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SNP marker and molecular marker significantly related to Australian white sheep wool thickness and application

A molecular marker, sheep technology, applied in the fields of genetic engineering and molecular biology, can solve the problem of undiscovered patent documents and other problems, and achieve the effect of improving the selection efficiency

Active Publication Date: 2019-05-31
天津奥群牧业有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] Through the search of published patent documents, no published patent documents identical to this patent application have been found

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  • SNP marker and molecular marker significantly related to Australian white sheep wool thickness and application
  • SNP marker and molecular marker significantly related to Australian white sheep wool thickness and application
  • SNP marker and molecular marker significantly related to Australian white sheep wool thickness and application

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Embodiment Construction

[0023] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0024] A SNP marker that is extremely significantly correlated with the hair thickness of Australian white sheep. Its innovation lies in that the marker has two alleles, A and G, and is located at nucleotide position 7270707 on chromosome Oar_v4.025 of the international sheep genome Point Chr25:7270707.

[0025] The SNP marker is located at the nucleotide site 7270707 on chromosome 7270707 of the international sheep genome Oar_v4.025, and has an A / G polymorphism. The SNP marker is extremely significantly correlated with the hair thickness of Australian white sheep P<0.01.

[0026] The one with A / G polymorphism is g.7270707A / G.

[0027] The number of G alleles at the g.7270707A / G site was significantly correlated with hair thickness.

[0028] A molecular marker based on a SNP marker significantly correlated with the hair thickness of Australian wh...

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Abstract

The invention belongs to the fields of genetic breeding of animals, SNP markers and application, and particularly relates to an SNP marker and a molecular marker significantly related to Australian white sheep wool thickness and application. The molecular marker nucleotide sequence is shown as SEQ ID NO:1, an A / G allele mutation exists at a basic group of the position 111 of the sequence, and whenthe nucleotide at the position 111 of SEQ ID NO:1 is G, the hair of Australian white sheep is thicker. The invention also discloses a preparation method of the molecular marker related to the Australian white sheep wool thickness and application of a correlation analysis method thereof. A new SNP molecular marker is provided for molecular marker-assisted selection of thick wool traits of Australian white sheep, and the SNP molecular marker can be used for selective breeding and early selection of new Australian white sheep strains and in the process of breeding new Australian white sheep varieties by using Australian white sheep, so that the selection accuracy can be improved, and the breeding and purification progress can be accelerated.

Description

technical field [0001] The invention belongs to the fields of genetic engineering and molecular biology, and relates to animal genetic breeding, SNP markers and applications, in particular to a SNP marker, molecular markers and applications significantly related to the hair thickness of Australian white sheep. Background technique [0002] Australian White Sheep is a coarse-haired sheep bred by the Australian White Sheep Breeders Association of Australia, which integrates the excellent genes of White-headed Dorper sheep, Wanrui sheep, Hornless Dorset sheep and Texel sheep. A specialized mutton sheep breed. This breed was officially registered in Australia in October 2009 and launched in March 2011. In May 2011, the Australian White sheep was introduced from the Australian HVD Breeding Company by Tianjin Aoqun Animal Husbandry Co., Ltd. In view of the problems encountered in the introduction and local domestication, after the completion of the introduction adaptability test...

Claims

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Application Information

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IPC IPC(8): C12Q1/6888C12N15/11
CPCY02P60/87
Inventor 张清峰陈华林春建卢小芳杨漫漫王然李斌王斌段崇杰刘志鹏
Owner 天津奥群牧业有限公司
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