SNP molecular markers associated with gonadal traits of red-spotted grouper (epinephelus akaara) and application thereof

By using SNP molecular markers related to gonadal trait in red-finned pufferfish, combined with genotype mutation sites for detection and breeding, the problem of low breeding efficiency in red-finned pufferfish has been solved, and more efficient screening and breeding of gonadal trait has been achieved.

CN122128440APending Publication Date: 2026-06-02BEIDAIHE CENT EXPERIMENTAL STATION OF CHINESE ACAD OF FISHERY SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIDAIHE CENT EXPERIMENTAL STATION OF CHINESE ACAD OF FISHERY SCI
Filing Date
2026-04-09
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing technologies for breeding redfin pufferfish have low efficiency, and selection and hybridization breeding methods are not accurate enough, making it difficult to effectively screen out superior breeds with good gonadal traits.

Method used

Using SNP molecular markers associated with gonadal weight in redfin pufferfish, association analysis was performed at genotype mutation sites Chr 4:13241593 (AG), Chr 4:13819857 (CT), and Chr 4:13274607 (CT) to develop kits and reagents for detection and breeding, including primers and probes, which were then combined with nucleic acid extraction reagents for detection.

Benefits of technology

This method improves the accuracy of gonadal trait detection and breeding efficiency in red-finned pufferfish. Compared with traditional methods, it is more efficient and accurate, and has broad application prospects.

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Abstract

The application provides a SNP molecular marker related to gonadal weight traits of Takifugu rubripes and application thereof, and relates to the technical field of biology.Combining the gonadal weight traits of Takifugu rubripes, the application performs association analysis, and successfully mines the SNP molecular marker significantly related to the gonadal weight traits of Takifugu rubripes.The SNP molecular marker is used for breeding of the gonadal fine breed of Takifugu rubripes.Compared with traditional breeding methods based on phenotypes, the SNP molecular marker has higher accuracy and detection efficiency, and has a wide application prospect.
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