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A reference cross DNA panel for zebrafish (Danio rerio) anchored with simple sequence length polymorphisms

E W Knapik1, A Goodman, O S Atkinson

  • 1Cardiovascular Research Center, Massachusetts General Hospital, Charlestown 02129, USA. knapik@helix.mgh.harvard.edu

Development (Cambridge, England)
|December 1, 1996
PubMed
Summary

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Researchers developed a zebrafish DNA reference panel to aid in gene cloning and mapping. This resource improves genetic mapping accuracy and supports physical map development for future genetic studies.

Area of Science:

  • Genetics and Genomics
  • Developmental Biology
  • Zebrafish Model Organisms

Background:

  • Gene cloning is crucial for understanding zebrafish mutations.
  • Current genetic infrastructure for positional cloning in zebrafish is underdeveloped.
  • Integrating disparate genetic maps presents significant challenges.

Purpose of the Study:

  • To establish a foundational resource for positional cloning in zebrafish.
  • To create a standardized reference cross DNA panel.
  • To facilitate accurate gene and genetic marker mapping.

Main Methods:

  • Developed a reference cross panel of 520 F2 zebrafish progeny (1040 meioses).
  • Anchored the DNA panel to a zebrafish genetic linkage map using 102 simple sequence length polymorphisms (SSLP).

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  • Utilized the panel for high-resolution genetic mapping (0.1 cM resolution).

    • Main Results:

    • Established a comprehensive DNA reference panel from a specific zebrafish cross.
    • Successfully anchored the panel to an existing genetic linkage map.
    • The panel enables precise mapping of polymorphic genes and markers.

    Conclusions:

    • The reference cross DNA panel provides a vital resource for zebrafish genetic research.
    • It serves as a foundation for developing a physical map.
    • This resource simplifies the integration of genetic data and avoids issues associated with combining different genetic maps.