Article
A novel arsenate reductase from the arsenic hyperaccumulating fern Pteris vittata.
Plant physiology - 1 Aug 2006
Ellis Danielle R, Gumaelius Luke, Indriolo Emily, Pickering Ingrid J, Banks Jo Ann, Salt David E
Abstract excerpt
Pteris vittata sporophytes hyperaccumulate arsenic to 1% to 2% of their dry weight. Like the sporophyte, the gametophyte was found to reduce arsenate [As(V)] to arsenite [As(III)] and store arsenic as free As(III). Here, we report the isolation of an arsenate reductase gene (PvACR2) from gametophytes that can suppress the arsenate sensitivity and arsenic hyperaccumulation phenotypes of yeast (Saccharomyces...
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