AUTHOR=Sugiyama Munetaka , Machida Yasunori TITLE=Editorial: Novel Aspects of Nucleolar Functions in Plant Growth and Development JOURNAL=Frontiers in Plant Science VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2018.00814 DOI=10.3389/fpls.2018.00814 ISSN=1664-462X