A statistical framework for SNP calling, mutation discovery, association mapping and population genetical parameter estimation from sequencing data
TLDR
This work presents a statistical framework for calling SNPs, discovering somatic mutations, inferring population genetical parameters and performing association tests directly based on sequencing data without explicit genotyping or linkage-based imputation and demonstrates that this method achieves comparable accuracy to alternative methods for estimating site allele count, for inferring allele frequency spectrum and for association mapping.Abstract:
Motivation: Most existing methods for DNA sequence analysis rely on accurate sequences or genotypes. However, in applications of the next-generation sequencing (NGS), accurate genotypes may not be easily obtained (e.g. multi-sample low-coverage sequencing or somatic mutation discovery). These applications press for the development of new methods for analyzing sequence data with uncertainty.
Results: We present a statistical framework for calling SNPs, discovering somatic mutations, inferring population genetical parameters and performing association tests directly based on sequencing data without explicit genotyping or linkage-based imputation. On real data, we demonstrate that our method achieves comparable accuracy to alternative methods for estimating site allele count, for inferring allele frequency spectrum and for association mapping. We also highlight the necessity of using symmetric datasets for finding somatic mutations and confirm that for discovering rare events, mismapping is frequently the leading source of errors.
Availability: http://samtools.sourceforge.net
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A global reference for human genetic variation.
Adam Auton,Gonçalo R. Abecasis,David Altshuler,Richard Durbin,David R. Bentley,Aravinda Chakravarti,Andrew G. Clark,Peter Donnelly,Evan E. Eichler,Paul Flicek,Stacey Gabriel,Richard A. Gibbs,Eric D. Green,Matthew E. Hurles,Bartha Maria Knoppers,Jan O. Korbel,Eric S. Lander,Charles Lee,Hans Lehrach,Elaine R. Mardis,Gabor T. Marth,Gil McVean,Deborah A. Nickerson,Jeanette Schmidt,Stephen T. Sherry,Jun Wang,Richard K. Wilson,Eric Boerwinkle,Harsha Doddapaneni,Yi Han,Viktoriya Korchina,Christie Kovar,Sandra L. Lee,Donna M. Muzny,Jeffrey G. Reid,Yiming Zhu,Yuqi Chang,Qiang Feng,Qiang Feng,Xiaodong Fang,Xiaodong Fang,Xiaosen Guo,Xiaosen Guo,Min Jian,Min Jian,Hui Jiang,Hui Jiang,Xin Jin,Tianming Lan,Guoqing Li,Jingxiang Li,Yingrui Li,Shengmao Liu,Xiao Liu,Xiao Liu,Yao Lu,Xuedi Ma,Meifang Tang,Bo Wang,Guangbiao Wang,Honglong Wu,Renhua Wu,Xun Xu,Ye Yin,Dandan Zhang,Wenwei Zhang,Jiao Zhao,Meiru Zhao,Xiaole Zheng,Namrata Gupta,Neda Gharani,Lorraine Toji,Norman P. Gerry,Alissa M. Resch,Jonathan Barker,Laura Clarke,Laurent Gil,Sarah E. Hunt,Gavin Kelman,Eugene Kulesha,Rasko Leinonen,William M. McLaren,Rajesh Radhakrishnan,Asier Roa,Dmitriy Smirnov,Richard Smith,Ian Streeter,Anja Thormann,Iliana Toneva,Brendan Vaughan,Xiangqun Zheng-Bradley,Russell J. Grocock,Sean Humphray,Terena James,Zoya Kingsbury,Ralf Sudbrak,M. Albrecht,Vyacheslav Amstislavskiy,Tatiana A. Borodina,Matthias Lienhard,Florian Mertes,Marc Sultan,Bernd Timmermann,Marie-Laure Yaspo,Lucinda Fulton,Victor Ananiev,Zinaida Belaia,Dimitriy Beloslyudtsev,Nathan Bouk,Chao Chen,Deanna M. Church,Robert M. Cohen,Charles Cook,John Garner,Timothy Hefferon,Mikhail Kimelman,Chunlei Liu,John Lopez,Peter Meric,Chris O’Sullivan,Yuri Ostapchuk,Lon Phan,Sergiy Ponomarov,Valerie A. Schneider,Eugene Shekhtman,Karl Sirotkin,Douglas J. Slotta,Hua Zhang,Senduran Balasubramaniam,John Burton,Petr Danecek,Thomas M. Keane,Anja Kolb-Kokocinski,Shane A. McCarthy,James Stalker,Michael A. 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