Article ID Journal Published Year Pages File Type
1976664 Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology 2008 6 Pages PDF
Abstract

Myosin regulatory light chain (MRLC) (GenBank accession no. DQ140391) was cloned from Culex pipiens pallens. An open reading frame (ORF) of 630 bps was found to encode a putative 210 amino acids protein which shows 73% similarity with myosin regulatory light chain of Gryllotalpa orientalis. Real-time quantitative PCR analysis demonstrated that the transcription level of MRLC in deltamethrin-resistant strain (DR-strain) was 4.08-fold higher than in deltamethrin-susceptible strain (DS-strain) of C. pipiens pallens. Over-expression of MRLC in Aedes albopictus C6/36 cells conferred protection against deltamethrin based on tritiated methyl tritiated thymidine (3H-TdR) incorporation assay. These results indicate that MRLC may be a potential cause of deltamethrin resistance in C. pipiens pallens.

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