Genome-scale transcriptomic insights into the gene co-expression network of seed abortion in triploid Siraitia grosvenorii
文献类型： 外文期刊
作者： Wei, Rongchang 1 ; Tu, Dongping 2 ; Huang, Xiyang 3 ; Luo, Zuliang 4 ; Huang, Xiaohua 1 ; Cui, Nan 3 ; Xu, Juan 5 ; Xiong, Faqian 1 ; Yan, Haifeng 6 ; Ma, Xiaojun 4 ;
作者机构： 1.Guangxi Acad Agr Sci, Cash Crops Res Inst, Nanning 530007, Peoples R China
2.Guangxi Univ Chinese Med, Nanning 530020, Peoples R China
3.Guangxi Zhuang Autonomous Reg & Chinese Acad Sci, Guangxi Inst Bot, Guangxi Key Lab Plant Funct Phytochem Res & Susta, Guilin 541006, Peoples R China
4.Chinese Acad Med Sci & Peking Union Med Coll, Inst Med Plant Dev, Beijing 100193, Peoples R China
5.Guangxi Acad Agr Sci, Biotechnol Res Inst, Nanning 530007, Peoples R China
6.Guangxi Acad Agr Sci, Sugarcane Res Inst, Nanning 530007, Peoples R China
关键词： Siraitia grosvenorii; Seed abortion; Transcriptome; Gene-regulatory network; Plant hormones
期刊名称：BMC PLANT BIOLOGY （ 影响因子：5.26； 五年影响因子：5.761 ）
ISSN： 1471-2229
年卷期： 2022 年 22 卷 1 期
页码：
收录情况： SCI
摘要： Background Siraitia grosvenorii (Swingle) C. Jeffrey, also known as Luohanguo or monk fruit, is a famous traditional Chinese medicine ingredient with important medicinal value and broad development prospects. Diploid S. grosvenorii has too many seeds, which will increase the utilization cost of active ingredients. Thus, studying the molecular mechanism of seed abortion in triploid S. grosvenorii, identifying the abortion-related genes, and regulating their expression will be a new direction to obtain seedless S. grosvenorii. Herein, we examined the submicroscopic structure of triploid S. grosvenorii seeds during abortion. Results Upon measuring the endogenous hormone content, we found that abscisic acid (ABA) and trans-zeatin (ZR) levels were significantly downregulated after days 15 and 20 of flowering. RNA sequencing of triploid seeds at different developmental stages was performed to identify key genes regulating abortion in triploid S. grosvenorii seeds. Multiple genes with differential expression between adjacent stages were identified; seven genes were differentially expressed across all stages. Weight gene co-expression network analysis revealed that the enhancement of monoterpene and terpene metabolic processes might lead to seed abortion by reducing the substrate flow to ABA and ZR. Conclusions These findings provide insights into the gene-regulatory network of seed abortion in triploid S. grosvenorii from different perspectives, thereby facilitating the innovation of the breeding technology of S. grosvenorii.
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