Fig. 5.
Effect of quality filtering on average library insert size. Average insert sizes for libraries Mlu50_IS2, Mlu50_IS3 and Mlu50_IS4 were plotted as a function of progressive stringency filtering. Most relaxed stringency corresponds to unfiltered libraries (raw). During most discriminative filtering reads are only passing quality control, if at least 90 % of their nucleotides had a Phred quality score ≥20 (90;20)