Characterization of color mutants in lacZ plasmid-based transgenic mice, as detected by positive selection.

Abstract excerpt

The plasmid-based transgenic mouse model, which uses the lacZ gene as the target for mutation, is sensitive to a wide range of in vivo mutations, ranging from point mutations to insertions and deletions extending far into the mouse genome. In this study, the nature of subtle lacZ mutations, which do not completely abolish beta-galactosidase activity, as detected by positive selection, was investigated. These...

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