Transcriptome analysis reveals key genes and pathways related to sex differentiation in the Chinese soft-shelled turtle (Pelodiscus sinensis)

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 d...

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Published in:Comparative biochemistry and physiology. Part D, Genomics & proteomics Genomics & proteomics, 2022-06, Vol.42, p.100986-100986, Article 100986
Main Authors: Lei, Luo, Chen, Chen, Zhu, Junxian, Wang, Yakun, Liu, Xiaoli, Liu, Haiyang, Geng, Lulu, Su, Junyu, Li, Wei, Zhu, Xinping
Format: Article
Language:English
Subjects:
Pelodiscus sinensis
RNA-Seq
Sex differentiation
Sex-related genes
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Summary: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 
ISSN:1744-117X
1878-0407
DOI:10.1016/j.cbd.2022.100986