Summary
Electron microscopic studies on Marek's disease virus demonstrated that fibrils of 20 to 30 Å were arranged in a cohelical configuration within an electronopaque band of about 100 Å thickness in the core of immature particles. These fibrils were presumed to be the DNA double helix itself. This configuration may represent an arrangement of the herpesvirus DNA.
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Okada, K., Fujimoto, Y., Nakanishi, Y.H. et al. Cohelical arrangement of the DNA strand in the core of Marek's disease virus particles. Archives of Virology 64, 81–85 (1980). https://doi.org/10.1007/BF01317393
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DOI: https://doi.org/10.1007/BF01317393