AUTHOR=Bellet Marina Maria , Eckel-Mahan Kristin , Romani Luigina TITLE=Editorial: Circadian Rhythm: From Microbes to Hosts JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=10 YEAR=2020 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2020.613181 DOI=10.3389/fcimb.2020.613181 ISSN=2235-2988