Cell polarity linked to gravity sensing is generated by LZY translocation from statoliths to the plasma membrane
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- Takeshi Nishimura
- Division of Plant Environmental Responses, National Institute for Basic Biology, Okazaki 444-8585, Japan.
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- Shogo Mori
- Division of Plant Environmental Responses, National Institute for Basic Biology, Okazaki 444-8585, Japan.
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- Hiromasa Shikata
- Division of Plant Environmental Responses, National Institute for Basic Biology, Okazaki 444-8585, Japan.
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- Moritaka Nakamura
- Division of Plant Environmental Responses, National Institute for Basic Biology, Okazaki 444-8585, Japan.
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- Yasuko Hashiguchi
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan.
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- Yoshinori Abe
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama 338-8570, Japan.
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- Takuma Hagihara
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama 338-8570, Japan.
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- Hiroshi Y. Yoshikawa
- Department of Applied Physics, Osaka University, Suita 565-0871, Japan.
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- Masatsugu Toyota
- Department of Biochemistry and Molecular Biology, Saitama University, Saitama 338-8570, Japan.
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- Takumi Higaki
- Faculty of Advanced Science and Technology, Kumamoto University, Kumamoto 860-8555, Japan.
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- Miyo Terao Morita
- Division of Plant Environmental Responses, National Institute for Basic Biology, Okazaki 444-8585, Japan.
抄録
<jats:p>Organisms have evolved under gravitational force, and many sense the direction of gravity by means of statoliths in specialized cells. In flowering plants, starch-accumulating plastids, known as amyloplasts, act as statoliths to facilitate downstream gravitropism. The gravity-sensing mechanism has long been considered a mechanosensing process by which amyloplasts transmit forces to intracellular structures, but the molecular mechanism underlying this has not been elucidated. We show here that LAZY1-LIKE (LZY) family proteins involved in statocyte gravity signaling associate with amyloplasts and the proximal plasma membrane. This results in polar localization according to the direction of gravity. We propose a gravity-sensing mechanism by which LZY translocation to the plasma membrane signals the direction of gravity by transmitting information on the position of amyloplasts.</jats:p>
収録刊行物
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- Science
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Science 381 (6661), 1006-1010, 2023-09
American Association for the Advancement of Science (AAAS)
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詳細情報 詳細情報について
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- CRID
- 1360862717096123776
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- ISSN
- 10959203
- 00368075
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- データソース種別
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- Crossref
- KAKEN