CsDMA: an Improved Bioinformatics Tool for Identifying DNA 6 mA Modifications Via Chou's 5-step Rule

Overview

Journal Sci Rep

Specialty Science

Date 2019 Sep 13

PMID 31511570

Citations 10

Authors

Ze Liu

Wei Dong

Wei Jiang

Zili He

Affiliations

Soon will be listed here.

Abstract

DNA N-methyldeoxyadenosine (6 mA) modifications were first found more than 60 years ago but were thought to be only widespread in prokaryotes and unicellular eukaryotes. With the development of high-throughput sequencing technology, 6 mA modifications were found in different multicellular eukaryotes by using experimental methods. However, the experimental methods were time-consuming and costly, which makes it is very necessary to develop computational methods instead. In this study, a machine learning-based prediction tool, named csDMA, was developed for predicting 6 mA modifications. Firstly, three feature encoding schemes, Motif, Kmer, and Binary, were used to generate the feature matrix. Secondly, different algorithms were selected into the prediction model and the ExtraTrees model received the best AUC of 0.878 by using 5-fold cross-validation on the training dataset. Besides, the ExtraTrees model also received the best AUC of 0.893 on the independent testing dataset. Finally, we compared our method with state-of-the-art predictors and the results shown that our model achieved better performance than existing tools.

Citing Articles

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