bHLH转录因子在植物花青素合成中的调控作用

bHLH转录因子在植物花青素合成中的调控作用
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                        刘菁菁刘菁菁
河南科技大学园艺与植物保护学院
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王舒文王舒文
河南科技大学园艺与植物保护学院
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杨旭锐杨旭锐
河南科技大学园艺与植物保护学院
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常开心常开心
河南科技大学园艺与植物保护学院
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张会灵张会灵
河南科技大学园艺与植物保护学院
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作者单位:河南科技大学园艺与植物保护学院
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基金项目:河南省高等学校青年骨干教师培养计划(2021GGJS049)；河南省科技攻关项目(232102110195)；河南省自然科学(242300421318)；河南科技大学大学生创新创业训练计划项目(2024461).

The Regulatory Role of bHLH Transcription Factors in Plant Anthocyanin Synthesis

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Training Plan for Young Backbone Teachers in Colleges and Universities of Henan Province (2021GGJS049), Science and Technology Project of Henan Province (232102110195), the Natural Science Foundation of Henan (242300421318), and the Scientific Research Training Program of Henan University of Science and Technology (2024461).

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花青素(Anthocyanins)是黄酮类多酚化合物,广泛分布在植物体内,在维持植物正常生理活动中发挥重要作用。作为一种天然可食用色素,花青素因具有强抗氧化性,对维持人体健康也具有重要意义。bHLH转录因子作为植物中仅次于MYB转录因子的第二大转录因子超家族,在植物花青素的合成过程中起着重要调控作用。本文综述了花青素生物合成途径及其调控机制,总结了bHLH类转录因子的结构特征、参与花青素合成调控的主要方式以及光照、激素对其在花青素积累过程中发挥作用的影响,以期为进一步研究花青素生物合成调控机制、花色调控、园艺植物育种等奠定基础。

关键词:bHLH;花青素;生物合成;表达调控

Abstract:

Anthocyanins are flavonoid polyphenolic compounds widely distributed in plants and play an important role in maintaining normal physiological activities of plants. As a natural edible pigment, anthocyanins are of great significance in maintaining human health due to their strong antioxidant properties. As the second largest transcription factor superfamily in plants after MYB transcription factors, bHLH transcription factors play an important regulatory role in the synthesis of plant anthocyanins. This article reviews the biosynthesis pathways and regulatory mechanisms of anthocyanins, summarizes the structural characteristics of bHLH transcription factors, the main ways in which they participate in anthocyanin synthesis regulation, and the effects of light and hormones on their roles in anthocyanin accumulation. The aim is to lay a foundation for further research on anthocyanin biosynthesis regulation mechanisms, flower color regulation, horticultural plant breeding, ect.

Key words:bHLH; anthocyanin; biosynthesis; expression regulation

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