Directed termination PCR: a one-step approach to mutation detection.

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RESUMO

We describe a novel PCR-based method that allows the generation of nested termination fragments by integrating both selective DNA amplification and directed chain termination into a single PCR reaction. These termination fragments can be examined for sequence variation in either denaturing or non-denaturing polyacrylamide gels. This method provides a one-step and highly effective approach for the detection of both insertions/deletions and single base pair substitutions in sequences up to 1 kb in length.

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