Visible Variation
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Epigenetic Modifications Associated With Abiotic And Biotic Stresses In Plants An Implication For Understanding Plant Evolution
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Author : Mahmoud W. Yaish
language : en
Publisher: Frontiers Media SA
Release Date : 2018-01-16
Epigenetic Modifications Associated With Abiotic And Biotic Stresses In Plants An Implication For Understanding Plant Evolution written by Mahmoud W. Yaish 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 2018-01-16 with categories.
Alterations in gene expression are essential during growth and development phases and when plants are exposed to environmental challenges. Stress conditions induce gene expression modifications, which are associated with changes in the biochemical and physiological processes that help plants to avoid or reduce potential damage resulting from these stresses. After exposure to stress, surviving plants tend to flower earlier than normal and therefore transfer the accumulated epigenetic information to their progenies, given that seeds, where this information is stored, are formed at a later stage of plant development. DNA methylation is correlated with expression repression. Likewise, miRNA produced in the cell can reduce the transcript abundance or even prevent translation of mRNA. However, histone modulation, such as histone acetylation, methylation, and ubiquitination, can show distinct effects on gene expression. These alterations can be inherited, especially if the plants are consistently exposed to a particular environmental stress. Retrotransposons and retroviruses are foreign movable DNA elements that play an important role in plant evolution. Recent studies have shown that epigenetic alterations control the movement and the expression of genes harbored within these elements. These epigenetic modifications have an impact on the morphology, and biotic and abiotic tolerance in the subsequent generations because they can be inherited through the transgenerational memory in plants. Therefore, epigenetic modifications, including DNA methylation, histone modifications, and small RNA interference, serve not only to alter gene expression but also may enhance the evolutionary process in eukaryotes. In this E-book, original research and review articles that cover issues related to the role of DNA methylation, histone modifications, and small RNA in plant transgenerational epigenetic memory were published. The knowledge published on this topic may add new insight on the involvement of epigenetic factors in natural selection and environmental adaptation. This information may also help to generate a modeling system to study the epigenetic role in evolution.
Dhm2020
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Author : L. Hanson
language : en
Publisher: IOS Press
Release Date : 2020-09-11
Dhm2020 written by L. Hanson and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-11 with Computers categories.
Digital human modeling (DHM) is an active field of research directed towards the goal of creating detailed digital models of the human body and its functions, as well as assessment methods for evaluating human interaction with products and production systems. These have many applications in ergonomics, design and engineering, in fields as diverse as the automotive industry and medicine. This book presents the proceedings of the 6th International Digital Human Modeling Symposium (DHM2020), held in Skövde, Sweden from 31 August to 2 September 2020. The conference was also accessible online for those unable to attend in person because of restrictions due to the Covid-19 pandemic. The symposium provides an international forum for researchers, developers and users to report their latest innovations, summarize new developments and experiences within the field, and exchange ideas, results and visions in all areas of DHM research and applications. The book contains the 43 papers accepted for presentation at the conference, and is divided into 6 sections which broadly reflect the topics covered: anthropometry; behavior and biomechanical modeling; human motion data collection and modeling; human-product interaction modeling; industry and user perspectives; and production planning and ergonomics evaluation. Providing a state-of-the-art overview of research and developments in digital human modeling, the book will be of interest to all those who are active in the field.
Lexical Variation And Change
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Author : Dirk Geeraerts
language : en
Publisher: Oxford University Press
Release Date : 2023-10-23
Lexical Variation And Change written by Dirk Geeraerts and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-23 with Language Arts & Disciplines categories.
This is an open access title available under the terms of a CC BY-NC-ND 4.0 International licence. It is free to read at Oxford Academic and offered as a free PDF download from OUP and selected open access locations. This book introduces a systematic framework for understanding and investigating lexical variation, using a distributional semantics approach. Distributional semantics embodies the idea that the context in which a word occurs reveals the meaning of that word. In contemporary corpus linguistics, that idea takes shape in various types of quantitative analysis of the corpus contexts in which words appear. In this book, the authors explore how count-based token-level semantic vector spaces, as an advanced form of such a quantitative methodology, can be applied to the study of polysemy, lexical variation, and lectometry. What can distributional models reveal about meaning? How can they be used to analyse the semantic relationship between near-synonyms, and to identify strict synonymy? How can they contribute to the study of lexical variation as a sociolinguistic variable, and to the use of those variables to measure convergence or divergence between language varieties? To answer these questions, the book presents a comprehensive model of lexical and semantic variation, based on the combination of a semasiological, an onomasiological, and a lectal dimension. It explains the mechanism of distributional modelling, both informally and technically, and introduces workflows and corpus linguistic tools that implement a distributional perspective in lexical research. Combining a cognitive linguistic interest in meaning with a sociolinguistic interest in variation, the authors illustrate this distributional methodology using case studies of Dutch and Spanish lexical data that focus on the detection of polysemy, the interaction of semasiological and onomasiological change, and sociolinguistic issues of lexical standardization and pluricentricity. Throughout, they highlight both the advantages and disadvantages of a distributional methodology: on the one hand, it has great potential to be scaled up for lexical research; on the other, its outcome does not necessarily neatly correspond with what would traditionally be considered different senses.
Negation And Polarity Experimental Perspectives
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Author : Pierre Larrivée
language : en
Publisher: Springer
Release Date : 2015-07-28
Negation And Polarity Experimental Perspectives written by Pierre Larrivée and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-28 with Language Arts & Disciplines categories.
This volume offers insights on experimental and empirical research in theoretical linguistic issues of negation and polarity, focusing on how negation is marked and how negative polarity is emphatic and how it interacts with double negation. Metalinguistic negation and neg-raising are also explored in the volume. Leading specialists in the field present novel ideas by employing various experimental methods in felicity judgments, eye tracking, self-paced readings, prosody and ERP. Particular attention is given to extensive crosslinguistc data from French, Catalan and Korean along with analyses using semantic and pragmatic methods, corpus linguistics, diachronic perspectives and longitudinal acquisitional studies as well as signed and gestural negation. Each contribution is situated with regards to major previous studies, thereby offering readers insights on the current state of the art in research on negation and negative polarity, highlighting how theory and data together contributes to the understanding of cognition and mind.
My Revision Notes Ocr As Biology Epub
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Author : Frank Sochacki
language : en
Publisher: Hachette UK
Release Date : 2013-01-04
My Revision Notes Ocr As Biology Epub written by Frank Sochacki and has been published by Hachette UK this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-04 with Science categories.
Get the best grades with My Revision Notes: OCR AS Biology. Manage your own revision with step-by-step support from experienced teacher and examiner Frank Sochacki Use specific examples and advice to improve your knowledge of biological processes and applications Get the top marks by applying biological terms accurately with the help of definitions and key words Improve your exam skills with self-testing and exam-style questions and answers My Revision Notes will help you prepare for the big day: Plan and pace your revision with My Revision Planner Use the concise notes to revise the essential information Use the examiner's tips and summaries to clarify key points Avoid making typical mistakes with expert advice Test yourself with end-of-topic questions and answers and tick off each topic as you complete it Practise your exam skills on exam questions then check your answers online Get exam-ready with last-minute quick quizzes at www.therevisionbutton.co.uk/myrevisionnotes
Religion History And Place In The Origin Of Settled Life
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Author : Ian Hodder
language : en
Publisher: University Press of Colorado
Release Date : 2018-07-02
Religion History And Place In The Origin Of Settled Life written by Ian Hodder and has been published by University Press of Colorado this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-02 with Social Science categories.
This volume explores the role of religion and ritual in the origin of settled life in the Middle East, focusing on the repetitive construction of houses or cult buildings in the same place. Prominent archaeologists, anthropologists, and scholars of religion working at several of the region’s most important sites—such as Çatalhöyük, Göbekli Tepe, Körtik Tepe, and Aşıklı Höyük—contend that religious factors significantly affected the timing and stability of settled economic structures. Contributors argue that the long-term social relationships characteristic of delayed-return agricultural systems must be based on historical ties to place and to ancestors. They define different forms of history-making, including nondiscursive routinized practices as well as commemorative memorialization. They consider the timing in the Neolithic of an emerging concern with history-making in place in relation to the adoption of farming and settled life in regional sequences. They explore whether such correlations indicate the causal processes in which history-making, ritual practices, agricultural intensification, population increase, and social competition all played a role. Religion, History, and Place in the Origin of Settled Life takes a major step forward in understanding the adoption of farming and a settled way of life in the Middle East by foregrounding the roles of history-making and religious ritual. This work is relevant to students and scholars of Near Eastern archaeology, as well as those interested in the origins of agriculture and social complexity or the social role of religion in the past. Contributors: Kurt W. Alt, Mark R. Anspach, Marion Benz, Lee Clare, Anna Belfer-Cohen, Morris Cohen, Oliver Dietrich, Güneş Duru, Yilmaz S. Erdal, Nigel Goring-Morris, Ian Hodder, Rosemary A. Joyce, Nicola Lercari, Wendy Matthews, Jens Notroff, Vecihi Özkaya, Feridun S. Şahin, F. Leron Shults, Devrim Sönmez, Christina Tsoraki, Wesley Wildman
The Journal Of The Royal Institution Of Great Britain
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Author : Royal Institution of Great Britain
language : en
Publisher:
Release Date : 1831
The Journal Of The Royal Institution Of Great Britain written by Royal Institution of Great Britain and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1831 with Science categories.
Principles Of Plant Genetics And Breeding
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Author : George Acquaah
language : en
Publisher: John Wiley & Sons
Release Date : 2020-09-28
Principles Of Plant Genetics And Breeding written by George Acquaah 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 2020-09-28 with Science categories.
The revised edition of the bestselling textbook, covering both classical and molecular plant breeding Principles of Plant Genetics and Breeding integrates theory and practice to provide an insightful examination of the fundamental principles and advanced techniques of modern plant breeding. Combining both classical and molecular tools, this comprehensive textbook describes the multidisciplinary strategies used to produce new varieties of crops and plants, particularly in response to the increasing demands to of growing populations. Illustrated chapters cover a wide range of topics, including plant reproductive systems, germplasm for breeding, molecular breeding, the common objectives of plant breeders, marketing and societal issues, and more. Now in its third edition, this essential textbook contains extensively revised content that reflects recent advances and current practices. Substantial updates have been made to its molecular genetics and breeding sections, including discussions of new breeding techniques such as zinc finger nuclease, oligonucleotide directed mutagenesis, RNA-dependent DNA methylation, reverse breeding, genome editing, and others. A new table enables efficient comparison of an expanded list of molecular markers, including Allozyme, RFLPs, RAPD, SSR, ISSR, DAMD, AFLP, SNPs and ESTs. Also, new and updated “Industry Highlights” sections provide examples of the practical application of plant breeding methods to real-world problems. This new edition: Organizes topics to reflect the stages of an actual breeding project Incorporates the most recent technologies in the field, such as CRSPR genome edition and grafting on GM stock Includes numerous illustrations and end-of-chapter self-assessment questions, key references, suggested readings, and links to relevant websites Features a companion website containing additional artwork and instructor resources Principles of Plant Genetics and Breeding offers researchers and professionals an invaluable resource and remains the ideal textbook for advanced undergraduates and graduates in plant science, particularly those studying plant breeding, biotechnology, and genetics.
Laser Induced Damage In Optical Materials
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Author :
language : en
Publisher:
Release Date : 1972
Laser Induced Damage In Optical Materials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Laser beams categories.
Validation And Assessment Issues On Energy Models
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Author : Saul I. Gass
language : en
Publisher:
Release Date : 1980
Validation And Assessment Issues On Energy Models written by Saul I. Gass and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Energy policy categories.