Transcriptome analysis reveals key genes and pathways related to sex differentiation in the Chinese soft-shelled turtle (Pelodiscus sinensis)
文献类型： 外文期刊
作者： Lei, Luo 1 ; Chen, Chen 2 ; Zhu, Junxian 2 ; Wang, Yakun 2 ; Liu, Xiaoli 2 ; Liu, Haiyang 2 ; Geng, Lulu 1 ; Su, Junyu 2 ; Li, Wei 2 ; Zhu, Xinping 1 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Jiangsu, Peoples R China
2.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Minist Agr & Rural Affairs, Key Lab Trop & Subtrop Fishery Resource Applicat, Guangzhou 510380, Guangdong, Peoples R China
关键词： Pelodiscus sinensis; RNA-Seq; Sex differentiation; Sex-related genes
期刊名称：COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS （ 影响因子：3.306； 五年影响因子：3.251 ）
ISSN： 1744-117X
年卷期： 2022 年 42 卷
页码：
收录情况： SCI
摘要： Most vertebrates exhibit sexual dimorphisms in size, colour, behaviour, physiology and many others. The Chinese soft-shelled turtle (Pelodiscus sinensis) male individuals reach a larger size than females which produce significant economic implications in aquaculture. However, the mechanisms of sex determination and plastic patterns of sex differentiation in P. sinensis remain unclear. Here, comparative transcriptome analysis on male and female embryonic gonads prior to gonad formation and stages mediated gonadal differentiation of P. sinensis were performed to characterize the potential sex-related genes and their molecular pathways in P. sinensis. A total of 6369 differentially expressed genes (DEGs) were identified from day 9 and day 16 and assigned to 626 GO pathways and 161 KEGG signalling pathways, including ovarian steroidogenesis pathway, steroid hormone biosynthesis pathways, and the GnRH signalling pathway (P < 0.05). Moreover, protein interaction network analyses revealed that Akr1c3, Sult2b1, Sts, Cyp3a, Cyp1b1, Sox30 and Lhx9 might be key candidate genes for sex differentiation in P. sinensis. These data provide a genomic rationale for the sex differentiation of P. sinensis and enrich the candidate gene pool for sex differentiation.
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