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性别: 男

毕业院校: 东北师范大学

学位: 博士

所在单位: 生物工程学院

学科: 生物化学与分子生物学. 生物化工. 生物工程与技术

办公地点: 生物工程学院401室

联系方式: 13624087256

电子邮箱: luanyush@dlut.edu.cn

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miR1916 plays a role as a negative regulator in drought stress resistance in tomato and tobacco

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论文类型: 期刊论文

第一作者: Chen, Lei

通讯作者: Luan, YS (reprint author), Dalian Univ Technol, Sch Life Sci & Biotechnol, Dalian 116024, Peoples R China.

合写作者: Meng, Jun,Luan, Yushi

发表时间: 2019-01-08

发表刊物: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS

收录刊物: SCIE、PubMed、Scopus

卷号: 508

期号: 2

页面范围: 597-602

ISSN号: 0006-291X

关键字: mir1916; Drought stress; Tomato; Tobacco

摘要: MicroRNAs (miRNAs) play important roles in regulating plant responses to various environmental stresses. In our study, overexpression of miR1916 in tomato (OE-1) reduced its tolerance to drought. The miR1916-silenced transgenic plants (ST-1 and Anti-7) significantly increased resistance to drought stress. The transgenic tobacco plants also have a similar result in displaying the tolerance of drought. Physiological analysis revealed that miR1916 affected the osmoregulation and reactive oxygen species (ROS) accumulation. In addition, transcript levels of the miR1916 target genes, histone deacetylases (HDAC) and strictosidine synthase (STR), decreased in miR1916-overexpressing transgenic tobacco plants. Our results suggested that miR1916 is a passive regulator in the plant resistance to drought stress and has potentially impacting on abiotic stress responses in Solanaceae. (C) 2018 Elsevier Inc. All rights reserved.

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