Integrated application of transcriptomics and metabolomics yields insights into population-asynchronous ovary development in Coilia nasus
文献类型： 外文期刊
作者： Xu, Gangchun 1 ; Du, Fukuan 2 ; Li, Yan 2 ; Nie, Zhijuan 2 ; Xu, Pao 1 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Jiangsu, Peoples R China
2.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Wuxi 214081, Jiangsu, 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： 2016 年 6 卷
页码：
收录情况： SCI
摘要： Populations of Coilia nasus demonstrate asynchronous ovarian development, which severely restricts artificial breeding and large-scale cultivation. In this study, we used a combination of transcriptomic and metabolomic methods to identify the key signaling pathways and genes regulation affecting ovarian development. We identified 565 compounds and generated 47,049 unigenes from ovary tissue. Fifteen metabolites and 830 genes were significantly up-regulated, while 27 metabolites and 642 genes were significantly down-regulated from stage III to stage IV of ovary development. Meanwhile, 31 metabolites and 1,932 genes were significantly up-regulated, and four metabolites and 764 genes were down-regulated from stage IV to stage V. These differentially expressed genes and metabolites were enriched by MetScape. Forty-three and 50 signaling pathways had important functions from stage III-IV and from stage IV-V in the ovary, respectively. Among the above signaling pathways, 39 played important roles from ovarian stage III-V, including "squalene and cholesterol biosynthesis", "steroid hormone biosynthesis", and "arachidonate metabolism and prostaglandin formation" pathways which may thus have key roles in regulating asynchronous development. These results shed new light on our understanding of the mechanisms responsible for population-asynchronous development in fish.
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Coilia nasus
