AUTHOR=Wu Yi-Rui , Nampoothiri K. Madhavan , Zhang Congqiang , Liu Liming TITLE=Editorial: Biosynthesis of Amino Acids and Their Derived Chemicals From Renewable Feedstock JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2021.770002 DOI=10.3389/fbioe.2021.770002 ISSN=2296-4185