鉴定小麦粒重和粒长的SNP分子标记及其应用
By locating SNP sites on wheat chromosome 2A and designing KASP markers, the problem of identifying wheat grain weight and length was solved, enabling efficient breeding, increasing wheat yield, and ensuring food security.
CN115852021BActive Publication Date: 2026-07-17INST OF CEREAL & OIL CROPS HEBEI ACAD OF AGRI & FORESTRY SCI
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- INST OF CEREAL & OIL CROPS HEBEI ACAD OF AGRI & FORESTRY SCI
- Filing Date
- 2022-09-21
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies are insufficient for efficiently identifying wheat grain weight and length, making it difficult to select high-yielding and superior varieties in wheat breeding, which affects food security.
Method used
By locating SNP sites on wheat chromosome 2A through genome-wide association analysis, designing KASP molecular markers, and using primer combinations for PCR amplification and fluorescence detection, the genotypes of wheat grain weight and grain length were identified.
Benefits of technology
It enables high-throughput and accurate identification of wheat grain weight and length, provides an efficient breeding method, improves wheat yield and yield stability, and ensures food security.
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Abstract
本发明公开了一种鉴定小麦粒重和粒长的SNP分子标记及其应用。本发明属于生物技术领域，具体包括检测待测小麦基因组中SNP位点的多态性或基因型(等位基因)，根据所述基因型鉴定或辅助鉴定小麦粒重和粒长，所述SNP位点为小麦2A染色体上的一个位点，其核苷酸种类为G或T，为序列表中序列1的第101位核苷酸。本发明可用于预测小麦粒重和粒长，和进行小麦育种。可将检测所述SNP位点多态性和基因型的物质与其他物质(如检测其他与小麦粒重和粒长相关的分子标记的单核苷酸多态性或基因型的物质)联合在一起制备鉴定小麦高粒重、粒长产品。
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