Significant differences in the intra-host genetic diversity of Helicoverpa armigera nucleopolyhedrovirus dnapol after serial in vivo passages in the same insect population.

Abstract excerpt

A denaturing gradient gel electrophoresis assay was used to assess the genetic diversity within a region of the DNA polymerase gene (dnapol) in Helicoverpa armigera nucleopolyhedrovirus (HearNPV) populations over serial in vivo passages. There was no evidence of movement towards a consensus dnapol variant composition in the different host larvae after multiple per os passages. The study showed that the HearNPV...

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