Balanced polymorphism in a floral transcription factor underlies an ancient rhythm of daily sex alternation in avocado
Jeffrey S. Groh, Marllon Fernando Soares dos Santos, Emmanuel Ávila de Dios, Gracie Ackerman, Edwin Solares, Rodrigo Alejandro Iturrieta, Eric Focht, Danelle K. Seymour, Brandon S. Gaut, Mary Lu Arpaia, Graham Coop
The paper identifies a polymorphic transcription factor, SDMYB, responsible for daily sex alternation in avocado and related species, showing balancing selection over millions of years.
Proceedings of the National Academy of Sciences · Jul 28, 2026Peer-reviewedEvolutionary Biology