TRAL: tandem repeat annotation library

Elke Schaper; Alexander Korsunsky; Jūlija Pečerska; Antonio Messina; Riccardo Murri; Heinz Stockinger; Stefan Zoller; Ioannis Xenarios; Maria Anisimova

doi:10.1093/bioinformatics/btv306

TRAL: tandem repeat annotation library

Bioinformatics. 2015 Sep 15;31(18):3051-3. doi: 10.1093/bioinformatics/btv306. Epub 2015 May 18.

Authors

Elke Schaper¹, Alexander Korsunsky², Jūlija Pečerska¹, Antonio Messina², Riccardo Murri², Heinz Stockinger², Stefan Zoller³, Ioannis Xenarios³, Maria Anisimova³

Affiliations

¹ Vital-IT group, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, Department of Computer Science, ETH Zürich, 8092 Zürich, Switzerland, Graz University of Technology, Institute of Molecular Biotechnology, 8010 Graz, Austria, Department of Biosystems Science and Engineering, ETH Zürich, 4058 Basel, Switzerland, Services and Support for Science IT, University of Zürich, 8057 Zürich, Switzerland and Institute of Applied Simulations, School of Life Sciences und Facility Management, Zürich University of Applied Sciences, 8820 Wädenswil, Switzerland Vital-IT group, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, Department of Computer Science, ETH Zürich, 8092 Zürich, Switzerland, Graz University of Technology, Institute of Molecular Biotechnology, 8010 Graz, Austria, Department of Biosystems Science and Engineering, ETH Zürich, 4058 Basel, Switzerland, Services and Support for Science IT, University of Zürich, 8057 Zürich, Switzerland and Institute of Applied Simulations, School of Life Sciences und Facility Management, Zürich University of Applied Sciences, 8820 Wädenswil, Switzerland Vital-IT group, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, Department of Computer Science, ETH Zürich, 8092 Zürich, Switzerland, Graz University of Technology, Institute of Molecular Biotechnology, 8010 Graz, Austria, Department of Biosystems Science and Engineering, ETH Zürich, 4058 Basel, Switzerland, Services and Support for Science IT, University of Zürich, 8057 Zürich, Switzerland and Institute of Applied Simulations, School of Life Sciences und Facility Management, Zürich University of Applied Sciences, 8820 Wäde
² Vital-IT group, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, Department of Computer Science, ETH Zürich, 8092 Zürich, Switzerland, Graz University of Technology, Institute of Molecular Biotechnology, 8010 Graz, Austria, Department of Biosystems Science and Engineering, ETH Zürich, 4058 Basel, Switzerland, Services and Support for Science IT, University of Zürich, 8057 Zürich, Switzerland and Institute of Applied Simulations, School of Life Sciences und Facility Management, Zürich University of Applied Sciences, 8820 Wädenswil, Switzerland.
³ Vital-IT group, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, Department of Computer Science, ETH Zürich, 8092 Zürich, Switzerland, Graz University of Technology, Institute of Molecular Biotechnology, 8010 Graz, Austria, Department of Biosystems Science and Engineering, ETH Zürich, 4058 Basel, Switzerland, Services and Support for Science IT, University of Zürich, 8057 Zürich, Switzerland and Institute of Applied Simulations, School of Life Sciences und Facility Management, Zürich University of Applied Sciences, 8820 Wädenswil, Switzerland Vital-IT group, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, SIB Swiss Institute of Bioinformatics, Quartier Sorge, 1015 Lausanne, Switzerland, Department of Computer Science, ETH Zürich, 8092 Zürich, Switzerland, Graz University of Technology, Institute of Molecular Biotechnology, 8010 Graz, Austria, Department of Biosystems Science and Engineering, ETH Zürich, 4058 Basel, Switzerland, Services and Support for Science IT, University of Zürich, 8057 Zürich, Switzerland and Institute of Applied Simulations, School of Life Sciences und Facility Management, Zürich University of Applied Sciences, 8820 Wädenswil, Switzerland.

PMID: 25987568
DOI: 10.1093/bioinformatics/btv306

Abstract

Motivation: Currently, more than 40 sequence tandem repeat detectors are published, providing heterogeneous, partly complementary, partly conflicting results.

Results: We present TRAL, a tandem repeat annotation library that allows running and parsing of various detection outputs, clustering of redundant or overlapping annotations, several statistical frameworks for filtering false positive annotations, and importantly a tandem repeat annotation and refinement module based on circular profile hidden Markov models (cpHMMs). Using TRAL, we evaluated the performance of a multi-step tandem repeat annotation workflow on 547 085 sequences in UniProtKB/Swiss-Prot. The researcher can use these results to predict run-times for specific datasets, and to choose annotation complexity accordingly.

Availability and implementation: TRAL is an open-source Python 3 library and is available, together with documentation and tutorials via http://www.vital-it.ch/software/tral.

Contact: elke.schaper@isb-sib.ch.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Amino Acid Sequence
Cluster Analysis
Databases, Protein*
Documentation
Gene Library
Humans
Knowledge Bases*
Molecular Sequence Annotation*
Molecular Sequence Data
Software*
Tandem Repeat Sequences / genetics*