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Construction and application of a zebrafish array comparative genomic hybridization platform.

The zebrafish is emerging as a prominent model system for studying the genetics of human development and disease. Genetic alterations that underlie each mutant model can exist in the form of single base changes, balanced chromosomal rearrangements, or genetic imbalances. To detect genetic imbalances in an unbiased genome-wide fashion, array comparative genomic hybridization (CGH) can be used. We have developed a 5-Mb resolution array CGH platform specifically for the zebrafish. This platform contains 286 bacterial artificial chromosome (BAC) clones, enriched for orthologous sequences of human oncogenes and tumor suppressor genes. Each BAC clone has been end-sequenced and cytogenetically assigned to a specific location within the zebrafish genome, allowing for ease of integration of array CGH data with the current version of the genome assembly. This platform has been applied to three zebrafish cancer models. Significant genomic imbalances were detected in each model, identifying different regions that may potentially play a role in tumorigenesis. Hence, this platform should be a useful resource for genetic dissection of additional zebrafish developmental and disease models as well as a benchmark for future array CGH platform development.

Pubmed ID: 18973135


  • Freeman JL
  • Ceol C
  • Feng H
  • Langenau DM
  • Belair C
  • Stern HM
  • Song A
  • Paw BH
  • Look AT
  • Zhou Y
  • Zon LI
  • Lee C


Genes, chromosomes & cancer

Publication Data

February 16, 2009

Associated Grants

  • Agency: NCI NIH HHS, Id: R01 CA111560
  • Agency: NCI NIH HHS, Id: R01 CA111560-05
  • Agency: NCI NIH HHS, Id: R01-CA111560
  • Agency: NHLBI NIH HHS, Id: T32 HL007627

Mesh Terms

  • Animals
  • Animals, Genetically Modified
  • Chromosomes, Artificial, Bacterial
  • Comparative Genomic Hybridization
  • Disease Models, Animal
  • Genes, Tumor Suppressor
  • Humans
  • In Situ Hybridization, Fluorescence
  • Melanoma
  • Oligonucleotide Array Sequence Analysis
  • Oncogenes
  • Precursor T-Cell Lymphoblastic Leukemia-Lymphoma
  • Reproducibility of Results
  • Rhabdomyosarcoma
  • Zebrafish