Screening of temperature-responsive signalling molecules during sex differentiation in Asian yellow pond turtle (Mauremys mutica)
文献类型： 外文期刊
作者： Liu, Xiaoli 1 ; Xu, Haoyang 1 ; Peng, Mingwei 1 ; Zhou, Chenyao 1 ; Wei, Chengqing 1 ; Hong, Xiaoyou 1 ; Li, Wei 1 ; Chen, Chen 1 ; Ji, Liqin 1 ; Zhu, Xinping 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Minist Agr & Rural Affairs, Pearl River Fisheries Res Inst, Key Lab Trop & Subtrop Fishery Resources Applicat, Guangzhou 510380, Peoples R China
2.Shanghai Ocean Univ, Coll Life Sci & Fisheries, Shanghai 201306, Peoples R China
3.Zhejiang Ocean Univ, Sch Fishery, Zhoushan 316000, Peoples R China
关键词： Turtle; Gonadal transcriptome; RNA-seq; Sexual dimorphism; Temperature-dependent sex determination
期刊名称：BMC GENOMICS （ 影响因子：4.4； 五年影响因子：4.7 ）
ISSN： 1471-2164
年卷期： 2024 年 25 卷 1 期
页码：
收录情况： SCI
摘要： Background The Asian yellow pond turtle (Mauremys mutica) is an important commercial freshwater aquaculture species in China. This species is a highly sexually dimorphic species, with males growing at a faster rate than females and exhibits temperature-dependent sex determination (TSD), in which the incubation temperature during embryonic development determines the sexual fate. However, the mechanisms of the sex determination or sex differentiation in the Asian yellow pond turtle are remain a mystery. Results Temperature-specific gonadal transcriptomics of the Asian yellow pond turtle were performed during the thermosensitive period (stage 15) using RNA-seq technology to identify candidate genes that initiate gonadal differentiation. We uncovered candidates that were the first to respond to temperature. These candidates were sexually dimorphic in expression, reflecting differences in gonadal (Cirbp, Runx1) and germline differentiation (Vasa, Nanos1, Piwil2), gametogenesis (Hmgb3, Zar1, Ovoinhibitor-like, Kif4), steroid hormone biosynthesis (Hsd17b5, Hsd17b6), heat shock (Dnajb6, Hsp90b1, Hsp90aa1) and transient receptor potential channel genes (Trpm1, Trpm4, Trpm6, Trpv1). Conclusions Our work will provide important genetic information to elucidate the mechanisms of sex control in the Asian yellow pond turtles, and will contribute important genetic resources for further studies of temperature-dependent sex determination in turtles.
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