AUTHOR=Ferjani Ali , Maeshima Masayoshi TITLE=Editorial: Multiple Facets of H+-Pyrophosphatase and Related Enzymes JOURNAL=Frontiers in Plant Science VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2016.01265 DOI=10.3389/fpls.2016.01265 ISSN=1664-462X