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[具体物质]在提高大豆耐盐性和降低脱落酸敏感性中的作用

The Roles of in Improving Salt Tolerance and Decreasing ABA Sensitivity in Soybean.

作者信息

Zhao Meng-Jie, Yin Li-Juan, Ma Jian, Zheng Jia-Cheng, Wang Yan-Xia, Lan Jin-Hao, Fu Jin-Dong, Chen Ming, Xu Zhao-Shi, Ma You-Zhi

机构信息

Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China.

Department of Agronomy, Jilin Agricultural University, Changchun, China.

出版信息

Front Plant Sci. 2019 Jul 23;10:940. doi: 10.3389/fpls.2019.00940. eCollection 2019.

DOI:10.3389/fpls.2019.00940
PMID:31396249
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6664033/
Abstract

Abscisic acid (ABA) mediates various abiotic stress responses, and ethylene responsive factors (ERFs) play vital role in resisting stresses, but the interaction of these molecular mechanisms remains elusive. In this study, we identified an ABA-induced soybean ERF gene that was highly up-regulated by ethylene (ET), drought, salt, and low temperature treatments. Subcellular localization assay showed that the GmERF135 protein was targeted to the nucleus. Promoter -acting elements analysis suggested that numerous potential stress responsive -elements were distributed in the promoter region of , including ABA-, light-, ET-, gibberellin (GA)-, and methyl jasmonate (MeJA)-responsive elements. Overexpression of in enhanced tolerance to drought and salt conditions. In addition, promoted the growth of transgenic hairy roots under salt and exogenous ABA conditions. These results suggest that soybean GmERF135 may participate in both ABA and ET signaling pathways to regulate the responses to multiple stresses.

摘要

脱落酸(ABA)介导各种非生物胁迫反应,乙烯响应因子(ERFs)在抵抗胁迫中起重要作用,但这些分子机制之间的相互作用仍不清楚。在本研究中,我们鉴定了一个ABA诱导的大豆ERF基因,该基因在乙烯(ET)、干旱、盐和低温处理下高度上调。亚细胞定位分析表明,GmERF135蛋白定位于细胞核。启动子作用元件分析表明,许多潜在的胁迫响应元件分布在该基因的启动子区域,包括ABA、光、ET、赤霉素(GA)和茉莉酸甲酯(MeJA)响应元件。在拟南芥中过表达该基因可增强对干旱和盐胁迫条件的耐受性。此外,该基因在盐和外源ABA条件下促进了转基因毛状根的生长。这些结果表明,大豆GmERF135可能参与ABA和ET信号通路,以调节对多种胁迫的反应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/7db8fa072703/fpls-10-00940-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/d0c3da1a2bce/fpls-10-00940-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/6e6e5732fbe5/fpls-10-00940-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/24f69bedbde8/fpls-10-00940-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/f6f4d7921fa7/fpls-10-00940-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/219d03c4693d/fpls-10-00940-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/9671cf7bc86b/fpls-10-00940-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/a25398128b2f/fpls-10-00940-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/7db8fa072703/fpls-10-00940-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/d0c3da1a2bce/fpls-10-00940-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/6e6e5732fbe5/fpls-10-00940-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/24f69bedbde8/fpls-10-00940-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/f6f4d7921fa7/fpls-10-00940-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/219d03c4693d/fpls-10-00940-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/9671cf7bc86b/fpls-10-00940-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/a25398128b2f/fpls-10-00940-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ed2e/6664033/7db8fa072703/fpls-10-00940-g008.jpg

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