A Tag SNP Selection Method Based on Haplotype Recognition

被引:0
|
作者
Li, Xuedong [1 ,2 ]
Cao, Zhi [1 ]
Li, Xiong [1 ]
Chen, Juan [1 ]
Li, Gangcheng [2 ]
机构
[1] Hunan Univ, Coll Informat Sci & Engn, Changsha 410082, Hunan, Peoples R China
[2] Hunan Coll Informat, Dept Informat Engn, Wang Cheng 410200, Hunan, Peoples R China
基金
国家教育部博士点专项基金资助;
关键词
Single Nucleotide Polymorphism; Tag SNPs; Ant Colony Algorithm; Haplotype Recognition; GENE SELECTION; ALGORITHM;
D O I
10.1166/jctn.2014.3667
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In association study based on Haplotype, some methods use a small amount of SNP to capture most variations of different samples' haplotypes which are known as Tag SNPs. Currently, there are many methods for tag SNP selection. However, these methods still exist deficiencies, mainly in these aspects: high time complexity and high compactness degree of tag SNP subsets which will lead to high cost in the following genetic association. In order to improve the efficiency of search space and attain the smallest number of tag SNPs, this paper not only designs the ant colony algorithm for path selection operator but also improves the heuristic function to seek the best combination of tag SNP subsets. The experimental results show that the method have certain advantages in the time complexity and compactness degree of tag SNP subsets.
引用
收藏
页码:2495 / 2498
页数:4
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