NATURE COMMUNICATIONS NATURE COMMUNICATIONS Gradual polyploid genome evolution revealed by pan-genomic analysis of Brachypodium hybridum and its diploid progenitors Gordon S.P. Contreras-Moreira B. Universidad de Zaragoza Levy J.J. Djamei A. Czedik-Eysenberg A. Tartaglio V.S. Session A. Martin J. Cartwright A. Katz A. Singan V.R. Goltsman E. Barry K. Dinh-Thi V.H. Chalhoub B. Diaz-Perez A. Sancho R. Lusinska J. Wolny E. Nibau C. Doonan J.H. Mur L.A.J. Plott C. Jenkins J. Hazen S.P. Lee S.J. Shu S. Goodstein D. Rokhsar D. Schmutz J. Hasterok R. Catalan P. Universidad de Zaragoza Vogel J.P. 2020 research-article