Abstract
During the course of extending the physical map of Bacillus subtilis temperate bacteriophage phi 105 to include SstI, XhoI, and HpaI, we recognized that the previous physical map for EcoRI was incorrect. The new enzyme maps were determined by single, double, and partial enzyme digestions, redigestion of purified phage fragments, end joint analysis, and DNA-DNA hybridization. The EcoRI physical map was corrected by double digestion of isolated fragments, DNA hybridization, and physical mapping by partial digestion of end-labeled fragments. EcoRI fragment G was repositioned to give the order D-G-I-E-B-H-F-C.
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