The Microbial Arsenic Cycle in Mono Lake, California

Ronald S. Oremland, John F. Stolz, James T. Hollibaugh, FEMS Microbiology Ecology

This minireview summarizes the biogeochemical arsenic cycle in the alkaline, hypersaline Mono Lake. Some prokaryotes of the lake have evolved biochemical mechanisms to exploit arsenate and arsenite, using them either as an electron acceptor or as an electron donor, respectively, to support chemoautotrophic fixation of carbon dioxide into cell carbon.

Subject: Biology:Molecular Biology, Ecology:Metabolism, Biology:Microbiology, Biogeochemistry, Geoscience:Geology:Geochemistry:Oxidation/Reduction Reactions, Organic and Biochemistry
Resource Type: Scientific Resources:Overview/Reference Work
Grade Level: Graduate/Professional, College Upper (15-16)
Extreme Environments: Altered by Humans, Hypersaline, Alkaline
Topics: Biosphere:Biogeochemistry, Ecology:Habitats:Freshwater, Biosphere:Ecology:Metabolism, Biosphere:Molecular Biology, Microbiology, Solid Earth:Geochemistry:Organic and Biochemistry, Oxidation/Reduction Reactions
Theme: Teach the Earth:Course Topics:Geochemistry, BiogeoscienceKeyword: Anaerobic bacteria; Dissimilatory reduction; Chemoautolithotrophs