Title |
Genome-wide examination of the transcriptional response to ecdysteroids 20-hydroxyecdysone and ponasterone A in Drosophila melanogaster
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Published in |
BMC Genomics, September 2011
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DOI | 10.1186/1471-2164-12-475 |
Pubmed ID | |
Authors |
Sarah E Gonsalves, Scott J Neal, Amy S Kehoe, J Timothy Westwood |
Abstract |
The 20-hydroxyecdysone (20E) hierarchy of gene activation serves as an attractive model system for studying the mode of steroid hormone regulated gene expression and development. Many structural analogs of 20E exist in nature and among them the plant-derived ponasterone A (PoA) is the most potent. PoA has a higher affinity for the 20E nuclear receptor, composed of the ecysone receptor (EcR) and Ultraspiracle proteins, than 20E and a comparison of the genes regulated by these hormones has not been performed. Furthermore, in Drosophila different cell types elicit different morphological responses to 20E yet the cell type specificity of the 20E transcriptional response has not been examined on a genome-wide scale. We aim to characterize the transcriptional response to 20E and PoA in Drosophila Kc cells and to 20E in salivary glands and provide a robust comparison of genes involved in each response. |
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Student > Bachelor | 8 | 18% |
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Student > Master | 3 | 7% |
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Neuroscience | 1 | 2% |
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