AUTHOR=Khan Nafees A. , Khan M. I. R. , Ferrante Antonio , Poor Peter TITLE=Editorial: Ethylene: A Key Regulatory Molecule in Plants JOURNAL=Frontiers in Plant Science VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2017.01782 DOI=10.3389/fpls.2017.01782 ISSN=1664-462X