Flagellar Motors and Force Sensing in Bacteria

Flagellar Motors and Force Sensing in Bacteria PDF Author: Matt Arthur Baker
Publisher: Frontiers Media SA
ISBN: 2889745880
Category : Science
Languages : en
Pages : 122

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Flagellar Motors and Force Sensing in Bacteria

Flagellar Motors and Force Sensing in Bacteria PDF Author: Matt Arthur Baker
Publisher: Frontiers Media SA
ISBN: 2889745880
Category : Science
Languages : en
Pages : 122

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Book Description


The Bacterial Flagellum

The Bacterial Flagellum PDF Author: Tohru Minamino
Publisher: Humana
ISBN: 9781493983414
Category : Science
Languages : en
Pages : 326

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Book Description
This volume examines the structure and dynamics of the bacterial flagellum using bacterial genetics, molecular biology, biochemistry, structural biology, biophysics, cell biology, and molecular dynamics simulation. The chapters are divided into 4 parts: Part I describes flagellar type III protein exports, assembly, and gene regulation in S. enterica; Part II explains how to isolate the flagella from the bacterial cell bodies, and further explains how to conduct high-resolution structural and functional analyses of the flagellar motor; Part III talks about how to measure flagellar motor rotation over a wide range of external load, how to measure ion motive force across the cytoplasmic membrane, and how to measure dynamic properties of the flagellar motor proteins by fluorescence microscopy with single molecule precision; and Part IV explores the structure and function of Spirochetal, Vibrio, Shewanella, and Magnetococcus flagellar motors. 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, The Bacterial Flagellum: Methods and Protocols aims to provide valuable and vital research to aid in the investigation of the bacterial flagellum resulting from various bacterial species.

Bacterial Energetics

Bacterial Energetics PDF Author: Terry Krulwich
Publisher: Elsevier
ISBN: 0323145302
Category : Nature
Languages : en
Pages : 582

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Book Description
Bacterial Energetics deals with bacterial energetics and the molecular basis of how ions move between and within energy-transducing molecules. Topics covered range from respiration-driven proton pumps and primary sodium pumps to light-driven primary ionic pumps, bacterial transport ATPases, and bacterial photosynthesis. Sodium-coupled cotransport and ion-exchange systems in prokaryotes are also considered. This volume is comprised of 17 chapters and begins with an analysis of the pumps and processes that establish electrochemical ion gradients across bacterial membranes, followed by a discussion on the major types of bioenergetic work that utilize these gradients. The energetics of periplasmic transport systems, chemolithotrophs, methanogens, and protein insertion and translocation into or across membranes are also examined, along with bioenergetics in extreme environments such as high-pressure and high-temperature environments; energetic problems of bacterial fermentations; energetics of bacterial motility; and energetics of the bacterial phosphotransferase system in sugar transport and the regulation of carbon metabolism. This book should be of interest to molecular biologists and biochemists.

Perspectives on Bacterial Flagellar Motor

Perspectives on Bacterial Flagellar Motor PDF Author: Tohru Minamino
Publisher:
ISBN: 9783036513386
Category :
Languages : en
Pages : 356

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Book Description
The bacterial flagellum is a supramolecular motility machinery consisting of the basal body acting as a rotary motor, the hook as a universal joint and the filament as a helical propeller. The bacterial flagellar motor composed of a rotor ring and a dozen stators is powered by an electrochemical-potential difference of specific ions across the cytoplasmic membrane and rotates in either the counterclockwise (CCW) or clockwise (CW) direction. A sensory signal transduction pathway regulates the switching between the CCW and CW states of the motor in response to environmental stimuli, allowing bacterial cells to migrate more desirable environments for their survival. The core structure of the bacterial flagellum is conserved among bacterial species. However, recent structural analyses of intact flagellar structures derived from various bacterial species by electron cryotomography and subtomogram averaging have shown that novel and divergent structures surround the core structure, suggesting that the flagellar motors have adapted to function in various environments of the habitat of bacteria. This Special Issue of Biomolecules covers recent advances in our understanding of and perspectives on the flagellar motor derived from different bacterial species.

Comprehensive Biophysics

Comprehensive Biophysics PDF Author:
Publisher: Academic Press
ISBN: 0080957188
Category : Science
Languages : en
Pages : 3533

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Book Description
Biophysics is a rapidly-evolving interdisciplinary science that applies theories and methods of the physical sciences to questions of biology. Biophysics encompasses many disciplines, including physics, chemistry, mathematics, biology, biochemistry, medicine, pharmacology, physiology, and neuroscience, and it is essential that scientists working in these varied fields are able to understand each other's research. Comprehensive Biophysics, Nine Volume Set will help bridge that communication gap. Written by a team of researchers at the forefront of their respective fields, under the guidance of Chief Editor Edward Egelman, Comprehensive Biophysics, Nine Volume Set provides definitive introductions to a broad array of topics, uniting different areas of biophysics research - from the physical techniques for studying macromolecular structure to protein folding, muscle and molecular motors, cell biophysics, bioenergetics and more. The result is this comprehensive scientific resource - a valuable tool both for helping researchers come to grips quickly with material from related biophysics fields outside their areas of expertise, and for reinforcing their existing knowledge. Biophysical research today encompasses many areas of biology. These studies do not necessarily share a unique identifying factor. This work unites the different areas of research and allows users, regardless of their background, to navigate through the most essential concepts with ease, saving them time and vastly improving their understanding The field of biophysics counts several journals that are directly and indirectly concerned with the field. There is no reference work that encompasses the entire field and unites the different areas of research through deep foundational reviews. Comprehensive Biophysics fills this vacuum, being a definitive work on biophysics. It will help users apply context to the diverse journal literature offering, and aid them in identifying areas for further research Chief Editor Edward Egelman (E-I-C, Biophysical Journal) has assembled an impressive, world-class team of Volume Editors and Contributing Authors. Each chapter has been painstakingly reviewed and checked for consistent high quality. The result is an authoritative overview which ties the literature together and provides the user with a reliable background information and citation resource

Physical Microbiology

Physical Microbiology PDF Author: Guillaume Duménil
Publisher: Springer Nature
ISBN: 3030468860
Category : Medical
Languages : en
Pages : 141

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Book Description
This book emerges from the idea that specific physics-inspired approaches are necessary to understand different stage of bacterial physiology and the infections they cause. Many aspects of bacterial life depend on processes typically described by physical laws: The rheology of biofilms is determined by complex cohesive forces. Physical laws of diffusion are essential to all processes of bacterial metabolism. The formation of the numerous bacterial biomacromolecules require complex self-organization processes and their function are powered by potent molecular motors. Host-pathogen interactions during infection frequently occur in environments determined by fluid mechanics. In this book, different chapters represent research at the interface between microbiology and physics. Topics range from intracellular organization to cell-cell interactions. A good part of the book is devoted to mechanical forces, which are involved in the function of elaborate bacterial nanomachines, chromosome segregation, and cell division. The effect of bacterial toxins provides an example of the alteration of cellular membrane properties by bacteria. Symmetrically, histones from mammalian cells alter bacterial membranes as a defense mechanism during infection. The editors of this book, Guillaume Duménil and Sven van Teeffelen, have selected researchers at the forefront of research in physical microbiology to provide the most recent view in this fast-moving field. The contents of this book are designed to be accessible for scientists with training in biology and for scientists with training in physics. The objective is to provide a fresh perspective on microbiology and infection by highlighting recent multidisciplinary research and favor rapid advances at this fruitful interface.

Cell Biology by the Numbers

Cell Biology by the Numbers PDF Author: Ron Milo
Publisher: Garland Science
ISBN: 1317230698
Category : Science
Languages : en
Pages : 400

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Book Description
A Top 25 CHOICE 2016 Title, and recipient of the CHOICE Outstanding Academic Title (OAT) Award. How much energy is released in ATP hydrolysis? How many mRNAs are in a cell? How genetically similar are two random people? What is faster, transcription or translation?Cell Biology by the Numbers explores these questions and dozens of others provid

Biological Rotary Nanomotors

Biological Rotary Nanomotors PDF Author: Michael Manson
Publisher: Frontiers Media SA
ISBN: 2832505554
Category : Science
Languages : en
Pages : 239

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Bacterial Signaling

Bacterial Signaling PDF Author: Reinhard Krämer
Publisher: John Wiley & Sons
ISBN: 3527629246
Category : Science
Languages : en
Pages : 513

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Book Description
Providing a comprehensive insight into cellular signaling processes in bacteria with a special focus on biotechnological implications, this is the first book to cover intercellular as well as intracellular signaling and its relevance for biofilm formation, host pathogen interactions, symbiotic relationships, and photo- and chemotaxis. In addition, it deals in detail with principal bacterial signaling mechanisms -- making this a valuable resource for all advanced students in microbiology. Dr. Krämer is a world-renowned expert in intracellular signaling and its implications for biotechnology processes, while Dr. Jung is an expert on intercellular signaling and its relevance for biomedicine and agriculture.

Molecular Mechanisms for Sensory Signals

Molecular Mechanisms for Sensory Signals PDF Author: Edward M. Kosower
Publisher: Princeton University Press
ISBN: 1400887089
Category : Science
Languages : en
Pages : 457

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Book Description
Pursuing the questions of how we learn and how memory is made, Edward Kosower introduces a novel and rich approach to connecting molecular properties with the biological properties that enable us to write and read, to create culture and ethics, and to think. Here he examines what happens within a single cell in reaction to external stimuli, and shows the parallels between single cell and multicellular responses. To address the problem of "learning," Kosower explains the molecular mechanisms of responses to input from taste, olfactory, and visual receptors. He then shows how these and other processes serve as the basis for memory. This study covers such signals for the molecular process of learning as pheromones (the molecular signals mediating behavior), light (activates the G-protein receptor, rhodopsin), and acetylcholine (opens the nicotinic acetylcholine receptor). Kosower's discussion of the structure and function of these complex molecules has direct implications for such areas as molecular neurobiology, bioorganic chemistry, and drug design, in elucidating approaches to the structure of drug targets. Originally published in 1991. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.