Construct: Compensatory nucleotide substitutions in stem-loop II of the nos TCE sequences, that are predicted to restore base pairing within the stem-loop II helix.
nanosTCEIIA.U fails to rescue nanosBN
nosTCEIIA.U fails to rescue the abdominal segmentation defect of embryos derived from nosBN females; 91% of embryos have no abdominal segments, 9% have 1-3 abdominal segments.