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AdvISER-PYRO: amplicon identification using SparsE representation of PYROsequencing signal

Research output: Contribution to journalA1: Peer-reviewed journal articlespeer-review

Abstract

Motivation: Converting a pyrosequencing signal into a nucleotide sequence appears highly challenging when signal intensities are low (unitary peak heights <5) or when complex signals are produced by several target amplicons. In these cases, the pyrosequencing software fails to provide correct nucleotide sequences. Accordingly, the objective was to develop the AdvISER-PYRO algorithm, performing an automated, fast and reliable analysis of pyrosequencing signals that circumvents those limitations.

Results: In the current mycobacterial amplicon genotyping application, AdvISER-PYRO performed much better than the pyrosequencing software in the following two situations: when converting Single Amplicon Sample (SAS) signals into a correct single sequence (97.2% versus 56.5%), and when translating Multiple Amplicon Sample (MAS) signals into the correct sequence pair (74.5%).
Original languageEnglish
JournalBioinformatics
Volume29
Issue number16
Pages (from-to)1963-1969
Number of pages7
ISSN1367-4803
DOIs
Publication statusPublished - 2013

Keywords

  • Bacterial diseases
  • Tuberculosis
  • Mycobacterium tuberculosis
  • Identification
  • Genotyping
  • DNA sequence analysis
  • Pyrosequencing
  • Nucleotide sequences
  • Software
  • Algorithms
  • Performance
  • Signals
  • Conversion
  • Laboratory techniques and procedures

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