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Analysis of testis metabolome and transcriptome from the oriental river prawn (Macrobrachium nipponense) in response to different temperatures and illumination times

文献类型： 外文期刊

作者： Jin, Shubo 1 ; Hu, Yuning 2 ; Fu, Hongtuo 1 ; Sun, Shengming 1 ; Jiang, Sufei 1 ; Xiong, Yiwei 1 ; Qiao, Hui 1 ; Zhang, W 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Wuxi 214081, Jiangsu, Peoples R China

2.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Jiangsu, Peoples R China

关键词： Macrobrachium nipponense; Metabolomes and transcriptome; Testis; Histological observation; Sexual differentiation and development

期刊名称：COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS （ 影响因子：2.674； 五年影响因子：2.941 ）

ISSN： 1744-117X

年卷期： 2020 年 34 卷

页码：

收录情况： SCI

摘要： A better understanding of the mechanisms underlying the male sexual differentiation of Macrobrachium nipponense is urgently needed in order to maintain sustainable development of the M. nipponense industry. Environmental factors, especially temperature and illumination, have dramatic effects on gonadal development. The aim of the present study was to identify key genes and metabolites involved in the male sexual differentiation and development of M. nipponense through integrated metabolomics and transcriptome analyses of the testis in response to different temperatures and illumination times. A total of 268 differentially abundant metabolites and 11,832 differentially expressed genes (DEGs) were identified. According to integrated metabolomics and transcriptome analyses, glycerophospholipid and sphingolipid metabolism was predicted to have dramatic effects on the male sexual differentiation and development of M. nipponense. According to the KEGG enrichment analysis of DEGs, oxidative phosphorylation, glycolysis/gluconeogenesis, the HIF-1 signaling pathway, the citrate cycle, steroid hormone synthesis, and the spliceosome complex were predicted to promote male differentiation and development by providing adenosine triphosphate, promoting the synthesis of steroid hormones, and providing correct gene products. Quantitative polymerase chain reaction analysis and in situ hybridization showed that the SDHB, PDE1, HSDL1, CYP81F2, SRSF, and SNRNP40 genes were differentially expressed, suggesting roles in the male sexual differentiation and development of M. nipponense. Strong candidate sex-related metabolic pathways and genes in M. nipponense were identified by integrated metabolomics and transcriptome analyses of the testis in response to different temperatures and illumination times, as confirmed by PCR analysis and in situ hybridization.

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