2025年5月19日 23:22 星期一
首页 > 过刊浏览>2025年第26卷第3期 >419-430. DOI:10.13430/j.cnki.jpgr.20240624001
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MYB调控靶基因参与植物应答重金属胁迫的研究进展
作者:
作者单位:

1.黑龙江大学生命科学学院/农业微生物技术教育部工程研究中心/黑龙江省寒区植物基因与生物发酵重点实验室/ 黑龙江省普通高校分子生物学重点实验室，哈尔滨150080;2.黑龙江大学/国家甜菜种质中期库，哈尔滨 150080;3.黑龙江大学现代农业与生态环境学院/黑龙江省普通高校甜菜遗传育种重点实验室，哈尔滨 150080

作者简介:

研究方向为植物分子生物学，E-mail：herui_ruii@163.com

通讯作者:

鲁振强，研究方向为植物分子生物学，E-mail：zhenqianglu@163.com

基金项目:

国家糖料产业技术体系项目（CARS-1701）；农业农村部项目（19240700）；内蒙古自治区“揭榜挂帅”项目（2022JBGS0029）；黑龙江省自然科学基金（LH2023C090）；黑龙江省高校科研业务费项目（2022-KYYWF-1070）


Research Progress of MYB Regulated Target Genes Involved in Response to Heavy Metal Stress
Author:
  • HE Rui 1,2

    HE Rui

    School of Life Sciences， Heilongjiang University/Engineering Research Center of Agricultural Microbiology Technology， Ministry of Education/Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region/Key Laboratory of Molecular Biology， College of Heilongjiang Province， Harbin 150080;Heilongjiang University /National Beet Medium-Term Gene Bank， Harbin 150080
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  • XING Wang 2,3

    XING Wang

    Heilongjiang University /National Beet Medium-Term Gene Bank， Harbin 150080;College of Advanced Agriculture and Ecological Environment， Heilongjiang University/Key Laboratory of Sugar Beet Genetics and Breeding， College of Heilongjiang Province， Harbin 150080
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  • LIU Dali 2,3

    LIU Dali

    Heilongjiang University /National Beet Medium-Term Gene Bank， Harbin 150080;College of Advanced Agriculture and Ecological Environment， Heilongjiang University/Key Laboratory of Sugar Beet Genetics and Breeding， College of Heilongjiang Province， Harbin 150080
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  • LU Zhenqiang 1

    LU Zhenqiang

    School of Life Sciences， Heilongjiang University/Engineering Research Center of Agricultural Microbiology Technology， Ministry of Education/Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region/Key Laboratory of Molecular Biology， College of Heilongjiang Province， Harbin 150080
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Affiliation:

1.School of Life Sciences， Heilongjiang University/Engineering Research Center of Agricultural Microbiology Technology， Ministry of Education/Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region/Key Laboratory of Molecular Biology， College of Heilongjiang Province， Harbin 150080;2.Heilongjiang University /National Beet Medium-Term Gene Bank， Harbin 150080;3.College of Advanced Agriculture and Ecological Environment， Heilongjiang University/Key Laboratory of Sugar Beet Genetics and Breeding， College of Heilongjiang Province， Harbin 150080

Fund Project:

Foundation projects： National Sugar Industry Technology System Project（CARS-1701）； Ministry of Agriculture and Rural Affairs Project （19240700）； Inner Mongolia Autonomous Region “the Open Competition Mechanism to Select the Best Candidates” Project （2022JBGS0029）； Heilongjiang Provincial Natural Science Foundation of China （LH2023C090）； Fundamental Research Funds for Heilongjiang Provincial Universities （2022-KYYWF-1070）

  • 摘要
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    摘要:

    镉、铅等重金属对土壤的污染越来越严重，它们不仅干扰植物的生命周期，而且降低作物产量，甚至导致植物死亡。因此，植物自身进化出一系列防御机制来抵抗重金属胁迫。植物的转录因子MYB是逆境胁迫的关键调控因子，它可与下游靶基因共调控来应对重金属胁迫，从而赋予植物对重金属的耐受性，减少重金属对植物的危害。了解植物应对重金属胁迫（尤其是镉胁迫）的分子机制是植物生物技术研究和农业育种的首要目标。本文主要从MYB家族成员的鉴定和特征、MYB的功能及调控靶基因的机制、MYB如何通过光合、激素等调控靶基因参与重金属胁迫应答等方面进行综述；深入探讨在植物对重金属胁迫的适应机制中，MYB转录因子通过信号通路（活性氧稳态、脱落酸、赤霉素信号转导、光合作用等）结合靶基因或启动子元件，参与植物对重金属的吸收调节、运输和螯合的机理。本文为进一步开发和利用MYB转录因子以增强植物对重金属胁迫耐受性提供了理论基础。

    Abstract:

    Heavy metals， such as cadmium and plumbum， are increasingly contaminating soil. These pollutants not only interfere the plant life cycle but also diminish crop yields and can even lead to plant mortality. Plants have evolved a series of defense mechanisms to mitigate the stress induced by heavy metals. Plant MYB transcription factors play pivotal role as key regulators under stress conditions. They interact with downstream target genes in response to heavy metal stress， thus enhancing tolerance and minimizing damage to plants. To elucidate the molecular mechanisms by which plants cope with heavy metal stress （especially cadmium stress） is a primary goal in plant biotechnology and agricultural breeding.This article reviews several critical aspects， including the identification and characteristics of MYB family members， their functions， the mechanisms of regulating target genes， as well as exploring how MYB modulate target genes to participate in heavy metal stress response through photosynthesis and hormones. Furthermore， we discuss the adaptive mechanism of plants to heavy metal stress， where MYB transcription factors combine with target genes or promoter elements through signaling pathways， including reactive oxygen species homeostasis， abscisic acid signaling， gibberellins signaling， and photosynthesis. These interactions are critical for regulating the uptake， transport and sequestration of heavy metals in plants. Collectively， this review provides a theoretical foundation for the further exploitation and utilization of MYB transcription factors in enhancing plant resilience to heavy metal stress.

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何锐,兴旺,刘大丽,等.MYB调控靶基因参与植物应答重金属胁迫的研究进展[J].植物遗传资源学报,2025,26(3):419-430.

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