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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PsGEF is expressed in a subset of cells in the brain and ventral nerve cord as well as at the midgut fusion point in stage 15 embryos. It is also highly expressed in the optic lobes, antennal lobes, discrete neurons surrounding the antennal lobes, and mushroom bodies in the adult brain.
Location X:2243902-2243903 refined by FlyBase alignment of dbGSS accession AG215692 to D. melanogaster arm Release_4 and heterochromatin Release_3.2b. Insertion orientation revised.