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Guard cell abscisic acid signalling and engineering drought hardiness in plants

Author

Listed:
  • Julian I. Schroeder

    (Cell and Developmental Biology Section, University of California, San Diego)

  • June M. Kwak

    (Cell and Developmental Biology Section, University of California, San Diego)

  • Gethyn J. Allen

    (Cell and Developmental Biology Section, University of California, San Diego)

Abstract

Guard cells are located in the epidermis of plant leaves, and in pairs surround stomatal pores. These control both the influx of CO2 as a raw material for photosynthesis and water loss from plants through transpiration to the atmosphere. Guard cells have become a highly developed system for dissecting early signal transduction mechanisms in plants. In response to drought, plants synthesize the hormone abscisic acid, which triggers closing of stomata, thus reducing water loss. Recently, central regulators of guard cell abscisic acid signalling have been discovered. The molecular understanding of the guard cell signal transduction network opens possibilities for engineering stomatal responses to control CO2 intake and plant water loss.

Suggested Citation

  • Julian I. Schroeder & June M. Kwak & Gethyn J. Allen, 2001. "Guard cell abscisic acid signalling and engineering drought hardiness in plants," Nature, Nature, vol. 410(6826), pages 327-330, March.
    • Handle: RePEc:nat:nature:v:410:y:2001:i:6826:d:10.1038_35066500
    DOI: 10.1038/35066500
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    Cited by:

    1. Dirk Zoebl, 2002. "Crop water requirements revisited: The human dimensions of irrigation science and crop water management with special reference to the FAO approach," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 19(3), pages 173-187, September.
    2. Pettijohn, Justin C. & Salvucci, Guido D. & Phillips, Nathan G. & Daley, Michael J., 2009. "Mechanisms of moisture stress in a mid-latitude temperate forest: Implications for feedforward and feedback controls from an irrigation experiment," Ecological Modelling, Elsevier, vol. 220(7), pages 968-978.

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