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An siRNA pathway prevents transgenerational retrotransposition in plants subjected to stress

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  • Hidetaka Ito

    (University of Geneva, Sciences III, 30 Quai Ernest-Ansermet
    Present addresses: Division of Biological Sciences, Graduate School of Science, Hokkaido University, 060-0810 Sapporo, Japan (H.I.); Botanical Institute, Hebelstrasse 1, CH-4056 Basel, Switzerland (E.B.); Institut de Recherche pour le Développement (IRD), UMR DIADE, Plant Diversity, Adaptation and Development Laboratory, Université Montpellier 2, 911 Avenue Agropolis, 34394 Montpellier, France (M.M.); Centre National de la Recherche Scientifique (CNRS), UMR 6247 - GReD - INSERM U 931, Clermont Université, 24 avenue des Landais, BP 80026, 63171 Aubière, France (I.V.).)

  • Hervé Gaubert

    (University of Geneva, Sciences III, 30 Quai Ernest-Ansermet)

  • Etienne Bucher

    (University of Geneva, Sciences III, 30 Quai Ernest-Ansermet
    Present addresses: Division of Biological Sciences, Graduate School of Science, Hokkaido University, 060-0810 Sapporo, Japan (H.I.); Botanical Institute, Hebelstrasse 1, CH-4056 Basel, Switzerland (E.B.); Institut de Recherche pour le Développement (IRD), UMR DIADE, Plant Diversity, Adaptation and Development Laboratory, Université Montpellier 2, 911 Avenue Agropolis, 34394 Montpellier, France (M.M.); Centre National de la Recherche Scientifique (CNRS), UMR 6247 - GReD - INSERM U 931, Clermont Université, 24 avenue des Landais, BP 80026, 63171 Aubière, France (I.V.).)

  • Marie Mirouze

    (University of Geneva, Sciences III, 30 Quai Ernest-Ansermet
    Present addresses: Division of Biological Sciences, Graduate School of Science, Hokkaido University, 060-0810 Sapporo, Japan (H.I.); Botanical Institute, Hebelstrasse 1, CH-4056 Basel, Switzerland (E.B.); Institut de Recherche pour le Développement (IRD), UMR DIADE, Plant Diversity, Adaptation and Development Laboratory, Université Montpellier 2, 911 Avenue Agropolis, 34394 Montpellier, France (M.M.); Centre National de la Recherche Scientifique (CNRS), UMR 6247 - GReD - INSERM U 931, Clermont Université, 24 avenue des Landais, BP 80026, 63171 Aubière, France (I.V.).)

  • Isabelle Vaillant

    (University of Geneva, Sciences III, 30 Quai Ernest-Ansermet
    Present addresses: Division of Biological Sciences, Graduate School of Science, Hokkaido University, 060-0810 Sapporo, Japan (H.I.); Botanical Institute, Hebelstrasse 1, CH-4056 Basel, Switzerland (E.B.); Institut de Recherche pour le Développement (IRD), UMR DIADE, Plant Diversity, Adaptation and Development Laboratory, Université Montpellier 2, 911 Avenue Agropolis, 34394 Montpellier, France (M.M.); Centre National de la Recherche Scientifique (CNRS), UMR 6247 - GReD - INSERM U 931, Clermont Université, 24 avenue des Landais, BP 80026, 63171 Aubière, France (I.V.).)

  • Jerzy Paszkowski

    (University of Geneva, Sciences III, 30 Quai Ernest-Ansermet)

Abstract

How plants handle heat stress The transcription of repetitive elements such as retrotransposons — mobile genetic elements constituting more than 40% and 60% of the human and maize (corn) genomes, respectively — is normally repressed, to prevent their unchecked dissemination throughout the genome. Ito et al. show that heat stress in Arabidopsis plants induces transcription of the ONSEN retroelement. Accumulation of ONSEN is suppressed by small interfering RNAs (siRNAs). In the absence of siRNAs, new ONSEN insertions appear in the progeny, having transposed during differentiation. These results imply a memory of stress that is counteracted by siRNAs, providing a way of preventing transgenerational retrotransposition in plants facing environmental stress.

Suggested Citation

  • Hidetaka Ito & Hervé Gaubert & Etienne Bucher & Marie Mirouze & Isabelle Vaillant & Jerzy Paszkowski, 2011. "An siRNA pathway prevents transgenerational retrotransposition in plants subjected to stress," Nature, Nature, vol. 472(7341), pages 115-119, April.
    • Handle: RePEc:nat:nature:v:472:y:2011:i:7341:d:10.1038_nature09861
    DOI: 10.1038/nature09861
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    Cited by:

    1. Li He & Huan Huang & Mariem Bradai & Cheng Zhao & Yin You & Jun Ma & Lun Zhao & Rosa Lozano-Durán & Jian-Kang Zhu, 2022. "DNA methylation-free Arabidopsis reveals crucial roles of DNA methylation in regulating gene expression and development," Nature Communications, Nature, vol. 13(1), pages 1-16, December.

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