Quality Assessment Tool for Genome Assemblies

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QUAST performs fast and convenient quality evaluation and comparison of genome assemblies.

QUAST computes a number of well-known metrics, including contig accuracy, number of genes discovered, N50, and others, as well as introducing new ones, like NA50 (see details in the paper andin the manual). A comprehensive analysis results in summary tables (in plain text, tab-separated and LaTeX formats) and colorful plots. The tool also produces web-based reports condensing all information in one easy to navigate file.

QUAST has an intuitive command-line interface and a detailed manual to help users run it and understand its output. Furthermore, the Lab started a Beta version of web-QUAST at http://quast.bioinf.spbau.ru/ which makes quality evaluation even more simple.

QUAST paper is available at Bioinformatics Advance Access http://bioinformatics.oxfordjournals.org/cgi/content/abstract/btt086?ijkey=Kzq9lhMayiqecq9&keytype=ref

QUAST Web Site


  • web-based reports, tables in plain txt, tab-separated and LaTeX formats
  • colorful plots and histograms
  • quality evaluation with and without a reference genome


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Additional Project Details

Intended Audience

Developers, End Users/Desktop, Science/Research

User Interface

Command-line, Web-based

Programming Language

JavaScript, Python


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