Drosophila Crumbs is a positional cue in photoreceptor adherens junctions and rhabdomeres.
Izaddoost et al., 2002, Nature 416(6877): 178--182 [
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Crumbs, the Drosophila homologue of human CRB1/RP12, is essential for photoreceptor morphogenesis.
Pellikka et al., 2002, Nature 416(6877): 143--149 [
FBrf0147164]