AUTHOR=Giansanti Maria Grazia , Fraschini Roberta TITLE=Editorial: Model Organisms: A Precious Resource for the Understanding of Molecular Mechanisms Underlying Human Physiology and Disease JOURNAL=Frontiers in Genetics VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2019.00822 DOI=10.3389/fgene.2019.00822 ISSN=1664-8021