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Interaction of two MADS-box genes leads to growth phenotype divergence of all-flesh type of tomatoes

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  • Baowen Huang

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Guojian Hu

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Keke Wang

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Pierre Frasse

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Elie Maza

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Anis Djari

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Wei Deng

    (Chongqing University)

  • Julien Pirrello

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Vincent Burlat

    (Université de Toulouse, CNRS, UPS)

  • Clara Pons

    (Consejo Superior de Investigaciones Cientificas- Universidad Politécnica de Valencia)

  • Antonio Granell

    (Consejo Superior de Investigaciones Cientificas- Universidad Politécnica de Valencia)

  • Zhengguo Li

    (Chongqing University
    Chongqing University)

  • Benoît Rest

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS)

  • Mondher Bouzayen

    (Université de Toulouse, INRAe/INP Toulouse, UMR990 Génomique et Biotechnologie des Fruits, Avenue de l’Agrobiopole
    Université de Toulouse, CNRS, UPS
    Chongqing University)

Abstract

All-flesh tomato cultivars are devoid of locular gel and exhibit enhanced firmness and improved postharvest storage. Here, we show that SlMBP3 is a master regulator of locular tissue in tomato fruit and that a deletion at the gene locus underpins the All-flesh trait. Intriguingly, All-flesh varieties lack the deleterious phenotypes reported previously for SlMBP3 under-expressing lines and which preclude any potential commercial use. We resolve the causal factor for this phenotypic divergence through the discovery of a natural mutation at the SlAGL11 locus, a close homolog of SlMBP3. Misexpressing SlMBP3 impairs locular gel formation through massive transcriptomic reprogramming at initial phases of fruit development. SlMBP3 influences locule gel formation by controlling cell cycle and cell expansion genes, indicating that important components of fruit softening are determined at early pre-ripening stages. Our findings define potential breeding targets for improved texture in tomato and possibly other fleshy fruits.

Suggested Citation

  • Baowen Huang & Guojian Hu & Keke Wang & Pierre Frasse & Elie Maza & Anis Djari & Wei Deng & Julien Pirrello & Vincent Burlat & Clara Pons & Antonio Granell & Zhengguo Li & Benoît Rest & Mondher Bouzay, 2021. "Interaction of two MADS-box genes leads to growth phenotype divergence of all-flesh type of tomatoes," Nature Communications, Nature, vol. 12(1), pages 1-14, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-27117-7
    DOI: 10.1038/s41467-021-27117-7
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    References listed on IDEAS

    as
    1. Anusak Pinyopich & Gary S. Ditta & Beth Savidge & Sarah J. Liljegren & Elvira Baumann & Ellen Wisman & Martin F. Yanofsky, 2003. "Assessing the redundancy of MADS-box genes during carpel and ovule development," Nature, Nature, vol. 424(6944), pages 85-88, July.
    2. Rajinder Singh & Eng-Ti Leslie Low & Leslie Cheng-Li Ooi & Meilina Ong-Abdullah & Ngoot-Chin Ting & Jayanthi Nagappan & Rajanaidu Nookiah & Mohd Din Amiruddin & Rozana Rosli & Mohamad Arif Abdul Manaf, 2013. "The oil palm SHELL gene controls oil yield and encodes a homologue of SEEDSTICK," Nature, Nature, vol. 500(7462), pages 340-344, August.
    Full references (including those not matched with items on IDEAS)

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