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Method for evaluating species adaptation potential by landscape genomics, and application

A technology of genomics and species, applied in the field of landscape genomics to evaluate the adaptive potential of species, can solve the problem that there is no landscape adaptive index to measure the adaptive potential of species

Inactive Publication Date: 2018-11-23
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0005] To sum up, the problem in the existing technology is that although landscape genomics research has begun to focus on the adaptive potential of species, there is no suitable landscape adaptation index to measure the adaptive potential of species

Method used

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  • Method for evaluating species adaptation potential by landscape genomics, and application
  • Method for evaluating species adaptation potential by landscape genomics, and application
  • Method for evaluating species adaptation potential by landscape genomics, and application

Examples

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Embodiment 1

[0058] Pinus bungeana Zucc.ex Endl. (Pinaceae), a coniferous evergreen tree at an altitude of 500-1800 meters, in the warm temperate and subtropical marginal regions of China. The white bark pine is endemic to China and is listed as an endangered species by the IUCN. White bark pine likes light, tolerates cold and drought, but lacks waterlogging. This species prefers to grow in cool, dry environments and does not grow well in high temperatures and high humidity. In this paper, using the method of landscape genomics, a sampling survey of natural populations of Pine bark in 10 distribution areas was carried out, the adaptive loci on the genome of Pine bark were identified, and a landscape adaptability index was established based on molecular marker data. Example 1, taking white bark pine as an example, provides a method for evaluating species adaptation potential using landscape genomics, including the following steps:

[0059] S1, determine the scope of the area to be studied...

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Abstract

The invention belongs to the technical field of landscape genomics, and particularly relates to a method for evaluating species adaptation potential by landscape genomics. The method comprises the following steps that: carrying out sample collection; extracting the DNA (DeoxyriboNucleic Acid) of a sample in S1, and carrying out genetic typing detection on all sample individuals to obtain the original data of the genetic typing detection; and obtaining the optimal value of K which can most favorably represent a major group structure, carrying out exceptional locus detection to obtain the data matrix of a gene exceptional locus, and carrying out adaptive gene locus detection to obtain adaptive gene locus data matrix. According to adaptive gene locus data and non-adaptive gene locus data, a proper landscape adaptation index is established to measure the species adaptation potential, wherein the index has an important reference value for introduction and domestication in garden plant cultivation.

Description

technical field [0001] The invention belongs to the technical field of landscape genomics, and in particular relates to a method and application for evaluating species adaptation potential by using landscape genomics. Background technique [0002] Understanding the genetic basis of local adaptation has recently been the focus of research in molecular ecology and evolutionary biology. Long-term local adaptation will force species to face two kinds of selective pressure from the environment. One comes from climate fluctuations on temporal scales and the other from environmental heterogeneity on spatial scales. In response to selective pressure from the environment, species will undergo some adaptive changes in the genome and eventually some phenotypic and phenological changes. The accumulation of these adaptive changes also contributes to the species' greater adaptive potential. Identifying these adaptive genetic variations can advance our understanding of the genetic mecha...

Claims

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Application Information

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IPC IPC(8): G06F19/18C12Q1/6895
CPCC12Q1/6895
Inventor 李永雷雅凯张凌郭楠张雪霞贺丹张曼栗燕张淑梅李青
Owner HENAN AGRICULTURAL UNIVERSITY
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