热带亚热带植物学报2025，Vol.33Issue(4)：407-416,10.DOI:10.11926/jtsb.4891
热带睡莲叶片胎生苗的生长机理
Growth Mechanism of Viviparous Seedlings from Tropical Water Lily Leaves
摘要
Abstract
In order to understand the growth mechanism of viviparous seedlings of water lily,transcriptomic and hormone-targeted metabolism of Nymphaea'Blue Bird'leaves with strong viviparous ability were detected,and key differential genes and main influencing hormones in the viviparous seedling development process of water lily leaves were discovered.The results showed that a total of 4 714 differentially expressed genes were detected from 3 stages of viviparous development,and 19 key differentially expressed genes related to viviparous development were screened out.During viviparous development,their expressions of differentially expressed genes showed a gradual increasing trend,mainly focusing on 3 metabolic pathways,including hormone synthesis,carbohydrate metabolism and light response.The metabolome detected 2 abscisic acids,11 auxin,11 cytokinins,1 ethylene,1 gibberellin,6 jasmonic acids and 2 salicylic acids,among which 16 key differential metabolites were screened,main in auxin(TRP,ICAld,IAA-Asp,ICA),gibberellin(GA3),cytokinin(2MeScZR,IP,cZR,cZROG,tZOG),and the levels of these hormones increased with the development of viviparous sites.So,it would provide a new theoretical basis for the breeding of water lily viviparous seedlings.关键词
睡莲/转录组学/代谢组学/胎生Key words
Water lily/Transcriptomics/Metabolomics/Vivipation引用本文复制引用
李清雪,黎洁,许慧娴,潘庆龙,林秀雅,赵莹,史佑海,王健..热带睡莲叶片胎生苗的生长机理[J].热带亚热带植物学报,2025,33(4):407-416,10.基金项目
国家自然科学基金项目(32160719) （32160719）
海口市重点科技计划项目(2022-13) （2022-13）
海南省重点研发项目(ZDYF2022XDNY179,ZDYF2020152)资助 This work was supported by the National Natural Science Foundation of China(Grant No.32160719),the Project for Key Science and Technology Planning in Haikou(Grant No.2022-13),and the Project for Key R&D in Hainan(Grant No.ZDYF2022XDNY179,ZDYF2020152). （ZDYF2022XDNY179,ZDYF2020152）
