CPAT: Coding-Potential Assessment Tool using an alignment-free logistic regression model

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ID: 291267
2013
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Abstract
Thousands of novel transcripts have been identified using deep transcriptome sequencing. This discovery of large and 'hidden' transcriptome rejuvenates the demand for methods that can rapidly distinguish between coding and noncoding RNA. Here, we present a novel alignment-free method, Coding Potential Assessment Tool (CPAT), which rapidly recognizes coding and noncoding transcripts from a large pool of candidates. To this end, CPAT uses a logistic regression model built with four sequence features: open reading frame size, open reading frame coverage, Fickett TESTCODE statistic and hexamer usage bias. CPAT software outperformed (sensitivity: 0.96, specificity: 0.97) other state-of-the-art alignment-based software such as Coding-Potential Calculator (sensitivity: 0.99, specificity: 0.74) and Phylo Codon Substitution Frequencies (sensitivity: 0.90, specificity: 0.63). In addition to high accuracy, CPAT is approximately four orders of magnitude faster than Coding-Potential Calculator and Phylo Codon Substitution Frequencies, enabling its users to process thousands of transcripts within seconds. The software accepts input sequences in either FASTA- or BED-formatted data files. We also developed a web interface for CPAT that allows users to submit sequences and receive the prediction results almost instantly.
Reference Key
openalex_W2048194168 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Liguo Wang, Hyun Jung Park, Surendra Dasari, Shengqin Wang, Jean‐Pierre Kocher, Wei Li
Journal Nucleic Acids Research
Year 2013
DOI
10.1093/nar/gkt006
URL
https://academic.oup.com/nar/article-pdf/41/6/e74/25339876/gkt006.pdf
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