AUTHOR=Mukhopadhyay Biswarup , Kappler Ulrike , Potrykus Katarzyna , Zhao Xinqing , Welte Cornelia TITLE=Editorial: Insights in microbial physiology and metabolism: 2021 JOURNAL=Frontiers in Microbiology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2022.1054708 DOI=10.3389/fmicb.2022.1054708 ISSN=1664-302X