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Public databases: retrieving and manipulating sequences for beginners.

Neil Woodford1

  • 1Antibiotic Resistance Monitoring and Reference Laboratory, Specialist and Reference Microbiology Division, Health Protection Agency-Colindale, London, UK.

Methods in Molecular Biology (Clifton, N.J.)
|May 19, 2004
PubMed
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This guide helps clinical bacteriologists navigate public DNA sequence databases like GenBank. It covers finding sequences, using BLAST for homology searches, and accessing microbial genome resources.

Area of Science:

  • Bioinformatics
  • Genomic Data Analysis
  • Molecular Biology

Background:

  • Clinical bacteriologists often require DNA sequence data for research and diagnostics.
  • Public databases like GenBank are essential resources for accessing genetic information.
  • Exploring these databases can be challenging for those without extensive bioinformatics experience.

Purpose of the Study:

  • To provide a foundational guide for clinical bacteriologists on utilizing public sequence databases.
  • To demystify the process of finding, retrieving, and analyzing DNA sequences.
  • To introduce essential bioinformatics tools and resources for microbial genomics.

Main Methods:

  • Outlining procedures for sequence retrieval from GenBank.
  • Explaining the application of Basic Local Alignment Search Tool (BLAST) for identifying homologous sequences.

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  • Reviewing resources for accessing microbial genomes.
  • Highlighting the utility of the Protein Data Bank.

    • Main Results:

    • Provides a clear pathway for accessing and interpreting DNA sequence data.
    • Enables identification of related genetic sequences through homology searches.
    • Offers resources for exploring comprehensive microbial genome information.
    • Recommends practical freeware and online tools for sequence analysis.

    Conclusions:

    • Empowers clinical bacteriologists to leverage public sequence databases effectively.
    • Facilitates the integration of genomic data into routine bacteriology practice.
    • Encourages further exploration of bioinformatics for advancing microbiological research.