Reposting a new paper published a few months back – Carbonate-hosted methanotrophy represents an unrecognized methane sink in the deep sea:
Marlow, J. J., Steele, J. A., Ziebis, W., Thurber, A. R., Levin, L. A., & Orphan, V. J. (2014). Carbonate-hosted methanotrophy represents an unrecognized methane sink in the deep sea. Nature communications, 5:5094.
Also worth reading the associated press writeup here: http://www.nature.com/news/sea-floors-host-surprise-methane-munching-microbes-1.16151
