AUTHOR=Trovato Maurizio , Funck Dietmar , Forlani Giuseppe , Okumoto Sakiko , Amir Rachel TITLE=Editorial: Amino Acids in Plants: Regulation and Functions in Development and Stress Defense JOURNAL=Frontiers in Plant Science VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2021.772810 DOI=10.3389/fpls.2021.772810 ISSN=1664-462X