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Lipid Signalling In Plant Development And Responses To Environmental Stresses
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Book Synopsis Lipid Signalling in Plant Development and Responses to Environmental Stresses by : Eric Ruelland
Download or read book Lipid Signalling in Plant Development and Responses to Environmental Stresses written by Eric Ruelland and published by Frontiers Media SA. This book was released on 2016-08-09 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: In response to environmental stresses, or during development, plant cells will produce lipids that will act as intracellular or intercellular mediators. Glycerophospholipid and/or sphingolipid second messengers resulting from the action of lipid metabolizing enzymes (e.g. lipid-kinases or lipases) are commonly found within cells. The importance of such mediating lipids in plants has become increasingly apparent. Responses to biotic and abiotic stresses, and to plant hormones, all appear to involve and require lipid signals. Likewise, developmental processes, in particular polarized growth, seem also to involve signalling lipids. Amongst these lipids, phosphatidic acid (PA) has received the most attention. It can be produced by phospholipases D, but also by diacylglycerol kinases coupled to phospholipases C. Proteins that bind phosphatidic acid, and for which the activity is altered upon binding, have been identified. Furthermore, other lipids are also important in signalling processes. PA can be phosphorylated into diacylglycerol-pyrophosphate, and plants are one of the first biological models where the production of this lipid has been reported, and its implication in signal transduction have been demonstrated. PA can also be deacylated into lyso- phosphatidic acid. The phosphorylated phosphatidylinositols, i.e. the phosphoinositides, can act as substrate of phospholipases C, but are also mediating lipids per se, since proteins that bind them have been identified. Other important lipid mediators belong to the sphingolipid family such the phosphorylated phytosphingosine, or long-chain bases. Many questions remain unanswered concerning lipid signalling in plants. Understanding and discussing current knowledge on these mechanisms will provide insights into plant mechanisms in response to constraints, either developmental or environmental.
Book Synopsis Lipid Signalling In Plant Development And Responses To Environmental Stresses by :
Download or read book Lipid Signalling In Plant Development And Responses To Environmental Stresses written by and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In response to environmental stresses, or during development, plant cells will produce lipids that will act as intracellular or intercellular mediators. Glycerophospholipid and/or sphingolipid second messengers resulting from the action of lipid metabolizing enzymes (e.g. lipid-kinases or lipases) are commonly found within cells. The importance of such mediating lipids in plants has become increasingly apparent. Responses to biotic and abiotic stresses, and to plant hormones, all appear to involve and require lipid signals. Likewise, developmental processes, in particular polarized growth, seem also to involve signalling lipids. Amongst these lipids, phosphatidic acid (PA) has received the most attention. It can be produced by phospholipases D, but also by diacylglycerol kinases coupled to phospholipases C. Proteins that bind phosphatidic acid, and for which the activity is altered upon binding, have been identified. Furthermore, other lipids are also important in signalling processes. PA can be phosphorylated into diacylglycerol-pyrophosphate, and plants are one of the first biological models where the production of this lipid has been reported, and its implication in signal transduction have been demonstrated. PA can also be deacylated into lyso- phosphatidic acid. The phosphorylated phosphatidylinositols, i.e. the phosphoinositides, can act as substrate of phospholipases C, but are also mediating lipids per se, since proteins that bind them have been identified. Other important lipid mediators belong to the sphingolipid family such the phosphorylated phytosphingosine, or long-chain bases. Many questions remain unanswered concerning lipid signalling in plants. Understanding and discussing current knowledge on these mechanisms will provide insights into plant mechanisms in response to constraints, either developmental or environmental.
Book Synopsis Lipid signaling in plants by : Xuemin Wang
Download or read book Lipid signaling in plants written by Xuemin Wang and published by Frontiers E-books. This book was released on 2013-07-30 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cell membranes are the initial and focal sites of stimulus perception and signal transduction. Membrane lipids are rich sources for the production of signaling messengers that mediate plant growth, development, and response to nutrient status and stresses. In recent years, substantial progress has been made toward understanding lipid signaling in plants, but many fundamental questions remain: What lipids are signaling messengers or mediators in plants? How are the signaling lipids produced and metabolized? In what plant cellular and physiological processes are various lipid mediators involved? How do they carry out their signaling functions? How do lipid signaling networks contribute to modulating plant growth, development, and responses to hormones and stresses? In this Research Topic issue, we invite the broad plant community to address the above questions.Cell membranes are the initial and focal sites of stimulus perception and signal transduction. Membrane lipids are rich sources for the production of signaling messengers that mediate plant growth, development, and response to nutrient status and stresses. In recent years, substantial progress has been made toward understanding lipid signaling in plants, but many fundamental questions remain: What lipids are signaling messengers or mediators in plants? How are the signaling lipids produced and metabolized? In what plant cellular and physiological processes are various lipid mediators involved? How do they carry out their signaling functions? How do lipid signaling networks contribute to modulating plant growth, development, and responses to hormones and stresses? In this Research Topic issue, we invite the broad plant community to address the above questions.
Book Synopsis Lipid Metabolism in Development and Environmental Stress Tolerance for Engineering Agronomic Traits by : Zhi-Yan (Rock) Du
Download or read book Lipid Metabolism in Development and Environmental Stress Tolerance for Engineering Agronomic Traits written by Zhi-Yan (Rock) Du and published by Frontiers Media SA. This book was released on 2021-10-14 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Lipid Metabolism by : J.C. Kader
Download or read book Plant Lipid Metabolism written by J.C. Kader and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of papers that comprehensively describe the major areas of research on lipid metabolism of plants. State-of-the-art knowledge about research on fatty acid and glycerolipid biosynthesis, isoprenoid metabolism, membrane structure and organization, lipid oxidation and degradation, lipids as intracellular and extracellular messengers, lipids and environment, oil seeds and gene technology is reviewed. The different topics covered show that modern tools of plant cellular and molecular biology, as well as molecular genetics, have been recently used to characterize several key enzymes of plant lipid metabolism (in particular, desaturases, thioesterases, fatty acid synthetase) and to isolate corresponding cDNAs and genomic clones, allowing the use of genetic engineering methods to modify the composition of membranes or storage lipids. These findings open fascinating perspectives, both for establishing the roles of lipids in membrane function and intracellular signalling and for adapting the composition of seed oil to the industrial needs. This book will be a good reference source for research scientists, advanced students and industrialists wishing to follow the considerable progress made in recent years on plant lipid metabolism and to envision the new opportunities offered by genetic engineering for the development of novel oil seeds.
Book Synopsis Lipid Signaling in Plants by : Teun Munnik
Download or read book Lipid Signaling in Plants written by Teun Munnik and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive update on plant lipid signaling covers the measurement, regulation and function of phospholipases, lipid kinases, lipid phosphatases, inositolpolphosphates, polyphosphoinositides, phosphatic acid, and other lipid signals such as oxylipins.
Book Synopsis Abiotic Stress-Mediated Sensing and Signaling in Plants: An Omics Perspective by : Sajad Majeed Zargar
Download or read book Abiotic Stress-Mediated Sensing and Signaling in Plants: An Omics Perspective written by Sajad Majeed Zargar and published by Springer. This book was released on 2018-02-20 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: The natural environment for plants is composed of a complex set of abiotic and biotic stresses; plant responses to these stresses are equally complex. Systems biology allows us to identify regulatory hubs in complex networks. It also examines the molecular “parts” (transcripts, proteins and metabolites) of an organism and attempts to combine them into functional networks or models that effectively describe and predict the dynamic activities of that organism in different environments. This book focuses on research advances regarding plant responses to abiotic stresses, from the physiological level to the molecular level. It highlights new insights gained from the integration of omics datasets and identifies remaining gaps in our knowledge, outlining additional focus areas for future crop improvement research. Plants have evolved a wide range of mechanisms for coping with various abiotic stresses. In many crop plants, the molecular mechanisms involved in a single type of stress tolerance have since been identified; however, in order to arrive at a holistic understanding of major and common events concerning abiotic stresses, the signaling pathways involved must also be elucidated. To date several molecules, like transcription factors and kinases, have been identified as promising candidates that are involved in crosstalk between stress signalling pathways. However, there is a need to better understand the tolerance mechanisms for different abiotic stresses by thoroughly grasping the signalling and sensing mechanisms involved. Accordingly, this book covers a range of topics, including the impacts of different abiotic stresses on plants, the molecular mechanisms leading to tolerance for different abiotic stresses, signaling cascades revealing cross-talk among various abiotic stresses, and elucidation of major candidate molecules that may provide abiotic stress tolerance in plants.
Book Synopsis Plant Responses to Hypoxia by : Elena Loreti
Download or read book Plant Responses to Hypoxia written by Elena Loreti and published by MDPI. This book was released on 2021-03-02 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular oxygen deficiency leads to altered cellular metabolism and can dramatically reduce crop productivity. Nearly all crops are negatively affected by a lack of oxygen (hypoxia) due to adverse environmental conditions such as excessive rain and soil waterlogging. Extensive efforts to fully understand how plants sense oxygen deficiency and their ability to respond using different strategies are crucial to increase hypoxia tolerance. Progress in our understanding has been significant in recent years. This topic certainly deserves more attention from the academic community; therefore, we have compiled a series of articles reflecting the advancements made thus far.
Book Synopsis Mechanism of Plant Hormone Signaling under Stress by : Girdhar K. Pandey
Download or read book Mechanism of Plant Hormone Signaling under Stress written by Girdhar K. Pandey and published by John Wiley & Sons. This book was released on 2017-03-24 with total page 1282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bei vielen physiologischen und Entwicklungsprozessen sowie bei Stressreaktionen spielen Hormonsignale, die Pflanzen aussenden, eine große Rolle. Mit Aufkommen der neuen post-genomischen Molekulartechnologien sind auch unsere Möglichkeiten, die Wirkung von Hormonsignalen auf die Genexpression und adaptive Prozesse zu verstehen, heute einzigartig. Wenn wir die molekularen Grundlagen dieser Prozesse entschlüsseln, ergeben sich für die Entwicklung neuer Pflanzenbiotechnologien und verbesserter Varianten von Kulturpflanzen große Chancen. Die Themen dieses Buches legen den Schwerpunkt auf die Genomik und funktionale Aspekte der Genomik. Damit lassen sich globale Veränderungen und Veränderungen auf Ebene des gesamten Genoms unter spezifischen Stressbedingungen verstehen. Mit funktionalen Werkzeugen der Genomik kann der Mechanismus von Phytohormonsignalen in Verbindung mit den zugehörigen Zielgenen systematischer definiert werden. Die integrierte Analyse von Phytohormonsignalen bei einzelnen oder mehreren Stressbedingungen ist unter Umständen für die Entwicklung stresstoleranter Kulturpflanzen eine außergewöhnliche Möglichkeit. Mechanism of Plant Hormone Signaling Under Stress beschreibt die jüngsten Fortschritte und zeigt, wie heutige Erkenntnisse in der wissenschaftlichen Erforschung von Pflanzen und Kulturpflanzen Anwendung finden. Dieses Buch ist für Pflanzenbiologen, Biologen, die sich mit Stressfaktoren beschäftigen, Forscher im Bereich Pflanzenbiotechnologie, Studenten und Dozenten überaus nützlich.
Book Synopsis Plant Responses to Biotic and Abiotic Stresses: Lessons from Cell Signaling by : Sylvain Jeandroz
Download or read book Plant Responses to Biotic and Abiotic Stresses: Lessons from Cell Signaling written by Sylvain Jeandroz and published by Frontiers Media SA. This book was released on 2017-12-28 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Facing stressful conditions imposed by their environment and affecting their growth and their development throughout their life cycle, plants must be able to perceive, to process and to translate different stimuli into adaptive responses. Understanding the organism-coordinated responses involves a fine description of the mechanisms occurring at the cellular and molecular level. A major challenge is also to understand how the large diversity of molecules identified as signals, sensors or effectors could drive a cell to the appropriate plant response and to finally cope with various environmental cues. In this Research Topic we aim to provide an overview of various signaling mechanisms or to present new molecular signals involved in stress response and to demonstrate how basic/fundamental research on cell signaling will help to understand stress responses at the whole plant level.
Book Synopsis Plant responses to flooding by : Pierdomenico Perata
Download or read book Plant responses to flooding written by Pierdomenico Perata and published by Frontiers E-books. This book was released on 2015-01-05 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lipids in Plant Development and Stress Responses by : Patricia Scholz
Download or read book Lipids in Plant Development and Stress Responses written by Patricia Scholz and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In plant cells, lipids are important components of cellular membranes. There, they act as structure-forming and/or signal-transmitting elements. As signals, lipids are landmarks and thereby important regulators, for example of secretory processes in pollen tubes. One such signalling lipid is phosphatidic acid that can be formed by diacylglycerol kinases (DGKs), however, the role of DGKs in the secretory processes occurring in pollen tubes is so far underexplored. One study described in this thesis sheds light on the importance of DGKs in tobacco pollen tube growth. Here, it is shown for the...
Book Synopsis Understanding the Molecular Mechanisms of Plant Responses to Abiotic Stress by : Sang Yeol Lee
Download or read book Understanding the Molecular Mechanisms of Plant Responses to Abiotic Stress written by Sang Yeol Lee and published by Frontiers Media SA. This book was released on 2020-02-20 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant responses to environmental stress are governed by complex molecular and biochemical signal transduction processes, which act in coordination to determine tolerance or sensitivity at the whole plant level. Upon exposure to abiotic stress, plants express a sophisticated coordinated response to reprogram interconnected defense networks and metabolic pathways, by alterations in the transcription, translation, and post-translational modification of defense-related genes and proteins. Traditionally, physiological and phenotypic responses were the major ones to be collected in plant stress biology. However, modern studies include the identification of key genes that influence stress tolerance and plant growth under the imposing stress and the verification of gene functions using knock out mutants or overexpression lines. In addition, genomics has become a necessary tool for the understanding of plant stress responses at the whole genome levels. The identification of stress-tolerant plant resources and the investigation of the functional role of the genetic variants is also a valuable tool in this research field. Recently, the advent of CRISPR/Cas genome editing technology, enables these variations to be introduced in crops for improved stress tolerance traits. Through the understanding of the molecular mechanisms involved in plant signaling in response to abiotic stress and crop performance characters under stress conditions, we hope to open new ways for the breeding of superior crops.
Book Synopsis Sphingolipids as Signaling and Regulatory Molecules by : Charles Chalfant
Download or read book Sphingolipids as Signaling and Regulatory Molecules written by Charles Chalfant and published by Springer Science & Business Media. This book was released on 2011-01-12 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book attempts to analyze the latest discoveries in sphingolipid biology and how the alteration of their metabolism leads to altered signaling events and to the development of pathobiological disorders, such as cancer, cardiovascular diseases, asthma, diabetes, inflammation and infectious diseases.
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 Lipids in Photosynthesis by : Hajime Wada
Download or read book Lipids in Photosynthesis written by Hajime Wada and published by Springer Science & Business Media. This book was released on 2009-11-07 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lipids in Photosynthesis: Essential and Regulatory Functions, provides an essential summary of an exciting decade of research on relationships between lipids and photosynthesis. The book brings together extensively cross-referenced and peer-reviewed chapters by prominent researchers. The topics covered include the structure, molecular organization and biosynthesis of fatty acids, glycerolipids and nonglycerolipids in plants, algae, lichens, mosses, and cyanobacteria, as well as in chloroplasts and mitochondria. Several chapters deal with the manipulation of the extent of unsaturation of fatty acids and the effects of such manipulation on photosynthesis and responses to various forms of stress. The final chapters focus on lipid trafficking, signaling and advanced analytical techniques. Ten years ago, Siegenthaler and Murata edited "Lipids in Photosynthesis: Structure, Function and Genetics," which became a classic in the field. "Lipids in Photosynthesis: Essential and Regulatory Functions," belongs, with its predecessor, in every plant and microbiological researcher's bookcase.
Book Synopsis Membrane Lipid Changes in Arabidopsis Thaliana in Response to Environmental Stresses by : Hieu Sy Vu
Download or read book Membrane Lipid Changes in Arabidopsis Thaliana in Response to Environmental Stresses written by Hieu Sy Vu and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The molecular mechanisms by which plants respond to environmental stresses to sustain growth and yield have great importance to agriculture. Lipid metabolites are a major element of plant stress responses. The model plant Arabidopsis thaliana is well-suited to study stress-driven compositional dynamics, metabolism, and functions of lipid metabolites. When Arabidopsis plants were subjected to wounding, infection by Pseudomonas syringae pv tomato DC3000 expressing AvrRpt2 (PstAvr), infection by Pseudomonas syringae pv. maculicola (Psm), and low temperature, and 86 oxidized and acylated lipids were analyzed using mass spectrometry, different sets of lipids were found to change in level in response to the various stresses. Analysis of plant species (wheat versus Arabidopsis), ecotypes (Arabidopsis Columbia 0 versus Arabidopsis C24), and stresses (wounding, bacterial infection, and freezing) showed that acylated monogalactosyldiacylglycerol was a major and diverse lipid class that differed in acyl composition among plant species when plants were subjected to different stresses. Mass spectrometry analysis provided evidence that oxophytodienoic acid, an oxidized fatty acid, is significantly more concentrated on the galactosyl ring of monogalactosyldiacylglycerol than on the glycerol backbone. A mass spectrometry method, measuring 272 lipid analytes with high precision in a relatively short time, was developed. Application of the method to plants subjected to wounding and freezing stress in large-scale experiments showed the method produces data suitable for lipid co-occurrence analysis, which identifies groups of lipid analytes produced by identical or inter-twined enzymatic pathways. The mass spectrometry method and lipid co-occurrence analysis were utilized to study the nature of lipid modifications and the roles of lipoxygenases and patatin-like acyl hydrolases in Arabidopsis during cold acclimation, freezing, and thawing.
