Abstract
MicroRNA(miRNA) is a small, single stranded non-coding RNA which plays an important regulatory role in gene expression. Additionally, miRNAs perform crucial functions in a wide range of biological processes. These functions may be exploited for miRNA-mediated regulation of protein-protein interaction and thus protein function. Many computational methods have been developed to predict the miRNA targets and to explore the regulatory mechanism between miRNA and protein. However, the efforts to investigate important positions within miRNAs are not comprehensive. This paper presents a framework to identify important positions using collision entropy. The information of contained in the sequence and secondary structure of miRNAs is considered. Further, the single base collision entropy and the adjacent base related collision entropy are integrated to measure the importance of miRNA position. Two thresholds are employed to select those positions with more biological meaning. A dataset of Drosophila melanogaster is used in the experiments. The results demonstrate that our approach can find interesting and important positions within miRNAs and may lead to a better understanding of miRNA biogenesis and function.
Keywords: miRNA, collision entropy, secondary structure, position.
Current Protein & Peptide Science
Title:Identification of Important Positions within miRNAs by Integrating Sequential and Structural Features
Volume: 15 Issue: 6
Author(s): Wei Lan, Qingfeng Chen, Taoshen Li, Changan Yuan, Scott Mann and Baoshan Chen
Affiliation:
Keywords: miRNA, collision entropy, secondary structure, position.
Abstract: MicroRNA(miRNA) is a small, single stranded non-coding RNA which plays an important regulatory role in gene expression. Additionally, miRNAs perform crucial functions in a wide range of biological processes. These functions may be exploited for miRNA-mediated regulation of protein-protein interaction and thus protein function. Many computational methods have been developed to predict the miRNA targets and to explore the regulatory mechanism between miRNA and protein. However, the efforts to investigate important positions within miRNAs are not comprehensive. This paper presents a framework to identify important positions using collision entropy. The information of contained in the sequence and secondary structure of miRNAs is considered. Further, the single base collision entropy and the adjacent base related collision entropy are integrated to measure the importance of miRNA position. Two thresholds are employed to select those positions with more biological meaning. A dataset of Drosophila melanogaster is used in the experiments. The results demonstrate that our approach can find interesting and important positions within miRNAs and may lead to a better understanding of miRNA biogenesis and function.
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Cite this article as:
Lan Wei, Chen Qingfeng, Li Taoshen, Yuan Changan, Mann Scott and Chen Baoshan, Identification of Important Positions within miRNAs by Integrating Sequential and Structural Features, Current Protein & Peptide Science 2014; 15 (6) . https://dx.doi.org/10.2174/138920371506140818112552
DOI https://dx.doi.org/10.2174/138920371506140818112552 |
Print ISSN 1389-2037 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5550 |
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