Fig. 2

Read length distribution and proportions of sequences mapping to the mitochondrial or nuclear genomes. a Distribution of reads length mapping to mtDNA (top) or nuDNA (bottom). For clarity, values are shown for a randomly selected subset representing 0.005% of reads. b Numbers and proportions of sequences mapping to mtDNA or nuDNA. The number of mapped sequences is shown on the y axis. exo-: no Exonuclease V treatment; exoA: Exonuclease V 10 U 2 h + REPLI-g 0.2 μM primers; exoB: Exonuclease V 10 U 2 h + REPLI-g 1.0 μM primers