AUTHOR=Sivieri Katia , Sáyago-Ayerdi Sonia G. , Binetti Ana Griselda TITLE=Editorial: Insights of Gut Microbiota: Probiotics and Bioactive Compounds JOURNAL=Frontiers in Microbiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2021.780596 DOI=10.3389/fmicb.2021.780596 ISSN=1664-302X