AUTHOR=Feng Xinjun , Jiang Xinglin , Zhao Guang TITLE=Editorial: Advances and trends in microbial production of biopolymers and their building blocks JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2022.1025797 DOI=10.3389/fbioe.2022.1025797 ISSN=2296-4185