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    Article

    Effects of Selenium on Growth and Biochemical Characters of Tissue Culture Seedlings of Sophora tonkinensis

    Lin-xuan Li1,2, Zhu Qiao1,2★, Jin-yuan Cai3, Ying Liang1,2, Yang Lin1,2, Gui-li Wei1,2, Xiao-li Hou1,2, Jian-hua Miao1,2, Kun-hua Wei1,2★★ Corresponding author

    1. 1Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning, China.
    2. 2Guangxi Engineering Research Center of TCM Resource Intelligent Creation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China.
    3. 3Key Laboratory of Medicinal and Edible Homologous Plants, School of Food And Chemical Engineering, Liuzhou Institute of Technology, Liuzhou, China.

    CORRESPONDENCE

    Zhu Qiao

    Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning 530023, China. ; Kun-hua Wei,Guangxi Key Laboratory of Medicinal Resources Protection and Genetic Improvement, Guangxi Botanical Garden of Medicinal Plants, Nanning 530023, China. Email: divinekh@163.com

    qiaozhu@gxyyzwy.com

    Received: 31-08-2022; Accepted: 21-11-2022.

    Volume 19, Issue 3 · pp. 772–781 · PUBLISHED 2023 · DOI: 10.1177/09731296231169614

    View on Pharmacogn. Mag. original site ↗

    ABSTRACT

    Background: Selenium (Se) plays a key role in controlling several processes in plant development, such as root growth and regulation of enzyme activity. However, research on the effects of Se in Sophora tonkinensis, a medicinal plant, has not been reported. To elucidate the effect of Se on the accumulation of secondary metabolites in tissue-cultured seedlings of S. tonkinensis. Materials and Methods: Tissue culture seedlings of S. tonkinensis was treated with different concentrations of Se in the rooting medium. Agronomic traits of roots and concentrations of hormones and some secondary metabolites were measured from seedlings. Results: The results show that (1) root growth of tissue culture seedlings were stimulated by Se; (2) a specific amount of Se enhanced the activities of peroxidase (POD) and superoxide dismutase (SOD), as well as the production and storage of soluble proteins and chlorophyll; and (3) Se treatment lowered brassinolide (BR) content, and 15 mg/L Se minimized abscisic acid (ABA) content, while 60 mg/L Se enhanced ABA content. The gibberellin (GA3) content in seedlings increased significantly compared with the control under the treatment of 60 mg/L Se. Conclusion: Se concentration of 30 mg/L facilitated matrine and oxymatrine production and accumulation in stem/leaf tissues.

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      Li, L., Qiao, Z., Cai, J., Liang, Y., Lin, Y., Wei, G., Hou, X., Miao, J., & Wei, K. (2023). Effects of Selenium on Growth and Biochemical Characters of Tissue Culture Seedlings of Sophora tonkinensis. Pharmacognosy Magazine, 19(3), 772–781. https://doi.org/10.1177/09731296231169614