Identification of Genes Involved in the Differentiation of R7y and R7p Photoreceptor Cells in Drosophila.

ABSTRACT: The R7 and R8 photoreceptor cells of the Drosophila compound eye mediate color vision. Throughout the majority of the eye, these cells occur in two principal types of ommatidia. Approximately 35% of ommatidia are of the pale type and express Rh3 in R7 cells and Rh5 in R8 cells. The remaining 65% are of the yellow type and express Rh4 in R7 cells and Rh6 in R8 cells. The specification of an R8 cell in a pale or yellow ommatidium depends on the fate of the adjacent R7 cell. However, pale and yellow R7 cells are specified by a stochastic process that requires the genes spineless, tango and klumpfuss To identify additional genes involved in this process we performed genetic screens using a collection of 480 P{EP} transposon inserti

SUBMITTER: Earl JB 

PROVIDER: S-EPMC7642934 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature