Sex Identification and Control in Half‐Smooth Tongue Sole

Chen, Songlin; Xu, Wenteng

doi:10.1002/9781119127291.ch27

Cited by 1 publication

(2 citation statements)

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“…It is of great significance to analyze the regulation mechanism of cell fate in the process of spermatogenesis for realizing sperm production in vitro and accurate breeding with sex control. Cynoglossus semilaevis is an important economic fish in China, and there is a great sexual size dimorphism between males and females, with females being 2–4 times larger than males [ 7 ]. Genetic females may be transformed into phenotypic males, while the transformation from genetic male to phenotypic female is irreversible, which means that sex control breeding has great practical significance [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

“…Cynoglossus semilaevis is an important economic fish in China, and there is a great sexual size dimorphism between males and females, with females being 2–4 times larger than males [ 7 ]. Genetic females may be transformed into phenotypic males, while the transformation from genetic male to phenotypic female is irreversible, which means that sex control breeding has great practical significance [ 7 ]. According to the statistical data of Li et al, in a natural state, the proportion of males is always higher than that of females [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

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The Role of Z Chromosome Localization Gene psmd9 in Spermatogenesis of Cynoglossus semilaevis

Zhang,

Wang,

Liu

et al. 2024

IJMS

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Proteasome 26S Subunit, Non-ATPase 9 (psmd9) plays an important role in the balance of protamine and the stability of the nucleolar structure during spermatogenesis. In this study, we cloned the psmd9 of Cynoglossus semilaevis and analyzed its expression pattern. psmd9 was identified on the Z chromosome of C. semilaevis, which is considered an interesting candidate gene for spermatogenesis. qRT-PCR and FISH experiments showed that the psmd9 gene was significantly highly expressed in the testes. It is worth noting that the expression level of psmd9 in male fish testes is significantly higher than that in pseudomales. In order to further explore the role of psmd9 in spermatogenesis, a male testicular cell line was used as the experimental material. The results of the psmd9-RNAi and overexpression experiments showed that psmd9 had a synergistic effect with spermatogenesis-related genes dnd1, cfap69, dnah3 and dnajb13, but had an antagonistic effect with ccne2. Our findings offer a scientific foundation for comprehending the role of psmd9 in the spermatogenesis regulatory network of C. semilaevis.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%