Portunus trituberculatus 43K SNP chip and application thereof
By developing a 43K SNP chip for the swimming crab *Portunus trituberculatus* and utilizing high-throughput gene detection technology, the problem of low breeding efficiency in *Portunus trituberculatus* has been solved, achieving efficient and accurate genotyping and breeding, and promoting the development of the *Portunus trituberculatus* industry.
CN121362836APending Publication Date: 2026-01-20YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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Patent Information
- Application Number
- CN202511296076.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-01-20
AI Technical Summary
Technical Problem
Current technologies have made slow progress in breeding swimming crabs, and molecular breeding techniques are needed to improve breeding efficiency.
Method used
A 43K SNP chip for swimming crabs was developed, containing 43,314 SNP molecular markers with a coverage of up to 95%, for high-throughput gene detection. It was then combined with liquid-phase probe hybridization chip technology for genotyping and breeding.
Benefits of technology
It achieves efficient and accurate genotyping, improves the breeding efficiency of swimming crabs, and can be widely used in germplasm resource identification, genetic diversity assessment, genetic map construction and QTL mapping, thus promoting the high-quality development of the industry.
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Figure CN121362836A_ABST
Abstract
The invention discloses a portunus trituberculatus 43K SNP (Single Nucleotide Polymorphism) chip and application thereof. According to the invention, 43314 SNP loci with high quality, high polymorphism and uniformly distributed chromosomes are obtained through screening, and a probe is designed aiming at the 43314 SNP markers, so that the 43K SNP chip of the portunus trituberculatus is obtained. The Portunus trituberculatus 43K SNP chip is excellent in overall performance, high in genotype detection rate, high in genotype accuracy and good in stability, and can be completely used for SNP genotyping detection of different Portunus trituberculatus samples. The method can be widely applied to different application scenes such as germplasm resource identification and genetic diversity evaluation of the portunus trituberculatus, genetic map construction and QTL positioning, whole genome association analysis and genome selective breeding, and has important significance in improving the breeding efficiency of the portunus trituberculatus and promoting high-quality development of the portunus trituberculatus industry in China.
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