ALLPATHS 2: small genomes assembled accurately and with high continuity from short paired reads

ALLPATHS 2: small genomes assembled accurately and with high continuity from short paired reads

1 October 2009 | Iain MacCallum*, Dariusz Przybylski*, Sante Gnerre*, Joshua Burton*, Ilya Shlyakhter*, Andreas Gnirke*, Joel Malek†‡, Kevin McKernan†, Swati Ranade†§, Terrance P Shea*, Louise Williams*, Sarah Young*, Chad Nusbaum* and David B Jaffe*
The article "ALLPATHS 2: small genomes assembled accurately and with high continuity from short paired reads" by Iain MacCallum et al. demonstrates that high-quality genome assemblies can be generated from short paired reads. Using Illumina sequencing data from five microbial genomes, the ALLPATHS2 assembler produced assemblies with long, accurate contigs and scaffolds. The study compared the performance of ALLPATHS2 with Velvet and EULER-SR, finding that ALLPATHS2 achieved significantly higher contiguity, completeness, and accuracy. For example, for Escherichia coli, the fraction of 10-kb stretches that were perfect was 99.8% (ALLPATHS2), compared to 68.7% (Velvet) and 42.1% (EULER-SR). The authors also evaluated the impact of different library sizes and read lengths on assembly quality, showing that longer fragments increased contiguity. The study highlights the potential of short read assemblies for producing high-quality genomes, with implications for future sequencing technologies and applications.The article "ALLPATHS 2: small genomes assembled accurately and with high continuity from short paired reads" by Iain MacCallum et al. demonstrates that high-quality genome assemblies can be generated from short paired reads. Using Illumina sequencing data from five microbial genomes, the ALLPATHS2 assembler produced assemblies with long, accurate contigs and scaffolds. The study compared the performance of ALLPATHS2 with Velvet and EULER-SR, finding that ALLPATHS2 achieved significantly higher contiguity, completeness, and accuracy. For example, for Escherichia coli, the fraction of 10-kb stretches that were perfect was 99.8% (ALLPATHS2), compared to 68.7% (Velvet) and 42.1% (EULER-SR). The authors also evaluated the impact of different library sizes and read lengths on assembly quality, showing that longer fragments increased contiguity. The study highlights the potential of short read assemblies for producing high-quality genomes, with implications for future sequencing technologies and applications.
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