AUTHOR=Harris Jeanne Marie , Pawlowski Katharina , Mathesius Ulrike TITLE=Editorial: Evolution of Signaling in Plant Symbioses JOURNAL=Frontiers in Plant Science VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2020.00456 DOI=10.3389/fpls.2020.00456 ISSN=1664-462X