... significantly by quality value. While mis-calls at adenines were highly likely to be cytosines at lowquality, errors were closer to uniform at high qualitypositions in the read. Finally, error ... small repeats. Assembly of the raw uncorrected reads was quite poor because of the very low quality suffixe s of many of the 124 bp reads.Thus, we compare assembly of quality trimmed reads(performed ... AdvancedComputer Studies, and Department of Computer Science, University of Maryland, College Park, MD 20742, USA.2Simons Center for QuantitativeBiology, Cold Spring Harbor Laboratory, 1 Bungtown Road, Cold...