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OALib Journal期刊
ISSN: 2333-9721
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Arsenic speciation for the phytoremediation by the Chinese brake fern, Pteris vittata

Keywords: arsenic hyper accumulator,phosphorus,thiol,phytochelatin

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Abstract:

Arsenic(As)speciation for the phytoremediation by the Chinese brake fern was studied.In particular,the mechanism of how plants induce compounds containing thiol(SH)and proteins by As exposure in terms of the relationship between As and phosphate uptaken into plant cells was examined.Pteris vittata callus could effciently reduce As(V)to As(III)by the rapid introduction of reductase and synthesize thiols leading to phytochelatins production.Furthermore,Pteris vittata could control phosphate concentration in t...

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