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This is the first comprehensive monograph on all emerging topics in plant signaling. The book addresses diverse aspects of signaling at all levels of plant organization. Emphasis is placed on the integrative aspects of signaling.
This volume contains papers on anatomy, physiology and action of stomata.
Volume 33 reviews the current understanding of ion channel regulation by signal transduction pathways. Ion channels are no longer viewed simply as the voltage-gated resistors of biophysicists or the ligand-gated receptors of biochemists. They have been transformed during the past 20 years into signaling proteins that regulate every aspect of cell physiology. In addition to the voltage-gated channels, which provide the ionic currents to generate and spread neuronal activity, and the calcium ions to trigger synaptic transmission, hormonal secretion, and muscle contraction, new gene families of ion channel proteins regulate cell migration, cell cycle progression, apoptosis, and gene transcription, as well as electrical excitability. Even the genome of the lowly roundworm Caenorhabditis elegans encodes almost 100 distinct genes for potassium-selective channels alone. Most of these new channel proteins are insensitive to membrane potential, yet in humans, mutations in these genes disrupt development and increase individual susceptibility to debilitating and lethal diseases.How do cells regulate the activity of these channels? How might we restore their normal function? In Ion Channel Regulation, many of the experts who pioneered these discoveries provide detailed summaries of our current understanding of the molecular mechanisms that control ion channel activity. - Reviews brain functioning at the fundamental, molecular level - Describes key systems that control signaling between and within cells - Explains how channels are used to stimulate growth and changes to activity of the nucleus and genome
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
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.
The second edition of this popular work provides a comprehensive account of all aspects of stomatal biology. The substantially revised text is thoroughly up to date and well illustrated with numerous line illustrations, photographs and comprehensive tables. The theory of gaseous diffusion through stomata is reviewed in a new chapter and sections on signal perception and transduction, guard cell ionic relations and guard cell metabolism have been added. A concluding chapter reviews the genetics and molecular biology of stomata. This work provides a comprehensive reference text which will appeal to advanced students, post-graduates and lecturers in plant physiology.
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.
Increasing interest has been emerging in the last decade in the field of signal recognition and transduction. This is particularly true for animal systems where an impressive amount of literature is appearing and where many important pathways have been clarified at a molecular level. In the elucidation of the functions of single components of a given pathway, gene cloning has played a major role and opened the field to the genetic engineering of these complex systems. At variance with this situation, plant systems are less well elucidated, even if in recent years exciting research of developments have been initiated especially with the view toward the most promising role plants in biotechnology. Recent studies have elucidated some of the events involved in the perception of the plant hormone signals and some steps concerning its transduction. Only for three of the five hormones in plants, namely auxin, ethylene and cytokinins, have specific receptors been isolated. The use of classical molecular approaches, together with the more recently isolated mutants, have produced crucial information on receptors and shed light on possible transduction pathways. As in the case of red light, more than one pathway can be triggered by one specific signal. Many systems involved in animal signaling are now shown to be present also in plants, and in view of the fast progress in this area, it will be possible in the near future to fully describe the content of the "black boxes" in the reaction chain specifically triggered by a signal.