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首页> 外文期刊>Journal of genetics >DREB1/CBF transcription factors: Their structure, function and role in abiotic stress tolerance in plants(Review)
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DREB1/CBF transcription factors: Their structure, function and role in abiotic stress tolerance in plants(Review)

机译：DREB1 / CBF转录因子：其结构，功能和在植物非生物胁迫耐受性中的作用（综述）

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摘要

Drought, high salinity and low temperature are major abiotic stresses that influence survival, productivity and geographical distribution of many important crops across the globe. Plants respond to these environmental challenges via physiological, cellular and molecular processes, which results in adjusted metabolic and structural alterations. The dehydration-responsive-element-binding (DREB) protein / C-repeat binding factors (CBFs) belong to APETALA2 (AP2) family transcription factors that bind to DRE/CRT cis-element and regulate the expression of stress-responsive genes. DREB1/CBF genes, therefore, play an important role in increasing stress tolerance in plants and their deployment using transgenic technology seems to be a potential alternative in management of abiotic stresses in crop plants. This review is mainly focussed on the structural characteristics as well as transcriptional regulation of gene expression in response to various abiotic stresses, with particular emphasis on the role of DREB1/CBF regulon in stress-responsive gene expression. The recent progress related to genetic engineering of DREB1/CBF transcription factors in various crops and model plants is also summarized.
机译：干旱，高盐度和低温是主要的非生物胁迫，会影响全球许多重要农作物的生存，生产力和地理分布。植物通过生理，细胞和分子过程应对这些环境挑战，从而导致代谢和结构的改变。脱水反应元件结合（DREB）蛋白/ C重复结合因子（CBF）属于APETALA2（AP2）家族转录因子，与DRE / CRT顺式元件结合并调节应激反应基因的表达。因此，DREB1 / CBF基因在提高植物的抗逆性中起着重要作用，使用转基因技术进行部署似乎是管理作物非生物逆境的潜在替代方法。这篇综述主要侧重于响应各种非生物胁迫的基因表达的结构特征和转录调控，特别着重于DREB1 / CBF调节子在胁迫响应基因表达中的作用。还概述了与DREB1 / CBF转录因子在各种农作物和模型植物中的基因工程有关的最新进展。

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