植物次生细胞壁生物合成的转录调控网络

doi:10.11983/CBB19135

摘要/Abstract

摘要： 植物次生细胞壁包含纤维素、半纤维素和木质素, 赋予细胞壁机械强度及疏水性, 这种特性对植物直立生长、水分和营养物质运输以及抵御生物和非生物胁迫十分重要。该文总结了调控次生细胞壁生物合成的转录因子及其调控机制, 包括NAC转录因子调控次生壁合成的一级开关作用, AtMYB46/AtMYB83及其下游调控因子的二级开关作用, 以及其它转录因子对次生壁生物合成的调控作用, 并对未来研究内容和方法进行了展望, 以期为深入系统理解次生细胞壁生物合成的转录调控网络提供参考。

关键词: NAC转录因子, MYB转录因子, 次生细胞壁, 生物合成, 调控网络

Abstract: Plant secondary cell walls (SCWs) contain cellulose, hemicellulose and lignin, which endow the cell walls with mechanical strength and hydrophobicity. This characteristic is very important for plant upright growth, water and nutrient transport, and resistance to biotic and abiotic stresses. In this review, we summarize the transcription factors regulating SCW biosynthesis and their regulatory mechanisms, including NAC transcription factors functioning as first-layer master switch, the AtMYB46/AtMYB83 and their downstream regulators serving as secondary-layer master switch, as well as the other transcription factors involved in the regulation of biosynthesis of the SCW. The future research contents and methods are also prospected in order to provide reference for further research on the transcriptional regulatory network of SCW biosynthesis.

Key words: NAC transcription factor, MYB transcription factor, secondary cell wall, biosynthesis, regulation network

张雨, 赵明洁, 张蔚. 植物次生细胞壁生物合成的转录调控网络. 植物学报, 2020, 55(3): 351-368.

Yu Zhang, Mingjie Zhao, Wei Zhang. Transcriptional Regulatory Network of Secondary Cell Wall Biosynthesis in Plants. Chinese Bulletin of Botany, 2020, 55(3): 351-368.

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链接本文: https://www.chinbullbotany.com/CN/10.11983/CBB19135

https://www.chinbullbotany.com/CN/Y2020/V55/I3/351

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参考文献 133

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