Posts

Showing posts from October, 2021

New paper: Functional genetic basis of reproductive mode

Image
Our paper on the genetic basis of parity mode is now published. The functional genetic architecture of egg-laying and live-bearing reproduction in common lizards H. Recknagel, M. Carruthers, A. Yurchenko, M. Nokhbatolfoghahai, N.A. Kamenos, M.M. Bain, K.R. Elmer Nature Ecology and Evolution 2021 SharedIt link:  https://rdcu.be/cy5S2 All amniotes reproduce either by egg-laying (oviparity), which is ancestral to vertebrates, or by live-bearing (viviparity), which has evolved many times independently. However, the genetic basis of these parity modes has never been resolved and consequently its convergence across evolutionary scales is currently unknown. Here we leveraged natural hybridisations between oviparous and viviparous common lizards (Zootoca vivipara) to describe the functional genes and genetic architecture of parity mode and its key traits, eggshell and gestation length, and compared our findings across vertebrates. In these lizards, parity trait genes were associated with prog