AUTHOR=Pontonio Erica , Rizzello Carlo Giuseppe TITLE=Editorial: Ad-Hoc Selection of Lactic Acid Bacteria for Non-conventional Food Matrices Fermentations: Agri-Food Perspectives JOURNAL=Frontiers in Microbiology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2021.681830 DOI=10.3389/fmicb.2021.681830 ISSN=1664-302X