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Data Summary

Genomes analysed CRISPRs found (*)
Archea 232 870(202)
Bacteria 6782 8069(3059)
Total 7014 8939(3261)

*number of convincing CRISPR structures (number of genomes with such CRISPR)

Database status:
Last update : 2017-05-09

Christine POURCEL

Please note that starting from december 2016 the identifier of strains imported in CRISPRdb contains the RefSeq assembly accession as defined by NCBI ( The RefSeq assembly accession (GCF_***) allows to better differentiate strains within each species. More information on strains can be found at NCBI.

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