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Related Experiment Videos

The jasmonate biochemical pathway.

Robin Liechti1, Edward E Farmer

  • 1Gene Expression Laboratory, Plant Molecular Biology, Faculty of Biology and Medicine, 1015 Lausanne, Switzerland.

Science'S STKE : Signal Transduction Knowledge Environment
|October 10, 2003
PubMed
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Jasmonates are plant regulators derived from fatty acids, crucial for defense and development. Research is uncovering new jasmonate family members and their roles in plant immunity and fertility.

Area of Science:

  • Plant Biology
  • Biochemistry
  • Molecular Biology

Background:

  • Plants utilize a family of fatty acid-derived compounds called jasmonates.
  • These regulators are involved in plant defense mechanisms and developmental processes.
  • Jasmonates originate from tri-unsaturated fatty acids like alpha-linolenic acid.

Purpose of the Study:

  • To provide an overview of the jasmonate biochemical pathway.
  • To highlight the roles of jasmonates in plant immune responses and development.
  • To emphasize the ongoing discovery of new jasmonate family members and their functions.

Main Methods:

  • The study describes the enzymatic steps in jasmonate synthesis, starting with lipoxygenase.
  • Key intermediates such as 12-oxo-phytodienoic acid (OPDA) and jasmonic acid (JA) are discussed.

Related Experiment Videos

  • Genetic dissection of the pathway is employed to understand jasmonate functions.

    • Main Results:

    • Jasmonate synthesis is initiated by the oxygenation of alpha-linolenic acid.
    • OPDA and JA are central regulatory lipids with diverse roles.
    • JA regulates plant fertility and mediates defense gene expression.

    Conclusions:

    • The jasmonate family plays critical roles in plant immunity, development, and reproduction.
    • Further research into new jasmonates will enhance understanding of gene expression control.
    • Jasmonates are essential for long-distance signaling in response to wounding.