Journal of Stress Physiology & Biochemistry, Vol. 9 No. 3 2013, pp. 152-158 ISSN 1997-0838
Original Text Copyright (cc) 2013 by  John De Britto, Leon Stephan Raj, Sutha

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Molecular Responses of Groundnut (Arachis hypogea L.) to Zinc Stress

A. John De Britto, T. Leon Stephan Raj and M. Sutha

Post Graduate and Research Department of Plant Biology and Biotechnology, St.Xavier's College (Autonomous). Palayamkottai - 627 002, Tamil Nadu, India.


Received  February 27, 2013

Heavy metals are important environmental pollutants and their toxicity is a problem of increasing significance for ecological, evolutionary and environmental reasons. The interference of germination related proteins by heavy metals has not been well documented at the proteomic and genomic level. In the current study, molecular responses of germinating groundnut seeds were investigated under Zinc stress. The SDS-PAGE showed the preliminary changes in the polypeptides patterns under Zinc stress. Restriction digestion banding pattern of EcoRI and Hind III enzymes showed distinct banding pattern in the treated plants.

Key words:    Heavy metal stress, Arachis hypogea L., SDS- PAGE - polypeptides, Restriction enzymes 

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