AUTHOR=Tamano Koichi , Yoshimi Akira TITLE=Metabolic Engineering Techniques to Increase the Productivity of Primary and Secondary Metabolites Within Filamentous Fungi JOURNAL=Frontiers in Fungal Biology VOLUME=2 YEAR=2021 URL=https://www.frontiersin.org/journals/fungal-biology/articles/10.3389/ffunb.2021.743070 DOI=10.3389/ffunb.2021.743070 ISSN=2673-6128