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PHAge Search Tool - Enhanced Release PHASTER


A significant upgrade to the popular PHAST web server for the rapid identification and annotation of prophage sequences within bacterial genomes and plasmids. While the steps in the phage identification pipeline in PHASTER remain largely the same as in the original PHAST, numerous software improvements and significant hardware enhancements have now made PHASTER faster, more efficient, more visually appealing and much more user friendly. PHASTER can now process a typical bacterial genome in 3 min from the raw sequence alone, or in 1.5 min when given a pre-annotated GenBank file.

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3 user reviews

3 user reviews

Phillip Taylor's avatar image Phillip Taylor's country flag

Phillip Taylor


Juraj Bugala's avatar image Juraj Bugala's country flag

Juraj Bugala

easy to use, can work with accession numbers, nice result charts and graphic, you can download the result
in 1 case there was 9 prophage regions in summary mode and 30 phages in genome viewer mode for the same sequence. cant figure out why

Vijay Lakhujani's avatar image Vijay Lakhujani's country flag

Vijay Lakhujani

I found Phaster very useful for my recent project. It's fast, comprehensive and user friendly. Reports are nicely generated and easily downloadable.

Suggestion: It would be great to implement a feature to provide circular genome visualization as you provide for linear view.

Thanks & Regards
Vijay Lakhujani


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PHASTER classification

  • Eubacteria

PHASTER specifications

Web user interface
Input data:
Nucleotide sequence data or an annotated genome data
Programming languages:
Restrictions to use:
Input format:
FASTA or GenBank
Computer skills:

PHASTER support


  • David Wishart <>


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Department of Computing Science, Edmonton, Canada; Department of Biological Sciences, University of Alberta, Edmonton, Canada; National Institute for Nanotechnology, Edmonton, Canada

Funding source(s)

Canadian Institutes of Health Research (CIHR); Genome Alberta, a division of Genome Canada

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