Journal
COMMUNICATIONS BIOLOGY
Volume 5, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s42003-022-04337-1
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Funding
- Retinal Research Foundation
- NIH [S10OD023469, S10OD025240, P30EY002520]
- CPRIT [RP200504]
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This study presents single cell transcriptomic data on the adult Drosophila eye, identifying cell type specific marker genes and revealing that the clustering of R7 and R8 photoreceptors is determined by the expression of specific Rhodopsin proteins. These transcriptomic data provide valuable insights into the mechanisms of the adult fly eye as a model system.
The adult Drosophila eye is a powerful model system for phototransduction and neurodegeneration research. However, single cell resolution transcriptomic data are lacking for this tissue. We present single cell RNA-seq data on 1-day male and female, 3-day and 7-day old male adult eyes, covering early to mature adult eyes. All major cell types, including photoreceptors, cone and pigment cells in the adult eye were captured and identified. Our data sets identified novel cell type specific marker genes, some of which were validated in vivo. R7 and R8 photoreceptors form clusters that reflect their specific Rhodopsin expression and the specific Rhodopsin expression by each R7 and R8 cluster is the major determinant to their clustering. The transcriptomic data presented in this report will facilitate a deeper mechanistic understanding of the adult fly eye as a model system.
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