Biologia plantarum 55:586-590, 2011 | DOI: 10.1007/s10535-011-0131-6

Differential proteomic analysis of cadmium-responsive proteins in wheat leaves

Y. Wang1,*, H. Hu1, Y. Xu1, X. X. Li1, H. J. Zhang2
1 School of Food and Biological Engineering, Jiangsu University, Zhenjiang, P.R. China
2 Institute of Life Science, Jiangsu University, Zhenjiang, P.R. China

To gain a comprehensive understanding of plant response to Cd, physiological and proteomic changes in wheat (Triticum aestivum L.) leaves exposed to a range of Cd concentrations (10, 100 and 200 μM) were investigated. Leaf elongation was decreased, whereas the H2O2 and malondialdehyde content increased significantly at higher Cd concentrations. Changes in protein profiles were analyzed by two-dimensional electrophoresis. Twenty-one proteins which showed 1.5-fold change in protein abundance in response to Cd were identified. These proteins can be functionally grouped into three groups: 1) oxidative stress response, 2) photosynthesis and sugar metabolism and 3) protein metabolism and others. These results provide a new insight into our understanding of the molecular basis of heavy metal response in plants.

Keywords: antioxidative enzymes; heavy metal; oxidative stress; Triticum aestivum

Received: March 28, 2010; Accepted: May 3, 2010; Published: September 1, 2011Show citation

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Wang, Y., Hu, H., Xu, Y., Li, X.X., & Zhang, H.J. (2011). Differential proteomic analysis of cadmium-responsive proteins in wheat leaves. Biologia plantarum, 55(3), 586-590. doi: 10.1007/s10535-011-0131-6.
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