Abstract

A strategy was devised for identifying regions of the mouse genome that are transcriptionally active in a temporally and spatially restricted manner during development. The approach is based on the introduction into embryonic stem cells of two types of lacZ reporter constructs that can be activated by flanking mouse genomic sequences. Embryonic stem cells containing the lacZ constructs were used to produce chimaeric mice. Developmental regulation of lacZ expression occurred at a high frequency. Molecular cloning of the flanking endogenous genes and introduction of these potential insertional mutations into the mouse germ line should provide an efficient means of identifying and mutating novel genes important for the control of mammalian development.

Keywords

BiologyEmbryonic stem cellGeneGeneticsReporter geneStem cellCloning (programming)lac operonCell biologyMolecular biologyGene expression

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Year
1989
Type
article
Volume
244
Issue
4903
Pages
463-465
Citations
490
Access
Closed

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Achim Gossler, Alexandra L. Joyner, Janet Rossant et al. (1989). Mouse Embryonic Stem Cells and Reporter Constructs to Detect Developmentally Regulated Genes. Science , 244 (4903) , 463-465. https://doi.org/10.1126/science.2497519

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DOI
10.1126/science.2497519