期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 171, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2021.113875
关键词
Cinnamomum camphora; Terpenoid biosynthesis; LncRNA; Different chemotypes; Regulatory network
资金
- Opening Fund of the Key Laboratory of Horticultural Plant Genetic and Improvement of Jiangxi Province [2020KFJJ002]
- National Natural Science Foundation of China [32060354]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Terpenoids are the main constituents in the leaf essential oil of Cinnamomum camphora, which is widely used in food, cosmetic, and pharmaceutical industries. This study identified long non-coding RNAs (lncRNAs) related to terpenoid biosynthesis in different chemotypes of C. camphora and constructed regulatory networks for terpenoid biosynthesis. The results provide valuable genetic resources for further research on the functions of lncRNAs and their regulatory roles in terpenoid biosynthesis.
Terpenoids are the main constituents in the leaf essential oil (LEO) of Cinnamomum camphora, which has long been considered an important raw material for food, cosmetic and pharmaceutical industries. However, most previous studies have concentrated more on the functions of structural genes and microRNAs in terpenoid biosynthesis pathways. Long non-coding RNAs (lncRNAs) related to terpenoid biosynthesis are rarely reported. Here, the components of LEOs in cineole-, linalool- and nerolidol-type C. camphora were determined by gas chromatography-mass spectrometry (GC-MS). Strand-specific RNA sequencing (ssRNA-seq) was used to identify lncRNAs involved in terpenoid biosynthesis in three chemotypes of C. camphora. A total of 8826 lncRNAs were first classified in C. camphora: 4331 long intergenic noncoding RNAs (lincRNAs), 1410 antisense lncRNAs, and 3085 sense overlapping lncRNAs. Among these lncRNAs, 243, 343, and 252 were classified as cineole-, linalooland nerolidol-specific lncRNAs, respectively. Many target genes of differentially expressed lncRNAs (DELs) were enriched in terpenoid biosynthesis pathways, and 17 DELs were related to monoterpenoid and sesquiterpenoid biosynthesis. Moreover, we also constructed lncRNA-protein-coding gene (PCgenes) regulatory networks for terpenoid biosynthesis. This study supplies precious genetic resources to further research on lncRNA functions and their role in the regulatory mechanism of terpenoid biosynthesis.
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