Enhanced arsenate reduction by a CDC25-like tyrosine phosphatase explains increased phytochelatin accumulation in arsenate-tolerant Holcus lanatus

Decreased arsenate [As(V)] uptake is the major mechanism of naturally selected As(V) hypertolerance in plants. However, As(V)-hypertolerant ecotypes also show enhanced rates of phytochelatin (PC) accumulation, suggesting that improved sequestration might additionally contribute to the hypertolerance...

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Bibliographic Details
Published in:	The Plant journal : for cell and molecular biology Vol. 45; no. 6; pp. 917 - 929
Main Authors:	Bleeker, Petra M, Hakvoort, Henk W.J, Bliek, Mattijs, Souer, Erik, Schat, Henk
Format:	Journal Article
Language:	English
Published:	Oxford, UK Oxford, UK : Blackwell Science Ltd 01.03.2006 Blackwell Science Ltd Blackwell Science Blackwell Publishing Ltd
Subjects:	Amino Acid Sequence Amino acids Analysis of Variance Arabidopsis Arabidopsis - enzymology Arabidopsis - genetics Arabidopsis thaliana arsenate reductase arsenate tolerance Arsenates Arsenates - metabolism Arsenates - pharmacology Arsenic Arsenite Transporting ATPases Biological and medical sciences CDC25 cdc25 Phosphatases cdc25 Phosphatases - genetics cdc25 Phosphatases - metabolism complementary DNA Consensus Sequence DNA, Bacterial DNA, Bacterial - genetics DNA, Complementary DNA, Complementary - metabolism drug effects Ecotypes Enzymes enzymology Flowers & plants Fundamental and applied biological sciences. Psychology gene overexpression genes genetics Genotype & phenotype Glutathione Glutathione - metabolism Holcus Holcus - drug effects Holcus - enzymology Holcus - genetics Holcus lanatus Hypersensitivity Ion Pumps Ion Pumps - genetics Ion Pumps - metabolism Metabolism Molecular Sequence Data Multienzyme Complexes Multienzyme Complexes - genetics Multienzyme Complexes - metabolism Mutagenesis, Insertional mutants pharmacology Phenotype Phosphates phytochelatin synthase Phytochelatins Plant physiology and development Plant Proteins Plant Proteins - genetics Plant Proteins - metabolism Sequence Alignment toxicity transfer DNA tyrosine vacuolar transport Yeasts vacuolar transport Monocotyledones Root arsenate tolerance Hypersensitivity Tolerance arsenate reductase phytochelatin synthase Holcus lanatus Arabidopsis thaliana EC 2.3.2.15 Complementary DNA Gene Cruciferae Gramineae CDC25 Dicotyledones Angiospermae Spermatophyta Mutation
ISSN:	0960-7412, 1365-313X
Online Access:	Get full text
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