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Proteins in Xylem Exudates from Rapeseed Plants (Brassica napus L.) Play a Crucial Role in Cadmium Phytoremediation
Phytoremediation is an economical and viable method for reducing cadmium (Cd) in polluted soils. Cd is transported from the roots to the stem. Binding of Cd by organic acids and amino acids and its subsequent transportation through plants via xylem vessels is verified. However, the roles that proteins play in Cd transport are still unclear. Rapeseed plants are selected for this study. After treating with Cd (0, 10, and 30 μmol L−1 (µM)), the proteins of the plant are analyzed using two‐dimensional electrophoresis. Twelve significantly differentially regulated spots are identified using mass spectrometry when the Cd concentration is increased; six of these spots are upregulated and six are downregulated. By identifying the functions of these proteins, transport of Cd to the xylem of rapeseed plants can be classified according to the cellular physiologies involved in carbohydrate metabolism, energy production, and redox damage reduction. This study provides a crucial basis for further proteomic and genetic studies on environmental Cd phytoremediation.
Proteins in Xylem Exudates from Rapeseed Plants (Brassica napus L.) Play a Crucial Role in Cadmium Phytoremediation
Phytoremediation is an economical and viable method for reducing cadmium (Cd) in polluted soils. Cd is transported from the roots to the stem. Binding of Cd by organic acids and amino acids and its subsequent transportation through plants via xylem vessels is verified. However, the roles that proteins play in Cd transport are still unclear. Rapeseed plants are selected for this study. After treating with Cd (0, 10, and 30 μmol L−1 (µM)), the proteins of the plant are analyzed using two‐dimensional electrophoresis. Twelve significantly differentially regulated spots are identified using mass spectrometry when the Cd concentration is increased; six of these spots are upregulated and six are downregulated. By identifying the functions of these proteins, transport of Cd to the xylem of rapeseed plants can be classified according to the cellular physiologies involved in carbohydrate metabolism, energy production, and redox damage reduction. This study provides a crucial basis for further proteomic and genetic studies on environmental Cd phytoremediation.
Proteins in Xylem Exudates from Rapeseed Plants (Brassica napus L.) Play a Crucial Role in Cadmium Phytoremediation
Jien, Shih‐Hao (author) / Lin, Yong‐Hong (author)
2018-10-01
7 pages
Article (Journal)
Electronic Resource
English
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