Summary of the statistics of the various assemblies obtained using Velvet (rows 1–3, 5–9) and SOAPdenovo (rows 4, 10, 11).

“% Sum” is the the sum of all contig sizes as percentage of the target size;aaverage over 2,197 assemblies;baverage over 91 assemblies;cVelvet reports the number of reads used in the assembly but SOAPdenovo does not: for these assemblies we used Bowtie (allowing one mismatch) to align reads to the contigs.