AUTHOR=Schwessinger Benjamin , Bart Rebecca , Krasileva Ksenia V. , Coaker Gitta TITLE=Focus issue on plant immunity: from model systems to crop species JOURNAL=Frontiers in Plant Science VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2015.00195 DOI=10.3389/fpls.2015.00195 ISSN=1664-462X