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Inhibition of shoot branching by new terpenoid plant hormones

Author

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  • Mikihisa Umehara

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Atsushi Hanada

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Satoko Yoshida

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Kohki Akiyama

    (Graduate School of Life and Environmental Sciences, Osaka Prefecture University, 1-1 Gakuencho, Naka-ku, Sakai, Osaka 599-8531, Japan)

  • Tomotsugu Arite

    (Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi, Bunkyo, Tokyo 113-8652, Japan)

  • Noriko Takeda-Kamiya

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Hiroshi Magome

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Yuji Kamiya

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Ken Shirasu

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

  • Koichi Yoneyama

    (Weed Science Center, Utsunomiya University)

  • Junko Kyozuka

    (Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi, Bunkyo, Tokyo 113-8652, Japan)

  • Shinjiro Yamaguchi

    (RIKEN Plant Science Center, Tsurumi, Yokohama 230-0045, Japan)

Abstract

Shoot branching is a major determinant of plant architecture and is highly regulated by endogenous and environmental cues. Two classes of hormones, auxin and cytokinin, have long been known to have an important involvement in controlling shoot branching. Previous studies using a series of mutants with enhanced shoot branching suggested the existence of a third class of hormone(s) that is derived from carotenoids, but its chemical identity has been unknown. Here we show that levels of strigolactones, a group of terpenoid lactones, are significantly reduced in some of the branching mutants. Furthermore, application of strigolactones inhibits shoot branching in these mutants. Strigolactones were previously found in root exudates acting as communication chemicals with parasitic weeds and symbiotic arbuscular mycorrhizal fungi. Thus, we propose that strigolactones act as a new hormone class—or their biosynthetic precursors—in regulating above-ground plant architecture, and also have a function in underground communication with other neighbouring organisms.

Suggested Citation

  • Mikihisa Umehara & Atsushi Hanada & Satoko Yoshida & Kohki Akiyama & Tomotsugu Arite & Noriko Takeda-Kamiya & Hiroshi Magome & Yuji Kamiya & Ken Shirasu & Koichi Yoneyama & Junko Kyozuka & Shinjiro Ya, 2008. "Inhibition of shoot branching by new terpenoid plant hormones," Nature, Nature, vol. 455(7210), pages 195-200, September.
    • Handle: RePEc:nat:nature:v:455:y:2008:i:7210:d:10.1038_nature07272
    DOI: 10.1038/nature07272
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    Cited by:

    1. Wenlong Yang & Ameer Ahmed Mirbahar & Muhammad Shoaib & Xueyuan Lou & Linhe Sun & Jiazhu Sun & Kehui Zhan & Aimin Zhang, 2022. "The Carotenoid Cleavage Dioxygenase Gene CCD7-B , at Large, Is Associated with Tillering in Common Wheat," Agriculture, MDPI, vol. 12(2), pages 1-14, February.
    2. repec:caa:jnlcjg:v:preprint:id:88-2023-cjgpb is not listed on IDEAS
    3. Jinying Cui & Noriko Nishide & Kiyoshi Mashiguchi & Kana Kuroha & Masayuki Miya & Kazuhiko Sugimoto & Jun-Ichi Itoh & Shinjiro Yamaguchi & Takeshi Izawa, 2023. "Fertilization controls tiller numbers via transcriptional regulation of a MAX1-like gene in rice cultivation," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    4. Cheng Luo & Xin-Jie Wang & Ai-Ning Ran & Jing-Jing Song & Xin Li & Qi-Qi Ma & Yuan-Zhi Pan & Qing-Lin Liu & Bei-Bei Jiang, 2021. "Expression Analysis of DgD14 , DgBRC1 and DgLsL in the Process of Chrysanthemum Lateral Bud Formation," Agriculture, MDPI, vol. 11(12), pages 1-12, December.
    5. Shanshan Li & Hualiang He & Lin Qiu & Qiao Gao & Youzhi Li & Wenbing Ding, 2023. "Down-Regulation of Strigolactone Biosynthesis Gene D17 Alters the VOC Content and Increases Sogatella furcifera Infectivity in Rice," Agriculture, MDPI, vol. 13(4), pages 1-12, April.
    6. Muhammad Ahsan & Hira Zulfiqar & Muhammad Ansar Farooq & Sajjad Ali & Aasma Tufail & Shamsa Kanwal & Muhammad Rashid Shaheen & Mateen Sajid & Hera Gul & Aftab Jamal & Muhammad Farhan Saeed & Roberto M, 2022. "Strigolactone (GR24) Application Positively Regulates Photosynthetic Attributes, Stress-Related Metabolites and Antioxidant Enzymatic Activities of Ornamental Sunflower ( Helianthus annuus cv. Vincent," Agriculture, MDPI, vol. 13(1), pages 1-17, December.
    7. Kyoichi Kodama & Mélanie K. Rich & Akiyoshi Yoda & Shota Shimazaki & Xiaonan Xie & Kohki Akiyama & Yohei Mizuno & Aino Komatsu & Yi Luo & Hidemasa Suzuki & Hiromu Kameoka & Cyril Libourel & Jean Kelle, 2022. "An ancestral function of strigolactones as symbiotic rhizosphere signals," Nature Communications, Nature, vol. 13(1), pages 1-15, December.
    8. Malathy Palayam & Linyi Yan & Ugrappa Nagalakshmi & Amelia K. Gilio & David Cornu & François-Didier Boyer & Savithramma P. Dinesh-Kumar & Nitzan Shabek, 2024. "Structural insights into strigolactone catabolism by carboxylesterases reveal a conserved conformational regulation," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    9. Abid Ali & Guy Kateta Malangisha & Haiyang Yang & Chen Li & Chi Wang & Yubin Yang & Ahmed Mahmoud & Jehanzeb Khan & Jinghua Yang & Zhongyuan Hu & Mingfang Zhang, 2021. "Strigolactone Alleviates Herbicide Toxicity via Maintaining Antioxidant Homeostasis in Watermelon ( Citrullus lanatus )," Agriculture, MDPI, vol. 11(5), pages 1-19, May.
    10. Muhammad Usman Ali & Zulqarnain & Muhammad Saad Jamil & Muhammad Akif ur Rehman & Muhammad Abdur Rehman & Zahid Hussain Shah & Hameed Alsamadany, 2019. "Metabolic and Biochemical Profiling of Phenolic Compound and their Biosynthesis in Oil Crops," Biomedical Journal of Scientific & Technical Research, Biomedical Research Network+, LLC, vol. 18(3), pages 13652-13661, May.
    11. Satoshi Ogawa & Songkui Cui & Alexandra R. F. White & David C. Nelson & Satoko Yoshida & Ken Shirasu, 2022. "Strigolactones are chemoattractants for host tropism in Orobanchaceae parasitic plants," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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