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Transcriptome Analysis of Acer truncatum Seeds Reveals Candidate Genes Related to Oil Biosynthesis and Fatty Acid Metabolism

文献类型： 外文期刊

作者： Ma, Qiuyue 1 ; Li, Shushun 1 ; Wen, Jing 1 ; Zhu, Lu 1 ; Yan, Kunyuan 1 ; Li, Qianzhong 1 ; Li, Shuxian 2 ; Zhang, Bin 2 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Leisure Agr, Nanjing 210014, Peoples R China

2.Nanjing Forestry Univ, Southern Modern Forestry Collaborat Innovat Ctr, Nanjing 210037, Peoples R China

关键词： differentially expressed gene; unsaturated fatty acids; RNA sequencing; transcription factors

期刊名称：JOURNAL OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE （ 影响因子：1.144； 五年影响因子：1.617 ）

ISSN： 0003-1062

年卷期： 2021 年 146 卷 2 期

页码：

收录情况： SCI

摘要： Acer truncatum seeds are an excellent source of beneficial natural compounds, including high levels of unsaturated fatty acids (UFAs), that promote health. Recently, A. truncatum has emerged as an oil crop. Therefore, the transcriptomes of A. truncatum seeds at 70, 85, 100, 115, 145, 180 days after flowering (DAF) were analyzed to gain a better understanding of the transcriptional and translational regulation of seed development and oil biosynthesis. A total of 28,438 genes were identified, and 3069/2636, 3288/3438, 1319/2750, and 5724/5815 upregulated/downregulated genes were identified when comparing different samples with 85 DAF seeds. Sixteen lipid metabolism pathways with 754 differentially expressed genes (DEGs) were identified, including 34 DEGs associated with UFA biosynthesis. A phylogenetic analysis revealed that six putative fatty acid desaturase (FAD) genes clustered into five FAD groups. A quantitative real-time polymerase chain reaction analysis indicated that the temporal expression patterns of oil biosynthesis genes and transcription factors were largely similar to the RNA sequencing results. The results of this study will enhance the current understanding of oil metabolism in A. truncatum seeds and allow new methods of improving oil quality and seed yield in the future.

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