Table 2.

Estimated evolutionary divergence time of S. tuberosum metacaspases from its orthologs in Solanaceae family.

Solanum Species pair	Metacaspase genes divergence time (MYA)	Molecular speciation time (MYA)
S. tuberosum-S. pennellii	5.2–13.2	5.09–10.25
S. tuberosum-S. lycopersicum	5.3–15.9	5.09–10.25
S. tuberosum-S. pimpinellifolium	5.3–15.9	5.09–10.25
S. tuberosum-S. melongena	14.4–20.1	13.70–15.50
S. tuberosum-C. annuum	16.1–39.8	14.4–37.0
S. tuberosum-N. attenuata	13.1–41.9	17.5–39.1
S. tuberosum-N. tabacum	25.3–45.8	17.5–45.1