AUTHOR=Hirakawa Hidetada , Bordi Christophe , Tomita Haruyoshi TITLE=Editorial: Gram-Negative Pathogenesis JOURNAL=Frontiers in Microbiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2021.813062 DOI=10.3389/fmicb.2021.813062 ISSN=1664-302X