Interactions In Stomatal Function
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Interactions In Stomatal Function
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Author : Pedro Jose Aphalo
language : en
Publisher:
Release Date : 1991
Interactions In Stomatal Function written by Pedro Jose Aphalo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Ivy categories.
Interactions In Stomatal Function
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Author : Pedro Jose Aphalo
language : en
Publisher:
Release Date : 1991
Interactions In Stomatal Function written by Pedro Jose Aphalo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Ivy categories.
Stomatal Function
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Author : Eduardo Zeiger
language : en
Publisher: Stanford University Press
Release Date : 1987
Stomatal Function written by Eduardo Zeiger and has been published by Stanford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
Signal Transduction In Stomatal Guard Cells
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Author : Agepati S Raghavendra
language : en
Publisher: Frontiers Media SA
Release Date : 2017-05-03
Signal Transduction In Stomatal Guard Cells written by Agepati S Raghavendra 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 2017-05-03 with categories.
Stomata, the tiny pores on leaf surface, are the gateways for CO2 uptake during photosynthesis as well as water loss in transpiration. Further, plants use stomatal closure as a defensive response, often triggered by elicitors, to prevent the entry of pathogens. The guard cells are popular model systems to study the signalling mechanism in plant cells. The messengers that mediate closure upon perception of elicitors or microbe associated molecular patterns (MAMPs) are quite similar to those during ABA effects. These components include reactive oxygen species (ROS), nitric oxide (NO), cytosolic pH and intracellular Ca2+. The main components are ROS, NO and cytosolic free Ca2+. The list extends to others, such as G-proteins, protein phosphatases, protein kinases, phospholipids and ion channels. The sequence of these signalling components and their interaction during stomatal signalling are complex and quite interesting. The present e-Book provides a set of authoritative articles from ‘Special Research Topic’ on selected areas of stomatal guard cells. In the first set of two articles, an overview of ABA and MAMPs as signals is presented. The next set of 4 articles, emphasize the role of ROS, NO, Ca2+ as well as pH, as secondary messengers. The next group of 3 articles highlight the recent advances on post-translational modification of guard cell proteins, with emphasis on 14-3-3 proteins and MAPK cascades. The last article described the method to isolate epidermis of grass species and monitor stomatal responses to different signals. Our e-Book is a valuable and excellent source of information for all those interested in guard cell function as well as signal transduction in plant cells.
Cell Wall Related And Biomechanics Mechanisms In Stomatal Function And Development
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Author : Yintong Chen
language : en
Publisher:
Release Date : 2021
Cell Wall Related And Biomechanics Mechanisms In Stomatal Function And Development written by Yintong Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Stomata are microscopic pores on the leaf surface that are flanked by guard cells. The degree to which stomata are open or closed controls the rate of CO2 influx and water loss in plants and is important for plant physiology. Homogalacturonan (HG) is a major component of the guard cell wall and its proper metabolism is required for normal stomatal dynamics; however, the function of HG in guard cell mechanics is elusive. Employing genetic, physiological, mechanical, modeling, and biochemical approaches, we revealed that an HG degrading enzyme, PECTATE LYASE-LIKE12, contributes to the softening of guard cell walls by reducing calcium crosslinkable HG and unexpectedly is required for proper pressurization of guard cells. Our findings expand the understanding of HG metabolism in stomatal dynamics and aid in elucidating the mechanisms underlying stomatal function. As a leaf develops, stomatal conductance first increases then decreases, suggesting that stomatal dynamics change over the course of development. However, the maturation process of guard cells is not yet well defined, which limits our understanding of the mechanical changes that occur in developing stomata. Using time-series imaging, plasmolysis, and cell ablation, we ruled out cell wall mechanics and turgor pressure as factors contributing to wider dynamic range in mature stomata and discovered that mature stomata are more open than young stomata because they are locked in an open state. These results expand our knowledge of the mechanical changes that occur as stomatal guard cells age. The "see-saw" hypothesis proposes that opposing changes in turgor pressure between guard cells and subsidiary cells is the reason that grass stomata, which consist of narrow guard cells flanked by larger subsidiary cells, have faster stomatal dynamics than eudicot stomata, which are flanked by wider, kidney-shaped guard cells. A similar hypothesis is proposed for Arabidopsis stomata, which are surrounded by puzzle piece-shaped pavement cells, but neither of these hypotheses have been empirically tested. Using time-series imaging, we observed distinct behaviors between neighboring and non-neighboring pavement cells during stomatal opening and closing. Ablating pavement cells results in stomatal complexes becoming wider and shorter, suggesting the presence of a compression force from the flanking side which might originate from pavement cells, but the mechanical impacts of junctional side pavement cells that abut the top and bottom of each stomatal complex remain to be elucidated. Data collected in this project will be combined with computational mechanical modeling to characterize and predict the mechanical interactions between guard cells and surrounding cells. In summary, the data collected in these projects have revealed mechanical mechanisms underlying the influence of cell wall modification and stomatal maturation on stomatal dynamics, and shed light on the mechanical impacts of interactions between guard cells and pavement cells in determining stomatal geometry. These findings open new potential avenues for improving stomatal function and water use efficiency in plants.
Linking Stomatal Development And Physiology From Stomatal Models To Non Model Species And Crops
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Author : Caspar Christian Cedric Chater
language : en
Publisher: Frontiers Media SA
Release Date : 2021-11-26
Linking Stomatal Development And Physiology From Stomatal Models To Non Model Species And Crops written by Caspar Christian Cedric Chater 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 2021-11-26 with Science categories.
Biology Controls And Models Of Tree Volatile Organic Compound Emissions
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Author : Ülo Niinemets
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-07-08
Biology Controls And Models Of Tree Volatile Organic Compound Emissions written by Ülo Niinemets 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 2013-07-08 with Nature categories.
Plant-driven volatile organic compound (BVOC) emissions play a major role in atmospheric chemistry, including ozone and photochemical smog formation in the troposphere, and they extend the atmospheric lifetime of the key greenhouse gas, methane. Furthermore, condensation of photo-oxidation products of BVOCs leads to formation of secondary organic aerosols with profound implications for the earth's solar radiation budget and climate. Trees represent the plant life form that most contributes to BVOC emissions, which gives global forests a unique role in regulating atmospheric chemistry. Written by leading experts in the field, the focus is on recent advancements in understanding the controls on plant-driven BVOC emissions, including efforts to quantitatively predict emissions using computer models, particularly on elicitation of emissions under biotic and abiotic stresses, molecular mechanisms of volatile synthesis and emission and the role of emissions in plant stress tolerance.
Mechanism Of Plant Hormone Signaling Under Stress 2 Volume Set
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Author : Girdhar K. Pandey
language : de
Publisher: John Wiley & Sons
Release Date : 2017-04-24
Mechanism Of Plant Hormone Signaling Under Stress 2 Volume Set written by Girdhar K. Pandey 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 2017-04-24 with Science categories.
Plant hormone signaling plays an important role in many physiological and developmental processes including stress response. With the advent of new post-genomic molecular techniques, the potential for increasing our understanding of the impact of hormone signaling on gene expression and adaptive processes has never been higher. Unlocking the molecular underpinnings of these processes shows great promise for the development of new plant biotechnologies and improved crop varieties. The topics included in this book emphasize on genomics and functional genomics aspects, to understand the global and whole genome level changes upon particular stress conditions. With the functional genomics tools, the mechanism of phytohormone signaling and their target genes can be defined in a more systematic manner. The integrated analysis of phytohormone signaling under single or multiple stress conditions may prove exceptional to design stress tolerant crop plants in the field conditions. Bringing together the latest advances, as well as the work being done to apply these findings to plant and crop science, Mechanism of Plant Hormone Signaling Under Stress will prove extremely useful to plant and stress biologists, plant biotechnology researchers, as well as students and teachers.
Stomatal Physiology
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Author : Paul Gordon Jarvis
language : en
Publisher: Cambridge University Press
Release Date : 1981-08-13
Stomatal Physiology written by Paul Gordon Jarvis and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981-08-13 with Medical categories.
This volume contains papers on anatomy, physiology and action of stomata.
Water Stress And Crop Plants
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Author : Parvaiz Ahmad
language : en
Publisher: John Wiley & Sons
Release Date : 2016-06-08
Water Stress And Crop Plants written by Parvaiz Ahmad 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 2016-06-08 with Science categories.
Plants are subjected to a variety of abiotic stresses such as drought, temperature, salinity, air pollution, heavy metals, UV radiations, etc. To survive under these harsh conditions plants are equipped with different resistance mechanisms which vary from species to species. Due to the environmental fluctuations agricultural and horticultural crops are often exposed to different environmental stresses leading to decreased yield and problems in the growth and development of the crops. Drought stress has been found to decrease the yield to an alarming rate of some important crops throughout the globe. During last few decades, lots of physiological and molecular works have been conducted under water stress in crop plants. Water Stress and Crop Plants: A Sustainable Approach presents an up-to-date in-depth coverage of drought and flooding stress in plants, including the types, causes and consequences on plant growth and development. It discusses the physiobiochemical, molecular and omic approaches, and responses of crop plants towards water stress. Topics include nutritional stress, oxidative stress, hormonal regulation, transgenic approaches, mitigation of water stress, approaches to sustainability, and modern tools and techniques to alleviate the water stress on crop yields. This practical book offers pragmatic guidance for scientists and researchers in plant biology, and agribusinesses and biotechnology companies dealing with agronomy and environment, to mitigate the negative effects of stress and improve yield under stress. The broad coverage also makes this a valuable guide enabling students to understand the physiological, biochemical, and molecular mechanisms of environmental stress in plants.