Journal article

Glycoprotein G deletion mutants of equine herpesvirus 1 (EHV1; equine abortion virus) and EHV4 (equine rhinopneumonitis virus)

J Huang, CA Hartley, NP Ficorilli, BS Crabb, MJ Studdert

ARCHIVES OF VIROLOGY | SPRINGER WIEN | Published : 2005

Abstract

Glycoprotein G (gG) deletion mutants of EHV1 and EHV4, designated EHV1DeltagG and EHV4DeltagG, were constructed. The growth characteristics of the EHV1DeltagG mutants were similar to the parent virus. All of the EHV4DeltagG mutants grew more slowly in cell culture and produced plaques of different morphology including smaller size. The yields of both gG deletion mutant viruses in cell culture were similar to the parent viruses. Sequencing of the genes flanking gG, Southern blot, PCR and western blot analyses of the mutant viruses demonstrated that the deletions were as expected, except for EHV4DeltagG mutants, which in addition to deletion of gG contained unexpected deletions in the adjacent..

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