Tolerance of two ciliates, Stylonychia mytilus and Paramecium caudatum, isolated from industrial effluents to an organophosphate, endosulfan and their potential use in bioremediation of insecticide-contaminated wastewater. | [Pakistan Journal of Zoology • 2008]

Author(s):

1. Abdul-Rehman: Department of Microbiology & Molecular Genetics, University of the Punjab, New Campus, Lahore, Pakistan

2. Rukhsana Shuja: School of Biological Sciences, University of the Pun jab, Lahore, Pakistan

3. Abdul Rauf Shakoori: School of Biological Sciences, University of the Pun jab, Lahore, Pakistan

Abstract:

Two ciliate protozoan%, Stylonychia mytilus and Paramecium caudatum isolated front tannery effluent and cultured in a medium containing norganic salts showed tolerance against endosulfan (1.8 µg/ml). The protozoans uptake the uptake the insecticide from the medium for utilization. Stylonychia mytilus reduced 21% endosulfan from the medium within 48 hours of inoculation of insecticide containing medium with the protozoan cells; at the end of 8 days of culturing the reduction of endosulfan in insecticide containing medium was 78%, The Paramecium caudatum on the other hand reduced concentration of endosulfan in medium by 11% after 2 days of inoculation, whereas alter 8 days of culturing, the reduction was 72%. The insecticide utilization by protozoa as a carbon source for their growth can be exploited for insecticide removal and environmental clean-up operations.

Page(s): 255-261

DOI: DOI not available

Published: Journal: Pakistan Journal of Zoology, Volume: 40, Issue: 4, Year: 2008

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