Ethanol-Mediated Novel Survival Strategy against Drought Stress in Plants
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- Khurram Bashir
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Daisuke Todaka
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Sultana Rasheed
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Akihiro Matsui
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Zarnab Ahmad
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Kaori Sako
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Yoshinori Utsumi
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Anh Thu Vu
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Maho Tanaka
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Satoshi Takahashi
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Junko Ishida
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Yuuri Tsuboi
- Environmental Metabolic Analysis Research Team, RIKEN Center for Sustainable Resource Science , 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Shunsuke Watanabe
- Dormancy and Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku , Yokohama, Kanagawa, 230-0045, Japan
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- Yuri Kanno
- Dormancy and Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku , Yokohama, Kanagawa, 230-0045, Japan
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- Eigo Ando
- Division of Biological Sciences, Graduate School of Science, Nagoya University , Chikusa, Nagoya, 464-8602 Japan
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- Kwang-Chul Shin
- Division of Biological Sciences, Graduate School of Science, Nagoya University , Chikusa, Nagoya, 464-8602 Japan
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- Makoto Seito
- Kihara Institute for Biological Research, Yokohama City University , 641-12 Maiokacho, Totsuka Ward, Yokohama, Kanagawa, 244-0813 Japan
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- Hinata Motegi
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Muneo Sato
- Mass Spectrometry and Microscopy Unit, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku , Yokohama, Kanagawa, 230-0045 Japan
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- Rui Li
- Metabolic Systems Research Team, RIKEN Center for Sustainable Resource Science , 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Saya Kikuchi
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Miki Fujita
- Mass Spectrometry and Microscopy Unit, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku , Yokohama, Kanagawa, 230-0045 Japan
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- Miyako Kusano
- Metabolomics Research Group, RIKEN Center for Sustainable Resource Science , 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045 Japan
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- Makoto Kobayashi
- Metabolomics Research Group, RIKEN Center for Sustainable Resource Science , 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045 Japan
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- Yoshiki Habu
- Graduate School of Life and Environmental Science, University of Tsukuba , 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8572 Japan
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- Atsushi J Nagano
- Faculty of Agriculture, Ryukoku University, Yokotani 1-5, Seta Oe-cho , Otsu, Shiga, 520-2914, Japan
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- Kanako Kawaura
- Kihara Institute for Biological Research, Yokohama City University , 641-12 Maiokacho, Totsuka Ward, Yokohama, Kanagawa, 244-0813 Japan
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- Jun Kikuchi
- Environmental Metabolic Analysis Research Team, RIKEN Center for Sustainable Resource Science , 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Kazuki Saito
- Metabolomics Research Group, RIKEN Center for Sustainable Resource Science , 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045 Japan
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- Masami Yokota Hirai
- Mass Spectrometry and Microscopy Unit, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku , Yokohama, Kanagawa, 230-0045 Japan
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- Mitsunori Seo
- Dormancy and Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku , Yokohama, Kanagawa, 230-0045, Japan
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- Kazuo Shinozaki
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
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- Toshinori Kinoshita
- Division of Biological Sciences, Graduate School of Science, Nagoya University , Chikusa, Nagoya, 464-8602 Japan
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- Motoaki Seki
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho , Tsurumi-ku, Yokohama, Kanagawa, 230-0045 Japan
抄録
<jats:title>Abstract</jats:title> <jats:p>Water scarcity is a serious agricultural problem causing significant losses to crop yield and product quality. The development of technologies to mitigate the damage caused by drought stress is essential for ensuring a sustainable food supply for the increasing global population. We herein report that the exogenous application of ethanol, an inexpensive and environmentally friendly chemical, significantly enhances drought tolerance in Arabidopsis thaliana, rice and wheat. The transcriptomic analyses of ethanol-treated plants revealed the upregulation of genes related to sucrose and starch metabolism, phenylpropanoids and glucosinolate biosynthesis, while metabolomic analysis showed an increased accumulation of sugars, glucosinolates and drought-tolerance-related amino acids. The phenotyping analysis indicated that drought-induced water loss was delayed in the ethanol-treated plants. Furthermore, ethanol treatment induced stomatal closure, resulting in decreased transpiration rate and increased leaf water contents under drought stress conditions. The ethanol treatment did not enhance drought tolerance in the mutant of ABI1, a negative regulator of abscisic acid (ABA) signaling in Arabidopsis, indicating that ABA signaling contributes to ethanol-mediated drought tolerance. The nuclear magnetic resonance analysis using 13C-labeled ethanol indicated that gluconeogenesis is involved in the accumulation of sugars. The ethanol treatment did not enhance the drought tolerance in the aldehyde dehydrogenase (aldh) triple mutant (aldh2b4/aldh2b7/aldh2c4). These results show that ABA signaling and acetic acid biosynthesis are involved in ethanol-mediated drought tolerance and that chemical priming through ethanol application regulates sugar accumulation and gluconeogenesis, leading to enhanced drought tolerance and sustained plant growth. These findings highlight a new survival strategy for increasing crop production under water-limited conditions.</jats:p>
収録刊行物
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- Plant and Cell Physiology
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Plant and Cell Physiology 63 (9), 1181-1192, 2022-08-25
Oxford University Press (OUP)
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詳細情報 詳細情報について
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- CRID
- 1360580230588942848
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- ISSN
- 14719053
- 00320781
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- データソース種別
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- Crossref
- KAKEN