RNA sequence analysis using covariance models

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ID: 303729
1994
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Abstract
We describe a general approach to several RNA sequence analysis problems using probabilistic models that flexibly describe the secondary structure and primary sequence consensus of an RNA sequence family. We call these models ‘covariance models’. A covariance model of tRNA sequences is an extremely sensitive and discriminative tool for searching for additional tRNAs and tRNA-related sequences in sequence databases. A model can be built automatically from an existing sequence alignment. We also describe an algorithm for learning a model and hence a consensus secondary structure from initially unaligned example sequences and no prior structural information. Models trained on unaligned tRNA examples correctly predict tRNA scondary structure and produce high-quality multiple alignments. The approach may be applied to any family of small RNA sequences.
Reference Key
openalex_W2011368877 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sean R. Eddy, Richard Durbin
Journal Nucleic Acids Research
Year 1994
DOI
10.1093/nar/22.11.2079
URL
https://doi.org/10.1093/nar/22.11.2079
Keywords Keywords not found

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