Plant Physiology 143 Aquaporins mediate regulation of water transport in response to multiple environmental and hormonal stimuli. To date, the function and regulation of aquaporins is quite extensively integrated to explain the remarkable hydraulic properties of plants. In addition to water, AQPs can facilitate the efficient and selective flux of various small solutes involved in numerous essential processes across membranes. Aquaporins (AQPs) are membrane channel proteins regulating the flux of water and other various small solutes across membranes. Sorted by: Results 1 - 10 of 29. Water Homeostasis! Water perception, Drought stress, Plant water relations, Stomatal regulation, Aquaporins, Hydropatterning JOURNAL OF PLANT RESEARCH PeTIP4;1-1, an aquaporin gene isolated from moso bamboo (Phyllostachys edulis), comprises an open reading frame (ORF) of 756 bp encoding a peptide of 251 amino acids. The role of aquaporins (AQP) in improving the growth and adaptation of crop plants under drought stress is of importance. The genomic sequence corresponding to the ORF of PeTIP4;1-1 was 1777 bp and contained three In this study, we examined the role of ectomycorrhizal fungi in plant water relations and plant hormonal balance under mild drought using split-root seedlings of In general, there are three ways by which water Aquaporins are responsible for precisely regulating the movement of water and therefore may play a crucial role in the drought-stress response as well as in drought-stress tolerance . Thus, aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. In particular, he completed an MSc degree in the field of Genetic Improvement and Plant Physiology in 2001 and awarded his PhD degree in 2004. They contribute to several plant growth and developmental processes such as seed germination or emergence of lateral roots. The movement of molecules and ions into and out of cells is controlled by the plasma membrane as a critical process for cell stability and survival, maintaining essential differences between the Plant aquaporins are localized in the plasma membrane, endoplasmic A role for intracellular aquaporins in plant cell osmoregulation has also been proposed [1416]. Thus, the functional characterization of plant aquaporins shortly after the pioneering work of Preston et al. Aquaporins are channel proteins present in the plasma and intracellular membranes of plant cells, where they facilitate the transport of water and/or small neutral solutes (urea, boric acid, silicic acid) or gases (ammonia, carbon dioxide). Plant Physiology 1995; 109:331335 PMID: 12228599 46. .Aquaporins play a central role in numerous physiological processes throughout plant growth and development. Start Over. Plant Physiology and Biochemistry Laboratory, Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India. Aquaporins (AQPs) are a class of small, membrane channel proteins present in a wide range of organisms. They allow aquaporin regulation in response to multiple environmental and hormonal stimuli. Water Homeostasis? Next 10 . multifunctional water and solute channels with expanding roles. Next 10 . The non-living variable must influence the environment beyond its normal range of variation to adversely affect the population performance or individual physiology of the organism in a significant way. General significance This book will summarize the recent advances regarding plant aquaporins, their phylogeny, structure, You searched for: Publication Year 2022 Remove constraint Publication Year: 2022 Subject aquaporins Remove constraint Subject: aquaporins. They contribute to several plant growth and developmental processes such as seed germination or emergence of lateral roots. He was appointed as contract Assistant Professor in the Technological Educational Institution of Thessaloniki and in the Technological Educational Institution of West Macedonia. The mechanisms that determine the gating and subcellular localization of plant aquaporins are extensively studied. Aquaporins are channel proteins present in the plasma and intracellular membranes of plant cells, where they facilitate the transport of water and/or small neutral solutes (urea, boric acid, silicic acid) or gases (ammonia, carbon dioxide). They facilitate the rapid, passive exchange of water across cell membranes and are responsible for up to 95% of the water permeability of plasma membranes (Henzler and Steudle, 2004). Water relations are fundamental to sustainable plant growth and productivity, which are frequently challenged by reduced water availability and to developmental processes. [2] on human AQP1 opened unprecedented perspectives in the field of plant water relations. They allow aquaporin regulation in response to multiple environmental and hormonal stimuli. The plasma membrane forms a permeable barrier that separates the cytoplasm from the external environment, defining the physical and chemical limits in each cell in all organisms. The family of aquaporins, also called water channels or major intrinsic proteins, is characterized by six transmembrane domains that together facilitate the transport of water and a variety of low molecular weight solutes. This review focuses on the roles of AQPs in plant immunity, pathogenicity, and communications during plant-pathogen interaction. Aquaporins are channel proteins that facilitate the diffusion of water and small uncharged solutes across cellular membranes. Plant aquaporins consists of a large family with 35, 33, 28 and 71 homologues in Arabidopsis, rice, grapes and cotton respectively [1317]. Aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. Environmental and The molecular functions of several aquaporins are well characterized (e.g., by analysis of aquaporin-expressing Xenopus oocytes).
Plants initiate molecular, cellular and physiological changes to respond and adapt to various types of abiotic stress. Aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves.
CiteSeerX - Scientific documents that cite the following paper: Venisse J-S, Barigah TS, Brunel N, Herbette S, Guilliot A, Tyree MT, Sakr S. 2007. 3.Nutrient homeostatis between root nodule forming bacteria and host legumes. 2014;1840(5):157482. The molecular functions of several aquaporins are well characterized (e.g., by analysis of aquaporin-expressing Xenopus oocytes). Thus, aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. View Article The integrated function of aquaporins in all these processes and more generally in plant water relations is the object of intensive ongoing research, which will not be reviewed here. One of the most common and early symptoms associated with these stresses is the disturbance in plant-water homeostasis, which is regulated by a group of proteins called "aquaporins". We discuss the diversity of plant aquaporin isoforms, of their substrates and cellular localizations. They allow aquaporin regulation in response to multiple environmental and hormonal stimuli. You searched for: Publication Year 2022 Remove constraint Publication Year: 2022 Subject aquaporins Remove constraint Subject: aquaporins. 2002; 25: 173194. Redragon Fizz K617-R Rainbow .: 225734 , . Plant Physiology 143 Putative role of aquaporins in variable hydraulic conductance of leaves in response to light. However, their significance in the physiology of water transport in multicellular organisms remains uncertain. made on plant aquaporins in recent years, pointing to their molecular and physiological specicities with respect to animal or microbial counterparts. Aquaporins mediate regulation of water transport in response to multiple environmental and hormonal stimuli. Understanding of plant response mechanisms will aid in strategies aimed at improving stress tolerance in crop plants. Plant aquaporins form a large family of highly divergent proteins that are involved in many different physiological processes. They are found in all domains of life, but show their highest diversity in The present review focuses on the most recent findings concerning the molecular and cellular properties of plant aquaporins. In plants, AQPs can mediate H 2 O 2 transport across plasma membranes (PMs) and contribute to the activation of plant defenses by inducing pathogen-associated molecular pattern (PAMP)-triggered immunity and systemic acquired resistance (SAR), followed by downstream defense reactions. , . The tobacco plasma membrane aquaporin NtAQP1 was used to elucidate this issue. Citation in PubAg 97; Journal. The non-living variable must influence the environment beyond its normal range of variation to adversely affect the population performance or individual physiology of the organism in a significant way. Since PIP aquaporins are key components influencing the water balance of plants because of their involvement in root water uptake and tissue hydraulic conductance, the aim of . Understanding of plant response mechanisms will aid in strategies aimed at improving stress tolerance in crop plants. The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. 21. 1574-1582 ISSN: 0304-4165 The multiplicity of aquaporins in plants reflects a high diversity of cellular localizations and substrates. The present review examines Impairment of the cellulose degradation machinery enhances Fusarium oxysporum virulence but limits its reproductive fitness. REVIEW PAPER Role of aquaporins in leaf physiology by Robert B. Heinen, Qing Ye, Francxois Chaumont Playing a key role in plant growth and development, leaves need to be continuously supplied with water and carbon dioxide to fulfil their photosynthetic function. However, their significance in the physiology of water transport in multicellular organisms remains uncertain.
They allow aquaporin regulation in response to multiple environmental and hormonal stimuli. The multiplicity of aquaporins in plants reflects a high diversity of cellular localizations and substrates. Sorted by: Results 1 - 10 of 29. Grondin A, Mauleon R, Vadez V, Henry A. Root aquaporins contribute to whole plant water fluxes under drought stress in rice ( Oryza sativa L.). Plant Cell Environ. 2016;39:34765. Ueda M, Tsutsumi N, Fujimoto M. Salt stress induces internalization of plasma membrane aquaporin into the vacuole in Arabidopsis thaliana. The present review examines Aquaporins are a key player in plantwater relationships and are involved in the response of plants to environmental stress . Plant Cell Environ. Aquaporins are water channel proteins of intracellular and plasma membranes that play a crucial role in plant water relations. We emphasize their physiological functions with respect to whole plant hydraulics, plant Understanding of plant response mechanisms will aid in strategies aimed at improving stress tolerance in crop Start Over. Abiotic stress is the negative impact of non-living factors on the living organisms in a specific environment. Significant progress has been made in understanding the roles of AQPs in plants physiological processes, and now their activities in various plantmicrobe interactions are receiving more attention.
They allow aquaporin regulation in response to multiple environmental and hormonal stimuli. Thus, aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. They contribute to several plant growth and developmental processes such as seed germination or emergence of lateral roots. More generally, aquaporins provide valuable spatial markers to explore the intricate flows of water and solutes that play a critical role throughout all plant development or in the response of plants to various biotic or abiotic stresses Water perception, Drought stress, Plant water relations, Stomatal regulation, Aquaporins, Hydropatterning They contribute to several plant growth and developmental processes such as seed germination or emergence of lateral roots. Toggle facets Limit your search Text Availability. Postaire O, Tournaire-Roux C, Grondin A, Boursiac Y, Morillon R, Schaffner AR, Maurel C. A PIP1 aquaporin contributes to hydrostatic pressure-induced water transport in both the root and rosette of Arabidopsis. Plant Physiol. 2010;152:141830. Functions and physiological roles of plant aquaporins. A growing body of evidence now shows that AQPs are important regulators of plant-pathogen interaction, Plant, Cell and Environment 25:173 (2002) by S D Tyerman, C M Niemietz, H Bramley Add To MetaCart. Plant, Cell and Environment 25:173 (2002) by S D Tyerman, C M Niemietz, H Bramley Add To MetaCart. Aquaporins (AQP) are channel proteins belonging to the Major Intrinsic Protein (MIP) superfamily that play an important role in plant water relations. Li G, Santoni V, Maurel C. Plant aquaporins: Roles in plant physiology. Aquaporins are membrane channels that facilitate the transport of water and small neutral molecules across biological membranes of most living organisms. Biochim Biophys ActaGen Subj. Tools. Understanding of plant response mechanisms will aid in strategies aimed at improving stress tolerance in crop
Abiotic stress has become a challenge to food security due to occurrences of climate change and environmental degradation. Combined genetic and physiological approaches are now integrating this knowledge, showing that aquaporins play key roles in hydraulic regulation in roots and leaves, during drought but also in response to stimuli as diverse as flooding, nutrient availability, temperature, or light. They allow aquaporin regulation in response to multiple environmental and hormonal stimuli. A transcriptome analysis of the leaf and root tissues in plant species revealed significant changes in the expression of the TIP genes in response to drought stress.
Ranganathan K, Walid EK, Cooke JEK, Equiza MA, Vaziriyeganeh M, Zwiazek JJ. Over-expression of PIP2;5 aquaporin alleviates gas exchange and growth inhibition in poplars exposed to mild osmotic stress with polyethylene glycol. Acta Physiol Plant. 2017;39:187. 88. The relatively better performance of mycorrhizal plants subjected to drought stress has commonly been linked to improved root water uptake through the fungal regulation of plant aquaporins and hormones. FUNCTIONS OF PLANT AQUAPORINS 1.Water transport in plant roots and leaves 2.Plant nutrient acquisition. They are also required for plant growth and development. The large number of aquaporin genes identified in plant genomes compared to those from other organisms suggests that they play a major role in plant water relations. AQPs play important roles in plant water relations, cell turgor pressure maintenance, the hydraulic regulation of roots and leaves, and in leaf transpiration, root water uptake, and plant responses to multiple biotic and abiotic stresses. Putative role of aquaporins in variable hydraulic conductance of leaves in response to light. Thus, aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. Thus, aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. Tools. This review summarizes the Citation in PubAg 97; Journal. Plant aquaporins: multifunctional water and solute channels with expanding roles. PMID: 11841662 8. CiteSeerX - Scientific documents that cite the following paper: Venisse J-S, Barigah TS, Brunel N, Herbette S, Guilliot A, Tyree MT, Sakr S. 2007. They contribute to several plant growth and developmental processes such as seed germination or emergence of lateral roots. Toggle facets Limit your search Text Availability. Plants initiate molecular, cellular and physiological changes to respond and adapt to various types of abiotic stress. Plant aquaporins: multifunctional water and solute channels with expanding roles. The tobacco plasma membrane aquaporin NtAQP1 was used to elucidate this issue. Recent progress was made in understanding the molecular bases of aquaporin transport selectivity and gating. Thus, aquaporins play key roles in hydraulic regulation and nutrient transport in roots and leaves. [11], cell elongation [12], and seed germination [13].
20. One of the most common and early symptoms associated with these stresses is the disturbance in plant-water homeostasis, which is regulated by a group of proteins called "aquaporins". Aquaporins are integral membrane proteins of the major intrinsic protein (MIP) family, which permeabilize membranes for the passage of water Abiotic stress has become a challenge to food security due to occurrences of climate change and environmental degradation. In plants, aquaporins occur as multiple isoforms reflecting a high diversity of cellular localizations, transport selectivity, and regulation properties. Abiotic stress is the negative impact of non-living factors on the living organisms in a specific environment. Plant aquaporins: Roles in plant physiology Author: Li, Guowei, Santoni, Vronique, Maurel, Christophe Source: BBA - General Subjects 2014 v.1840 pp. Environmental and Evidence is accumulating that AQPs play an important role in plant hydraulic relations at the cell, tissue, organ, and whole plant level. Recent progress was made in understanding the molecular bases of aquaporin transport selectivity and gating. On the other hand, pathogens utilize aquaporins to mediate reactive oxygen species (ROS) signaling and regulate their normal growth, development, secondary or specialized metabolite production and pathogenicity. Water perception, Drought stress, Plant water relations, Stomatal regulation, Aquaporins, Hydropatterning The main role of aquaporins in plants is transport of water and other small neutral