Genomic nanos fragment in which the nanos 3'UTR has been replaced with the αTub84B 3'UTR. +1 element sequences (nucleotides 6-96) of the nanos 3' UTR and +2' element sequences (nucleotides 97-185) of the nanos 3' UTR have been inserted into the αTub84B 3' UTR sequences; they are separated by 130bp of αTub84B 3' UTR sequence.
Embryos derived from nosBN females which are also expressing nosnos.+1.+2' do not have anterior defects.
nanosnanos.+1.+2' is a non-suppressor of embryonic abdominal segment phenotype of vas1/vas3
nosnos.+1.+2' fails to rescue the abdominal segmentation defect of embryos derived from vas1/vas3 females; 100% of the embryos develop no abdominal segments. The embryos do not have anterior defects.
nosnos.+1.+2' rescues the abdominal segmentation defect of embryos derived from nosBN females; 6% develop 4-6 abdominal segments and 94% develop 7-8 abdominal segments.