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Korean Society for Biochemistry and Molecular Biology (생화학분자생물학회)
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Transcription, Translation, and Immunolocalization of ODVP-6E/ODV-E56 and p74 Proteins: Two Highly Conserved ODV-associated Envelope Proteins of Choristoneura fumiferana Granulovirus

  • Published : 2005.01.31
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Abstract

Choristoneura fumiferana granulovirus (ChfuGV) infection results two types of enveloped virions: Occlusion-derived virus (ODV) and budded virus (BV). Structural proteins ODVP-6E/ODV-E56 and p74 are two major conserved ODV-associated proteins that may be involved in the initiation of viral infection cycle in susceptible host insect larvae. This study presents the characterization of ChfuGV odvp-6e/odv-e56 and p74 transcription and translation as well as immunolocalization of these proteins in the occluded ChfuGV virion. Our results revealed that the transcription of odvp-6e/odv-e56 and p74 genes, both, start at 24 hours post infection (h p.i.). Using monospecific polyclonal antibodies made against ODVP-6E/ODV-E56 and p74 we demonstrated that these proteins are both expressed late in infection (24 h p.i.). Immunogold labeling using antisera against ODVP-6E/ODV-E56 and p74 proteins demonstrated that ODVP-6E/ODV-E56 and p74 proteins are both associated with the ODV envelop of ChfuGV.

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References

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