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Temporal And Spatial Regulation Of Plant Genes
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Book Synopsis Temporal and Spatial Regulation of Plant Genes by : Desh Pal S Verma
Download or read book Temporal and Spatial Regulation of Plant Genes written by Desh Pal S Verma and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: First attempts to isolate plant genes were for those genes that are abun dantly expressed in a particular plant organ at a specific stage of devel opment. However, many important gene products are produced in a very minute quantity and in specialized cell types. Such genes can now be isolated using a variety of approaches, some of which are described in this volume. The rapid progress during the last decade in regeneration of a number of crop plants and the availability of molecular tools to introduce foreign genes in plants is allowing the engineering of specific traits of agri cultural importance. These genes must, however, be regulated in a spatial and temporal manner in order to have desired effects on plant devel opment and productivity. The habitat of plants necessitate adaptive responses with respect to the environmental changes. Starting from germination of the seed, the plant begins to sense environmental cues such as moisture, light, temperature and the presence of pathogens, and begins to respond to them. Little is known about various signal transduction pathways that lead to biochemical and morphogenetic responses, in particular, transition from vegetative to reproductive phase. With the availability of tools to generate specific mutations via transposon tagging, identification and isolation of genes affecting these processes may be facilitated. Transfer of these genes into heterologous environments will allow understanding of the complex processes that control plant development.
Book Synopsis The Spatial and Temporal Regulation of the Transcriptome During Plant Development by : Ying Li
Download or read book The Spatial and Temporal Regulation of the Transcriptome During Plant Development written by Ying Li and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The dicotyledon seedling undergoes organ-specific photomorphogenic development when exposed to light. The cotyledons open and expand, the apical hook opens and the hypocotyl ceases to elongate. Using the large and easily dissected seedlings of soybean (Glycine max cv. Williams 82), we show that genes involved in photosynthesis and its regulation dominate transcripts specific to the cotyledon, even in etiolated seedlings. Genes for cell wall biosynthesis and metabolism are expressed at higher levels in the hypocotyl, while examination of genes expressed at higher levels in the hook region reveals genes involved in cell division and protein turnover. The early transcriptional events in these three organs in response to a one-hour treatment of far-red light are highly distinctive. Not only are different regulatory genes rapidly regulated by light in each organ, but the early-responsive genes in each organ contain a distinctive subset of known light-responsive cis-regulatory elements. We detected specific light induced gene expression for the root phototropism gene RPT2 in the apical hook, and also phenotypes in Arabidopsis rpt2 mutants demonstrating that the gene is necessary for normal photomorphogenesis in the seedling apex. Significantly, expression of the RPT2promoter fused to a GUS reporter gene shows differential expression across the hook region. We also detect higher expression of AGO1 in the apical hook, a key player in small RNA regulatory pathway, and show that Arabidopsis ago1 mutants display an impaired photomorphogenesis in the seedling apex. Using next-gen sequencing, we show that many miRNAs are responsive to a one-hour treatment of far-red light. Most interestingly, we find that miR166 is specifically induced by one-hour far-red light in the convex side of apical hook. Overall, we conclude that organ-specific, light-responsive transcriptional networks are active early in photomorphogenesis in the aerial parts of dicotyledon seedlings. Another topic addressed in this thesis is heterosis. Heterosis, also known as hybrid vigor, refers to the phenomenon wherein a F1 hybrid produced from crossing two cultivars of the same species or two different species displays superior phenotypes compared to the inbred parents. Despite its practical applications and scientific importance, the molecular mechanism underlying heterosis is not completely understood. In recent decades, knowledge of the regulatory roles of small RNAs has greatly improved our understanding of many basic biological questions. We therefore applied a global small RNA profiling-by-sequencing approach to characterize the inheritance of small RNA expression patterns in Arabidopsis reciprocal hybrids. Two Arabidopsis thaliana accessions, Columbia and Landsberg erecta, were crossed reciprocally to produce hybrids. The small RNA expression patterns of both parents and two hybrids were compared. We find that the most common expression patterns for small RNAs in hybrid Arabidopsis are dominance for the parent with lower relative expression and additive between the parental expression. Arabidopsis Analysis of the genomic origin of the differentially expressed small RNAs suggested that they are mostly 24nt siRNA associated with maintaining genome stability and gene regulation. Interestingly, the transposon associated siRNAs are mostly additively inherited, whereas the gene-associated siRNAs are mainly down-regulated in hybrids. Overall, hybridization in Arabidopsis primarily leads to either no change or a reduction in the relative expression of siRNAs compared to their parents.
Book Synopsis Temporal and Spatial Regulation of Genes Encoding Vegetative Storage Proteins by : Jing-Feng Huang
Download or read book Temporal and Spatial Regulation of Genes Encoding Vegetative Storage Proteins written by Jing-Feng Huang and published by . This book was released on 1991 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spatiotemporal Regulation of Gene Expression During Plant Meristem Development by : Xiaoli Ma
Download or read book Spatiotemporal Regulation of Gene Expression During Plant Meristem Development written by Xiaoli Ma and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temporal and Spatial Regulation of ACC Synthase Genes in Pollinated Orchid Flowers by : Anhthu Quang Bui
Download or read book Temporal and Spatial Regulation of ACC Synthase Genes in Pollinated Orchid Flowers written by Anhthu Quang Bui and published by . This book was released on 1996 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Jasmonate Signaling by : Alain Goossens
Download or read book Jasmonate Signaling written by Alain Goossens and published by Humana. This book was released on 2016-08-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is now well established that jasmonates, originally identified as the major component of jasmine scent, play a universal role in the plant kingdom and are involved in the regulation of diverse aspects of plant biology, including growth, development, metabolism, and interaction with the environment. In Jasmonate Signaling: Methods and Protocols, experts in the field aim to unite powerful emerging omics platforms with a number of key reductionist approaches to form a comprehensive collection of tools and protocols. The detailed chapters in this book embrace physiological, environmental, molecular, omics, and bioinformatics approaches that allow dissecting jasmonate actions in the model species Arabidopsis thaliana or in other plants. Written in the highly successful Methods in Molecular Biology series format, chapters feature introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, along with tips on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Jasmonate Signaling: Methods and Protocols will empower interested researchers to dissect all steps of jasmonate signaling and the processes they modulate.
Book Synopsis Spatial and Temporal Characterization of Genes Expressed Early in Root and Embryo Development of Plants by : Huiqing Wang
Download or read book Spatial and Temporal Characterization of Genes Expressed Early in Root and Embryo Development of Plants written by Huiqing Wang and published by . This book was released on 1994 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Promoters and Transcription Factors by : Lutz Nover
Download or read book Plant Promoters and Transcription Factors written by Lutz Nover and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: The control of plant gene expression at the transcriptional level is the main subject of this volume. Genetics, molecular biology and gene technology have dramatically improved our knowledge of this event. The functional analysis of promoters and transcription factors provides more and more insights into the molecular anatomy of initiation complexes assembled from RNA polymerase and the multiplicity of helper and control proteins. Formation of specific DNA-protein complexes - activating or repressing transcription - is the crux of developmental or environmental control of gene expression. The book presents an up-to-date, critical overview of this rapidly advancing field.
Book Synopsis Plant Circadian Networks by : Dorothee Staiger
Download or read book Plant Circadian Networks written by Dorothee Staiger and published by Humana. This book was released on 2016-08-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant Circadian Networks: Methods and Protocols provides a collection of protocols to investigate clock-controlled parameters including transcript and small RNA levels, promoter activity using luciferase reporters, protein levels and posttranslational modification, protein-protein interaction, in vivo DNA-protein interaction and RNA-protein interaction, cellular redox state, Ca2+ levels, and innate immune responses. Furthermore, the use of bioinformatics resources is described to evaluate high throughput data sets and to integrate the data into an overarching picture of circadian networks in the cell. Additional chapters focus on seasonal processes like flowering time control, and techniques on trees, moss and algae. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Plant Circadian Networks: Methods and Protocols is designed not only for the chronobiology community dealing with circadian biology but also for the plant community in general.
Book Synopsis Plant Systems Biology by : Sacha Baginsky
Download or read book Plant Systems Biology written by Sacha Baginsky and published by Springer Science & Business Media. This book was released on 2007-06-25 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume aims to provide a timely view of the state-of-the-art in systems biology. The editors take the opportunity to define systems biology as they and the contributing authors see it, and this will lay the groundwork for future studies. The volume is well-suited to both students and researchers interested in the methods of systems biology. Although the focus is on plant systems biology, the proposed material could be suitably applied to any organism.
Book Synopsis Plant RNA Biology by : Dóra Szakonyi
Download or read book Plant RNA Biology written by Dóra Szakonyi and published by Frontiers Media SA. This book was released on 2019-11-18 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discoveries from the past decades revealed that RNA molecules are much more than inert intermediates between the coding DNA sequences and their functional products, proteins. Today, RNAs are recognized as active regulatory molecules influencing gene expression, chromatin organization and genome stability, thus impacting all aspects of plant life including development, growth, reproduction and stress tolerance. Innovations in methodologies, the expanding application of next-generation sequencing technologies, and the creation of public datasets and databases have exposed a new universe of RNA-based mechanisms and led to the discovery of new families of non-coding RNAs, uncovered the large extent of alternative splicing events, and highlighted the potential roles of RNA modifications and RNA secondary structures. Furthermore, considerable advances have been made in identifying RNA-binding and processing factors involved in the synthesis and maturation of different forms of RNA molecules as well as in RNA processing, biochemical modifications or degradation. This Research Topic showcases the broad biological significance of RNAs in plant systems and contains eight original research articles, one review and four mini-reviews, covering various RNA-based mechanisms in higher plants. Emerging new technologies and novel multidisciplinary approaches are empowering the scientific community and will expectedly bring novel insights into our understanding of the mechanisms through which RNA is regulated and regulates biological processes in plant cells.
Book Synopsis Untranslated Gene Regions and Other Non-coding Elements by : Lucy W. Barrett
Download or read book Untranslated Gene Regions and Other Non-coding Elements written by Lucy W. Barrett and published by Springer. This book was released on 2013-07-09 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is now compelling evidence that the complexity of higher organisms correlates with the relative amount of non-coding RNA rather than the number of protein-coding genes. Previously dismissed as “junk DNA”, it is the non-coding regions of the genome that are responsible for regulation, facilitating complex temporal and spatial gene expression through the combinatorial effect of numerous mechanisms and interactions working together to fine-tune gene expression. The major regions involved in regulation of a particular gene are the 5’ and 3’ untranslated regions and introns. In addition, pervasive transcription of complex genomes produces a variety of non-coding transcripts that interact with these regions and contribute to regulation. This book discusses recent insights into the regulatory roles of the untranslated gene regions and non-coding RNAs in the control of complex gene expression, as well as the implications of this in terms of organism complexity and evolution.
Book Synopsis 10 Years Plant Molecular Biology by : R.A. Schilperoort
Download or read book 10 Years Plant Molecular Biology written by R.A. Schilperoort and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is very clear nowadays that plants offer several opportunities for basic studies, e.g. on development and embryogenesis, and that the fundamental principles laid open contribute to the development of new tools for plant breeding. Within the scope of the present publication, the editors have had to make a difficult choice from the many important subjects that have contributed to the remarkable progress of our molecular biological understanding of complex biological problems. This has resulted in review papers showing the present state of the art in genetic engineering, gene expression and its manipulation, microbe and insect interactions with plants, transposable elements and gene tagging, plant and organ development, the function and structure of the genome chloroplasts, and lipid biosynthesis. All papers have been written in such a way that they are also useful for non-experts interested in a particular field, as well as for students following courses in plant molecular biology. Besides presenting the state of the art, each paper gives some historical background to the developments in the field as well as perspectives for further basic research and applications. Because of the latter, scientists and students engaged in plant breeding will also profit from this publication.
Book Synopsis Annual Plant Reviews, Seed Development, Dormancy and Germination by : Kent Bradford
Download or read book Annual Plant Reviews, Seed Development, Dormancy and Germination written by Kent Bradford and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The formation, dispersal and germination of seeds are crucial stages in the life cycles of gymnosperm and angiosperm plants. The unique properties of seeds, particularly their tolerance to desiccation, their mobility, and their ability to schedule their germination to coincide with times when environmental conditions are favorable to their survival as seedlings, have no doubt contributed significantly to the success of seed-bearing plants. Humans are also dependent upon seeds, which constitute the majority of the world’s staple foods (e.g., cereals and legumes). Seeds are an excellent system for studying fundamental developmental processes in plant biology, as they develop from a single fertilized zygote into an embryo and endosperm, in association with the surrounding maternal tissues. As genetic and molecular approaches have become increasingly powerful tools for biological research, seeds have become an attractive system in which to study a wide array of metabolic processes and regulatory systems. Seed Development, Dormancy and Germination provides a comprehensive overview of seed biology from the point of view of the developmental and regulatory processes that are involved in the transition from a developing seed through dormancy and into germination and seedling growth. It examines the complexity of the environmental, physiological, molecular and genetic interactions that occur through the life cycle of seeds, along with the concepts and approaches used to analyze seed dormancy and germination behavior. It also identifies the current challenges and remaining questions for future research. The book is directed at plant developmental biologists, geneticists, plant breeders, seed biologists and graduate students.
Download or read book The Barley Genome written by Nils Stein and published by Springer. This book was released on 2018-08-18 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an overview of the state-of-the-art in barley genome analysis, covering all aspects of sequencing the genome and translating this important information into new knowledge in basic and applied crop plant biology and new tools for research and crop improvement. Unlimited access to a high-quality reference sequence is removing one of the major constraints in basic and applied research. This book summarizes the advanced knowledge of the composition of the barley genome, its genes and the much larger non-coding part of the genome, and how this information facilitates studying the specific characteristics of barley. One of the oldest domesticated crops, barley is the small grain cereal species that is best adapted to the highest altitudes and latitudes, and it exhibits the greatest tolerance to most abiotic stresses. With comprehensive access to the genome sequence, barley’s importance as a genetic model in comparative studies on crop species like wheat, rye, oats and even rice is likely to increase.
Book Synopsis Maize Kernel Development by : Brian A Larkins
Download or read book Maize Kernel Development written by Brian A Larkins and published by CABI. This book was released on 2017-11-21 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an authoritative book that acts as a guide to understanding maize kernel development. Written by a team of experts, it covers topics spanning pre- and post-fertilization events, embryo and endosperm development, grain filling and maturation, and factors influencing crop yield. It explores the significance of maize and other cereal grains, existing hypotheses and research, and important gaps in our knowledge and how we might fill them. This is a valuable resource for researchers of maize and other cereals, and anyone working on basic or applied science in the fields of seed development, plant genetics, and crop physiology.
Download or read book Polarity in Plants written by K. Lindsey and published by John Wiley & Sons. This book was released on 2004 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: The establishment of polarity is a fundamental feature in eukaryotic development. Polarity in Plants provides an account of current research into the mechanisms by which polarity is generated at the level of the cell, organ and organism in plants, drawing especially on recent work with model organisms. The emphasis is on the use of the techniques of molecular genetics to dissect molecular mechanisms. This is the first volume to bring together the diverse aspects of polarity in plant development.
