Expression and localization of HPG axis-related genes in Carassius auratus with different ploidy

In the Dongting water system, the (Crucian carp) complex is characterized by the coexistence of diploid forms (2n=100, 2nCC) and polyploidy forms. The diploid (2nCC) and triploid C.auratus (3n=150, 3nCC) had the same fertility levels, reaching sexual maturity at one year. The nucleotide sequence, ge...

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Published in:Frontiers in endocrinology (Lausanne) 2024-02, Vol.15, p.1336679-1336679
Main Authors: Xu, Xiaowei, Yang, Li, Deng, Xinyi, Xiao, Qingwen, Huang, Xu, Wang, Chongqing, Zhou, Yue, Luo, Xiang, Zhang, Yuxin, Xu, Xidan, Qin, Qinbo, Liu, Shaojun
Format: Article
Language:English
Subjects:
Animals
Carps
Endocrinology
fertile triploid C. auratus
Goldfish - genetics
Gonadotropin-Releasing Hormone - genetics
HPG axis
Hypothalamic-Pituitary-Gonadal Axis
immunofluorescence
methylation
Ploidies
triploidization
Triploidy
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Summary:In the Dongting water system, the (Crucian carp) complex is characterized by the coexistence of diploid forms (2n=100, 2nCC) and polyploidy forms. The diploid (2nCC) and triploid C.auratus (3n=150, 3nCC) had the same fertility levels, reaching sexual maturity at one year. The nucleotide sequence, gene expression, methylation, and immunofluorescence of the gonadotropin releasing hormone 2( ), Gonadotropin hormone beta( ), and Gonadotropin-releasing hormone receptor( ) genes pivotal genes of the hypothalamic-pituitary-gonadal (HPG) axis were analyzed. The analysis results indicated that , follicle-stimulating hormone receptor( ), and Lethal hybrid rescue( ) genes increased the copy number and distinct structural differentiation in 3nCC compared to that in 2nCC. The transcript levels of HPG axis genes in 3nCC were higher than 2nCC (P
ISSN:1664-2392
1664-2392
DOI:10.3389/fendo.2024.1336679