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Evaluation of the genotoxicity of imidacloprid insecticide in fre | 50851
Journal of Clinical Toxicology

Journal of Clinical Toxicology
Open Access

ISSN: 2161-0495

+44 1478 350008

Evaluation of the genotoxicity of imidacloprid insecticide in fresh water teleost Channa punctatus (Bloch) using the comet assay


International Toxicology Summit & Expo

November 26-28, 2012 Hilton San Antonio Airport, USA

Padmapriya Baliiepalli

Posters: J Clinic Toxicol

Abstract :

I midacloprid is a neonicotinoid insecticide with neurotoxic action. Only few data is available on its toxicity for aquatic species. Imidacloprid considered as possible replacement for the widely used organophosphate pesticides. However, limited researchers have made to study imidacloprid genotoxic effect in different fish tissues. The present investigation was aimed to assess the evaluation of the genotoxicity of the insecticide to the fresh water teleost Channa punctatus using Comet assay. The fishes were exposed to five concentrations (0.002, 0.004, 0.006, 0.008 and 0.01 ppm) for 96 h and sampling was done at regular (24, 48, 72 and 96 h) intervals for assessment of DNA damage in gill tissue. A noticeable rise in gill DNA break up has been observed in exposed fishes. This study recommends the use of comet assay as a tool to screen genotoxicity in aquatic fauna on exposure to xenobiotics.

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