Dorsal-ventral patterning in Drosophila: DNA binding of snail protein to the single-minded gene.
basic_science · Level V
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- Record sourced from PubMed, PMID 1533042.
- Also identified by PMC identifier 48878.
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Abstract
The Drosophila snail gene is required for proper mesodermal development. Genetic studies suggest that it functions by repressing adjacent ectodermal gene expression including that of the single-minded (sim) gene. The snail gene encodes a protein with a zinc-finger motif, and here we report that the snail gene product is a sequence-specific DNA binding protein. The snail protein recognizes a 14-base-pair consensus sequence that is found nine times in a 2.8-kilobase sim regulatory region. These results provide evidence for the direct control of sim transcription by snail.
Medical subject headings
- DNA-Binding Proteins
- Drosophila
- Genes
- Zinc Fingers