Deletions and an inversion induced by a resident IS1 of the lactose transposon Tn951.
DNA-DNA filter binding tests, "Southern" blotting experiments and DNA heteroduplex analysis clearly show that Tn951 contains an IS1 element. This IS1-951 sequence is peculiar in that it does not contain the PstI cleavage site which is usually observed on E. coli derived IS1 elements. Nonetheless, IS1-951 induces deletions. This process is temperature dependent. One instance of an IS1-951 induced inversion was observed, the structure of which is compatible with the current models of transposition of IS elements.
20 references, click to expand
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