Identification and analysis of the beta-catenin1 gene in half-smooth tongue sole (Cynoglossus semilaevis)

文献类型: 外文期刊

第一作者: Zhu, Ying

作者: Zhu, Ying;Lu, Sheng;Yang, Guanpin;Zhu, Ying;Xu, Wenteng;Li, Hailong;Guo, Hua;Meng, Liang;Wei, Min;Lu, Sheng;Shao, Changwei;Wang, Na;Chen, Songlin;Hu, Qiaomu;Xu, Wenteng;Li, Hailong;Guo, Hua;Meng, Liang;Wei, Min;Shao, Changwei;Wang, Na;Chen, Songlin

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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: 2017 年 12 卷 5 期

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收录情况: SCI

摘要: beta-catenin is a key signalling molecule in the canonical Wnt pathway, which plays a role in cell adhesion, embryogenesis and sex determination. However, little is known about its function in teleosts. We cloned and characterized the full-length beta-catenin1 gene from halfsmooth tongue sole (Cynoglossus semilaevis), which was designated CS-beta-catenin1. The CS-beta-catenin1 cDNA consists of 2,346 nucleotides and encodes a protein with 782 amino acids. Although CS-beta-catenin1 was transcribed in the gonads of both sexes, the level was significantly higher in ovaries compared to testes. Furthermore, the mRNA level of CS-beta-catenin1 was significantly upregulated at 160 days and constantly increased until 2 years of age. In situ hybridization revealed that CS-beta-catenin1 mRNA was mainly localized in oocyte cells, especially in stage I, II and III oocytes. When CS-beta-catenin1 expression was inhibited by injection of quercetin in the ovaries, levels of CS-Figla and CS-foxl2 mRNA were significantly down-regulated, and CS-dmrt1 was up-regulated, which suggested that CS-beta-catenin1 is a potential upstream gene of CS-Figla and is involved in the development of the ovaries, i.e., folliculogenesis.

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