DREB转录因子在植物非生物胁迫中的作用及应用研究

Research and Application Prospect of DREB Transcription Factor in Plant Abiotic Stress Resistance

转录因子也称反式作用因子,是能够与真核生物基因启动子区域中顺式作用元件发生特异性相互作用的DNA结合蛋白。DREB转录因子作为植物特有的转录因子,通过与DRE调控元件特异结合,能促进许多与低温、高盐和干旱相关基因的表达。本文综述了近年DREB转录因子的研究进展,并对其结构和生物学功能、表达调控和信号传递途径以及DREB基因在改良植物抗逆胁迫中的应用进行了讨论,同时对该领域的发展前景进行了展望。

Transcription factors are DNA-binding proteins that interact with cis-elements in the promoter of eukaryotic genes.As a newly discovered type transcription factor of plant,DREB,specifically recognize DRE,could induce the expression of some high-salinity low-temperature and drought-related genes.In this paper,the research progress on DREB in recent years was reviewed,the structure and biological function of DREB,expression regulation and signal transduction pathways,as well as the application of DREB genes in the stress tolerant improvement of plant were discussed,meanwhile,the future prospective in this field is also discussed here.