AptaMat: a matrix-based algorithm to compare single-stranded oligonucleotides secondary structures

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Abstract

Motivation: Comparing single-stranded nucleic acids (ssNAs) secondary structures is fundamental when investigating their function and evolution and predicting the effect of mutations on their structures. Many comparison metrics exist, although they are either too elaborate or not sensitive enough to distinguish close ssNAs structures. Results: In this context, we developed AptaMat, a simple and sensitive algorithm for ssNAs secondary structures comparison based on matrices representing the ssNAs secondary structures and a metric built upon the Manhattan distance in the plane. We applied AptaMat to several examples and compared the results to those obtained by the most frequently used metrics, namely the Hamming distance and the RNAdistance, and by a recently developed image-based approach. We showed that AptaMat is able to discriminate between similar sequences, outperforming all the other here considered metrics. In addition, we showed that AptaMat was able to correctly classify 14 RFAM families within a clustering procedure.

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APA

Binet, T., Avalle, B., Felipe, M. D., & Maffucci, I. (2023). AptaMat: a matrix-based algorithm to compare single-stranded oligonucleotides secondary structures. Bioinformatics, 39(1). https://doi.org/10.1093/bioinformatics/btac752

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