stjDD196 contains a late stop codon and is predicted to lack the δ peptide.
Amino acid replacement: Q989term.
C13816923T
Q989term | stj-PB; Q1042term | stj-PC; Q1008term | stj-PD
Q989term
Site of nucleotide substitution in mutant inferred by FlyBase based on reported amino acid change.
Homozygous stjDD196 and transheterozygous stjDD196/Df(2R)Exel7128 mutants exhibit spontaneous miniature excitatory junction currents of wild-type amplitude, indicating that functional release sites are properly aligned with functional receptors, despite the absence of boutons.
stjDD196 embryos have a small evoked response in high Ca[2+] saline (9% of wild-type).
stjDD196 homozygous embryos exhibit a mild anatomical phenotype.
stjDD196/stjDD196, stjDD196/Df(2R)CX1 or stjDD196/Df(2R)Exel7128 animals die as well-formed, late stage embryos.
Adults with eyes that are homozygous for stjDD196 (due to somatic clones induced using Scer\FLP1Scer\UAS.cDa; Scer\GAL4ey.PH) have severely abnormal electro-retinograms (ERGs) in response to light: on/off transients are lacking and the sustained components of the response are abnormally slow in their onset and recovery.
stjDD196 has abnormal neuroanatomy | embryonic stage phenotype, suppressible by cac20-3
stjDD196 is rescued by Scer\GAL4elav-C155/stjUAS.Int.Tag:HA
stjDD196 is rescued by Scer\GAL4elav-C155/stjΔδ-3.UAS.Tag:HA
stjDD196/stjDD106 is rescued by stjUAS.Tag:HA/Scer\GAL4da.G32
stjDD196/stjDD106 is rescued by stjUAS.Tag:HA/Scer\GAL4elav.PLu
Expression of stjScer\UAS.Int.T:Ivir\HA1 under the control of Scer\GAL4elav-C155 rescues bouton formation in stjDD196 mutants.
Expression of stjΔδ-3.Scer\UAS.T:Ivir\HA1 under the control of Scer\GAL4elav-C155 rescues bouton formation in stjDD196 mutants.
Lethality due to stjDD106/stjDD196 is rescued by stjScer\UAS.T:Ivir\HA1 with Scer\GAL4da.G32, Scer\GAL4elav.PLu or both.