The integration of hepatitis B viral sequences in the human hepatoma Alexander cell line has been investigated after fractionation of the cell line DNA by centrifugation in a Cs2SO4/BAMD (3,6-(bis-acetato mercurimethyl) dioxane) density gradient. Eight out of nine integrated viral sequences were localized in DNA component H3, which only represents 4% of the human genome and matches the base composition of HBV sequences. These results indicate a targeting and/or a higher stability of the latter in a specific, small compartment of the host genome.
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| http://dx.doi.org/10.1093/nar/14.21.8373 | DOI Listing |
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