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Global Gene Expression Analysis Using a Zebrafish Oligonucleotide Microarray Platform
Published on: August 10, 2009
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A systematic genome-wide analysis of zebrafish protein-coding gene function.
Ross N W Kettleborough1, Elisabeth M Busch-Nentwich, Steven A Harvey
1Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, UK.
Nature
|April 19, 2013
Summary
This study identifies disruptive mutations in over 38% of zebrafish protein-coding genes using high-throughput sequencing and chemical mutagenesis. Researchers developed a phenotyping scheme to assess gene function during embryogenesis, making all data publicly available.
Area of Science:
- Genomics
- Developmental Biology
- Genetics
Background:
- Discovering genes linked to human diseases is rapid, but their biological functions remain unclear.
- Investigating gene function in model organisms like zebrafish is crucial but limited by current gene study methods.
- Existing methods for studying gene function in zebrafish are not suitable for large-scale, high-throughput analysis.
Purpose of the Study:
- To identify and phenotype disruptive mutations in every zebrafish protein-coding gene.
- To establish a high-throughput method for assessing gene function and biological activity.
- To create a comprehensive resource of zebrafish gene mutations and phenotypic data for the scientific community.
Main Methods:
- Utilized a well-annotated zebrafish reference genome sequence.
- Employed high-throughput sequencing and efficient chemical mutagenesis for mutation identification.
- Developed and applied a multi-allelic phenotyping scheme to assess gene effects during embryogenesis.
Main Results:
- Identified potentially disruptive mutations in over 38% of all known zebrafish protein-coding genes.
- Analyzed the phenotypic consequences of over 1,000 mutant alleles.
- Established a publicly accessible database of mutant alleles and phenotypic data.
Conclusions:
- The project successfully generated and phenotyped a large number of zebrafish gene mutations.
- The developed phenotyping scheme is efficient and adaptable for broader phenotypic analysis.
- This resource significantly advances the understanding of vertebrate gene function and disease gene orthologues.
