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SDM6A: A Web-Based Integrative Machine-Learning Framework for Predicting 6mA Sites in the Rice Genome

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dc.contributor.authorBasith, S-
dc.contributor.authorManavalan, B-
dc.contributor.authorShin, TH-
dc.contributor.authorLee, G-
dc.date.accessioned2020-11-17T05:32:59Z-
dc.date.available2020-11-17T05:32:59Z-
dc.date.issued2019-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/19117-
dc.description.abstractDNA N(6)-adenine methylation (6mA) is an epigenetic modification in prokaryotes and eukaryotes. Identifying 6mA sites in rice genome is important in rice epigenetics and breeding, but non-random distribution and biological functions of these sites remain unclear. Several machine-learning tools can identify 6mA sites but show limited prediction accuracy, which limits their usability in epigenetic research. Here, we developed a novel computational predictor, called the Sequence-based DNA N(6)-methyladenine predictor (SDM6A), which is a two-layer ensemble approach for identifying 6mA sites in the rice genome. Unlike existing methods, which are based on single models with basic features, SDM6A explores various features, and five encoding methods were identified as appropriate for this problem. Subsequently, an optimal feature set was identified from encodings, and corresponding models were developed individually using support vector machine and extremely randomized tree. First, all five single models were integrated via ensemble approach to define the class for each classifier. Second, two classifiers were integrated to generate a final prediction. SDM6A achieved robust performance on cross-validation and independent evaluation, with average accuracy and Matthews correlation coefficient (MCC) of 88.2% and 0.764, respectively. Corresponding metrics were 4.7%-11.0% and 2.3%-5.5% higher than those of existing methods, respectively. A user-friendly, publicly accessible web server (http://thegleelab.org/SDM6A) was implemented to predict novel putative 6mA sites in rice genome.-
dc.language.isoen-
dc.titleSDM6A: A Web-Based Integrative Machine-Learning Framework for Predicting 6mA Sites in the Rice Genome-
dc.typeArticle-
dc.identifier.pmid31542696-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6796762/-
dc.subject.keywordDNA N(6)-adenine methylation-
dc.subject.keywordextremely randomized tree-
dc.subject.keywordmachine learning-
dc.subject.keywordrice genome-
dc.subject.keywordsupport vector machine-
dc.contributor.affiliatedAuthorBasith, Shaherin-
dc.contributor.affiliatedAuthorBalachandran, Manavalan-
dc.contributor.affiliatedAuthor신, 태환-
dc.contributor.affiliatedAuthor이, 광-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.omtn.2019.08.011-
dc.citation.titleMolecular therapy. Nucleic acids-
dc.citation.volume18-
dc.citation.date2019-
dc.citation.startPage131-
dc.citation.endPage141-
dc.identifier.bibliographicCitationMolecular therapy. Nucleic acids, 18. : 131-141, 2019-
dc.identifier.eissn2162-2531-
dc.relation.journalidJ021622531-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Physiology
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