Cadmium Toxicity Induces Production of H2O2 and Ethylene in Tomato Suspension Cell Culture
Journal Title: Journal of Environmental and Social Sciences - Year 2017, Vol 4, Issue 1
Abstract
Cadmium (Cd) is a non-essential toxic heavy metal and its interaction with plants causes toxicity to them with an overall reduction in plant productivity. Several physiological and biochemical changes occur when plants are exposed to Cd. The aim of the present work was to investigate the production of H2O2 and ethylene induced by toxicity of Cd in suspension cell culture of tomato. Upon exposure to Cd, a high amount of cell death was observed in suspension cell cultures of tomato. This cell death induced by Cd was accompanied by a significant increase in H2O2 and ethylene production. When inhibitors of H2O2 and ethylene were applied in the suspension cell cultures a significant decrease in the amount of cell death was observed following exposure to Cd. Thus the findings of the present investigation indicate that both H2O2 and ethylene are key players in mounting the toxic effects of Cd in suspension cell cultures of tomato.
Authors and Affiliations
Vishal Prasad
Keywords
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