AUTHOR=Chen Xiaochen , Kasuga Ikuro , Liu Xianhua , Li Hongbo , Zeng Ming , Cai Xiaolin TITLE=Editorial: New insight into the roles of microorganisms in municipal and environmental engineering technologies/systems JOURNAL=Frontiers in Microbiology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2023.1349701 DOI=10.3389/fmicb.2023.1349701 ISSN=1664-302X