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Transcriptomic and metabolomic analyses of Lycium ruthenicum and Lycium barbarum fruits during ripening

文献类型： 外文期刊

作者： Zhao, Jianhua 1 ; Li, Haoxia 2 ; Yin, Yue 1 ; An, Wei 1 ; Qin, Xiaoya 1 ; Wang, Yajun 1 ; Li, Yanlong 1 ; Fan, Yunfang 1 ; C 1 ;

作者机构： 1.Ningxia Acad Agr & Forestry Sci, Wolfberry Engn Res Inst, Natl Wolfberry Engn Res Ctr, Yinchuan 750002, Ningxia, Peoples R China

2.Ningxia Acad Agr & Forestry Sci, Desertificat Control Res Inst, Yinchuan 750002, Ningxia, Peoples R China

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2020 年 10 卷 1 期

页码：

收录情况： SCI

摘要： Red wolfberry (or goji berry, Lycium barbarum; LB) is an important agricultural product with a high content of pharmacologically important secondary metabolites such as phenylpropanoids. A close relative, black wolfberry (L. ruthenicum; LR), endemic to the salinized deserts of northwestern China, is used only locally. The two fruits exhibit many morphological and phytochemical differences, but genetic mechanisms underlying them remain poorly explored. In order to identify the genes of interest for further studies, we studied transcriptomic (Illumina HiSeq) and metabolomic (LC-MS) profiles of the two fruits during five developmental stages (young to ripe). As expected, we identified much higher numbers of significantly differentially regulated genes (DEGs) than metabolites. The highest numbers were identified in pairwise comparisons including the first stage for both species, but total numbers were consistently somewhat lower for the LR. The number of differentially regulated metabolites in pairwise comparisons of developmental stages varied from 66 (stages 3 vs 4) to 133 (stages 2 vs 5) in both species. We identified a number of genes (e.g. AAT1, metE, pip) and metabolites (e.g. rutin, raffinose, galactinol, trehalose, citrulline and DL-arginine) that may be of interest to future functional studies of stress adaptation in plants. As LB is also highly suitable for combating soil desertification and alleviating soil salinity/alkalinity/pollution, its potential for human use may be much wider than its current, highly localized, relevance.

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