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Full-Text Articles in Neuroscience and Neurobiology
Her9/Hes4 Is Required For Retinal Photoreceptor Development, Maintenance, And Survival, Cagney E. Coomer, Stephen G. Wilson, Kayla F. Titialii-Torres, Jessica D. Bills, Laura A. Krueger, Rebecca A. Petersen, Evelyn M. Turnbaugh, Eden L. Janesch, Ann C. Morris
Her9/Hes4 Is Required For Retinal Photoreceptor Development, Maintenance, And Survival, Cagney E. Coomer, Stephen G. Wilson, Kayla F. Titialii-Torres, Jessica D. Bills, Laura A. Krueger, Rebecca A. Petersen, Evelyn M. Turnbaugh, Eden L. Janesch, Ann C. Morris
Biology Faculty Publications
The intrinsic and extrinsic factors that regulate vertebrate photoreceptor specification and differentiation are complex, and our understanding of all the players is far from complete. Her9, the zebrafish ortholog of human HES4, is a basic helix-loop-helix-orange transcriptional repressor that regulates neurogenesis in several developmental contexts. We have previously shown that her9 is upregulated during chronic rod photoreceptor degeneration and regeneration in adult zebrafish, but little is known about the role of her9 during retinal development. To better understand the function of Her9 in the retina, we generated zebrafish her9 CRISPR mutants. Her9 homozygous mutants displayed striking retinal phenotypes, including decreased …