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| Item Type: | Article |
|---|---|
| Title: | microRNA target predictions across seven Drosophila species and comparison to mammalian targets |
| Creators Name: | Grün, D., Wang, Y.L., Langenberger, D., Gunsalus, K.C. and Rajewsky, N. |
| Abstract: | microRNAs are small noncoding genes that regulate the protein production of genes by binding to partially complementary sites in the mRNAs of targeted genes. Here, using our algorithm PicTar, we exploit cross-species comparisons to predict, on average, 54 targeted genes per microRNA above noise in Drosophila melanogaster. Analysis of the functional annotation of target genes furthermore suggests specific biological functions for many microRNAs. We also predict combinatorial targets for clustered microRNAs and find that some clustered microRNAs are likely to coordinately regulate target genes. Furthermore, we compare microRNA regulation between insects and vertebrates. We find that the widespread extent of gene regulation by microRNAs is comparable between flies and mammals but that certain microRNAs may function in clade-specific modes of gene regulation. One of these microRNAs (miR-210) is predicted to contribute to the regulation of fly oogenesis. We also list specific regulatory relationships that appear to be conserved between flies and mammals. Our findings provide the most extensive microRNA target predictions in Drosophila to date, suggest specific functional roles for most microRNAs, indicate the existence of coordinate gene regulation executed by clustered microRNAs, and shed light on the evolution of microRNA function across large evolutionary distances. All predictions are freely accessible at our searchable Web site http://pictar.bio.nyu.edu. |
| Source: | PLoS Computational Biology |
| ISSN: | 1553-734X |
| Publisher: | Public Library of Science |
| Volume: | 1 |
| Number: | 1 |
| Page Range: | e13 |
| Date: | June 2005 |
| Official Publication: | https://doi.org/10.1371/journal.pcbi.0010013 |
| PubMed: | View item in PubMed |
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