AUTHOR=Emerson David , Roden Eric , Twining Benjamin TITLE=The microbial ferrous wheel: iron cycling in terrestrial, freshwater, and marine environments JOURNAL=Frontiers in Microbiology VOLUME=3 YEAR=2012 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2012.00383 DOI=10.3389/fmicb.2012.00383 ISSN=1664-302X