Structural Analysis Of Plant Photosystem I
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Structural Analysis Of Plant Photosystem I
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Author : Alexey Amunts
language : en
Publisher: GRIN Verlag
Release Date : 2011-10-10
Structural Analysis Of Plant Photosystem I written by Alexey Amunts and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-10 with Nature categories.
Doctoral Thesis / Dissertation from the year 2010 in the subject Biology - Ecology, Tel Aviv University, language: English, abstract: Photosystem I (PSI) is a multi-subunit and intricate membrane super-complex of protein and non-protein components that catalyzes one of the first steps of oxygenic photosynthesis. PSI captures sunlight through a highly sophisticated pigment network and consequently converts the solar energy into its chemical form providing essential food and fuel to power life on the Earth. PSI operates with the unprecedented quantum efficiency of close to 100%. For this reason, it is regarded as the most efficient light capturing and energy conversion device in Nature. The ability of PSI to convert sunlight energy is highly dependent on the precise spatial arrangement of protein subunits and the relative positions of numerous cofactors. For this reason, we took the challenge of the crystallographic determination of plant PSI structure at a resolution that would allow estimation of single atoms and therefore enable positive identification of most of the amino acid and chlorophyll conformations. We solved the structure of the intact PSI at 3.3 Å resolution that revealed exquisitely organized 600 kDa complex of 18 protein subunits, with 46 transmembrane helices and total of 195 cofactors, comprising one of the most complicated membrane protein structures unraveled by the X-ray crystallography. The structure clarifies at almost atomic level how plant PSI links absorption of photons to production of chemical energy, according to the blueprints of protein-pigment network, and reveals working principles of photosynthetic antenna system. The three-dimensional description laid the foundation for further structural analysis that discusses how the biological significance of plant PSI is matched by its structural elements. For example, we analyzed the interactions of plant PSI with its electron donors and acceptors, highlighting the differences from its cyan
The Photosystems
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Author : J. Barber
language : en
Publisher: Elsevier
Release Date : 2015-12-04
The Photosystems written by J. Barber and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-04 with Science categories.
There is very little in this eleventh volume of Topics in Photosynthesis which could have been written when the first volume was published fifteen years ago. Advances over the last decade have been spectacular, most particularly in our understanding of the photosystems that is the subject of this volume. After a comparative introducution of bacterial and plant photosystems, the book begins with a consideration of what is theoretically possible in energy conversion. This is followed by light harvesting in photosystems II, followed by its molecular biology, protein engineering, thermoluminescence, photoinhibition, the effect of herbicides and heat shock, and, most important function of all and one about which so little is yet understood at the molecular level, the process by which it evolves oxygen. The last three chapters deal with the equivalent processes of photosystem I. The whole volume tells the story of a natural system of incredible ingenuity and complexity, but which as the chapters unfold, is seen to be within our grasp and eventual ability to comprehend.
Photosystem I
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Author : John H. Golbeck
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-20
Photosystem I written by John H. Golbeck and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-20 with Science categories.
This book summarizes recent advances made in the biophysics, biochemistry, and molecular biology of the enzyme known as Photosystem I, the light-induced plastocyanin: ferredoxin oxidoreductase. The volume provides a unique compilation of chapters that includes information highlighting controversial issues to indicate the frontiers of research and places special emphasis on methodology and practice for new researchers.
Membrane Protein Complexes Structure And Function
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Author : J. Robin Harris
language : en
Publisher: Springer
Release Date : 2018-02-20
Membrane Protein Complexes Structure And Function written by J. Robin Harris and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-20 with Science categories.
This edited book contains a compilation of 14 advanced academic chapters dealing with the structure and function of membrane protein complexes. This rapidly advancing important field of study closely parallels those on soluble protein complexes, and viral protein and nucleoprotein complexes. Diverse topics are included in this book, ranging from membrane–bound enzymes to ion channels, proton pumps and photosystems. Data from X-ray crystallography, cryo-electron microscopy and other biophysical and biochemical techniques are presented throughout the book. There is extensive use of colour figures of protein structures. Throughout the book structure and function are closely correlated. The two editors, Egbert Boekema and J. Robin Harris, have worked on aspects of membrane and soluble proteins throughout their scientific careers and also have much publishing experience. The Subcellular Biochemistry series has expanded considerably in recent years, including several related volumes. The theme of protein complexes will be continued within several future volumes, thereby creating encyclopaedic coverage. The chapter topics within this book are particularly relevant to those involved in the biological and biomedical sciences. It is aimed at the advanced undergraduates, postgraduates and established researchers within this broad field. It is hoped that the book will be of interest and use to those involved with the study of cellular membranes and their associated proteins.
Discoveries In Photosynthesis
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Author : Govindjee
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-07-15
Discoveries In Photosynthesis written by Govindjee and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-07-15 with Science categories.
"Life Is Bottled Sunshine" [Wynwood Reade, Martyrdom of Man, 1924]. This inspired phrase is a four-word summary of the significance of photosynthesis for life on earth. The study of photosynthesis has attracted the attention of a legion of biologists, biochemists, chemists and physicists for over 200 years. Discoveries in Photosynthesis presents a sweeping overview of the history of photosynthesis investigations, and detailed accounts of research progress in all aspects of the most complex bioenergetic process in living organisms. Conceived of as a way of summarizing the history of research advances in photosynthesis as of millennium 2000, the book evolved into a majestic and encyclopedic saga involving all of the basic sciences. The book contains 111 papers, authored by 132 scientists from 19 countries. It includes overviews; timelines; tributes; minireviews on excitation energy transfer, reaction centers, oxygen evolution, light-harvesting and pigment-protein complexes, electron transport and ATP synthesis, techniques and applications, biogenesis and membrane architecture, reductive and assimilatory processes, transport, regulation and adaptation, Genetics, and Evolution; laboratories and national perspectives; and retrospectives that end in a list of photosynthesis symposia, books and conferences. Informal and formal photographs of scientists make it a wonderful book to have. This book is meant not only for the researchers and graduate students, but also for advanced undergraduates in Plant Biology, Microbiology, Cell Biology, Biochemistry, Biophysics and History of Science.
Handbook Of Plant Science 2 Volume Set
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Author : Keith Roberts
language : en
Publisher: John Wiley & Sons
Release Date : 2007-12-10
Handbook Of Plant Science 2 Volume Set written by Keith Roberts and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-10 with Science categories.
Plant Science, like the biological sciences in general, has undergone seismic shifts in the last thirty or so years. Of course science is always changing and metamorphosing, but these shifts have meant that modern plant science has moved away from its previous more agricultural and botanical context, to become a core biological discipline in its own right. However the sheer amount of information that is accumulating about plant science, and the difficulty of grasping it all, understanding it and evaluating it intelligently, has never been harder for the new generation of plant scientists or, for that matter, established scientists. And that is precisely why this Handbook of Plant Science has been put together. Discover modern, molecular plant sciences as they link traditional disciplines! Derived from the acclaimed Encyclopedia of Life Sciences! Thorough reference of up-to-the minute, reliable, self-contained, peer-reviewed articles – cross-referenced throughout! Contains 255 articles and 48 full-colour pages, written by top scientists in each field! The Handbook of Plant Science is an authoritative source of up-to-date, practical information for all teachers, students and researchers working in the field of plant science, botany, plant biotechnology, agriculture and horticulture.
Oxygenic Photosynthesis The Light Reactions
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Author : Donald R. Ort
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-11
Oxygenic Photosynthesis The Light Reactions written by Donald R. Ort and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-11 with Science categories.
Structure and function of the components of the photosynthetic apparatus and the molecular biology of these components have become the dominant themes in advances in our understanding of the light reactions of oxygenic photosynthesis. Oxygenic Photosynthesis: The Light Reactions presents our current understanding of these reactions in thylakoid membranes. Topics covered include the photosystems, the cytochrome b6-f complex, plastocyanin, ferredoxin, FNR, light-harvesting complexes, and the coupling factor. Chapters are also devoted to the structure of thylakoid membranes, their lipid composition, and their biogenesis. Updates on the crystal structures of cytochrome f, ATP synthase and photosystem I are presented and a section on molecular biology and evolution of the photosynthetic apparatus is also included. The chapters in this book provide a comprehensive overview of photosynthetic reactions in eukaryotic thylakoids. The book is intended for a wide audience, including graduate students and researchers active in this field, as well as those individuals who have interests in plant biochemistry and molecular biology or plant physiology.
Stress Biology Of Cyanobacteria
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Author : Ashish Kumar Srivastava
language : en
Publisher: CRC Press
Release Date : 2013-03-01
Stress Biology Of Cyanobacteria written by Ashish Kumar Srivastava and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-01 with Science categories.
A significant component of many different ecosystems, cyanobacteria occupy almost every niche of the earth, including fresh and salt waters, rice fields, hot springs, arid deserts, and polar regions. Cyanobacteria, along with algae, produce nearly half the global oxygen, making assessment of their ecophysiologies important for understanding climate
Photosynthetic Protein Complexes
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Author : Petra Fromme
language : en
Publisher: John Wiley & Sons
Release Date : 2008-11-21
Photosynthetic Protein Complexes written by Petra Fromme and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-21 with Science categories.
Perfectly timed, this handbook covers many important aspects of the topic that have only recently been understood -- making this a truly comprehensive work. With its extensive use of color, it surveys the most important proteins involved in photosynthesis, discussing the structural information we have at our disposal. Most chapters are dedicated to one protein, while a few also summarize general associated concepts. The book also has an accompanying website that contains data files and animations to allow readers to visualize many of the complicated proteins presented. A must for anyone studying photosynthesis and structural biology, as well as those working in the plant and crop biotechnology industry.
Structure And Function Of Chloroplasts
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Author : Hongbo Gao
language : en
Publisher: Frontiers Media SA
Release Date : 2019-01-21
Structure And Function Of Chloroplasts written by Hongbo Gao and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-21 with categories.