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A method for drawing genetic composition maps of wheat varieties

A wheat and map technology, which is applied in the field of drawing the genetic composition map of wheat varieties

Active Publication Date: 2019-12-06
QINGDAO ACAD OF AGRI SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to provide a method for drawing the genetic composition map of wheat varieties, thereby solving the aforementioned problems existing in the prior art

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  • A method for drawing genetic composition maps of wheat varieties
  • A method for drawing genetic composition maps of wheat varieties
  • A method for drawing genetic composition maps of wheat varieties

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0022] The invention provides a method for drawing the genetic composition map of wheat varieties, which fills the technical gap that there is no suitable software for drawing the genetic composition map for the SNP markers obtained by the current high-throughput chip analysis.

[0023] The embodiment of the present invention provides a method for drawing a genetic composition map of a wheat variety, comprising the following steps:

[0024] S1, select the wheat breeding parents and progeny to be analyzed, wherein the parents and progeny have a clear pedigree relationship;

[0025] S2, obtaining h...

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Abstract

The invention discloses a method for drawing a genetic composition map of a wheat variety, and relates to the technical field of agricultural science and technology and molecular markers. According to the method, tens of thousands and hundreds of thousands of SNP markers are obtained by analysis of high-throughput wheat chips (such as 660K and 90K chips and the like), genetic information transmission and distribution of wheat breeding parents and offsprings having clear genealogical relationship are displayed in the form of images so as to achieve the visual display of the distribution pattern including number and distribution in chromosomes of the genetic information of the parents in genomes of offsprings, wherein according to the number, general genetic information transmission can be seen by the genetic composition map, when male and female parents are large in contribution difference, the quantity of the genetic information contributed by the male or female parents can be more clearly to see. The method facilitates better understanding of the effect of wheat breeding on the genomes from genome level, and the genomic information is provided to subsequent wheat breeding for reference.

Description

technical field [0001] The invention relates to the fields of agricultural science and technology and molecular marker technology, in particular to a method for drawing genetic composition maps of wheat varieties. Background technique [0002] In the current research on the wheat genome, SSR or SNP molecular markers are mostly used to study the genetic diversity of wheat populations, the genetic relationship of different germplasm materials, the genetic relationship / genetic contribution of breeding parents and offspring, and the inheritance of quantitative trait loci. positioning etc. As the second generation of molecular markers, SSR markers are co-dominant markers and have been used as the main molecular markers in the study of wheat population genetics. However, the distribution density of SSR markers in the whole genome is low and cannot meet the needs of current high-throughput genome research. SNP markers are single nucleotide polymorphisms that are ubiquitous in biol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12Q1/68G16B45/00G16B30/10
CPCC12Q1/6895C12Q2600/156G16B30/00G16B45/00
Inventor 盖红梅任民李玉刚翟晓灵李振清宋朝玉宫明波王圣健朱丕生
Owner QINGDAO ACAD OF AGRI SCI
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