AUTHOR=Lindermayr Christian , Oracz Krystyna , Cuypers Ann , Schnitzler Jörg-Peter , Durner Jörg TITLE=Editorial: Highlights of POG 2019 - Plant Oxygen Group Conference JOURNAL=Frontiers in Plant Science VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2021.639262 DOI=10.3389/fpls.2021.639262 ISSN=1664-462X