modENCODE |  Help |  blog

Phenotype Annotation :

Annotation Type  manifest in Description  photoreceptor cell R4
Allele . Primary Identifier  FBal0014168

1 Allele

DB identifier Symbol Allele Class Organism
FBal0014168 R[1] neomorphic allele - genetic evidence Drosophila melanogaster

1 Anatomy Term

Identifier Name Description
FBbt:00004219 photoreceptor cell R4 Outer photoreceptor cell of the adult eye whose rhabdomere is located in the middle of the longer of the two non-parallel sides of trapezoid of rhabdomeres in each ommatidium, in between the rhabdomeres of R3 and R5. It has a single axon that projects along a single lamina optic cartridge (Fischbach and Dittrich, 1989; Wolff and Ready, 1993) within which it makes extensive presynaptic connections with the lamina monopolar cells L1-L3, lamina intrinsic (amacrine) cells and columnar neuron T1, before terminating in the proximal lamina. It also establishes connections with epithelial glial cells. The photoreceptor R4 receives input from L4 (collaterals from adjacent columns) and lamina intrinsic (amacrine) cells (Rivera-Alba et al., 2011).

0 CV Terms

1 Data Sets

Name URL
FlyBase data set for Drosophila melanogaster  

0 Development Term

1 Publications

First Author Title Year Journal Volume Pages PubMed ID
Hariharan IK The Drosophila roughened mutation: activation of a rap homolog disrupts eye development and interferes with cell determination. 1991 Cell 67 717-22 1934069