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Stomagen positively regulates stomatal density in Arabidopsis

Author

Listed:
  • Shigeo S. Sugano

    (Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan)

  • Tomoo Shimada

    (Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan)

  • Yu Imai

    (Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan)

  • Katsuya Okawa

    (Innovative Drug Research Laboratories, Kyowa Hakko Kirin Co., Ltd.)

  • Atsushi Tamai

    (Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi-machi, Ishikawa 921-8836, Japan)

  • Masashi Mori

    (Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Nonoichi-machi, Ishikawa 921-8836, Japan)

  • Ikuko Hara-Nishimura

    (Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan)

Abstract

Extra stomata in prospect As the portals through which carbon dioxide is exchanged between the epidermal leaf tissue of plants and the atmosphere, the stomata are key elements in plant physiology. As such they are the focus of genetic and environmental regulation in plants, but until now no positive signalling factor of stomata development has been identified. Now a protein with stomata-inducing properties has been identified in Arabidopsis. Termed stomagen, it is a cysteine-rich peptide found in the inner tissue (mesophyll) layers of young leaves where it initiates the stomatal lineage possibly by binding to the cell-surface receptor TMM. This discovery raises the prospect that stomagen might be used to develop crops and trees with high stomatal densities and hence high absorption capacity for CO2, not only by genetic engineering, but also by spraying with synthetic stomagen or related synthetic peptides.

Suggested Citation

  • Shigeo S. Sugano & Tomoo Shimada & Yu Imai & Katsuya Okawa & Atsushi Tamai & Masashi Mori & Ikuko Hara-Nishimura, 2010. "Stomagen positively regulates stomatal density in Arabidopsis," Nature, Nature, vol. 463(7278), pages 241-244, January.
    • Handle: RePEc:nat:nature:v:463:y:2010:i:7278:d:10.1038_nature08682
    DOI: 10.1038/nature08682
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    Cited by:

    1. Tao Guo & Zi-Qi Lu & Yehui Xiong & Jun-Xiang Shan & Wang-Wei Ye & Nai-Qian Dong & Yi Kan & Yi-Bing Yang & Huai-Yu Zhao & Hong-Xiao Yu & Shuang-Qin Guo & Jie-Jie Lei & Ben Liao & Jijie Chai & Hong-Xuan, 2023. "Optimization of rice panicle architecture by specifically suppressing ligand–receptor pairs," Nature Communications, Nature, vol. 14(1), pages 1-15, December.

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