New Insights Into Phospholipid Metabolism and Signaling in Plants PDF Download
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Author: Matthew Ryan Keogh
Publisher:
ISBN:
Category :
Languages : en
Pages : 157
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Book Description
Keywords: Phosphatidylinositol phosphate, phosphoinositides, phosphatidylinositol transfer proteins, Sec14, phosphatidylcholine, PLMT, choline, phospholipids, PEMT.
Author: Matthew Ryan Keogh
Publisher:
ISBN:
Category :
Languages : en
Pages : 157
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Book Description
Keywords: Phosphatidylinositol phosphate, phosphoinositides, phosphatidylinositol transfer proteins, Sec14, phosphatidylcholine, PLMT, choline, phospholipids, PEMT.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
This dissertation is the compilation of three projects all relating to phospholipids in plants. The introduction contains a literature review giving a broad overview of the metabolism of phospholipids and phospholipid signaling in plants. Particular attention was given to phosphoinositide signaling and phosphatidylinositol transfer proteins. Chapter 2 reports on the identification and molecular genetic characterization of the phosphatidylcholine (PtdCho) biosynthetic enzyme, phospholipid N-methyltransferase (PLMT) from Arabidopsis thaliana and soybean. In contrast to their mammalian and yeast homologs which are able to use phosphatidylethanolamine, phosphatidylmonomethylethanolamine (PtdMMEtn) and phosphatidyldimethylethanolamine (PtdDMEtn) as substrates, plant PLMTs can only catalyze the latter two reactions. This observation has important implications regarding the mechanisms by which plants synthesize PtdCho. A PLMT-null Arabidopsis mutant had 9-fold and 3.5-fold increases in PtdMMEtn and PtdDMEtn content, respectively. Despite this notable accumulation in PtdCho intermediates, the mutant possessed normal levels of PtdCho. These data indicate that other routes of PtdCho metabolism are able to compensate for the loss of PLMT activity. Chapter 3 presents the study of two closely related Sec14p-type phosphatidylinositol transfer proteins (PITPs) from Arabidopsis, designated AtSec14-1 and AtSec14-5. Despite the fact that genes encoding Sec14p-type PITPs are very prevalent in plant genomes, little is known concerning their function in higher plants. A double mutant Arabidopsis plant lacking both AtSec14-1 and AtSec14-5 proteins was compromised in its ability to germinate under non-ideal growth conditions. Radiolabeling studies and mass spectrometric phospholipid analyses showed that phosphatidylinositol monophosphate (PtdInsP) synthesis and accumulation was reduced in double mutant plants. The results reported in this chapter provide the best evidence to date that Sec.
Author: James M. Ntambi
Publisher: Academic Press
ISBN: 0128194057
Category : Science
Languages : en
Pages : 566
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Book Description
Lipid Signaling and Metabolism provides foundational knowledge and methods to examine lipid metabolism and bioactive lipid signaling mediators that regulate a broad spectrum of biological processes and disease states. Here, world-renowned investigators offer a basic examination of general lipid, metabolism, intracellular lipid storage and utilization that is followed by an in-depth discussion of lipid signaling and metabolism across disease areas, including obesity, diabetes, fatty liver disease, inflammation, cancer, cardiovascular disease and mood-related disorders. Throughout, authors demonstrate how expanding our understanding of lipid mediators in metabolism and signaling enables opportunities for novel therapeutics. Emphasis is placed on bioactive lipid metabolism and research that has been impacted by new technologies and their new potential to transform precision medicine. Provides a clear, up-to-date understanding of lipid signaling and metabolism and the impact of recent technologies critical to advancing new studies Empowers researchers to examine bioactive lipid signaling and metabolism, supporting translation to clinical care and precision medicine Discusses the role of lipid signaling and metabolism in obesity, diabetes, fatty liver disease, inflammation, cancer, cardiovascular disease and mood-related disorders, among others
Author: Basharat Ali
Publisher: BoD – Books on Demand
ISBN: 1837698260
Category : Science
Languages : en
Pages : 128
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Book Description
Plants, like all living organisms, communicate through a sophisticated language that is often hidden from the naked eye. At the heart of this intricate communication network are phytohormones, the silent orchestrators of growth, development, and response to environmental cues. In New Insights into Phytohormones, we embark on a journey deep into the molecular realm of plants, unraveling the mysteries of these powerful signaling molecules. Dive into the fascinating world of phytohormones as this book takes you on an exploration of their roles in plant physiology from germination to senescence. Gain a comprehensive understanding of how these chemical messengers coordinate processes such as cell elongation, flowering, and stress responses. Through the lens of cutting-edge research and real-world applications, discover the practical implications of harnessing phytohormones for agriculture, horticulture, and beyond.
Author: Elena Loreti
Publisher: MDPI
ISBN: 3036501487
Category : Science
Languages : en
Pages : 288
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Book Description
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.
Author: J.C. Kader
Publisher: Springer Science & Business Media
ISBN: 9401583943
Category : Science
Languages : en
Pages : 598
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Book Description
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.
Author: Pierdomenico Perata
Publisher: Frontiers E-books
ISBN: 2889193047
Category : Botany
Languages : en
Pages : 143
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Book Description
Author: Xue-Rong Zhou
Publisher: Frontiers Media SA
ISBN: 2889664333
Category : Science
Languages : en
Pages : 207
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Book Description
Author: Giovanni Stefano
Publisher: Frontiers Media SA
ISBN: 2889666948
Category : Science
Languages : en
Pages : 375
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Book Description
Author: Xuemin Wang
Publisher: Frontiers E-books
ISBN: 2889191486
Category :
Languages : en
Pages : 249
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Book Description
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.
