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+44 28 3718 0055Journal of Genetic Disorders & Genetic ReportsISSN: 2327-5790
Hassen Ben Cheikh Author
Subjects of specialization
Affiliation
Culex pipiens; Grand Tunis area; Fenitrothion; Propoxur; Resistance; Esterases; AChE, Control programs
Laboratory of Genetics, Faculty of Medicine of Monastir, Monastir University, Monastir-5019, Tunisia
Biography
| Hassen Ben Cheikh Laboratory of Genetics, Faculty of Medicine of Monastir, Monastir University, Monastir-5019, Tunisia |
Publications
Research Article Subscription
Chlorpyrifos Resistance Characteristics of Culex pipiens (Diptera: Culicidae) from Northern Tunisia
Author(s): Jaber Daaboub, Ahmed Tabbabi, Ali Lamari, Mohamed Feriani, Chokri Boubaker and Hassen Ben Cheikh
We collected four field populations of Culex pipiens larvae from Northern Tunisia to study their chlorpyrifos resistance characteristics. Assays were performed using ethanol solutions of chlorpyrifos and data were analyzed using a log-probit program. All samples were resistant to chlorpyrifos (RR>1, p<0.05) and a large variation in the tolerance to this insecticide was observed. The sample 3 (Northeast) was the most resistant with a level higher than 10,000-fold (RR50=43,174). The level of resistance was lower, not exceeding 5-fold in samples 1 (North West). CYP450, EST and/or GST enzymes accounted for only a small part of the observed resistances. Synergists tests confirmed biochemical study where four esterases were detected in studied samples with low and average frequ... view more»
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