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Restriction enzyme analysis of partially transformation-defective mutants of acute leukemia virus MC29.

ABSTRACT

Restriction enzyme mapping and limited sequence analysis have been used to study the generation and genome structure of three partial-transformation mutants of avian acute leukemia virus MC29. The three mutants, td10A, td10C, and td10H, could be shown to have sustained overlapping deletions of 200, 400, and 600 base pairs, respectively, in their genomes. The precise location of the deletions was mapped within the v-myc gene of the mutants by limited sequence analysis of cloned MC29 DNA. The data obtained are discussed in terms of the effect of these deletions on the mechanism of transformation by MC29.