Acknowledgement
We are grateful to the Genotoul bioinformatics platform Toulouse
Midi-Pyrenees (Bioinfo Genotoul; http://bioinfo.genotoul.fr/) for
providing computing resources. We are indebted to Oscar Lao for fruitful
discussions and careful reading of the manuscript. This work was
supported by two ATM grants (2016 and 2017) from the Muséum National
d’Histoire Naturelle to S.M.