Synthesis of a new substrate for detection of lacZ gene expression in live Drosophila embryos.

Abstract excerpt

Escherichia coli lacZ, which encodes beta-galactosidase, has become a widely used reporter gene to study the developmental regulation of gene expression in a variety of organisms. To detect the presence of the beta-galactosidase, the sample must be fixed and appropriately stained. This sort of analysis yields rather crude estimates of the spatial-temporal changes in gene expression patterns. In addition, one...

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