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Erschienen in:
28.11.2017 | Brief Report
Significant differences in the intra-host genetic diversity of Helicoverpa armigera nucleopolyhedrovirus dnapol after serial in vivo passages in the same insect population
Erschienen in: Archives of Virology | Ausgabe 3/2018
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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 variant structure after in vivo passages in the same host population is not necessarily convergent, and that it may be reasonable to expect significant differences in intra-host HearNPV genetic diversity after inoculation of larvae with a genotypically-diverse HearNPV inoculum.