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3. The AaDREB1 Transcription Factor from the Cold-Tolerant Plant Adonis amurensis Enhances Abiotic Stress Tolerance in Transgenic Plant

Author

Dong Yuanyuan, Yuan-Hang Zhou, Huan Chen, Jun-Mei Zong, Wang Fawei, Yan-Xi Yuan, Xiaowei Li, Na Yao, Nan Wang, Xiuming Liu, and Haiyan Li

Subjects
0106 biological sciences, 0301 basic medicine, Arabidopsis, 01 natural sciences, lcsh:Chemistry, chemistry.chemical_compound, Plasmid, abiotic stress tolerance, Abscisic acid, lcsh:QH301-705.5, Spectroscopy, transgenic plant, Phylogeny, Plant Proteins, Adonis, biology, food and beverages, General Medicine, Plants, Genetically Modified, Computer Science Applications, Cell biology, Droughts, Cold Temperature, Adonis amurensis, Plasmids, DNA, Plant, Transgene, Molecular Sequence Data, AaDREB1, Catalysis, Article, Inorganic Chemistry, 03 medical and health sciences, Stress, Physiological, Two-Hybrid System Techniques, Botany, Amino Acid Sequence, Physical and Theoretical Chemistry, Molecular Biology, Transcription factor, Gene, Abiotic stress, Organic Chemistry, fungi, Oryza, Sequence Analysis, DNA, biology.organism_classification, 030104 developmental biology, chemistry, lcsh:Biology (General), lcsh:QD1-999, Salts, Sequence Alignment, 010606 plant biology & botany, Abscisic Acid, Transcription Factors
Abstract

Dehydration-responsive element binding (DREB) transcription factors (TFs) play important roles in the regulation of plant resistance to environmental stresses and can specifically bind to dehydration-responsive element/C-repeat element (DRE/CRT) proteins (G/ACCGAC) and activate expression of many stress-inducible genes. Here, we cloned and characterized a novel gene (AaDREB1) encoding the DREB1 transcription factor from the cold-tolerant plant Adonis amurensis. Quantitative real-time (qRT)-PCR results indicated that AaDREB1 expression was induced by salt, drought, cold stress, and abscisic acid application. A yeast one-hybrid assay demonstrated that AaDREB1 encodes a transcription activator and specifically binds to DRE/CRT. Furthermore, transgenic Arabidopsis and rice harboring AaDREB1 showed enhanced tolerance to salt, drought, and low temperature. These results indicated that AaDREB1 might be useful in genetic engineering to improve plant stress tolerance.

Published
2016
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4. The AaDREB1 Transcription Factor from the Cold-Tolerant Plant Adonis amurensis Enhances Abiotic Stress Tolerance in Transgenic Plant.

Author

Jun-Mei Zong, Xiao-Wei Li, Yuan-Hang Zhou, Fa-Wei Wang, Nan Wang, Yuan-Yuan Dong, Yan-Xi Yuan, Huan Chen, Xiu-Ming Liu, Na Yao, and Hai-Yan Li

Subjects
ABIOTIC stress, TRANSGENIC plants, TRANSCRIPTION factors, GENE expression in plants, EFFECT of temperature on plants
Abstract

Dehydration-responsive element binding (DREB) transcription factors (TFs) play important roles in the regulation of plant resistance to environmental stresses and can specifically bind to dehydration-responsive element/C-repeat element (DRE/CRT) proteins (G/ACCGAC) and activate expression of many stress-inducible genes. Here, we cloned and characterized a novel gene (AaDREB1) encoding the DREB1 transcription factor from the cold-tolerant plant Adonis amurensis. Quantitative real-time (qRT)-PCR results indicated that AaDREB1 expression was induced by salt, drought, cold stress, and abscisic acid application. A yeast one-hybrid assay demonstrated that AaDREB1 encodes a transcription activator and specifically binds to DRE/CRT. Furthermore, transgenic Arabidopsis and rice harboring AaDREB1 showed enhanced tolerance to salt, drought, and low temperature. These results indicated that AaDREB1 might be useful in genetic engineering to improve plant stress tolerance. [ABSTRACT FROM AUTHOR]

Published
2016
Full Text
View/download PDF

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