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Related Concept Videos

Conserved Binding Sites01:49

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PhastWeb: a web interface for evolutionary conservation scoring of multiple sequence alignments using phastCons and

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    A new web interface, phastWeb, offers access to popular Phylogenetic Analysis with Space/Time models (PHAST) tools, phastCons and phyloP, for comparative genomics. This simplifies analyzing sequence alignments and conservation scores without software installation.

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    Area of Science:

    • Comparative genomics
    • Bioinformatics
    • Computational biology

    Background:

    • The Phylogenetic Analysis with Space/Time models (PHAST) package is a foundational tool for comparative genomics, available since 2002.
    • Utilizing PHAST's core programs, phastCons and phyloP, traditionally requires software installation, posing a barrier for some researchers.

    Purpose of the Study:

    • To introduce phastWeb, a web interface simplifying access to key PHAST package functionalities.
    • To enable users to perform comparative genomic analyses, including conservation scoring, without local software installation.

    Main Methods:

    • Development of a web interface (phastWeb) for the PHAST package.
    • Users upload sequence alignments and phylogenies (or have them estimated).
    • Analysis of alignments and visualization of conservation scores using genome browser tracks.

    Main Results:

    • phastWeb provides accessible execution of phastCons and phyloP.
    • Users can visualize conservation scores and alignments directly through the web interface.
    • Estimated tree models and raw scores are downloadable for further in-depth analysis.

    Conclusions:

    • phastWeb significantly lowers the barrier to entry for utilizing powerful PHAST comparative genomics tools.
    • This resource democratizes access to advanced phylogenetic analysis for a wider scientific audience.
    • The web interface facilitates convenient analysis and visualization of genomic conservation.