Separation of Epstein-Barr Virus DNA from Large Chromosomal DNA in Non-virus-producing Cells (original) (raw)

Nature New Biology volume 238, pages 169–171 (1972)Cite this article

Abstract

AT least four established human lymphocyte cell lines, one that originates from a Burkitt's lymphoma and the others from normal persons, contain Epstein-Barr virus (EBV) genome1. These cells show no viral antigens by immunofluorescence tests nor do they produce virus particles. We are examining one of the four cell lines, Raji (cells from a Burkitt's lymphoma), in more detail. The DNA isolated from purified Raji chromosomes contains as much virus genome as the DNA extracted from whole cells (65 genome equivalents per cell)1. The viral DNA therefore seems to be in the chromosomes. This result, however, does not necessarily indicate that the viral DNA is physically integrated into chromosomal DNA. The following experiments suggest that the EBV DNA in Raji cells is not covalently linked to the large chromosomal DNA, although the number of viral genomes per cell remains constant during passage. The results do not, however, exclude the possibility that small fragments of cell DNA are bonded to the viral DNA. The data also indicate that EBV DNA in Raji cells exists in strands of complete or nearly complete size.

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Authors and Affiliations

  1. Department of Bacteriology and Immunology, and Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, 27514
    MEIHAN NONOYAMA & JOSEPH S. PAGANO

Authors

  1. MEIHAN NONOYAMA
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  2. JOSEPH S. PAGANO
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NONOYAMA, M., PAGANO, J. Separation of Epstein-Barr Virus DNA from Large Chromosomal DNA in Non-virus-producing Cells.Nature New Biology 238, 169–171 (1972). https://doi.org/10.1038/newbio238169a0

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