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Author: Masamitsu Futai
Publisher: John Wiley & Sons
ISBN: 3527606289
Category : Science
Languages : en
Pages : 493
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Book Description
ATP-dependent active ion transport enables cells to regulate their pH value and to control their ion composition. The reverse process, transforming an ion imbalance into chemical energy, drives mitochondrial and chloroplast ATP synthesis. The mediators of these fundamental processes are ion-motive ATPases, highly conserved enzymes that play key roles in cell physiology from bacteria to man. As the first comprehensive overview of this important class of enzymes, this handbook summarizes recent knowledge about the molecular mechanism of ATPases, relating this information to the physiology and pathopyhsiology of ion transport, mitochondrial function, vesicle transport and lysosomal acidification. All important P-type, F-type and V-type ATPases are treated systematically, complemented by a special section on the cell biology and physiology of acidic compartments, and backed by an extensive bibliography and index. This premier reference source for physiologists, molecular biologists, biophysicists and clinical researchers contains contributions by the world's foremost ATPase research groups.
Author: Masamitsu Futai
Publisher: John Wiley & Sons
ISBN: 3527606289
Category : Science
Languages : en
Pages : 493
Get Book Here
Book Description
ATP-dependent active ion transport enables cells to regulate their pH value and to control their ion composition. The reverse process, transforming an ion imbalance into chemical energy, drives mitochondrial and chloroplast ATP synthesis. The mediators of these fundamental processes are ion-motive ATPases, highly conserved enzymes that play key roles in cell physiology from bacteria to man. As the first comprehensive overview of this important class of enzymes, this handbook summarizes recent knowledge about the molecular mechanism of ATPases, relating this information to the physiology and pathopyhsiology of ion transport, mitochondrial function, vesicle transport and lysosomal acidification. All important P-type, F-type and V-type ATPases are treated systematically, complemented by a special section on the cell biology and physiology of acidic compartments, and backed by an extensive bibliography and index. This premier reference source for physiologists, molecular biologists, biophysicists and clinical researchers contains contributions by the world's foremost ATPase research groups.
Author: A.G. Lee
Publisher: Elsevier
ISBN: 0080527701
Category : Science
Languages : en
Pages : 441
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Book Description
Volume 5 of Biomembranes covers an important group of membrane proteins, the ATPases. The P-type ATPases couple the hydrolysis of ATP to the movement of ions across a membrane and are characterized by the formation of a phosphoyrlated intermediate. Included are the plasma membrane and muscle sarcoplasmic reticulum Ca2+ -ATPases, the (Na+ -K+) -ATPase, the gastric (H+ -K+) -ATPase, the plasma membrane H+ -ATPase of fungi and plants, the Mg2+ - transport ATPase, the Salmonella typhimurium, and the K+ -ATPase of Escherichia coli, KdpB. The other important classes of ATPase in eukaryotic systems are the vacuolar H+ -ATPases and the F0F1 ATP synthase, and, in bacteria, the anion-translocating ATPases, responsible for resistance to arsenicals and antimonials, and the (Na+ -Mg2+) -ATPase of Acholeplasma. Finally, eukaryotic systems contain a variety of ectonucleotidases important, for example, in hydrolysis of extracellular ATP released as a cotransmitter from cholinergic and adrenergic nerve terminals. Volume 5 of Biomembranes explores structure-function relationships for these mebrane-bound ATPases.
Author: Antonio Scarpa
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 540
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Book Description
The large body of recent knowledge that has allowed the recent discovery of new ATPases and the partial clarification of structural and functional aspects of the already known ATPases are the subjects of this volume. A dozen ION-MOTIVE ATPases are discussed in terms of structure, site modification, catalysis, expression, hormonal and metabolic regulation and pharmacologic intervention.
Author: Liselotte Plesner
Publisher: Springer Science & Business Media
ISBN: 1461559553
Category : Science
Languages : en
Pages : 286
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Book Description
Proceedings of the First International Workshop held in Mar de Plata, Argentina, August 26-30, 1996
Author: Suguru Nakamura
Publisher: CRC Press
ISBN: 9814411914
Category : Medical
Languages : en
Pages : 505
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Book Description
This handbook on vacuolar and plasma membrane H+-ATPases is the first to focus on an essential link between vacuolar H+-ATPase and the glycolysis metabolic pathway to understand the mechanism of diabetes and the metabolism of cancer cells. It presents recent findings on the structure and function of vacuolar H+-ATPase in glucose promoting assembly and signaling. It also describes the regulatory mechanisms of vacuolar H+-ATPase in yeast cells, neural stem cells, kidney cells, cancer cells, and under diabetic conditions.
Author: Sigrid A. Langhans
Publisher: Frontiers Media SA
ISBN: 2889457117
Category :
Languages : en
Pages : 265
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Book Description
Author: Yuji Tonomura
Publisher: Cambridge University Press
ISBN: 9780521304795
Category : Medical
Languages : en
Pages : 318
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Book Description
Professor Tonomura's book explains at the molecular level how cells use energy harnessed as adenosine triphosphate to perform the fundamental physiological functions such as muscle contraction and the active transport of cations. A well-written, interesting account of the structure and kinetics of energy-transducing ATPases.
Author: Nathan Nelson
Publisher: Springer Science & Business Media
ISBN: 3662222655
Category : Science
Languages : en
Pages : 237
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Book Description
THE WORLD OF PROTON PUMPS Nathan Nelson uite frequently an observer looks at a life phenomenon and asks ~himself why nature took this route out of several other available mec anisms. In order to understand this challenge he may first try to reconstruct the evolution of the process taking into account the main driving forces that were assumed to exist during the last 3. 5 billion years on earth. Now we know that the electrochemical gradient of protons is the universal high-energy intermediate produced and uti lized by every living cell in nature. This high energy intermediate is an expression of different concentrations of active protons in the two faces of biological membranes. Why then did nature elect to utilize a pre dominantly electrochemical gradient of protons and no other ion? The answer to this question may lie in the environment in which the first living creatures evolved. Some of them may have been challenged by an acidic environment that lowered their internal pH (by a proton leak through their membranes) to lethal levels. To counteract these inci dents proton pumps evolved. Two independent systems were devel oped. One was a proton pump coupled to energetically downhill vectorial electron transport across membranes and the second was an ATP-dependent proton pump. Both of them pump protons outward from the cells generating an electrochemical gradient of protons.
Author: Sajal Chakraborti
Publisher: Springer
ISBN: 3319247808
Category : Science
Languages : en
Pages : 582
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Book Description
The biological membranes of cellular organization enfold an important group of membrane proteins called the ATPases, which are not only versatile in maintaining chemical gradient and electrical potential across the membrane but also bring metabolites necessary for cell metabolism and drive out toxins, waste products and solutes that otherwise can curb cell functions. ATPases are distributed virtually in all live forms starting from unicellular to multicellular and also in viruses. There are different types of ATPases, which differ in function and structure and in the type of ions they transport. The three main types of the ion pump ATPase family are: (i) P-type ATPases that transport different ions across membranes and Ca2+ATPases belongs to this catagory (ii) F-type ATPase in mitochondria, chloroplasts and bacterial plasma membranes produce ATP using the proton gradient; and (iii) V-type ATPase catalyzes ATP hydrolysis to transport solutes and maintains acidic pH in organelles like lysosomes. Genetic defects in either of the ATPases cause several diseases and a number of researches have demonstrated the involvement of the members of ATPases in the cell pathology and diseases, thereby penetrating exciting new areas of our understanding. In this book, the authors summarize recent knowledge about the molecular mechanisms associated with Ca2+-ATPase, V-ATPase and F-ATPase in intracellular and extracellular Ca2+ transport, mitochondrial ATP synthase, vesicular H+ transport, and lysosomal pH regulation. This book thereby bridges the gap between fundamental research and biomedical and pharmaceutical applications. The book provides an informative resource to improve ATPase research and modern therapeutic approaches toward different life threatening diseases that are associated with dysregulation of the ATPases.
Author: Joan S. Valentine
Publisher: Academic Press
ISBN: 0080544061
Category : Science
Languages : en
Pages : 493
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Book Description
A wide range of researchers are currently investigating different properties and applications for copper-containing proteins. Biochemists researching metal metabolism in organisms ranging from bacteria to plants to animals are working in a completely different area of discovery than scientists studying the transportation and regulation of minerals and small molecule nutrients. They are both working with copper-containing proteins, but in very different ways and with differing anticipated outcomes.
