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Chromosomal assignment of chicken clone contigs by extending the consensus linkage map
J A Aerts1, T Veenendaal, J J van der Poel
1Division of Genetics and Genomics, Bioinformatics Group, Roslin Institute, Roslin, Midlothian, UK. jan.aerts@bbsrc.ac.uk
Animal Genetics
|June 4, 2005
Summary
This study mapped single nucleotide polymorphism markers to chicken genetic maps, improving the chromosomal location of bacterial artificial chromosome clones. This enhances the chicken physical map for genomic research and applications.
Area of Science:
- Genomics
- Comparative Genomics
- Chicken Genetics
Background:
- Bacterial artificial chromosome (BAC) physical maps are crucial for integrating chicken genetic and genomic data.
- Existing maps have unassigned or ambiguously assigned clone contigs, limiting their utility.
- BAC clones are valuable for techniques like fluorescent in situ hybridization and positional cloning.
Purpose of the Study:
- To improve the chromosomal assignment of BAC clones within the chicken genome.
- To enhance the chicken physical map by anchoring unassigned contigs.
- To provide a more robust resource for chicken genetic and genomic studies.
Main Methods:
- Mapping 86 single nucleotide polymorphism (SNP) markers derived from 86 BAC clones onto the chicken genetic map.
- Utilizing SNP markers to anchor BAC contigs and individual clones to specific chromosomal locations.
Main Results:
- Anchoring information was added for 56 BAC clone contigs and 13 individual clones.
- The study covered a substantial portion of the chicken genome, involving 57,145 BAC clones.
- Improved chromosomal assignments for numerous BAC clones were achieved.
Conclusions:
- The SNP mapping approach effectively refined the chicken physical map.
- Enhanced clone contig assignments facilitate further genomic research and applications in chicken.
- This work provides a valuable resource for future chicken genome assembly and analysis.