AUTHOR=Rivas Carmen TITLE=Editorial: SUMO Proteins in Host Defense JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2021.789877 DOI=10.3389/fcell.2021.789877 ISSN=2296-634X