Blake W. Stamps, Heather S. Nunn, Victoria A. Petryshyn, Ronald S. Oremland, Laurence G. Miller, Michael R. Rosen, Kohen W. Bauer, Katharine J. Thompson, Elise M. Tookmanian, Anna R. Waldeck, Sean J. Loyd, Hope A. Johnson, Bradley S. Stevenson, William M. Berelson, Frank A. Corsetti, John R. Spear
Mono Lake, California, provides a habitat to a unique ecological community that is heavily stressed due to recent human water diversions and a period of extended drought. To date, no baseline information exists from Mono Lake to understand how the microbial community responds to human-influenced drought or algal bloom or what metabolisms are lost in the water column as a consequence of such environmental pressures. While previously identified anaerobic members of the microbial community disappear from the water column during drought and bloom, sediment samples suggest that these microorganisms survive at the lake bottom or in the subsurface. Thus, the sediments may represent a type of seed bank that could restore the microbial community as a bloom subsides. Our work sheds light on the potential photosynthetic activity of the halotolerant alga Picocystis sp. strain ML and how the function and activity of the remainder of the microbial community responds during a bloom at Mono Lake.
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