Polyploidy
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Polyploidy
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Author : Walter H. Lewis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Polyploidy written by Walter H. Lewis 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 2012-12-06 with Medical categories.
Polyploidy as a dramatic mutational event in the process of evolution has wide implications in nature and for the generation of new and improved crops. The three day Conference on POLYPLOIDY: BIOLOGICAL RELEVANCE focused on three aspects of this natural phenomenon: the first emphasized the characteristics of polyploidy, the second described the occurrence of polyploidy among plants and animals, and the third considered past and future areas of both fundamental and pragmatic research that involve polyploidy. New information relative to origin, cytogenetics, ecology, physiology, biochemistry, and populational studies stress the need to reexamine current views on the origins of polyploidy and its significance among both plants and animals. There are major differences in the occurrence of polyploidy between. plant groups and it is proving a much more common event among bisexual vertebrates than heretofore considered possible. Crop development and improvement must utilize approaches based fundamentally on more natural systems; in fact future research should focus more on polyploidy as a natural phenomenon that needs study at all levels of endeavor from field-oriented populational aspects to sophisticated molecular analyses and genome manipulations. This volume provides a summary of current knowledge of polyploidy pertinent to botanists, zoologists, and agriculturists who are interested in the evolution o~natural systems and who are concerned with the contribution that crop improvement can make to human well-being. Walter H. Lewis St. Louis, Missouri October, 1979 v ACKNOWLEDGMENTS The Host Committee thanks all speakers and moderators for their generous contribution to the Conference and to this volume.
Polyploid And Hybrid Genomics
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Author : Z. Jeffrey Chen
language : en
Publisher: John Wiley & Sons
Release Date : 2013-04-05
Polyploid And Hybrid Genomics written by Z. Jeffrey Chen 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 2013-04-05 with Science categories.
Polyploidy plays an important role in biological diversity, trait improvement, and plant species survival. Understanding the evolutionary phenomenon of polyploidy is a key challenge for plant and crop scientists. This book is made up of contributions from leading researchers in the field from around the world, providing a truly global review of the subject. Providing broad-ranging coverage, and up-to-date information from some of the world’s leading researchers, this book is an invaluable resource for geneticists, plant and crop scientists, and evolutionary biologists.
Polyploidy
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Author : R. C. Jackson
language : en
Publisher:
Release Date : 1983
Polyploidy written by R. C. Jackson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Science categories.
Parthenogenesis And Polyploidy In Mammalian Development
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Author :
language : en
Publisher: CUP Archive
Release Date : 1957
Parthenogenesis And Polyploidy In Mammalian Development written by and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with categories.
Polyploidy Recent Trends And Future Perspectives
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Author : Tanvir-Ul-Hassan Dar
language : en
Publisher: Springer
Release Date : 2017-10-31
Polyploidy Recent Trends And Future Perspectives written by Tanvir-Ul-Hassan Dar and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-31 with Science categories.
This is the first book to present consolidated, up-to-date information regarding recent trends and future perspectives of polyploidy – a phenomenon that has played a pivotal role in the evolution of domesticated plants and a research area that has been given new impetus thanks to advances in plant biology techniques integrated with bioinformatics tools. The book emphasizes the tremendous potential of polyploidy in plant breeding to improve existing crops and develop new ones to cater for the needs of an ever-increasing human population. It is divided into 8 chapters, each including an introduction and references, and complemented with plentiful illustrations, figures and tables. The chapters cover all facets of polyploidy, from its origin, occurrence, recent polyploidization, formation pathways, artificial induction, criteria for detection, and its significance in the contexts of genomic changes and the changing environment, as well as future perspectives. The book discusses at length the aspects of polyploidy that need to be understood for a thorough comprehension of this biologically important subject. It also highlights the recent techniques involved in polyploidy research. Further, it provides a detailed account, with suitable examples, of the different genetic and epigenetic changes that occur in polyploids to help their survival. A timely publication, it serves as an excellent single-source textbook. It is a valuable resource for students, research scholars and teachers of biological sciences in particular, and to plant breeders, cytologists, geneticists, and molecular biologists in general.
Polyploidy And Genome Evolution
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Author : Pamela S. Soltis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-10-03
Polyploidy And Genome Evolution written by Pamela S. Soltis 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 2012-10-03 with Science categories.
Polyploidy – whole-genome duplication (WGD) – is a fundamental driver of biodiversity with significant consequences for genome structure, organization, and evolution. Once considered a speciation process common only in plants, polyploidy is now recognized to have played a major role in the structure, gene content, and evolution of most eukaryotic genomes. In fact, the diversity of eukaryotes seems closely tied to multiple WGDs. Polyploidy generates new genomic interactions – initially resulting in “genomic and transcriptomic shock” – that must be resolved in a new polyploid lineage. This process essentially acts as a “reset” button, resulting in genomic changes that may ultimately promote adaptive speciation. This book brings together for the first time the conceptual and theoretical underpinnings of polyploid genome evolution with syntheses of the patterns and processes of genome evolution in diverse polyploid groups. Because polyploidy is most common and best studied in plants, the book emphasizes plant models, but recent studies of vertebrates and fungi are providing fresh perspectives on factors that allow polyploid speciation and shape polyploid genomes. The emerging paradigm is that polyploidy – through alterations in genome structure and gene regulation – generates genetic and phenotypic novelty that manifests itself at the chromosomal, physiological, and organismal levels, with long-term ecological and evolutionary consequences.
Artificial Polyploidy In Plants
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Author : Jen-Tsung Chen
language : en
Publisher: Frontiers Media SA
Release Date : 2021-01-21
Artificial Polyploidy In Plants written by Jen-Tsung Chen 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 2021-01-21 with Science categories.
Polyploidy
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Author : Yves Van de Peer
language : en
Publisher: Humana
Release Date : 2022-10-18
Polyploidy written by Yves Van de Peer and has been published by Humana this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-18 with Science categories.
This volume provides protocols on evidence for polyploidy and how it can be unveiled. Chapters guide readers through evolutionary experiments, measure effects of polyploidy, evidence for (remnants of) ancient WGDs, models of chromosome number evolution, population genomics approaches to study polyploidy, analysing genetic data from polyploid populations, Phylogenetic and phylogenomic methods, gene expression, gene regulation, unicellular alga (Chlamydomonas), and a fast-growing duckweed (Spirodela). Written in the format of the highly successful Methods in Molecular Biology series, each chapter includes an introduction to the topic, lists necessary materials and reagents, includes tips on troubleshooting and known pitfalls, and step-by-step, readily reproducible protocols. Authoritative and cutting-edge, Polyploidy: Method and Protocols aims to be of interest to experimental and computational (evolutionary) biologists, molecular biologists, and biotechnologists.
Polyploidy And Hybridization For Crop Improvement
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Author : Annaliese S. Mason
language : en
Publisher: CRC Press
Release Date : 2017-11-22
Polyploidy And Hybridization For Crop Improvement written by Annaliese S. Mason and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-22 with Science categories.
Many of our current agricultural crops are natural or agricultural hybrids (between two or more species), or polyploids (containing more than one genome or set of chromosomes). These include potato, oats, cotton, oilseed rape, wheat, strawberries, kiwifruit, banana, seedless watermelon, triticale and many others. Polyploidy and hybridization can also be used for crop improvement: for example, to introgress disease resistance from wild species into crops, to produce seedless fruits for human consumption, or even to create entirely new crop types. Some crop genera have hundreds of years of interspecific hybridization and ploidy manipulation behind them, while in other genera use of these evolutionary processes for crop improvement is still at the theoretical stage. This book brings together stories and examples by expert researchers and breeders working in diverse crop genera, and details how polyploidy and hybridization processes have shaped our current crops, how these processes have been utilized for crop improvement in the past, and how polyploidy and interspecific hybridization can be used for crop improvement in the future.
Polyploid Population Genetics And Evolution From Theory To Practice
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Author : Hans D. Daetwyler
language : en
Publisher: Frontiers Media SA
Release Date : 2020-01-28
Polyploid Population Genetics And Evolution From Theory To Practice written by Hans D. Daetwyler 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 2020-01-28 with categories.