Function Of Hybrid Histidine Kinases In Arabidopsis Flagellin Mediated Defence Responses
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Function Of Hybrid Histidine Kinases In Arabidopsis Flagellin Mediated Defence Responses
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Author : Yvonne Marion Stewart
language : en
Publisher:
Release Date : 2012
Function Of Hybrid Histidine Kinases In Arabidopsis Flagellin Mediated Defence Responses written by Yvonne Marion Stewart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Function Of Hybrid Histidine Kinases In Arabidopsis Flagellin Mediated Defence Responses
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Author : Yvonne Marion Stewart
language : en
Publisher:
Release Date : 2013
Function Of Hybrid Histidine Kinases In Arabidopsis Flagellin Mediated Defence Responses written by Yvonne Marion Stewart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
In plants, the first line of microbial recognition relies on the perception of pathogen-associated molecular patterns (PAMPs) allowing plants to detect microorganisms and respond with a set of basal defence responses. The best studied PAMP is flagellin, the main protein component of bacterial flagella. The sensor histidine kinase AHK5 has been shown to play a novel role in mediating flagellin-induced stomatal closure. AHK5 belongs to a family of 9 Arabidopsis hybrid-histidine kinases (HKs). To further investigate the role of such HKs in flagellin-induced signal transduction, physiological responses to the flagellin derived peptide flg22 were examined in available hybrid HK mutant lines. Seedlings of the ethylene insensitive HK ETR1 mutant (etr1-1) showed dramatically reduced flg22 sensitivity as assayed by flg22-mediated seedling growth inhibition. A novel role for the hormone ethylene in flg22-mediated growth inhibition was thus identified. Conversely enhanced sensitivity to low concentrations of flg22 was observed in the AHK2 cytokinin receptor mutant (ahk2-2). However, the absence of flg22-associated growth phenotype in other cytokinin receptor mutants would suggest the role of AHK2 in flg22-mediated seedling growth inhibition may be independent of its role in cytokinin perception. Despite a wild-type sensitivity in aerial plant tissues, distinct flg22-mediated root growth arrest phenotypes were observed in plants defective in the HKs ETR1 and AHK5. Dissection of the mechanisms underlying flg22-mediated root growth inhibition led to the identification of nitric oxide and the ethylene precursor ACC as key secondary messengers. Further characterisation of etr1 mutants showed that, in addition to seedling growth inhibition, ethylene perception is also required for flg22-mediated callose deposition however surprisingly, does not appear to be a requirement for flg22-mediated bacterial immunity. Despite the known requirement for AHK5 in flg22-mediated stomatal closure, flg22-mediated post-invasive bacterial defences were found to be intact in ahk5-1 mutant plants. In summary this study has shown that ethylene perception via the ethylene receptor HK family plays an integral part in flg22-mediated signalling. In addition, organ/tissue specific functions for three of the nine hybrid kinases, AHK2, AHK5 and ETR1 in flg22-mediated signal transduction have been identified.
Abiotic Stresses In Plants
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Author : Luigi Sanità di Toppi
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-11-30
Abiotic Stresses In Plants written by Luigi Sanità di Toppi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-11-30 with Nature categories.
This book provides a valuable insight into how the area of plant adaptation to abiotic stresses has progressed through the application of the new technologies. The book consists of eight chapters written by outstanding scientists across the world, who carry out research at the cutting edge of their disciplines. The topics, addressed in up-to-date specific chapters, include effects and responses of plants to stresses caused by such factors as: 1) high temperature, 2) low temperature (chilling and freezing), 3) salt, 4) drought, 5) flooding, 6) heavy metals, 7) elevated carbon dioxide, 8) ozone.
Effectors In Plant Microbe Interactions
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Author : Francis Martin
language : en
Publisher: John Wiley & Sons
Release Date : 2012-01-03
Effectors In Plant Microbe Interactions written by Francis Martin 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 2012-01-03 with Science categories.
Plants and microbes interact in a complex relationship that can have both harmful and beneficial impacts on both plant and microbial communities. Effectors, secreted microbial molecules that alter plant processes and facilitate colonization, are central to understanding the complicated interplay between plants and microbes. Effectors in Plant-Microbe Interactions unlocks the molecular basis of this important class of microbial molecules and describes their diverse and complex interactions with host plants. Effectors in Plant Microbe Interactions is divided into five sections that take stock of the current knowledge on effectors of plant-associated organisms. Coverage ranges from the impact of bacterial, fungal and oomycete effectors on plant immunity and high-throughput genomic analysis of effectors to the function and trafficking of these microbial molecules. The final section looks at effectors secreted by other eukaryotic microbes that are the focus of current and future research efforts. Written by leading international experts in plant-microbe interactions, Effectors in Plant Microbe Interactions, will be an essential volume for plant biologists, microbiologists, pathologists, and geneticists.
Abiotic Stress Response In Plants
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Author : Arun Shanker
language : en
Publisher: BoD – Books on Demand
Release Date : 2011-08-29
Abiotic Stress Response In Plants written by Arun Shanker and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-29 with Science categories.
Plants, unlike animals, are sessile. This demands that adverse changes in their environment are quickly recognized, distinguished and responded to with suitable reactions. Drought, heat, cold and salinity are among the major abiotic stresses that adversely affect plant growth and productivity. In general, abiotic stress often causes a series of morphological, physiological, biochemical and molecular changes that unfavorably affect plant growth, development and productivity. Drought, salinity, extreme temperatures (cold and heat) and oxidative stress are often interrelated; these conditions singularly or in combination induce cellular damage. To cope with abiotic stresses, of paramount significance is to understand plant responses to abiotic stresses that disturb the homeostatic equilibrium at cellular and molecular level in order to identify a common mechanism for multiple stress tolerance. This multi authored edited compilation attempts to put forth an all-inclusive biochemical and molecular picture in a systems approach wherein mechanism and adaptation aspects of abiotic stress are dealt with. The chief objective of the book hence is to deliver state of the art information for comprehending the effects of abiotic stress in plants at the cellular level.
Plant Signaling Molecules
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Author : M. Iqbal R. Khan
language : en
Publisher: Woodhead Publishing
Release Date : 2019-03-15
Plant Signaling Molecules written by M. Iqbal R. Khan and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-15 with Science categories.
Plant Signaling Molecule: Role and Regulation under Stressful Environments explores tolerance mechanisms mediated by signaling molecules in plants for achieving sustainability under changing environmental conditions. Including a wide range of potential molecules, from primary to secondary metabolites, the book presents the status and future prospects of the role and regulation of signaling molecules at physiological, biochemical, molecular and structural level under abiotic stress tolerance. This book is designed to enhance the mechanistic understanding of signaling molecules and will be an important resource for plant biologists in developing stress tolerant crops to achieve sustainability under changing environmental conditions. Focuses on plant biology under stress conditions Provides a compendium of knowledge related to plant adaptation, physiology, biochemistry and molecular responses Identifies treatments that enhance plant tolerance to abiotic stresses Illustrates specific physiological pathways that are considered key points for plant adaptation or tolerance to abiotic stresses
Stress Signaling In Plants Genomics And Proteomics Perspective Volume 1
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Author : Maryam Sarwat
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-21
Stress Signaling In Plants Genomics And Proteomics Perspective Volume 1 written by Maryam Sarwat and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-21 with Science categories.
Plant diseases, extreme weather caused by climate change, drought and an increase in metals in soil are amongst the major limiting factors of crop production worldwide. They devastate not only food supply but also the economy of a nation. Keeping in view of the global food scarcity, there is, an urgent need to develop crop plants with increased stress tolerance so as to meet the global food demands and to preserve the quality of our planet. In order to do this, it is necessary to understand how plants react and adapt to stress from the genomic and proteomic perspective. Plants adapt to stress conditions by activation of cascades of molecular mechanisms, which result in alterations in gene expression and synthesis of protective proteins/compounds. From the perception of the stimulus to transduction of the signal, followed by an appropriate response, the plants employ a complex network of primary and secondary messenger molecules. Cell signaling is the component of a complex system of communication that directs basic cellular activities and synchronizes cell actions. Cells exercise a large number of noticeably distinct signaling pathways to regulate their activity. In order to contend with different environmental adversities plants have developed a series of mechanisms at the physiological, cellular and molecular level. This two volume set takes an in-depth look at the Stress Signaling in Plants from a uniquely genomic and proteomics perspective. Stress Signaling in Plants offers a comprehensive treatise on the Chapter, covering all of the signaling pathways and mechanisms that have been researched so far. Each chapter provides in-depth explanation of what we currently know of a particular aspect of stress signaling and where we are headed. All authors have currently agreed and abstracts have been complied for the first volume, due out midway through 2012. We aim to have the second volume out at the beginning of 2013.
The Soybean Genome
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Author : Henry T. Nguyen
language : en
Publisher: Springer
Release Date : 2017-09-20
The Soybean Genome written by Henry T. Nguyen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-20 with Science categories.
This book examines the application of soybean genome sequences to comparative, structural, and functional genomics. Since the availability of the soybean genome sequence has revolutionized molecular research on this important crop species, the book also describes how the genome sequence has shaped research on transposon biology and applications for gene identification, tilling and positional gene cloning. Further, the book shows how the genome sequence influences research in the areas of genetic mapping, marker development, and genome-wide association mapping for identifying important trait genes and soybean breeding. In closing, the economic and botanical aspects of the soybean are also addressed.
The Ubiquitin System
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Author : Milton J. Schlesinger
language : en
Publisher: Cold Spring Harbor Laboratory Press
Release Date : 1988
The Ubiquitin System written by Milton J. Schlesinger and has been published by Cold Spring Harbor Laboratory Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Plant Environment Interactions
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Author : František Baluška
language : fr
Publisher: Springer Science & Business Media
Release Date : 2009-03-03
Plant Environment Interactions written by František Baluška and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-03 with Science categories.
Our image of plants is changing dramatically away from passive entities merely subject to environmental forces and organisms that are designed solely for the accumulation of photosynthate. Plants are revealing themselves to be dynamic and highly sensitive organisms that actively and competitively forage for limited resources, both above and below ground, organisms that accurately gauge their circumstances, use sophisticated cost-benefit analysis, and take clear actions to mitigate and control diverse environmental threats. Moreover, plants are also capable of complex recognition of self and non-self and are territorial in behavior. They are as sophisticated in behavior as animals but their potential has been masked because it operates on time scales many orders of magnitude less than those of animals. Plants are sessile organisms. As such, the only alternative to a rapidly changing environment is rapid adaptation. This book will focus on all these new and exciting aspects of plant biology.