SNP (Single Nucleotide Polymorphism) molecular marker for influencing wool length character of alpine merino and application of SNP molecular marker

Abstract

The invention belongs to the technical field of molecular genetics, and particularly relates to an SNP molecular marker influencing the wool length character of alpine merino and application. The SNP molecular marker is located at the 24178878th nucleotide site T / C mutation on the 22nd chromosome of the international sheep reference genome Oarv4.0 version. The invention further relates to a specific primer pair for detecting the SNP molecular marker by using a PCR technology, a kit containing the primer pair and a nucleotide polymorphism detection method, and compared with a traditional detection method, the technology has the advantages of high accuracy, high detection speed, low cost, easiness in result judgment and the like. SNP locus detection is used for carrying out early selection of the high-mountain merino wool length character, shortening the cultivation period and accelerating the cultivation process, an early selection technology of the high-mountain merino wool length character is established, the breeding time of the high-mountain merino wool length character is shortened, the breeding cost is reduced, and the application value is very high.

Description

technical field [0001] The invention belongs to the technical field of molecular genetics, and in particular relates to a SNP molecular marker affecting the long traits of alpine merino wool and its application. Background technique [0002] Wool refers to a layer of fibers with textile value covering the surface of sheep, which is a derivative of skin. Wool is the main raw material of the wool spinning industry, accounting for about 97% of wool spinning raw materials, and is mainly used to process clothing fabrics, wool, blankets and other products. In wool production and breeding practice, wool traits are important economic traits, mainly including multiple indicators such as wool length, wool yield, average fiber diameter, curvature, breaking strength, elongation, net wool rate, etc., which are related to weaving products and Economic benefits are closely related. Demand for wool has outstripped supply due to population growth. As market demands change, producing high-...

AI Technical Summary

Problems solved by technology

In recent years, fine-wool sheep genetics and breeding experts at home and abroad have been devoting themselves to the research of candidate genes or molecular markers controlling wool traits, but no molecular marker system for fine-wool traits has been established so far, and a large number of important genetic resources for regulating wool traits have not yet been established. be effectively mined and utilized

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