Evaluation of a plasmid-based transgenic mouse model for detecting in vivo mutations.

Abstract excerpt

To study in vivo somatic mutations a C57BL/6 transgenic mouse model was constructed harboring multiple chromosomally integrated copies of the plasmid pUR288, which carried the lacZ reporter gene as the mutational target. We previously demonstrated that lacZ-containing plasmids could be rescued from their integrated state efficient enough to detect mutations in lacZ by positive selection. The smaller size of the...

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