Nose-to-ground distance drives the evolution of mammalian odorant receptor repertoire size
Joël Tuberosa, Fandilla Marie Furlan, Alan Carleton, Iván Rodríguez
The paper finds that nose-to-ground distance correlates with the number of functional odorant receptor genes in mammals, suggesting olfactory environment complexity drives OR repertoire evolution.
bioRxiv · Dec 24, 2025 · PreprintEvolutionary Biology