PASHA is a parallel short read assembler for large genomes using de Bruijn graphs. Taking advantage of both shared-memory multi-core CPUs and distributed-memory compute clusters, PASHA has demonstrated its potential to perform high-quality de-novo assembly of large genomes in reasonable time with modest computing resources. Our evaluation using three small real paired-end datasets shows that PASHA is able to produce better assemblies with comparable genome coverage and mis-assembly rates compared to three leading assemblers: Velvet, ABySS and SOAPdenovo. Moreover, PASHA achieves the fastest speed for all three datasets on a single CPU. For the human genome, PASHA achieves competitive assembly quality with ABySS and is able to complete the assembly in about 21 hours, which is about 2.38× faster than ABySS on the same hardware configurations.
PASHA: Parallelized Short Read Assembly
One of the fastest parallel short read assemblers for large genomes.
Status: Beta
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