ntSynt Report — Melitaea butterflies

Assembly statistics

Statistic	Value
Number of assemblies	15
Range of number of chromosomes	29 – 33
Genome size range (Mbp)	481.3 – 629.4

Source: Melitaea_butterflies_assemblies/Melitaea_butterflies_abyss_fac-summary.tsv

Synteny block statistics

Statistic	Value
Number of blocks	694
Average synteny coverage (%)	83.81
Synteny coverage of smallest genome (%)	86.70
N50 length of synteny blocks (bp)	1,814,226

Source: ntSynt.k24.w1000.synteny_blocks.stats.tsv

Reasons for synteny block discontinuities

Synteny block discontinuity reason	Count
ori_change	319
indel	282
id_change	68
inconsistent_order	24

Source: ntSynt.k24.w1000.discontinuity_reasons.tsv

Mash divergence distributions

Pairwise mash distances across full-genome, syntenic, and non-syntenic regions. Wilcoxon signed-rank test p-value shown between syntenic and non-syntenic distributions. Interactive — hover over a point to see the genome pair. Source: mash/mash_divergence_boxplot.html

Synteny ribbon plot

Melitaea_butterflies_ribbon-plot_tree

ntSynt-viz ribbon plot showing synteny blocks across all assemblies. Nuclear genome tree included in ribbon plot. Interactive — hover to highlight, click to pin tooltips. Source: ntsynt-viz/Melitaea_butterflies_ribbon-plot_tree.html