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Molecular Genetic Analysis Of Natural Variation In Photoperiodic Flowering Of Arabidopsis Thaliana
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Book Synopsis Molecular Genetic Analysis of Natural Variation in Photoperiodic Flowering of Arabidopsis Thaliana by : Antonis Giakountis
Download or read book Molecular Genetic Analysis of Natural Variation in Photoperiodic Flowering of Arabidopsis Thaliana written by Antonis Giakountis and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Exploring Natural Variation in Flowering Time in Arabidopsis Thaliana by : Jonathan David Werner
Download or read book Exploring Natural Variation in Flowering Time in Arabidopsis Thaliana written by Jonathan David Werner and published by . This book was released on 2004 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Genetic and Molecular Analysis of Flowering Time in Arabidopsis Thaliana Using Natural Variation by : Salah El-Din Sayed Mohamed El-Assal
Download or read book A Genetic and Molecular Analysis of Flowering Time in Arabidopsis Thaliana Using Natural Variation written by Salah El-Din Sayed Mohamed El-Assal and published by . This book was released on 2002 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Decoding the Complexity of Natural Variation for Shoot Growth and Response to the Environment in Arabidopsis Thaliana by : Charlotte Trontin
Download or read book Decoding the Complexity of Natural Variation for Shoot Growth and Response to the Environment in Arabidopsis Thaliana written by Charlotte Trontin and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genotypes adapted to contrasting environments are expected to behave differently when placed in common controlled conditions, if their sensitivity to environmental cues or intrinsic growth behaviour are set to different thresholds, or are limited at distinct levels. This allows natural variation to be exploited as an unlimited source of new alleles or genes for the study of the genetic basis of quantitative trait variation. My doctoral work focuses on analysing natural variation for shoot growth and response to the environment in A. thaliana. Natural variation analyses aim at understanding how molecular genetic or epigenetic diversity controls phenotypic variation at different scales and times of plant development and under different environmental conditions, and how selection or demographic processes influence the frequency of those molecular variants in populations for them to get adapted to their local environment. As such, the analysis of A. thaliana natural variation can be addressed using a variety of approaches, from genetics and molecular methods to ecology and evolutionary questions. During my PhD, I got the chance to tackle several of those aspects through my contributions to three independent projects which have in common to exploit A. thaliana natural variation. The first one is the analysis of the pattern of polymorphism from a set of 102 A. thaliana accessions at the MOT1 gene coding for a molybdate transporter (an essential micronutrient) and responsible for contrasted growth and fitness among accessions in response to Mo availability in the soil. I showed at different geographical scales that MOT1 pattern of polymorphisms is not consistent with neutral evolution and shows signs of diversifying selection. This work helped reinforce the hypothesis that in some populations, mutations in MOT1 have been selected to face soils rich in Mo and potentially deleterious despite their negative effect on Mo-limiting soils. The second project consists in the characterisation and functional analysis of two putative receptor-like kinases (RLKs) identified from their effect on shoot growth specifically under mannitol-supplemented media and not in response to other osmotic constraints. The function of such RLKs in A. thaliana, which is not known to synthesize mannitol was intriguing at first but, through different experiments, we built the hypothesis that those RLKs could be activated by the mannitol produced by some pathogens such as fungi and participate to plant defensive response. The third project, in collaboration with Michel Vincentz's team from CBMEG (Brasil) and Vincent Colot (IBENS, Paris), consists in the analysis of the occurrence of natural epigenetic variants of the QQS gene in different populations from Central Asia and their possible phenotypic and adaptive consequences. Overall, these analyses of the genetic and epigenetic molecular variation leading to the biomass phenotype(s) in interaction with the environment provide clues as to how and where in the pathways adaptation is shaping natural variation.
Book Synopsis The Molecular Genetic Basis of Natural Variation in Trichome Density in Arabidopsis Thaliana by : Rebecca Bloomer
Download or read book The Molecular Genetic Basis of Natural Variation in Trichome Density in Arabidopsis Thaliana written by Rebecca Bloomer and published by . This book was released on 2013 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Genetic and Molecular Basis of Natural Variation for Plant Growth and Related Traits in Arabidopsis Thaliana by : Bjorn Pieper
Download or read book The Genetic and Molecular Basis of Natural Variation for Plant Growth and Related Traits in Arabidopsis Thaliana written by Bjorn Pieper and published by . This book was released on 2009 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Natural Variation for Growth in Arabidopsis Thaliana by : Daniela-Loredana Vlad
Download or read book Natural Variation for Growth in Arabidopsis Thaliana written by Daniela-Loredana Vlad and published by . This book was released on 2009 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Not only do plants represent an essential food source, but they are also an important source of renewable materials and molecules. In this context, plant growth, and consequently yield, is an important parameter of tomorrow's agriculture and society in many ways. Also fundamental to our understanding of evolution, plant growth is an extremely complex process under the influence of many factors from virtually any aspects of plant biology. The genetic analysis of natural variation allows the discovery of allelic variants at previously known genes or new genes affecting quantitative traits. We aimed at identifying genes underlying natural variation for shoot growth using a quantitative genetics approach (QTL mapping). The analysis of shoot growth variation from a Bur-0 x Col-0 Recombinant Inbred Line (RIL) set, led to the identification of two loci, SG1 (Shoot Growth-1) mapped at the top of chromosome 5 and SG3 (Shoot Growth-3) results from allelic variation in the genomic region underlying a QTL predicted between 14 and 15 Mb on chromosome 4. SG3 was not visible in the RIL population due to an epistatic interaction with another locus SG3i (SG3-interactor), and because it was very likely counter-selected. Fine-mapping and complementation revealed the gene responsible for the phenotype, a stromal oxidoreductase affecting photosynthetic electron transfer rate, which was duplicated in Bur-0 but not in Col-0. We show that natural variation at the SG3 locus is explained by the divergent evolution of a (dispersed) single gene duplication causing the transposition of the functional copy of the gene in Bur (compared to Col). The presence of the Col allele at SG1 has severe phenotypic consequences. The candidate region for SG1 has been reduced to ~ 8 kb containing only one gene of unknown function and no major sequence polymorphism. On the other hand, the two alleles at SG1 show important DNA-methylation contrast. Even though we tend to think that SG1 is the effect of an epiallele, so far the genetic mechanism is not understood. The analysis of these QTLs revealed new genes affecting plant growth, and allows us to draw an always more complex picture of the architecture of quantitative traits.
Book Synopsis The Quinoa Genome by : Sandra M. Schmöckel
Download or read book The Quinoa Genome written by Sandra M. Schmöckel and published by Springer Nature. This book was released on 2021-02-04 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on quinoa, providing background information on its history, summarizing recent genetic and genomic advances, and offering directions for future research. Meeting the caloric and nutritional demands of our growing population will not only require increases in overall food production, but also the development of new crops that can be grown sustainably in agricultural environments that are increasingly susceptible to degradation. Quinoa is an ancient crop native to the Andean region of South America that has recently gained international attention because its seeds are high in protein, particularly in essential amino acids. Quinoa is also highly tolerant of abiotic stresses, including drought, frost and salinity. For these reasons, quinoa has the potential to help address issues of food security – a potential that was recognized when the United Nations declared 2013 the International Year of Quinoa. However, more effort is needed to improve quinoa agronomically and to understand the mechanisms of its abiotic stress tolerance; the recent development of genetic and genomic tools, including a reference genome sequence, will now help accelerate research in these areas.
Book Synopsis The Molecular Biology of Flowering by : Brian R. Jordan
Download or read book The Molecular Biology of Flowering written by Brian R. Jordan and published by Oxford University Press, USA. This book was released on 1993 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transition from vegetative to reproductive growth is one of the most important developmental changes in plants. Although the physiology of the process has been well documented, the molecular basis has only recently begun to be determined. This book reviews our current knowledge of the molecular biology and genetics of flowering, a subject that is rapidly being recognized for both its fundamental importance and its biotechnological exploitation. It will interest research workers and advanced students in plant genetics and plant molecular biology.
Book Synopsis Photoperiodism in Plants by : Brian Thomas
Download or read book Photoperiodism in Plants written by Brian Thomas and published by Elsevier. This book was released on 1996-10-17 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photoperiodism is the response to the length of the day that enables living organisms to adapt to seasonal changes in their environment as well as latitudinal variation. As such, it is one of the most significant andcomplex aspects of the interaction between plants and their environment and is a major factor controlling their growth and development. As the new and powerful technologies of molecular genetics are brought to bear on photoperiodism, it becomes particularly important to place new work in the context of the considerable amount of physiological information which already exists on the subject. This innovative book will be of interest to a wide range of plant scientists, from those interested in fundamental plant physiology and molecular biology to agronomists and crop physiologists. Provides a self-sufficient account of all the important subjects and key literature references for photoperiodism Includes research of the last twenty years since the publication of the First Edition Includes details of molecular genetic techniques brought to bear on photoperiodism
Author :James R. Ehleringer Publisher :Springer Science & Business Media ISBN 13 :9780387220697 Total Pages :560 pages Book Rating :4.2/5 (26 download)
Book Synopsis A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems by : James R. Ehleringer
Download or read book A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems written by James R. Ehleringer and published by Springer Science & Business Media. This book was released on 2005-01-27 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trees, CO2 concentration, climate change, herbivores, temperature.
Book Synopsis Annual Plant Reviews, Insect-Plant Interactions by : Claudia Voelckel
Download or read book Annual Plant Reviews, Insect-Plant Interactions written by Claudia Voelckel and published by John Wiley & Sons. This book was released on 2014-05-02 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: This latest volume in Wiley Blackwell’s prestigious Annual Plant Reviews brings together articles that describe the biochemical, genetic, and ecological aspects of plant interactions with insect herbivores.. The biochemistry section of this outstanding volume includes reviews highlighting significant findings in the area of plant signalling cascades, recognition of herbivore-associated molecular patterns, sequestration of plant defensive metabolites and perception of plant semiochemicals by insects. Chapters in the genetics section are focused on genetic mapping of herbivore resistance traits and the analysis of transcriptional responses in both plants and insects. The ecology section includes chapters that describe plant-insect interactions at a higher level, including multitrophic interactions, investigations of the cost-benefit paradigm and the altitudinal niche-breadth hypothesis, and a re-evaluation of co-evolution in the light of recent molecular research. Written by many of the world’s leading researchers in these subjects, and edited by Claudia Voelckel and Georg Jander, this volume is designed for students and researchers with some background in plant molecular biology or ecology, who would like to learn more about recent advances or obtain a more in-depth understanding of this field. This volume will also be of great use and interest to a wide range of plant scientists and entomologists and is an essential purchase for universities and research establishments where biological sciences are studied and taught. To view details of volumes in Annual Plant Reviews, visit: www.wiley.com/go/apr Also available from Wiley: Plant Defense Dale Walters 9781405175890 Herbicides and Plant Physiology, 2nd Edn Andrew Cobb & John Reade 9781405129350
Book Synopsis Vernalization and Flowering Time: Celebrating 20 Years of FLC by : Richard Amasino
Download or read book Vernalization and Flowering Time: Celebrating 20 Years of FLC written by Richard Amasino and published by Frontiers Media SA. This book was released on 2021-11-30 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles and Practices of Rice Production by : Surajit K. De Datta
Download or read book Principles and Practices of Rice Production written by Surajit K. De Datta and published by Int. Rice Res. Inst.. This book was released on 1981 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Flowering of Apomixis by : Yves Savidan
Download or read book The Flowering of Apomixis written by Yves Savidan and published by CIMMYT. This book was released on 2001 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-Throughput Phenotyping in Plants by : Jennifer Normanly
Download or read book High-Throughput Phenotyping in Plants written by Jennifer Normanly and published by Humana Press. This book was released on 2017-04-30 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetic approaches to understanding plant growth and development have always benefitted from screens that are simple, quantitative and rapid. Visual screens and morphometric analysis have yielded a plethora of interesting mutants and traits that have provided insight into complex regulatory pathways, and yet many genes within any given plant genome remain undefined. The premise underlying High Throughput Phenotyping in Plants: Methods and Protocols is that the higher the resolution of the phenotype analysis the more likely that new genes and complex interactions will be revealed. The methods described in this volume can be generally classified as quantitative profiling of cellular components, ranging from ions to small molecule metabolites and nuclear DNA, or image capture that ranges in resolution from chlorophyll fluorescence from leaves and time-lapse images of seedling shoots and roots to individual plants within a population at a field site. Written in the successful Methods in Molecular BiologyTM series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible protocols, and notes on troubleshooting and avoiding known pitfalls. Authoritative and easily accessible, High Throughput Phenotyping in Plants: Methods and Protocols serves as an invaluable guide to plant researchers and all scientists who wish to better understand plant growth and development.
Download or read book Seeds written by J. Derek Bewley and published by Springer Science & Business Media. This book was released on 2012-10-23 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated and much revised third edition of Seeds: Physiology of Development, Germination and Dormancy provides a thorough overview of seed biology and incorporates much of the progress that has been made during the past fifteen years. With an emphasis on placing information in the context of the seed, this new edition includes recent advances in the areas of molecular biology of development and germination, as well as fresh insights into dormancy, ecophysiology, desiccation tolerance, and longevity. Authored by preeminent authorities in the field, this book is an invaluable resource for researchers, teachers, and students interested in the diverse aspects of seed biology.
