AUTHOR=Costa Maria TITLE=Group II Introns: Flexibility and Repurposing JOURNAL=Frontiers in Molecular Biosciences VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/molecular-biosciences/articles/10.3389/fmolb.2022.916157 DOI=10.3389/fmolb.2022.916157 ISSN=2296-889X