The Regulation of Xylem Development by Transcription Factors and Their Upstream MicroRNAs.
The Regulation of Xylem Development by Transcription Factors and Their Upstream MicroRNAs.
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转录因子及其上游MicroRNA对木质部发育的调控
DOI：
10.3390/ijms231710134
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发表时间：
2022-09-04
影响因子：
5.6
通讯作者：
中科院分区：
文献类型：
--
作者：
木质部作为维管植物特有的组织结构，承担着植物生存所必需的水分运输和维持功能。值得注意的是，茎中的次生木质部（即，木材）也具有重要的经济和生态价值。鉴于此，木质部发育的调控受到了广泛关注。近年来，对模式植物拟南芥和白杨的研究表明，转录因子在木质部发育的多个过程中发挥着重要的调控作用，包括原形成层和形成层向木质部的定向分化、木质部排列模式、次生细胞壁的形成和细胞程序性死亡等。本文综述了HD-ZIP、MYB和NAC等转录因子家族在木质部发育中的调控作用及其上游microRNA的调控。最后对研究中存在的问题和未来的研究方向进行了展望。
Xylem, as a unique organizational structure of vascular plants, bears water transport and supports functions necessary for plant survival. Notably, secondary xylem in the stem (i.e., wood) also has important economic and ecological value. In view of this, the regulation of xylem development has been widely concerned. In recent years, studies on model plants Arabidopsis and poplar have shown that transcription factors play important regulatory roles in various processes of xylem development, including the directional differentiation of procambium and cambium into xylem, xylem arrangement patterns, secondary cell wall formation and programmed cell death. This review focuses on the regulatory roles of widely and thoroughly studied HD-ZIP, MYB and NAC transcription factor gene families in xylem development, and it also pays attention to the regulation of their upstream microRNAs. In addition, the existing questions in the research and future research directions are prospected.
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