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pubmed:abstractText |
The DNAs of two closely related orthopoxviruses, rabbit poxvirus (RPV) and vaccinia virus (VV), were mapped by overlapping-fragment analysis using restriction endonucleases HindIII and Sst I. The exact arrangement of these fragments was accomplished by total digestion of isolated partial restriction products and by end-fragment determination. RPV and VV DNAs showed identical restriction patterns in an internal region comprising approximately 60% of the genome. The size, by electrophoretical analysis of the RPV DNA, was 118 X 10(6) daltons, some 6 X 10(6) daltons less than VV DNA. The two opposite terminal restriction fragments of RPV DNA cross-hybridized to each other.
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