Fine-structure mutational analysis of a stage- and tissue-specific promoter element of the Drosophila glue gene Sgs-3.


The Sgs-3 gene of Drosophila melanogaster exhibits a tightly regulated pattern of expression governed by two functionally equivalent elements within 1 kb of the gene, each of which is sufficient to confer third-instar salivary gland-specific transcription. In this report we describe a detailed functional analysis of one of these, the proximal element. To… (More)


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