AUTHOR=Franco Rafael , Symonds Michael E. TITLE=Editorial: Epigenetics in Mammalian Tissues JOURNAL=Frontiers in Genetics VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2019.00635 DOI=10.3389/fgene.2019.00635 ISSN=1664-8021