Construct: Amino acid replacement: D38E.
visible | somatic clone, with Ras85Dx7b
eye | somatic clone, with Ras85Dx7b
Introduction of Ras85DD38E into flies that are homozygous for Ras85Dx7b in the eye disc results in a slight enlargement of the eye field, due to the presence of unpigmented cuticle, but no additional ommatidial structures are formed (compared to flies that are homozygous for Ras85Dx7b in the eye disc that are not also carrying Ras85DD38E).
Ras85DD38E, Ras85Dx7b has visible | somatic clone phenotype, suppressible by rl[+]/rlSem
Ras85DD38E, Ras85Dx7b has adult head | somatic clone phenotype, suppressible by rl[+]/rlSem
Ras85DD38E, Ras85Dx7b has eye | somatic clone phenotype, suppressible by rl[+]/rlSem
rlSem/+ alone is not sufficient to rescue the reduced eye and head phenotypes of flies that are homozygous for Ras85Dx7b in the eye disc. However, the addition of Ras85DD38E in combination with rlSem results in a substantial rescue of the Ras85Dx7b eye and head size phenotypes; differentiated photoreceptor cells are seen and a substantial fraction of the ommatidia contain the full complement of photoreceptors.
Ras85DD38E partially rescues Ras85Dx7b
Fails to rescue Ras85Dx7b to adulthood. Partially rescues the growth defects of Ras85Dx7b clones in the eye disc. In addition, the rescued cells survive beyond the morphogenetic furrow and R8 photoreceptor cells are seen to develop in the clone. The partial rescue is not increased by increased Ras85DD38E copy number nor by the addition of Ras85DY40C.