Microbe Mobilizes 'Iron Shield' to Block Arsenic Uptake in Rice

University of Delaware researchers have discovered a soil microbe that mobilizes an "iron shield" to block the uptake of toxic arsenic in rice. The UD finding gives hope that a natural, low-cost solution -- a probiotic for rice plants -- may be in sight to protect this global food source from accumulating harmful levels of one of the deadliest poisons on the planet. Rice currently is a staple in the diet of more than half the world's population.

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