PhotoGal4: A Versatile Light-Dependent Switch for Spatiotemporal Control of Gene Expression in Drosophila Explants

Summary: We present here PhotoGal4, a phytochrome B-based optogenetic switch for fine-tuned spatiotemporal control of gene expression in Drosophila explants.This switch integrates the light-dependent interaction between phytochrome B and PIF6 from plants with regulatory elements from the rowenta dr8270 yeast Gal4/UAS system.We found that PhotoGal4

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