Elucidating The Role Of Receptor Like Kinases Erf In Plant Development
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Elucidating The Role Of Receptor Like Kinases Erf In Plant Development
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Author : Pawel Zbigniew Kosentka
language : en
Publisher:
Release Date : 2018
Elucidating The Role Of Receptor Like Kinases Erf In Plant Development written by Pawel Zbigniew Kosentka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Arabidopsis categories.
Intercellular communication is indispensable for development of complex multicellular organisms. Cell to cell communication in plants is heavily reliant on receptor-like-kinases (RLKs) located on the surface of cells. ERECTA (ER) and its two paralogs ERECTA-like 1 (ERL1) and ERL2 are leucine-rich repeats RLKs that regulate multiple developmental processes. Ligands of the ERf receptors are small secreted peptides known as Epidermal Patterning Factor-Like (EPFL). In Arabidopsis, the EPFL family is made of 11 genes, several of which remain to be characterized. Results presented in this work include: 1) The use of structure function analysis found that juxtamembrane domain and kinase activity is essential for ERECTA signaling activity while the carboxy-terminal tail is not. Analysis of the activation loop in the kinase domain revealed the importance of phosphorylation sites that modulate the signaling of ERECTA. Lastly, not all developmental processes regulated by the ERECTA family require kinase activity suggesting that there are different mechanisms for stomata development and regulation of organ growth. 2) Ectopic expression of ERECTA in specified regions of the shoot apical meristem (SAM) releveled that central zone expression was sufficient to rescue the meristem size and leaf initiation defects of er erl1 erl2 mutant. Transcriptional reporter lines identified the putative ER family ligands that were expressed near the SAM. A genetics approach reveled EPFL1, EPFL2, EPFL4 and EPFL6 to redundantly regulate meristem size and rate of leaf initiation. Lastly, ectopic expression of EPFL1 in the peripheral zone of the SAM rescued SAM phenotypes of the epfl1 epfl2 epfl4 eplf6 mutant. These results suggest that the ERECTA family signaling pathway mediates communication between the peripheral zone and central zone of the SAM.This work expands our knowledge of ERECTA family signaling and its implementation in the role of SAM regulation.
Genes Involved In Plant Defense
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Author : Thomas Boller
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Genes Involved In Plant Defense written by Thomas Boller 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 2012-12-06 with Science categories.
Many fungi and bacteria that associate with plants are potentially harmful and can cause disease, while others enter into mutually beneficial sym bioses. Co-evolution of plants with pathogenic and symbiotic microbes has lead to refined mechanisms of reciprocal recognition, defense and counter defense. Genes in both partners determine and regulate these mechanisms. A detailed understanding of these genes provides basic biological insights as well as a starting point for developing novel methods of crop protection against pathogens. This volume deals with defense-related genes of plants and their regulation as well as with the genes of microbes involved in their interaction with plants. Our discussion begins at the level of populations and addresses the complex interaction of plant and microbial genes in multigenic disease resistance and its significance for crop protection as compared to mono genic resistance (Chap. 1). Although monogenic disease resistance may have its problems in the practice of crop protection, it is appealing to the experimentalist: in the so-called gene-for-gene systems, single genes in the plant and in the pathogen specify the compatibility or incompatibility of an interaction providing an ideal experimental system for studying events at the molecular level (Chaps. 2 and 4). Good progress has been made in identifying viral, bacterial, and fungal genes important in virulence and host range (Chaps. 3-6). An important aspect of plant-microbe interactions is the exchange of chemical signals. Microbes can respond to chemical signals of plant origin.
Abscisic Acid In Plants
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Author :
language : en
Publisher: Academic Press
Release Date : 2019-11-21
Abscisic Acid In Plants written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-21 with Science categories.
Abscisic Acid in Plants, Volume 92, the latest release in the Advances in Botanical Research series, is a compilation of the current state-of-the-art on the topic. Chapters in this new release comprehensively describe latest knowledge on how ABA functions as a plant hormone. They cover topics related to molecular mechanisms as well as the biochemical and chemical aspects of ABA action: hormone biosynthesis, catabolism, transport, perception, signaling in plants, seeds and in response to biotic and abiotic stresses, hormone evolution and chemical biology, and much more. Presents the latest release in the Advances in Botanical Research series Provides an Ideal resource for post-graduates and researchers in the plant sciences, including plant physiology, plant genetics, plant biochemistry, plant pathology, and plant evolution Contains contributions from internationally recognized authorities in their respective fields
Receptor Like Kinases In Plants
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Author : Frans Tax
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-21
Receptor Like Kinases In Plants written by Frans Tax 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 2012-01-21 with Science categories.
Sequencing projects have revealed the presence of at least several hundred receptor kinases in a typical plant genome. Receptor kinases are therefore the largest family of primary signal transducers in plants, and their abundance suggests an immense signaling network that we have only just begun to uncover. Recent research findings indicate that individual receptor kinases fulfill important roles in growth and development, in the recognition of pathogens and symbionts or, in a few examples, in both growth and defense. This volume will focus on the roles of receptor kinases, their signaling pathways, and the ways in which these important signaling proteins are regulated.
Senescence Signalling And Control In Plants
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Author : Maryam Sarwat
language : en
Publisher: Academic Press
Release Date : 2018-12-05
Senescence Signalling And Control In Plants written by Maryam Sarwat and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-05 with Science categories.
Senescence Signalling and Control in Plants discusses the studies showing the importance of hormone action on developmental senescence. It shows the involvement of various signaling components (such as EIN2, LOX2) and transcription factors (such as oresara1 or ORE1) in controlling hormonal activity during senescence. Further, the involvement of various micro RNAs (miR164, miR319) in regulating leaf senescence are discussed. Through this book, the authors throw light on all the reverse and forward genetic approaches to reveal the role of various other phytohormones regulating plant senescence and the molecular mechanisms involved. Chapters on relevant topics are contributed by experts working in the area, making this a comprehensive treatise designed to provide an in-depth analysis on the subject matter.
Cytokinins As Central Regulators Of Plant Growth And Development
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Author : Jan Hejatko
language : en
Publisher: Frontiers Media SA
Release Date : 2022-02-03
Cytokinins As Central Regulators Of Plant Growth And Development written by Jan Hejatko and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-03 with Science categories.
Elucidation Of Abiotic Stress Signaling In Plants
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Author : Girdhar K. Pandey
language : en
Publisher: Springer
Release Date : 2015-05-30
Elucidation Of Abiotic Stress Signaling In Plants written by Girdhar K. Pandey and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-30 with Science categories.
Abiotic stresses such as high temperature, low-temperature, drought, and salinity limit crop productivity worldwide. Understanding plant responses to these stresses is essential for rational engineering of crop plants. In Arabidopsis, the signal transduction pathways for abiotic stresses, light, several phytohormones and pathogenesis have been elucidated. A significant portion of plant genomes (most studies are Arabidopsis and rice genome) encodes for proteins involves in signaling such as receptor, sensors, kinases, phosphatases, transcription factors and transporters/channels. Despite decades of physiological and molecular effort, knowledge pertaining to how plants sense and transduce low and high temperature, low-water availability (drought), water-submergence and salinity signals is still a major question before plant biologists. One major constraint hampering our understanding of these signal transduction processes in plants has been the lack or slow pace of application of molecular genomic and genetics knowledge in the form of gene function. In the post-genomic era, one of the major challenges is investigation and understanding of multiple genes and gene families regulating a particular physiological and developmental aspect of plant life cycle. One of the important physiological processes is regulation of stress response, which leads to adaptation or adjustment in response to adverse stimuli. With the holistic understanding of the signaling pathways involving not only one gene family but multiple genes or gene families, plant biologists can lay a foundation for designing and generating future crops that can withstand the higher degree of environmental stresses (especially abiotic stresses, which are the major cause of crop loss throughout the world) without losing crop yield and productivity.
Somatic Embryogenesis In Ornamentals And Its Applications
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Author : Abdul Mujib
language : en
Publisher: Springer
Release Date : 2015-12-22
Somatic Embryogenesis In Ornamentals And Its Applications written by Abdul Mujib and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-22 with Science categories.
Somatic embryogenesis (SE) is a unique process by means of which a vegetative/somatic plant cell transforms into an embryo. This in vitro embryogeny has immense fundamental and practical applications. The SE process is complex and is controlled by a variety of external and internal triggers. This book compiles the latest advances in embryogenesis research on ornamentals and discusses the importance of embryogenic cultures/tissues in raising transgenic crops. The technique of cryopreservation in the protection of ornamental genetic resources is discussed using embryogenic culture/embryo as the tissue of choice, and the respective roles of the genotype, plant growth regulator, environment and other regulating factors in embryogenesis are discussed. The book also focuses on comparative biochemical and physiological differences during the acquisition and development of embryos. The importance of plant proteome and functional genomics as a source of markers is highlighted, and special attention is paid to genes / gene homologues (SERC) in characterizing embryogenesis. Lastly, the book examines the involvement of auxin polar transport and other molecular networks regulating gene expression.
Evolution Of Gene Regulatory Networks In Plant Development
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Author : Federico Valverde
language : en
Publisher: Frontiers Media SA
Release Date : 2018-02-15
Evolution Of Gene Regulatory Networks In Plant Development written by Federico Valverde and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-15 with categories.
During their life cycle plants undergo a wide variety of morphological and developmental changes. Impinging these developmental processes there is a layer of gene, protein and metabolic networks that are responsible for the initiation of the correct developmental transitions at the right time of the year to ensure plant life success. New omic technologies are allowing the acquisition of massive amount of data to develop holistic and integrative analysis to understand complex processes. Among them, Microarray, Next-generation Sequencing (NGS) and Proteomics are providing enormous amount of data from different plant species and developmental stages, thus allowing the analysis of gene networks globally. Besides, the comparison of molecular networks from different species is providing information on their evolutionary history, shedding light on the origin of many key genes/proteins. Moreover, developmental processes are not only genetically programed but are also affected by internal and external signals. Metabolism, light, hormone action, temperature, biotic and abiotic stresses, etc. have a deep effect on developmental programs. The interface and interplay between these internal and external circuits with developmental programs can be unraveled through the integration of systematic experimentation with the computational analysis of the generated omics data (Molecular Systems Biology). This Research Topic intends to deepen in the different plant developmental pathways and how the corresponding gene networks evolved from a Molecular Systems Biology perspective. Global approaches for photoperiod, circadian clock and hormone regulated processes; pattern formation, phase-transitions, organ development, etc. will provide new insights on how plant complexity was built during evolution. Understanding the interface and interplay between different regulatory networks will also provide fundamental information on plant biology and focus on those traits that may be important for next-generation agriculture.
Jasmonate Signaling
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Author : Alain Goossens
language : en
Publisher: Humana
Release Date : 2016-08-23
Jasmonate Signaling written by Alain Goossens and has been published by Humana this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-23 with Science categories.
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.