| Response of lignin synthesis in abiotic stress and its transcriptional regulation mechanism |
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| DOI：10.7606/j.issn.1000-7601.2025.04.30 |
| Key Words: lignin biosynthesis abiotic stress transcriptional regulation mechanism environmental adaptability |
| Author Name | Affiliation | | MU Haoxin | Vegetable Research Institute, Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, Zhejiang 324000, China
College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu 210014, China | | FANG Pingping | Vegetable Research Institute, Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, Zhejiang 324000, China
College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu 210014, China | | GUO Qinwei | Vegetable Research Institute, Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, Zhejiang 324000, China
College of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China | | YANG Lifei | Vegetable Research Institute, Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, Zhejiang 324000, China
College of Horticulture, Nanjing Agricultural University, Nanjing, Jiangsu 210014, China |
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| Abstract: |
| Lignin is the second most abundant complex phenolic compound in nature and the main constituent of plant cell walls. The biosynthesis of lignin involves a variety of key functional enzymes and is regulated by transcription factors. Understanding the response mechanisms of lignin to various abiotic stresses and the regulatory strategies of plants to cope with stresses, is of great significance for exploring plant growth and environmental adaptability, which will promote crop genetic improvement and germplasm innovation. In this paper, the biosynthetic pathway of lignin and the transcription factors regulating its synthesis were reviewed. The response and function of lignin synthesis under abiotic stress (drought, saline, temperature, and heavy metal stress, etc.) was introduced, the transcriptional regulation mechanism of lignin synthesis under abiotic stress was summarized. This review outlined the future research directions of lignin, emphasized the importance of regulating lignin synthesis through genetic engineering means to enhance the stress resistance of plants. The aim was to deepen the understanding of lignin biosynthesis and stress response mechanism, so as to provide reference for plant genetic improvement and germplasm innovation. |
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