International Journal of Environmental Sciences

Volume 2 Issue 4 2012           Pages:2015- 2023

Effects of chlorpyrifos on enzymes as biomarkers of toxicity in Fresh water field crab Barytelphusa guerini

Author Information:

Madhusudan Reddy Narra Department of Zoology, University College of Science, Osmania University, Hyderabad

Rudra Reddy Regatte Department of Zoology, University College of Science, Osmania University, Hyderabad

Rajender Kodimyala Department of Zoology, University College of Science, Osmania University, Hyderabad

ABSTRACT

The fresh water field crab, Barytelphusa guerini is an important commercial crustacean being widely distributed along the Andhra Pradesh and some other parts of India. The crab is constantly exposed to pesticides, which are used extensively to control agricultural pests. Evaluation of toxic effect of chlorpyrifos on crab was carried out. Effect of 1/3rd and 1/4th LC50 concentrations of chlorpyrifos was carried out in the sensitive organs such as nervous tissue, thoracic ganglia and eyestalk. Alterations in the Lactate dehydrogenase (LDH), Succinate dehydrogenase (SDH), Acid phosphatase (ACP) and alkaline phosphatase (ALP) was carried out. The enzyme LDH was elevated throughout the experimented period and the SDH, ACP and ALP activity was inhibited along the experimental period at two sub-lethal concentrations.

Key words: Crab, Organophosphates, Pesticide, Dehydrogenase, Phosphatase

DOI: 10.6088/ijes.00202030085


© 2012 Copyright Madhusudan Reddy Narra et al, licensee IPA.This is an open access article distributed under the Creative Commons Attribution License (2.0) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The electronic version of the article can be downloaded below.

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