The role of phytochelatins in arsenic tolerance in the hyperaccumulator Pteris vittata.

F.J. Zhao; J.R. Wang; J.H.A. Barker; H. Schat; P.M. Bleeker; S.P. McGrath

doi:10.1046/j.1469-8137.2003.00784.x

The role of phytochelatins in arsenic tolerance in the hyperaccumulator Pteris vittata.

F.J. Zhao
, J.R. Wang
, J.H.A. Barker
, H. Schat
, P.M. Bleeker
, S.P. McGrath

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

• Pteris vittata was the first identified arsenic (As) hyperaccumulator. Here we investigated whether phytochelatins (PCs) are involved in the hypertolerance of arsenic by P. vittata. • P. vittata was exposed to 0-500 μM arsenate for 5 d, or to 50 μM arsenate for 0-7 d. In addition, L-buthionine-sulphoximine (BSO), an inhibitor of γ-glutamylcysteine synthetase, was used in combination with different arsenate exposures. The relationships between As accumulation and the concentrations of PCs and glutathione (GSH) were examined. • PC synthesis was induced upon exposure to arsenate in P. vittata, with only PC

Original language	English
Pages (from-to)	403-410
Journal	New Phytologist
Volume	159
DOIs	https://doi.org/10.1046/j.1469-8137.2003.00784.x
Publication status	Published - 2003

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title = "The role of phytochelatins in arsenic tolerance in the hyperaccumulator Pteris vittata.",

abstract = "• Pteris vittata was the first identified arsenic (As) hyperaccumulator. Here we investigated whether phytochelatins (PCs) are involved in the hypertolerance of arsenic by P. vittata. • P. vittata was exposed to 0-500 μM arsenate for 5 d, or to 50 μM arsenate for 0-7 d. In addition, L-buthionine-sulphoximine (BSO), an inhibitor of γ-glutamylcysteine synthetase, was used in combination with different arsenate exposures. The relationships between As accumulation and the concentrations of PCs and glutathione (GSH) were examined. • PC synthesis was induced upon exposure to arsenate in P. vittata, with only PC",

author = "F.J. Zhao and J.R. Wang and J.H.A. Barker and H. Schat and P.M. Bleeker and S.P. McGrath",

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T1 - The role of phytochelatins in arsenic tolerance in the hyperaccumulator Pteris vittata.

AU - Zhao, F.J.

AU - Wang, J.R.

AU - Barker, J.H.A.

AU - Schat, H.

AU - Bleeker, P.M.

AU - McGrath, S.P.

PY - 2003

Y1 - 2003

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AB - • Pteris vittata was the first identified arsenic (As) hyperaccumulator. Here we investigated whether phytochelatins (PCs) are involved in the hypertolerance of arsenic by P. vittata. • P. vittata was exposed to 0-500 μM arsenate for 5 d, or to 50 μM arsenate for 0-7 d. In addition, L-buthionine-sulphoximine (BSO), an inhibitor of γ-glutamylcysteine synthetase, was used in combination with different arsenate exposures. The relationships between As accumulation and the concentrations of PCs and glutathione (GSH) were examined. • PC synthesis was induced upon exposure to arsenate in P. vittata, with only PC

U2 - 10.1046/j.1469-8137.2003.00784.x

DO - 10.1046/j.1469-8137.2003.00784.x

M3 - Article

SN - 0028-646X

VL - 159

SP - 403

EP - 410

JO - New Phytologist

JF - New Phytologist

ER -

The role of phytochelatins in arsenic tolerance in the hyperaccumulator Pteris vittata.

Abstract

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