alexa Understanding the Mechanisms Involved in the Regulation
ISSN: 2161-0983

Entomology, Ornithology & Herpetology: Current Research
Open Access

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Review Article

Understanding the Mechanisms Involved in the Regulation of Cytochrome P450 Gene Expression in Drosophila melanogaster (Diptera: Drosophilidae)

Mohammed BR1,2*, Kawe MS1, Nwachukwu OM1, Jegede OC1, Agbede RIS1 and Finn RD3

1School of Science Engineering and Technology, Abertay University, Dundee, DD1 1HG, UK

2Department of Parasitology and Entomology, Faculty of Veterinary Medicine, University of Abuja, Nigeria

3Department of Applied Sciences, Northumbria University, Newcastle Upon Tyne, NE1 8ST, UK

*Corresponding Author:
Mohammed BR
School of Science Engineering and Technology
Abertay University
Dundee, DD1 1HG, UK
Tel: +234(0)8038557168
E-mail: [email protected]

Received Date: December 14, 2016; Accepted Date: January 25, 2017; Published Date: January 31, 2017

Citation: Mohammed BR, Kawe MS, Nwachukwu OM, Jegede OC, Agbede RIS, et al. (2017) Understanding the Mechanisms Involved in the Regulation of Cytochrome P450 Gene Expression in Drosophila melanogaster (Diptera: Drosophilidae). Entomol Ornithol Herpetol 6:189. doi: 10.4172/2161-0983.1000189

Copyright: © 2017 Mohammed BR, et al. This is an open-access 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.



Cytochrome P450 monooxygenases (P450s) are known to play a central role in the adaptive response of insects and other animals to chemicals in the environment. Drosophila spp. P450s are known to be regulated by Cap ‘n’ collar isoform C (CnCC) and/ Spineless (ss) which are orthologs to Nuclear factor erythroid-2 factor 2 (Nrf2)/Aryl hydrocarbon receptor (AhR) in higher mammals. However, the mechanism underpinning this regulation in insects including fruit fly, Drosophila melanogaster is poorly understood. Understanding the constitutive and inducible patterns of expression requires knowledge about the signalling pathways that control insect P450 expression, which is still lacking for most identified insect P450s. D. melanogaster, because of its longstanding use as a genetic model insect, is a powerful tool for identifying possible regulatory mechanisms and for following expression through to function. Here, we describe the roles played by the cis-acting elements and the Transcription Factors (TFIF) mechanisms involved in the regulation of cytochrome P450 genes in D. melanogaster in response to xenobiotic compounds. These cis-acting elements include; promoters, enhancers, repressors, silencers and insulators. The regulatory mechanisms involved in the regulation of the P450s by the spineless (ss)/tango (Tgo) and CnCC/dKeap1 (Drosophila Kelch-like ECH-associated protein 1) signalling pathways in insecticide resistance were also extensively discussed. This review increases our understanding of the regulatory mechanisms involved in the insecticide metabolism in Drosophila melanogaster.


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