Amino acid replacement: W652term.
G22743270A
W652term | vret-PA
W652term
G to A nucleotide change at the second or third position of the Trp codon leads to a nonsense mutation (exact site of mutation unspecified). Site of nucleotide substitution in mutant inferred by FlyBase based on reported amino acid change.
Oogenesis in vret70 females progresses to later stages, but egg chambers are defective with abnormal nurse cell numbers and improper oocyte positioning. Follicle cells often fail to encapsulate egg chambers and occasionally form disorganized multicellular layers.