AUTHOR=Koirala Niranjan , Khusro Ameer , Malla Sailesh TITLE=Editorial: Trends in applications and improved production of biologically active metabolites using microbial fermentations JOURNAL=Frontiers in Microbiology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2022.1065888 DOI=10.3389/fmicb.2022.1065888 ISSN=1664-302X