A pentamer of a 38bp region of the ninaE promoter (each copy of the 38bp sequence contains the minimal 29bp fragment protected by gl protein in a footprinting assay plus additional flanking nucleotides) is fused upstream of a minimal Hsp27 promoter followed by sequence encoding lacZ tagged with a nuclear localization signal.
The reporter construct is expressed only in photoreceptor cells in the developing eye disc.
In third instar larva: expressed predominantly in photoreceptor cells in eye-antennal disc; also expressed in a small number of cells in the brain.
construct_comment: One of a series of lacZ reporter constructs used to assay function of ninaE promoter regions that contain glass protein binding sites.