AUTHOR=Dang Hongyue , Klotz Martin G. , Lovell Charles R. , Sievert Stefan M. TITLE=Editorial: The Responses of Marine Microorganisms, Communities and Ecofunctions to Environmental Gradients JOURNAL=Frontiers in Microbiology VOLUME=10 YEAR=2019 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2019.00115 DOI=10.3389/fmicb.2019.00115 ISSN=1664-302X