Abstract
Control and bromodeoxyuridine-containing rat-embryo-cell DNA were digested by the restriction endonucleases Hpa II and Msp I and were subsequently analyzed by agarose-gel electrophoresis as well as DNA-affinity chromatography. By the former technique, it appeared that no substantial differences existed between the two DNA samples with respect to the amount or distribution of methylcytosine. On the other hand, it was obvious following base-specific DNA chromatography that the virogenic analog was markedly concentrated in particular nucleotide sequences which demonstrated a proportionately greater affinity for the (A-T)-specific adsorbent irrespective of digestion by either restriction endonudease.
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Schwartz, S.A. Isolation by restriction endonuclease digestion and base-specific affinity chromatography of rat-embryo DNA sequences disproportionately enriched in virogenic bromodeoxyuridine. Biosci Rep 1, 107–118 (1981). https://doi.org/10.1007/BF01117007
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DOI: https://doi.org/10.1007/BF01117007