{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["38(3)"],"submitter":["Sako K"],"pubmed_abstract":["Abiotic stresses, such as high light and salinity, are major factors that limit crop productivity and sustainability worldwide. Chemical priming is a promising strategy for improving the abiotic stress tolerance of plants. Recently, we discovered that ethanol enhances high-salinity stress tolerance in <i>Arabidopsis thaliana</i> and rice by detoxifying reactive oxygen species (ROS). However, the effect of ethanol on other abiotic stress responses is unclear. Therefore, we investigated the effect of ethanol on the high-light stress response. Measurement of chlorophyll fluorescence showed that ethanol mitigates photoinhibition under high-light stress. Staining with 3,3'-diaminobenzidine (DAB) showed that the accumulation of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) was inhibited by ethanol under high-light stress conditions in <i>A. thaliana</i>. We found that ethanol increased the gene expressions and enzymatic activities of antioxidative enzymes, including <i>ASCORBATE PEROXIDASE1</i> (<i>AtAPX1</i>), <i>Catalase (AtCAT1 and AtCAT2)</i>. Moreover, the expression of flavonoid biosynthetic genes and anthocyanin contents were upregulated by ethanol treatment during exposure to high-light stress. These results imply that ethanol alleviates oxidative damage from high-light stress in <i>A. thaliana</i> by suppressing ROS accumulation. Our findings support the hypothesis that ethanol improves tolerance to multiple stresses in field-grown crops."],"journal":["Plant biotechnology (Tokyo, Japan)"],"pagination":["339-344"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8562572"],"repository":["biostudies-literature"],"pubmed_title":["Exogenous ethanol treatment alleviates oxidative damage of <i>Arabidopsis thaliana</i> under conditions of high-light stress."],"pmcid":["PMC8562572"],"pubmed_authors":["Nagashima R","Tamoi M","Sako K","Seki M"],"additional_accession":[]},"is_claimable":false,"name":"Exogenous ethanol treatment alleviates oxidative damage of <i>Arabidopsis thaliana</i> under conditions of high-light stress.","description":"Abiotic stresses, such as high light and salinity, are major factors that limit crop productivity and sustainability worldwide. Chemical priming is a promising strategy for improving the abiotic stress tolerance of plants. Recently, we discovered that ethanol enhances high-salinity stress tolerance in <i>Arabidopsis thaliana</i> and rice by detoxifying reactive oxygen species (ROS). However, the effect of ethanol on other abiotic stress responses is unclear. Therefore, we investigated the effect of ethanol on the high-light stress response. Measurement of chlorophyll fluorescence showed that ethanol mitigates photoinhibition under high-light stress. Staining with 3,3'-diaminobenzidine (DAB) showed that the accumulation of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) was inhibited by ethanol under high-light stress conditions in <i>A. thaliana</i>. We found that ethanol increased the gene expressions and enzymatic activities of antioxidative enzymes, including <i>ASCORBATE PEROXIDASE1</i> (<i>AtAPX1</i>), <i>Catalase (AtCAT1 and AtCAT2)</i>. Moreover, the expression of flavonoid biosynthetic genes and anthocyanin contents were upregulated by ethanol treatment during exposure to high-light stress. These results imply that ethanol alleviates oxidative damage from high-light stress in <i>A. thaliana</i> by suppressing ROS accumulation. Our findings support the hypothesis that ethanol improves tolerance to multiple stresses in field-grown crops.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Sep","modification":"2024-02-15T15:02:25.489Z","creation":"2022-02-11T12:51:55.639Z"},"accession":"S-EPMC8562572","cross_references":{"pubmed":["34782821"],"doi":["10.5511/plantbiotechnology.21.0715a"]}}