High-quality draft assemblies of mammalian genomes from massively parallel sequence data
Name
Gnerre-2011-Jan-High-quality draft assemblies of mammalian genomes from massively parallel sequence data.pdf
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128.64 KB
Format
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Author(s)
Gnerre, Sante
MacCallum, Iain
Przybylski, Dariusz
Ribeiro, Felipe J.
Burton, Joshua
Walker, Bruce J.
Sharpe, Ted
Hall, Giles
Shea, Terrance P.
Sykes, Sean
Date Issued
December 2010
Journal
Proceedings of the National Academy of Sciences of the United States of America
Publisher
National Academy of Sciences
Citation
Gnerre, S. et al. “High-quality Draft Assemblies of Mammalian Genomes from Massively Parallel Sequence Data.” Proceedings of the National Academy of Sciences 108.4 (2010) : 1513-1518.
Version
Final published version
Abstract
Massively parallel DNA sequencing technologies are revolutionizing genomics by making it possible to generate billions of relatively short (~100-base) sequence reads at very low cost. Whereas such data can be readily used for a wide range of biomedical applications, it has proven difficult to use them to generate high-quality de novo genome assemblies of large, repeat-rich vertebrate genomes. To date, the genome assemblies generated from such data have fallen far short of those obtained with the older (but much more expensive) capillary-based sequencing approach. Here, we report the development of an algorithm for genome assembly, ALLPATHS-LG, and its application to massively parallel DNA sequence data from the human and mouse genomes, generated on the Illumina platform. The resulting draft genome assemblies have good accuracy, short-range contiguity, long-range connectivity, and coverage of the genome. In particular, the base accuracy is high (≥99.95%) and the scaffold sizes (N50 size = 11.5 Mb for human and 7.2 Mb for mouse) approach those obtained with capillary-based sequencing. The combination of improved sequencing technology and improved computational methods should now make it possible to increase dramatically the de novo sequencing of large genomes. The ALLPATHS-LG program is available at http://www.broadinstitute.org/science/programs/genome-biology/crd.
MIT Department
Massachusetts Institute of Technology. Department of Biology
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DOI of Published Version
https://doi.org/10.1073/pnas.1017351108
