Researchers Janine Sherrier and Harsh Bais of the University of Delaware seek to reduce arsenic levels in rice by blocking uptake of the toxin.
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Harsh Bais and Janine Sherrier of the University of Delaware's Department of Plant and Soil Sciences are studying whether a naturally occurring soil bacterium, referred to asUD1023 because it was first characterized at the university, can create an iron barrier in rice roots that reduces arsenic uptake.
Rice, grown as a staple food for a large portion of the world's population, absorbs arsenic from its environment and transfers it to the grain. Arsenic is classified as a poison by the National Institutes of Health and is considered a carcinogen by the National Toxicology Program.
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