MIDAS: software for analysis and visualisation of interallelic disequilibrium between multiallelic markers

被引：94

作者：

Gaunt, Tom R.

Rodriguez, Santiago

Zapata, Carlos

Day, Ian N. M.

机构：

[1] Southampton Gen Hosp, Sch Med, Div Human Genet, Southampton SO16 6YD, Hants, England

[2] Univ Santiago, Dept Genet, E-15705 Santiago De Compostela, Spain

来源：

BMC BIOINFORMATICS | 2006年 / 7卷 / 1期

关键词：

D O I：

10.1186/1471-2105-7-227

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Background: Various software tools are available for the display of pairwise linkage disequilibrium across multiple single nucleotide polymorphisms. The HapMap project also presents these graphics within their website. However, these approaches are limited in their use of data from multiallelic markers and provide limited information in a graphical form. Results: We have developed a software package (MIDAS - Multiallelic Interallelic Disequilibrium Analysis Software) for the estimation and graphical display of interallelic linkage disequilibrium. Linkage disequilibrium is analysed for each allelic combination (of one allele from each of two loci), between all pairwise combinations of any type of multiallelic loci in a contig (or any set) of many loci (including single nucleotide polymorphisms, microsatellites, minisatellites and haplotypes). Data are presented graphically in a novel and informative way, and can also be exported in tabular form for other analyses. This approach facilitates visualisation of patterns of linkage disequilibrium across genomic regions, analysis of the relationships between different alleles of multiallelic markers and inferences about patterns of evolution and selection. Conclusion: MIDAS is a linkage disequilibrium analysis program with a comprehensive graphical user interface providing novel views of patterns of linkage disequilibrium between all types of multiallelic and biallelic markers.

引用

页数：11

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