A set of salmon microsatellite loci, primer sets and applications thereof

By developing new microsatellite loci and primer sets for salmon, and utilizing next-generation sequencing and bioinformatics screening combined with fluorescence detection, the problem of insufficient accuracy in polyploid identification in existing technologies has been solved, enabling efficient and accurate polyploid breeding and population genetic analysis.

CN122405830APending Publication Date: 2026-07-17FISHERIES SCI RES INST OF JILIN PROVINCE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FISHERIES SCI RES INST OF JILIN PROVINCE
Filing Date
2026-04-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing microsatellite markers for salmon are limited in number and lack precision in polyploid identification, making it difficult to accurately distinguish between diploid and triploid species, thus affecting the efficiency and accuracy of polyploid breeding.

Method used

We developed a new set of microsatellite loci and primer sets for salmon, screened candidate loci through next-generation sequencing and bioinformatics analysis, designed specific PCR amplification primers, and verified polymorphism by combining fluorescence detection to establish a high-precision identification method.

Benefits of technology

It significantly improves the accuracy and reliability of polyploid breeding identification, enabling rapid and accurate differentiation between diploid and triploid, thereby enhancing breeding efficiency and result stability.

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Abstract

本发明公开了一组大麻哈鱼微卫星位点、引物组及其应用,属于分子生物学DNA分子标记技术领域。本发明提供一组新的大麻哈鱼微卫星DNA标记位点及与其特异性结合的引物组。提供一种基于二代高通量测序技术快速、高效筛选上述微卫星位点的方法。将本发明新开发的微卫星标记位点与已有标记组合使用,建立一套能够有效、准确鉴定大麻哈鱼二倍体与三倍体个体的分子标记检测体系,服务于大麻哈鱼多倍体育种的分子标记辅助选择(MAS)实践。本发明可直接鉴定大麻哈鱼倍性,在分子标记辅助育种中的应用中具有广泛应用价值。
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