Lower Expression of Genes near microRNA in C. elegans Germline

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Lower Expression of Genes near microRNA in C. elegans Germline

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Title: Lower Expression of Genes near microRNA in C. elegans Germline
Author: Inaoka, Hidenori; Fukuoka, Yutaka; Kohane, Isaac Samuel

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Citation: Inaoka, Hidenori, Yutaka Fukuoka, and Isaac S Kohane. 2006. Lower expression of genes near microRNA in germline. BMC Bioinformatics 7: 112.
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Abstract: Background: MicroRNAs (miRNAs) are recently discovered short non-protein-coding RNA molecules. miRNAs are increasingly implicated in tissue-specific transcriptional control and particularly in development. Because there is mounting evidence for the localized component of transcriptional control, we investigated if there is a distance-dependent effect of miRNA. Results: We analyzed gene expression levels around the 84 of 113 know miRNAs for which there are nearby gene that were measured in the data in two independent C. elegans expression data sets. The expression levels are lower for genes in the vicinity of 59 of 84 (71%) miRNAs as compared to genes far from such miRNAs. Analysis of the genes with lower expression in proximity to the miRNAs reveals increased frequency matching of the 7 nucleotide "seed"s of these miRNAs. Conclusion: We found decreased messenger RNA (mRNA) abundance, localized within a 10 kb of chromosomal distance of some miRNAs, in C. elegans germline. The increased frequency of seed matching near miRNA can explain, in part, the localized effects.
Published Version: doi://10.1186/1471-2105-7-112
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1420334/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:8123179
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