Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/75842
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Type: | Journal article |
Title: | Identification and comparative analysis of ncRNAs in human, mouse and zebrafish indicate a conserved role in regulation of genes expressed in brain |
Author: | Qu, Z. Adelson, D. |
Citation: | PLoS One, 2012; 7(12):1-14 |
Publisher: | Public Library of Science |
Issue Date: | 2012 |
ISSN: | 1932-6203 1932-6203 |
Editor: | Mariño-Ramírez, L. |
Statement of Responsibility: | Zhipeng Qu and David L. Adelson |
Abstract: | ncRNAs(non-coding RNAs), in particular long ncRNAs, represent a significant proportion of the vertebrate transcriptome and probably regulate many biological processes. We used publically available ESTs(Expressed Sequence Tags) from human, mouse and zebrafish and a previously published analysis pipeline to annotate and analyze the vertebrate nonprotein-coding transcriptome. Comparative analysis confirmed some previously described features of intergenic ncRNAs, such as a positionally biased distribution with respect to regulatory or development related protein-coding genes, and weak but clear sequence conservation across species. Significantly, comparative analysis of developmental and regulatory genes proximate to long ncRNAs indicated that the only conserved relationship of these genes to neighbor long ncRNAs was with respect to genes expressed in human brain, suggesting a conserved, ncRNA cis-regulatory network in vertebrate nervous system development. Most of the relationships between long ncRNAs and proximate coding genes were not conserved, providing evidence for the rapid evolution of species-specific gene associated long ncRNAs. We have reconstructed and annotated over 130,000 long ncRNAs in these three species, providing a significantly expanded number of candidates for functional testing by the research community. |
Keywords: | Brain Animals Zebrafish Humans Mice RNA, Untranslated Gene Expression Regulation Conserved Sequence |
Rights: | Copyright: © 2012 Qu, Adelson. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
DOI: | 10.1371/journal.pone.0052275 |
Published version: | http://dx.doi.org/10.1371/journal.pone.0052275 |
Appears in Collections: | Aurora harvest 4 Environment Institute publications Molecular and Biomedical Science publications |
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hdl_75842.pdf | Published version | 920.58 kB | Adobe PDF | View/Open |
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