辣椒响应逆境胁迫的诱导型启动子研究进展

Research progress on inducible promoters of pepper in response to stresses

摘要

干旱、涝渍、极端温度以及病虫害等多种逆境胁迫严重影响辣椒的生长，导致辣椒发育不良而减产。启动子包含重要的顺式作用元件，对目的基因的表达调控有重要作用，尤其是植物诱导型启动子，在胁迫条件下会激发抗逆调控机制与激活目的基因表达，改变植物代谢组分和生理生化反应，增强植物抗逆性。主要对辣椒应答干旱、高温、低温、盐等非生物和生物胁迫诱导型启动子的种类、功能以及与反式作用因子的互作进行综述，以期为进一步研究辣椒基因诱导型启动子提供一定的理论依据和抗逆品种改良提供参考。

Abstract

Drought, waterlogging, extreme temperature, pests and diseases seriously affect the growth of pepper, leading to poor development and reduced yield. Promoters contain important cis-acting elements and play crucial roles in regulating the expression of target genes. Plant inducible promoters can stimulate stress resistance regulatory mechanisms and activate the expression of target genes under stress conditions, which alter plant metabolic components and physiological-biochemical reactions, and enhance plant stress resistance. In this paper, the authors mainly review the types, functions, and interactions with trans-acting factors of inducible promoters in response to abiotic and biotic stresses, such as drought, high temperature, low temperature, salt in pepper, in order to provide a theoretical basis for further research on inducible promoters of pepper genes and stress-tolerant cultivar improvement.

关键词

辣椒 / 逆境胁迫 / 诱导型启动子 / 功能分析

Key words

Pepper / Stress / Inducible promoter / Functional analysis

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基金资助

国家自然科学基金(32260760)

贵州省科技计划项目(黔科合成果 2020 1Z002 号)