AUTHOR=Otagaki Shungo , Kasai Megumi , Masuta Chikara , Kanazawa Akira TITLE=Corrigendum: Enhancement of RNA-directed DNA methylation of a transgene by simultaneously downregulating a ROS1 ortholog using a virus vector in Nicotiana benthamiana JOURNAL=Frontiers in Genetics VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2017.00005 DOI=10.3389/fgene.2017.00005 ISSN=1664-8021