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High Resolution Single Molecule Measurements Of Transcription And Rna Folding
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Book Synopsis High-resolution, Single-molecule Measurements of Transcription and RNA Folding by : William James Greenleaf
Download or read book High-resolution, Single-molecule Measurements of Transcription and RNA Folding written by William James Greenleaf and published by . This book was released on 2007 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bacterial Chromatin by : Remus T. Dame
Download or read book Bacterial Chromatin written by Remus T. Dame and published by Springer Nature. This book was released on with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biophysics of RNA Folding by : Rick Russell
Download or read book Biophysics of RNA Folding written by Rick Russell and published by Springer Science & Business Media. This book was released on 2012-12-09 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume, written by experts in the field, discusses the current understanding of the biophysical principles that govern RNA folding, with featured RNAs including the ribosomal RNAs, viral RNAs, and self-splicing introns. In addition to the fundamental features of RNA folding, the central experimental and computational approaches in the field are presented with an emphasis on their individual strengths and limitations, and how they can be combined to be more powerful than any method alone; these approaches include NMR, single molecule fluorescence, site-directed spin labeling, structure mapping, comparative sequence analysis, graph theory, course-grained 3D modeling, and more. This volume will be of interest to professional researchers and advanced students entering the field of RNA folding.
Book Synopsis Visualising RNA Folding Dynamics in Crowded Environments and with Single-molecule Resolution by : Bishnu Paudel
Download or read book Visualising RNA Folding Dynamics in Crowded Environments and with Single-molecule Resolution written by Bishnu Paudel and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single-molecule Measurements of Transcript Elongation and Termination by RNA Polymerase by : Matthew Herbert Larson
Download or read book Single-molecule Measurements of Transcript Elongation and Termination by RNA Polymerase written by Matthew Herbert Larson and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Transcription by RNAP is highly regulated in both prokaryotic and eukaryotic cells, and the ability of the cell to differentiate and respond to its environment is largely due to this regulation. During elongation, for example, RNAP is known to momentarily halt in response to certain cellular signals, and this pause state has been implicated in the regulation of gene expression in both prokaryotic and eukaryotic organisms. In addition, once RNAP reaches the end of a gene, it must reliably terminate and release the newly-transcribed RNA, providing another potential point of regulation within different cell types. Both of these steps are crucial to ensure proper gene expression. In this dissertation, I focus on transcription elongation by both prokaryotic and eukaryotic RNA polymerases, as well as their regulation through pausing and termination. To probe the role of RNA hairpins in transcriptional pausing, a novel single-molecule "RNA-pulling" assay was used to block the formation of secondary structure in the nascent transcript. Force along the RNA did not significantly affect transcription elongation rates, pause frequencies, or pause lifetimes, indicating that short "ubiquitous" pauses are not a consequence of RNA hairpins. Force-based single-molecule techniques were also used to study the mechanism and energetics of transcription termination in bacteria. The data suggest two separate mechanisms for termination: one that involves hypertranslocation of RNAP along the DNA, and one that involves shearing of the RNA:DNA hybrid within the enzyme. In addition, a quantitative energetic model is presented that successfully predicts the termination efficiency of both wild-type and mutant terminators. Finally, the implementation of a novel optical-trapping assay capable of directly observing transcription by eukaryotic RNA polymerase II (RNAPII) molecules is described. This approach was used to probe the RNAPII nucleotide-addition cycle, as well as the role of the trigger loop (a conserved subdomain) in elongation. The results are consistent with a Brownian ratchet model of elongation which incorporates a secondary NTP binding site, and the trigger loop was found to modulate translocation, NTP binding, and catalysis, as well as substrate selection and mismatch recognition by RNAPII.
Book Synopsis An Introduction to Single Molecule Biophysics by : Yuri L. Lyubchenko
Download or read book An Introduction to Single Molecule Biophysics written by Yuri L. Lyubchenko and published by CRC Press. This book was released on 2017-11-22 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an accessible, detailed overview on techniques of single molecule biophysics (SMB), showing how they are applied to numerous biological problems associated with understanding the molecular mechanisms of DNA replication, transcription, and translation, as well as functioning of molecular machines. It covers major single molecule imaging and probing techniques, highlighting key strengths and limitations of each method using recent examples. The chapters begin with a discussion of single molecule fluorescence techniques followed by an overview of the atomic force microscope and its use for direct time-lapse visualization of dynamics of molecular complexes at the nanoscale, as well as applications in measurements of interactions between molecules and mechanical properties of isolated molecules and their complexes. The next chapters address magnetic tweezers and optical tweezers, including instrumentation, fundamentals of operation, and applications. A final chapter turns to nanopore transport and nanopore-based DNA sequencing technology that will play a major role in next-generation genomics and healthcare applications.
Book Synopsis RNA Structure and Folding by : Dagmar Klostermeier
Download or read book RNA Structure and Folding written by Dagmar Klostermeier and published by Walter de Gruyter. This book was released on 2013-10-14 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: While structure-function relationships of proteins have been studied for a long time, structural studies of RNA face additional challenges. Nevertheless, with the continuous discovery of novel RNA molecules with key cellular functions and of novel pathways and interaction networks, the need for structural information of RNA is still increasing. This volume provides an introduction into techniques to assess structure and folding of RNA. Each chapter explains the theoretical background of one technique, and illustrates possibilities and limitations in selected application examples.
Book Synopsis Protein and RNA Folding: from Bulk Towards High Throughput Single Molecule Experiments by : Krishnarjun Sarkar
Download or read book Protein and RNA Folding: from Bulk Towards High Throughput Single Molecule Experiments written by Krishnarjun Sarkar and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single Molecule RNA Folding Studied with Optical Trapping by : Jeffrey Robert Vieregg
Download or read book Single Molecule RNA Folding Studied with Optical Trapping written by Jeffrey Robert Vieregg and published by . This book was released on 2007 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single-Molecule Enzymology: Fluorescence-Based and High-Throughput Methods by :
Download or read book Single-Molecule Enzymology: Fluorescence-Based and High-Throughput Methods written by and published by Academic Press. This book was released on 2016-10-28 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Single-Molecule Enzymology, Part A, the latest volume in the Methods in Enzymology series, continues the legacy of this premier serial with quality chapters authored by leaders in the field. This volume covers research methods in single-molecule enzymology, and includes sections on such topics as force-based and hybrid approaches, fluorescence, high-throughput sm enzymology, nanopores, and tethered particle motion. Continues the legacy of this premier serial with quality chapters authored by leaders in the field Covers research methods in single-molecule enzymology Contains sections on such topics as force-based and hybrid approaches, fluorescence, high-throughput sm enzymology, nanopores, and tethered particle motion
Download or read book Imaging Life written by Gary C. Howard and published by Oxford University Press, USA. This book was released on 2014 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview to the many types of modern biological image analysis.
Book Synopsis High Resolution Optical Tweezers for Single Molecule Studies of Hierarchical Folding in the PbuE Riboswitch Aptamer by : Daniel Foster
Download or read book High Resolution Optical Tweezers for Single Molecule Studies of Hierarchical Folding in the PbuE Riboswitch Aptamer written by Daniel Foster and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book RNA Chaperones written by Tilman Heise and published by . This book was released on 2020 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a wide spectrum of methods to study RNA chaperones in vitro, at the single molecule level, and protocols useful for cell-based assays. Beginning with a section on a number of bacterial proteins for study, the volume also explores proteins from eukaryotic cells and how to delve into the complex interactions between RNA chaperones and the folding and unfolding of proteins. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, RNA Chaperones: Methods and Protocols serves as an ideal guide for scientists and students interested in RNA biology and RNA chaperones. Chapter 3 is available Open Access under a CC-BY 4.0 license via link.springer.com.
Book Synopsis Protein Conformational Dynamics by : Ke-li Han
Download or read book Protein Conformational Dynamics written by Ke-li Han and published by Springer Science & Business Media. This book was released on 2014-01-20 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses how biological molecules exert their function and regulate biological processes, with a clear focus on how conformational dynamics of proteins are critical in this respect. In the last decade, the advancements in computational biology, nuclear magnetic resonance including paramagnetic relaxation enhancement, and fluorescence-based ensemble/single-molecule techniques have shown that biological molecules (proteins, DNAs and RNAs) fluctuate under equilibrium conditions. The conformational and energetic spaces that these fluctuations explore likely contain active conformations that are critical for their function. More interestingly, these fluctuations can respond actively to external cues, which introduces layers of tight regulation on the biological processes that they dictate. A growing number of studies have suggested that conformational dynamics of proteins govern their role in regulating biological functions, examples of this regulation can be found in signal transduction, molecular recognition, apoptosis, protein / ion / other molecules translocation and gene expression. On the experimental side, the technical advances have offered deep insights into the conformational motions of a number of proteins. These studies greatly enrich our knowledge of the interplay between structure and function. On the theoretical side, novel approaches and detailed computational simulations have provided powerful tools in the study of enzyme catalysis, protein / drug design, protein / ion / other molecule translocation and protein folding/aggregation, to name but a few. This work contains detailed information, not only on the conformational motions of biological systems, but also on the potential governing forces of conformational dynamics (transient interactions, chemical and physical origins, thermodynamic properties). New developments in computational simulations will greatly enhance our understanding of how these molecules function in various biological events.
Book Synopsis Integrating Timescales from Molecules Up by : Rene A. Nome
Download or read book Integrating Timescales from Molecules Up written by Rene A. Nome and published by Frontiers Media SA. This book was released on 2021-06-04 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single-molecule Fluorescence Studies of RNA Folding and Protein-nucleic Acid Assembly by : Gregory Edward Bokinsky
Download or read book Single-molecule Fluorescence Studies of RNA Folding and Protein-nucleic Acid Assembly written by Gregory Edward Bokinsky and published by . This book was released on 2007 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our studies of RNA folding examined the minimal hairpin ribozyme, a system that exhibits a simple two-state behavior. By monitoring the folding and unfolding rates of several mutants and with metal ion titrations, we have developed a coarse-grained picture of an elementary RNA folding transition state. We found that the transition state structure is very compact and stabilized by electrostatic interactions, though native tertiary contacts are either lacking entirely or only partially formed.
Download or read book RNA Detection written by Imre Gaspar and published by Humana Press. This book was released on 2017-11-15 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume introduces different concepts and methods of detecting RNA in biological material in a variety of model systems. The chapters in this book discuss methods that will answer numerous biological questions that arise in the study of RNAs. Some of the topics covered in this book are single mRNA molecule detection in embryos and neurons; detection of mRNA and associated molecules by ISH-IEM on frozen sections; optimizing molecular beacons for intracellular analysis of RNA; imaging translation dynamics of single mRNA molecules in live cells; preparation of high-throughput sequencing libraries; and capturing RNA binding proteins in embryos and in cell-culture. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and comprehensive, RNA Detection: Methods and Protocols is a valuable resource for novel and experiences scientist in the expanding field of RNAs.
