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Degradation of Profenofos and and#955;-Cyhalothrin Using Endogenous Bacterial Isolates and Detection of the Responsible Genes | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
Open Access

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Research Article

Degradation of Profenofos and λ-Cyhalothrin Using Endogenous Bacterial Isolates and Detection of the Responsible Genes

Reda R Abdullah1,2*, Sherif B Abdel Ghani3,4 and Noha A Sukar5

1Plant Protection Research Institute, Agriculture Research Center, Giza, Egypt

2Promising Research Center in Biological Control and Agricultural Information, Qassim University, Saudi Arabia

3Plant Production and Protection Department, College of Agriculture and Veterinary medicine, Qassim University, 51452 Buraydah, PO Box 6622, Al-Qassim, Saudi Arabia

4Department of Plant Protection, Faculty of Agriculture, Ain Shams University, PO Box 68 Hadayek Shoubra, 11241 Cairo, Egypt

5Department of Biological and Environmental Science, Al Azhar University, Tanta, Egypt

*Corresponding Author:
Reda R Abdullah
Promising Research Center in Biological Control and
Agricultural Information, Qassim University, Saudi Arabia
Tel: +966533800146
E-mail: [email protected]

Received date: April 04, 2016; Accepted date: July 14, 2016; Published date: July 15, 2016

Citation: Abdullah RR, Ghani SBA, Sukar NA (2016) Degradation of Profenofos and λ-Cyhalothrin Using Endogenous Bacterial Isolates and Detection of the Responsible Genes. J Bioremed Biodeg 7:360. doi:10.4172/2155-6199.1000360

Copyright: © 2016 Abdullah RR, et al. This is an open-a ccess article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

An effective profenofos and λ-cyhalothrin degrading bacterium (strain DB17) was isolated from soil samples collected from Qassim region, Saudi Arabia. Based on the results of phylogenetic similarity of 16SrDNA gene sequences, strain DB17 was identified to be Pseudomonas putida. The isolate utilized profenofos and λ-cyhalothrin as the sole source of carbon for its growth. Analytical method was developed and validated for the determination of profenofos and λ-cyhalothrin in bacterial medium to monitor the intended biodegradation of both compounds. The inoculation of isolate DB17 109 and 1011 cells/ml to mineral salt medium supplemented by 100 mg/liter of profenofos and λ-cyhalothrin resulted in a higher degradation rate than in non-inoculated medium. The genes encoding organophosphorus hydrolase (mpd and opd) and pyrethroid-degrading esterase gene (pytY) were cloned using a PCR cloning strategy. The obtained results highlight the potential of this bacterium to be used in the cleanup of pesticide contaminated sites.

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