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Related Experiment Videos

The genome structure of Pseudomonas putida: high-resolution mapping and microarray analysis.

Diana Stjepandić1, Christian Weinel, Helmut Hilbert

  • 1Functional Genome Analysis, Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 506, D-69120 Heidelberg, Germany. d.stjepandic@dkz.de

Environmental Microbiology
|January 22, 2003
PubMed
Summary

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Researchers created a physical map of the Pseudomonas putida KT2440 genome using cosmid libraries and sequencing. This map ensures accurate genome assembly and aids in creating DNA microarrays for comprehensive analysis.

Area of Science:

  • Microbiology
  • Genomics
  • Molecular Biology

Background:

  • Pseudomonas putida strain KT2440 is a model organism for microbial research.
  • Comprehensive genomic analysis requires a well-defined physical map.
  • Previous studies have focused on specific genes, but a complete genome-wide approach is needed.

Purpose of the Study:

  • To construct a high-resolution physical clone map of the Pseudomonas putida KT2440 genome.
  • To provide a foundational resource for whole-genome sequencing and functional analysis.
  • To ensure the co-linearity and accuracy of the final genome sequence assembly.

Main Methods:

  • Construction and arraying of a high-coverage cosmid library.
  • Clone ordering using hybridization techniques with specific probes (rrn operon, 23S rDNA).

Related Experiment Videos

  • End-sequencing of cosmid clones and integration with macro-restriction mapping data.

    • Main Results:

    • A physical clone map of the Pseudomonas putida KT2440 genome was successfully generated.
    • Information from clone order, sequence data, and macro-restriction maps was merged.
    • A tiling path of clones was selected for DNA microarray production, covering the entire genome.

    Conclusions:

    • The developed physical map is crucial for accurate Pseudomonas putida KT2440 genome sequencing.
    • The map facilitates the creation of comprehensive DNA microarrays for functional genomics.
    • This resource enables a deeper understanding of Pseudomonas putida KT2440's biology.