Level of CYP4G19 Expression Is Associated with Pyrethroid Resistance in Blattella germanica

Figure 1

(a) Semi-quantitative RT-PCR analysis of CYP4G19 mRNA expression levels. A, Gel electrophoresis analysis of PCR products of actin and CYP4G19 genes. Lane 1$~$6: Pesticide sensitive strain; Lane $1^{\prime }$~$6^{\prime }$: Wild strain. (b) Bar chart of semiquantitative RT-PCR analysis. The white bars were wild strain and the black bars were sensitive group. Asterisks indicated differences statistically significant $P<.01$ ($t$-test). Data of (b) represent means OD values $\pm$ SEM of three independent experiments, and each experiments including five samples of wild and sensitive strains.

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