|Citation||Silva, E.A., Lee, B.J., Caceres, L.S., Renouf, D., Vilay, B.R., Yu, O., Bradley, J.A., Campbell, S.D. (2006). A novel strategy for identifying mutations that sensitize Drosophila eye development to caffeine and hydroxyurea. Genome 49(11): 1416--1427. (Export to RIS)|
|Publication Type||Research paper|
|PubMed Abstract||This report describes a novel strategy for isolating Drosophila mutants with conditional eye phenotypes that should be generally applicable for identifying genes required for cellular responses to specific drugs. To test the strategy, we screened 3 of the 5 major chromosome arms for hydroxyurea- and (or) caffeine-sensitive (huc) mutants, and isolated mutations affecting 5 different complementation groups. Most of these were represented by single alleles; however, we also isolated multiple alleles of huc(29DE) gene, an essential gene that is also associated with a nonconditional pupal lethal phenotype. We also identified huc(95E) mutants, which are extremely sensitive to caffeine. Although huc(95E) is a nonessential gene, mutant imaginal disc cells undergo caffeine-dependent apoptosis, and huc(95E) gene function is required for the viability of the organism when mutant larvae are exposed to levels of caffeine that controls can easily tolerate. We have mapped the cytological positions of huc(29D) and huc(95E) as a first step toward molecularly characterizing the relevant genes.|
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|Language of Publication||English|
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