleases written by and published by . This book was released on 1990* with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Exocrine Pancreas by : Stephen Pandol
Download or read book The Exocrine Pancreas written by Stephen Pandol and published by Morgan & Claypool Publishers. This book was released on 2011 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: The secretions of the exocrine pancreas provide for digestion of a meal into components that are then available for processing and absorption by the intestinal epithelium. Without the exocrine pancreas, malabsorption and malnutrition result. This chapter describes the cellular participants responsible for the secretion of digestive enzymes and fluid that in combination provide a pancreatic secretion that accomplishes the digestive functions of the gland. Key cellular participants, the acinar cell and the duct cell, are responsible for digestive enzyme and fluid secretion, respectively, of the exocrine pancreas. This chapter describes the neurohumoral pathways that mediate the pancreatic response to a meal as well as details of the cellular mechanisms that are necessary for the organ responses, including protein synthesis and transport and ion transports, and the regulation of these responses by intracellular signaling systems. Examples of pancreatic diseases resulting from dysfunction in cellular mechanisms provide emphasis of the importance of the normal physiologic mechanisms.
Book Synopsis Handbook of RNA Biochemistry by : Roland K. Hartmann
Download or read book Handbook of RNA Biochemistry written by Roland K. Hartmann and published by John Wiley & Sons. This book was released on 2015-06-22 with total page 1370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of a highly acclaimed handbook and ready reference. Unmatched in its breadth and quality, around 100 specialists from all over the world share their up-to-date expertise and experiences, including hundreds of protocols, complete with explanations, and hitherto unpublished troubleshooting hints. They cover all modern techniques for the handling, analysis and modification of RNAs and their complexes with proteins. Throughout, they bear the practising bench scientist in mind, providing quick and reliable access to a plethora of solutions for practical questions of RNA research, ranging from simple to highly complex. This broad scope allows the treatment of specialized methods side by side with basic biochemical techniques, making the book a real treasure trove for every researcher experimenting with RNA.
Download or read book Fuzziness written by Monika Fuxreiter and published by Springer Science & Business Media. This book was released on 2012-03-07 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detailed characterization of fuzzy interactions will be of central importance for understanding the diverse biological functions of intrinsically disordered proteins in complex eukaryotic signaling networks. In this volume, Peter Tompa and Monika Fuxreiter have assembled a series of papers that address the issue of fuzziness in molecular interactions. These papers provide a broad overview of the phenomenon of fuzziness and provide compelling examples of the central role played by fuzzy interactions in regulation of cellular signaling processes and in viral infectivity. These contributions summarize the current state of knowledge in this new field and will undoubtedly stimulate future research that will further advance our understanding of fuzziness and its role in biomolecular interactions.
Download or read book Ribonuclease P written by Fenyong Liu and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Discovery of Ribonuclease P and Enzymatic Activity of Its RNA Subunit Sydney Brenner and Francis H. C. Crick had a specific project in mind when they offered Sidney Altman a position in their group in 1969 to conduct postdoctoral research at the Medical Research Council Laboratory of Molecular Biology (LMB) in Cambridge, England. At the time, an intense international competition was on- ing in as many as a dozen labs to determine the three-dimensional structure of tRNA. At the LMB, Aaron Klug was attacking the structure by crystallographic analysis with Brian F. C. Clark providing large amounts of purified phenylalanine tRNA. (Eventually, Aaron announced his empirically determined 3-D structure of yeast phenylalanine tRNA, a structure that is generally common to tRNAs, due in part to several conserved, novel three-way nucleotide interactions. ) Concurrently, Michael Levitt, a Ph. D. student of Francis, was visually scrutinizing the cloverleaf secondary structure of the 14 tRNA sequences known at the time. Levitt was searching for nucleotide covariation in different parts of the molecules that were conserved in the 14 sequences known at the time. He identified a possible covariation of an apparent Watson-Crick pairing type between the residues at position 15 from the 5’ end of the tRNA and residue 48. This association implied these parts of the tRNA, namely the D loop containing residue 15 and the 5’ end of the T stem-adjoining residue 48, folded on one another in a tertiary structure shared by different tRNAs.
Book Synopsis Ribozymes and RNA Catalysis by : David Malcolm James Lilley
Download or read book Ribozymes and RNA Catalysis written by David Malcolm James Lilley and published by Royal Society of Chemistry. This book was released on 2008 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Takes the reader through the origins of catalysis in RNA and necessarily includes significant discussion of structure and folding. The main focus of the book concerns chemical mechanism with extensive comment on how, despite the importance of RNA catalysis in the cell, its origins are still poorly understood and often controversial. The reader is given an outline of the important role of RNA catalysis in many aspects of cell function, including RNA processing and translation.
