A set of transgenic insertion stocks derived by TE mobilization using the P-element construct P{GawB}. The P{GawB} construct carries a w+mW.hs mini-white visible marker and Scer\GAL4 driver/enhancer trap sequences. The GAL4-UAS system is a binary system using Scer\GAL4, a yeast transcription activator protein gene, and Scer\UAS, the DNA binding site for the GAL4 protein. The P{GawB} construct acts as an enhancer trap: expression of the GAL4 is sensitive to enhancers in the genomic region of an insertion. When paired with a construct or insertion carrying a reporter gene downstream of Scer\UAS, the reporter gene is driven by and reflects the expression of the GAL4.
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stj expression (assayed via stj-GAL4-driven GFP) is observed in the brain and ventral nerve cord of larvae and adults. In the visual system it is observed in the axons and terminals of photoreceptor cells as well as in the optic lobe. Comparison to other neuronal markers indicates that it is expressed in a subset of motor and interneurons in the larvarl CNS.
Location 2R:9321840-9321841 refined by FlyBase alignment of dbGSS accession AG218357 to D. melanogaster arm Release_4 and heterochromatin Release_3.2b. Insertion orientation revised.