AUTHOR=Leipnitz Guilhian , Hatch Grant M. , Mohsen Al-Walid , Wanders Ronald J. A. TITLE=Editorial: Mitochondrial Disorders: Biochemical and Molecular Basis of Disease JOURNAL=Frontiers in Genetics VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2021.769770 DOI=10.3389/fgene.2021.769770 ISSN=1664-8021