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The importance of the plant growth regulator auxin for plant growth has long been recognized, even before the discovery of its chemical structures in the early 20th century. Physiological studies in the decades since have demonstrated that auxin is unidirectionally transported in plants, a process dubbed polar auxin transport. It is the polar auxin transport process that generates a local auxin concentration gradient and regulates a broad array of physiological and developmental processes. The discoveries of auxin transport carrier proteins that mediate auxin influx into and efflux out of transport-competent cells and auxin receptor proteins for auxin signaling in the last few decades represent significant milestones in auxin research and open up opportunities to probe the cellular and molecular processes that regulate auxin transport and integrate environmental cues with signaling processes. Remarkably, components of the polar auxin transport machinery are present in both lower plants such as mosses and higher plants including monocots and eudicots, illustrating the key role of polar auxin transport in plant evolution. This book highlights topics ranging from physiological and genetic studies of polar auxin transport in plant development, to growth responses to the environment and plant-microbe interactions, to hormonal cross-talks with various cellular and molecular regulatory processes essential for polar auxin transport.
Table des matières
Signaling and Communication in Polar Auxin Transport.- Polar Auxin Transport: Directional Auxin Trafficking and Intracellular Auxin Signaling for Plant Development And Response.- Signal Integration, Auxin Homeostasis and Plant Development.- Regulation of Polar Auxin Transport by Protein Phosphorylation.- Control of Auxin Transport by Reactive Oxygen and Nitrogen Species.- Hormonal Regulation of Polar Auxin Transport.- Auxin Transport and Signaling in Vascular Patterning.- Regulation of Polar Auxin Transport by Protein-Protein Interactions.- Auxin Transport and Distribution for Gravimorphogenesis in Plants.- Polar Auxin Transport Regulation in Plant-Microbe Interactions.- Polar Auxin Transport and Auxin Biosynthesis in Maize Coleoptiles.- Auxin Transport and Compound Leaf Development in Legumes.- From Auxin Transport to Patterning.- Plant Competition: Light Signals Control Polar Auxin Transport.- Auxin Transport and Temperature Stress: Molecular and Cellular Perspectives.- Flavonoids in Signalling and Development.
Résumé
The importance of the plant growth regulator auxin for plant growth has long been recognized, even before the discovery of its chemical structures in the early 20th century. Physiological studies in the decades since have demonstrated that auxin is unidirectionally transported in plants, a process dubbed polar auxin transport. It is the polar auxin transport process that generates a local auxin concentration gradient and regulates a broad array of physiological and developmental processes. The discoveries of auxin transport carrier proteins that mediate auxin influx into and efflux out of transport-competent cells and auxin receptor proteins for auxin signaling in the last few decades represent significant milestones in auxin research and open up opportunities to probe the cellular and molecular processes that regulate auxin transport and integrate environmental cues with signaling processes. Remarkably, components of the polar auxin transport machinery are present in both lower plants such as mosses and higher plants including monocots and eudicots, illustrating the key role of polar auxin transport in plant evolution. This book highlights topics ranging from physiological and genetic studies of polar auxin transport in plant development, to growth responses to the environment and plant-microbe interactions, to hormonal cross-talks with various cellular and molecular regulatory processes essential for polar auxin transport.
