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Fern's Evolution Gives Arsenic Tolerance Monday, June 14, 2010 - Ehud Rattner Home >> Headlines >> Biology   
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Isolating a gene that allows a type of fern to tolerate high levels of arsenic, Purdue University researchers hope to use the finding to create plants that can clean up soils and waters contaminated by the toxic metal. The fern Pteris vittata can tolerate 100 to 1,000 times more arsenic than other plants. The research team uncovered what may have been an evolutionary genetic event that creates an arsenic pump of sorts in the fern. (source: sciencedaily.com)
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