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Regulatory Sequence Analysis Tools (RSAT) offers updated programs for cis-regulatory element analysis in genomes. This 20-year update enhances motif discovery, variant analysis, and comparative genomics for researchers.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Computational Biology

Background:

  • The Regulatory Sequence Analysis Tools (RSAT) suite provides modular computational tools for analyzing cis-regulatory elements in genome sequences.
  • Its applications span motif discovery, scanning, analysis, regulatory variation assessment, and comparative genomics.

Observation:

  • RSAT supports over 10,000 genomes across all kingdoms via six public servers.
  • Six new or refactored programs have been added since 2015, including tools for regulatory variant analysis and sequence retrieval.
  • New tools facilitate sequence extraction from coordinates, motif selection from collections, and ortholog retrieval using Ensembl Compara.

Findings:

  • The update includes enhanced programs for analyzing regulatory variants (retrieve-variation-seq, variation-scan, convert-variations).
  • New functionalities allow sequence extraction from BED coordinates (retrieve-seq-bed) and motif selection (retrieve-matrix).
  • Ortholog retrieval is now supported via Ensembl Compara (get-orthologs-compara).

Implications:

  • RSAT's continuous development over 20 years provides a robust and evolving platform for genomic regulatory element analysis.
  • The expanded toolset and accessibility through multiple platforms (web, web services, VMs, stand-alone) benefit a wide range of researchers.
  • Integration of new tools enhances the suite's utility for complex genomic analyses, including motif discovery and variant interpretation.