Progress of Plant Cuticular Wax Synthesis and Its Regulatory Factor WIN/SHN

doi:10.13560/j.cnki.biotech.bull.1985.2020-0572

Abstract

Abstract:

Plant cuticular wax is a hydrophobic protective layer by which plants directly contact with the external environment. Because it can regulate the water in plants to deal with abiotic stresses such as drought,salt and cold,it plays an important role in plant growth and development. Among different species,the structure and composition of the plant cuticular wax vary largely,but all have similar wax synthesis pathways,and remarkable research results on these pathways has achieved. Many transcription factors（TFs）are involved in the wax biosynthesis of plants. WIN/SHN,which belongs to the AP2 TF family,regulates the expressions of wax synthesis-related genes by binding to their promoters,thereby affecting the waxy synthesis. Based on the synthesis of plant cuticular wax,this article focuses on the review of WIN/SHN TFs,including their structural characteristics,expression patterns,transcriptional regulation and the effects on physiology and phenotype,as well as their responses to stresses. Furthermore,the complexity of wax synthesis is also discussed. In view of the important value of wax for life science and agricultural production practice,it is of great significance to carry out in-depth research on the mechanism of wax synthesis,regulation,transport and deposition regulated by the genetic and environmental factors including WIN/SHN TFs.

Key words: wax, biosynthesis, wax induction factor WIN/SHN, transcriptional regulation

LI Xiao-pei, WANG Si-ning, SHI Jing-jing, GAO Zhi-min. Progress of Plant Cuticular Wax Synthesis and Its Regulatory Factor WIN/SHN[J]. Biotechnology Bulletin, 2020, 36(12): 129-136.

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