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SRMA: an R package for resequencing array data analysis.


ABSTRACT:

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Sequencing by hybridization to oligonucleotides has evolved into an inexpensive, reliable and fast technology for targeted sequencing. Hundreds of human genes can now be sequenced within a day using a single hybridization to a resequencing microarray. However, several issues inherent to these arrays (e.g. cross-hybridization, variable probe/target affinity) cause sequencing errors and have prevented more widespread applications. We developed an R package for resequencing microarray data analysis that integrates a novel statistical algorithm, sequence robust multi-array analysis (SRMA), for rare variant detection with high sensitivity (false negative rate, FNR 5%) and accuracy (false positive rate, FPR 1×10??). The SRMA package consists of five modules for quality control, data normalization, single array analysis, multi-array analysis and output analysis. The entire workflow is efficient and identifies rare DNA single nucleotide variations and structural changes such as gene deletions with high accuracy and sensitivity.

Availability

http://cran.r-project.org/, http://odin.mdacc.tmc.edu/~wwang7/SRMAIndex.html

SUBMITTER: Zhang N 

PROVIDER: S-EPMC3389772 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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Publications

SRMA: an R package for resequencing array data analysis.

Zhang Nianxiang N   Xu Yan Y   O'Hely Martin M   Speed Terence P TP   Scharfe Curt C   Wang Wenyi W  

Bioinformatics (Oxford, England) 20120510 14


<h4>Unlabelled</h4>Sequencing by hybridization to oligonucleotides has evolved into an inexpensive, reliable and fast technology for targeted sequencing. Hundreds of human genes can now be sequenced within a day using a single hybridization to a resequencing microarray. However, several issues inherent to these arrays (e.g. cross-hybridization, variable probe/target affinity) cause sequencing errors and have prevented more widespread applications. We developed an R package for resequencing micro  ...[more]

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