Article
The rice aquaporin Lsi1 mediates uptake of methylated arsenic species.
Plant physiology - 1 Aug 2009
Li Ren-Ying, Ago Yukiko, Liu Wen-Ju, Mitani Namiki, Feldmann Jörg, McGrath Steve P, Ma Jian Feng, Zhao Fang-Jie
Abstract excerpt
Pentavalent methylated arsenic (As) species such as monomethylarsonic acid [MMA(V)] and dimethylarsinic acid [DMA(V)] are used as herbicides or pesticides, and can also be synthesized by soil microorganisms or algae through As methylation. The mechanism of MMA(V) and DMA(V) uptake remains unknown. Recent studies have shown that arsenite is taken up by rice (Oryza sativa) roots through two silicon transporters,...
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