Active ingredients biosynthesis and genic response of traditional Chinese medicine Ligusticum sinense cv. Chuanxiong under different cadmium level
文献类型： 外文期刊
作者： Xie, Yanluo 1 ; Liu, Huakang 2 ; Xie, Xingliang 1 ; Li, Yi 1 ; Peng, Fang 3 ; Zhao, Yun 2 ; Xu, Heng 2 ;
作者机构： 1.Chengdu Med Coll, Coll Pharm, Chengdu, Sichuan, Peoples R China
2.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm, Minist Educ, Chengdu 610065, Sichuan, Peoples R China
3.Sichuan Acad Agr Sci, Ind Crop Res Inst, Chengdu 610300, Peoples R China
关键词： Cd contaminated soil; L; Chuanxiong; Active ingredients biosynthesis; Physiological response; Comparative transcriptome analysis
期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.9； 五年影响因子：6.0 ）
ISSN： 0926-6690
年卷期： 2023 年 202 卷
页码：
收录情况： SCI
摘要： Ligusticum sinense cv. Chuanxiong (L. Chuanxiong), one of the most widely used traditional Chinese medicines, has been reported to suffer from cadmium (Cd) contamination. Thus, a genetic response to explain Cd transportation and resistance was necessary and critical for dealing with remediation. In this study, L. Chuanxiong was stressed by 0.13 (T0), 5 (T5) and 10 (T10) mg/kg Cd with comparative transcriptome analysis. Cd stored in L. Chuanxiong roots was c. 15 times higher than in aboveground plant parts. Zinc-regulated transporters (ZRT) and ABC-binding cassette transporters (ABC) genes were the major Cd-carriers in L. Chuanxiong cell wall. Moreover, the higher the Cd level, the more significantly up-regulated expression of ZRT and ABC. Metallothioneins (MTs) and Glutathione (GSH) genes were involved in Cd-binding inside L. Chuanxiong cells. Furthermore, Cd adsorption induced the genes related to cell antioxidant activities such as peroxidase, heat shock proteins and peptide methiomine sulfoxide reductase to deal with reactive oxygen species (ROS) damage, and the expression of those genes increased as Cd level increased. Biosynthesis of the activate ingredients ferulic acid in L. Chuanxiong was greatly influenced by Cd stress, presenting as the first key enzymes (phenylalanine ammonia-lyase) significantly down regulated. These novel findings provide a theoretical basis for Cd-control in medicinal plants.
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