University of Cambridge > Talks.cam > Plant Sciences Talks > Drought-Induced Abscisic Acid Signaling Specificity and Atmospheric CO2 Sensing in Plants

Drought-Induced Abscisic Acid Signaling Specificity and Atmospheric CO2 Sensing in Plants

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Julian Schroeder’s research is directed at elucidating signal transduction mechanisms and pathways that mediate resistance to environmental abiotic stresses in plants linked to water. Water-linked stresses have substantial negative impacts and reduce plant growth. His research is elucidating the mechanisms mediating gas exchange regulation in plants via stomatal pores through which plants lose 95% of their water via transpiration. His seminar will focus on characterization of mechanisms mediating stomatal closing in plants in response to drought and elevated atmospheric CO2 . Newly identified stomatal guard cell signal transduction mechanisms mediated by drought, the stress hormone abscisic acid and the continuing rise in atmospheric CO2 will be described. In addition, identification of mechanisms through which elevated CO2 down-regulates the stomatal development machinery will be presented. In his early research Julian pioneered the identification and characterization of many of the known major ion channel classes in plants and key ion channel regulation mechanisms in plants. He developed the model for how these different plant ion channels function within a network towards controlling plant cell responses, in particular guard cells, which regulate stomatal apertures in plants.

This talk is part of the Plant Sciences Talks series.

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