AUTHOR=Smith Donald L. , Gravel Valérie , Yergeau Etienne TITLE=Editorial: Signaling in the Phytomicrobiome JOURNAL=Frontiers in Plant Science VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2017.00611 DOI=10.3389/fpls.2017.00611 ISSN=1664-462X