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Distinct Pathways of Regulation Seed Dormancy and Germination by Abscisic Acid

Author

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  • Obroucheva NV
  • Lityagina SV
  • Sinkevich IA

    (Institute of plant physiology of Russian Academy of Sciences, Russia)

Abstract

Abscisic Acid (ABA) is the phytohormone inducing seed dormancy, whereas seed germination occurs at low ABA concentration. Two pathways of their regulation are considered. One represents ABA reception and its signal transduction to ABA-responsive genes to induce dormancy genes, a modification of this way leading to germination in the absence of ABA. Another way suggests direct ABA inhibition of plasma-membrane H+-ATPase in dormant seeds that prevents germination and its activation in the absence of ABA, thus promoting seed germination.

Suggested Citation

  • Obroucheva NV & Lityagina SV & Sinkevich IA, 2019. "Distinct Pathways of Regulation Seed Dormancy and Germination by Abscisic Acid," International Journal of Cell Science & Molecular Biology, Juniper Publishers Inc., vol. 5(4), pages 74-78, January.
    • Handle: RePEc:adp:ijcsmb:v:5:y:2019:i:4:p:74-78
    DOI: 10.19080/IJCSMB.2019.04.555667
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    References listed on IDEAS

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    1. Noriyuki Nishimura & Wataru Tsuchiya & James J. Moresco & Yuki Hayashi & Kouji Satoh & Nahomi Kaiwa & Tomoko Irisa & Toshinori Kinoshita & Julian I. Schroeder & John R. Yates & Takashi Hirayama & Tosh, 2018. "Control of seed dormancy and germination by DOG1-AHG1 PP2C phosphatase complex via binding to heme," Nature Communications, Nature, vol. 9(1), pages 1-14, December.
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