ArticleMarine biotechnology (New York, N.Y.)2020
Isolation of a Male-Specific Molecular Marker and Development of a Genetic Sex Identification Technique in Spotted Knifejaw (Oplegnathus punctatus).
Article in Marine biotechnology (New York, N.Y.), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Assessment of two minimally invasive methodologies for sex identification in the European eel, Anguilla anguilla.Journal of fish biology · 2026Article
- Dose-dependent role of AMH and AMHR2 signaling in male differentiation and regulation of sex determination in Spotted knifejaw (Oplegnathus punctatus) with XCell communication and signaling : CCS · 2025Article
- Development and validation of sex-associated markers using whole-genome re-sequencing in frogFrontiers in genetics · 2025Article
- Advances in biotechnology and breeding innovations in China's marine aquaculture.Advanced biotechnology · 2024Review
- Genome-Wide Association Studies (GWAS) and Transcriptome Analysis Reveal Male Heterogametic Sex-Determining Regions and Candidate Genes in Northern Snakeheads (International journal of molecular sciences · 2024Article
- Reconstruction of the Origin of a Neo-Y Sex Chromosome and Its Evolution in the Spotted Knifejaw, Oplegnathus punctatus.Molecular biology and evolution · 2021Article
- Identification and Characterization of Dimorphic Expression of Sex-Related Genes in Rock Bream, a Fish With Multiple Sex Chromosomes.Frontiers in genetics · 2021Article
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10 authors.
Funding
Abstract
Sex-specific DNA markers are very helpful for identifying genetic sex and studying sex determination mechanisms in fish. To identify the sex-specific markers of spotted knifejaw (Oplegnathus punctatus), we performed a comparative analysis of the female and male genomes. In this study, an 18 bp insertion was identified in the male genome after verification by sequencing depth and PCR. An effective and rapid method based on PCR was then developed to identify the genetic sex. A male-female-shared primer pair and a male-specific primer were designed for PCR amplification to avoid false-negative phenomena. To examine the primers in practice, we utilized hundreds of spotted knifejaw fish from different groups to identify their genetic sex, and the results were consistent with their phenotypic sex. The male-specific DNA marker would be helpful for artificial breeding, Y chromosome assembly and further study of the sex determination mechanism. This study is the first to identify an effective sex-specific marker in spotted knifejaw.
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