ntSynt report — Viperidae snakes

Generated 2026-10-07 15:51
ntSynt multi-genome synteny pipeline

Assembly statistics

StatisticValue
Number of assemblies13
Range of number of chromosomes17 – 19
Genome size range (Gbp)1.2 – 1.8

Source: Viperidae_snakes_assemblies/Viperidae_snakes_abyss_fac-summary.tsv

Synteny block statistics

StatisticValue
Number of blocks9,691
Average synteny coverage (%)75.98
Synteny coverage of smallest genome (%)81.15
N50 length of synteny blocks (bp)378,152

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

Reasons for synteny block discontinuities

Synteny block discontinuity reasonCount
ori_change4,564
id_change2,254
indel1,827
inconsistent_order1,037
merge8

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

Viperidae_snakes_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/Viperidae_snakes_ribbon-plot_tree.html