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Exploring differentially expressed key genes related to development of follicle by RNA-seq in Peking ducks (Anas Platyrhynchos)

文献类型: 外文期刊

作者: Ren, Jindong 1 ; Sun, Changsen 1 ; Chen, Li 2 ; Hu, Jianhong 3 ; Huang, Xuetao 2 ; Liu, Xiaolin 3 ; Lu, Lizhi 2 ;

作者机构: 1.Taizhou Univ, Sch Life Sci, Taizhou, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Hangzhou, Zhejiang, Peoples R China

3.Northwest Agr & Forestry Univ, Coll Anim Sci & Technol, Yangling, Shaanxi, Peoples R China

期刊名称:PLOS ONE ( 影响因子:3.24; 五年影响因子:3.788 )

ISSN: 1932-6203

年卷期: 2019 年 14 卷 6 期

页码:

收录情况: SCI

摘要: Duck follicles enter different reproductive phases throughout life, and follicle gene expression patterns differ according to these phases. In particular, differentially expressed genes and related to development of follicle (mRNAs) play an important role to explore the key genes in this process; however, the expression profiles of these genes remain unclear. In this study, transcriptome sequencing was used to investigate the expression levels of duck ovarian genes, and comparative transcriptional analysis was carried out to identify differential genes, and cluster them into groups and function identification. The results showed differential expression of 593 coding genes between young and laying ducks, and of 518 coding genes between laying and old ducks. In further GO analysis, 35 genes from the comparison between old ducks and laying ducks have significant been changed involved in hormones related to follicle development. They include up-regulated genes StAR, CYP17, EPOX, 3 beta-HSD, CYP1B1 CYP19A1 and down-regulated genes SR-B1 in laying ducks hormone synthesis than old ducks. Among which EPOX is a key gene for time special highly expression during egg laying stage, and other key regulatory genes' highly expression showed in young and laying stage, and lower expression showing with follicular development stopping. Therefore, EPOX is a key regulator for duck follicle development in laying period, its expression level increase 100 times higher than in youth and decrease 98% than stop laying period in duck life cycle.

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