Background Meromictic lakes, with their stratified water columns, are modern analogs for ancient euxinic (anoxic and sulfidic) oceans, where anaerobic sulfur-oxidizing purple and green sulfur bacteria (PSB and GSB) dominated […]
epifluorescence microscopy
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The Limit of Life at Extremely Low Water Activity: Lithium-concentration Ponds in a Solar Saltern (Salar de Atacama, Chile)
Extremely hyper-saline ponds from an industrial lithium-concentration process in solar salterns in the Atacama Desert were studied to determine the limits of life at very low water activity.