The CRISPRdb database and tools to display CRISPRs and to generate dictionaries of spacers and repeats
2007

CRISPRdb: A Database for CRISPRs

Sample size: 475 publication Evidence: moderate

Author Information

Author(s): Ibtissem Grissa, Gilles Vergnaud, Christine Pourcel

Primary Institution: Univ Paris-Sud, Institut de Génétique et Microbiologie

Hypothesis

The study aims to develop a database and tools for identifying and analyzing CRISPR sequences in prokaryotic genomes.

Conclusion

The CRISPRdb database will facilitate the understanding of CRISPR structure and evolution by providing a regularly updated resource for researchers.

Supporting Evidence

  • CRISPRdb has identified almost six hundred CRISPRs in 475 published genomes.
  • The database is automatically updated monthly with new genome sequences.
  • CRISPRFinder outperforms other tools in detecting CRISPRs and defining their boundaries.

Takeaway

Scientists created a special database to help find and study tiny DNA sequences called CRISPRs that help bacteria fight off viruses.

Methodology

The study developed a program called CRISPRFinder to identify CRISPRs and extract sequences, and created a database that is updated monthly with new genome sequences.

Limitations

The database may contain questionable CRISPR structures and relies on the accuracy of the genome sequences processed.

Digital Object Identifier (DOI)

10.1186/1471-2105-8-172

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