AUTHOR=Liao Jingqiu , Weller Daniel L. , Kovac Jasna , Huang Yi TITLE=Editorial: Functional Diversity of Aquatic Microorganisms and Their Roles in Water Quality JOURNAL=Frontiers in Water VOLUME=4 YEAR=2022 URL=https://www.frontiersin.org/journals/water/articles/10.3389/frwa.2022.879155 DOI=10.3389/frwa.2022.879155 ISSN=2624-9375