AUTHOR=Fang Chong , Drobizhev Mikhail , Ng Ho Leung , Pantazis Periklis TITLE=Editorial: Mechanisms of Fluorescent Proteins JOURNAL=Frontiers in Molecular Biosciences VOLUME=8 YEAR=2021 URL=https://www.frontiersin.org/journals/molecular-biosciences/articles/10.3389/fmolb.2021.701523 DOI=10.3389/fmolb.2021.701523 ISSN=2296-889X