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Arsenic in the Evolution of Earth and Extraterrestrial Ecosystems
Authors:
Ronald S. Oremland a;
Chad W. Saltikov b;
Felisa Wolfe-Simon c;
John F. Stolz d
| Affiliations: | a U.S. Geological Survey, Menlo Park, CA, USA |
| b Department of Environmental Toxicology, University of California, Santa Cruz, CA, USA | |
| c Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA | |
| d Department of Biological Sciences, Duquesne University, Pittsburgh, PA, USA |
DOI:
10.1080/01490450903102525
Publication Frequency:
8 issues per year
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Abstract
At the end of my senior year at Rensselaer Polytechnic Institute in 1968, I took Professor Ehrlich's final for his Geomicrobiology course. The above question beckoned to me like the Sirens to Odysseus, for if I answered, it would take so much time and thought that I would never get around to the exam's other essay questions and consequently, would be “shipwrecked” by flunking the course. So, I passed it up. With this 41-year perspective in mind, this manuscript is now submitted to Professor Ehrlich for (belated) “extra-credit.” R.S. Oremland |
| Keywords: arsenic respiring microorganisms; biofilm; biogeochemical cycling; exobiology; planetary evolution |
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