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LDB2000: sequence-based integrated maps of the human genome.

X Ke1, W Tapper, A Collins

  • 1Human Genetics Research Division, University of Southampton, Duthie Building (Mailpoint 808), Southampton General Hospital, Tremona Road, Southampton SO16 6YD, UK.

Bioinformatics (Oxford, England)
|July 13, 2001
PubMed
Summary

We developed algorithms to create sequence-based integrated maps for human chromosomes, aiding gene mapping. These maps, available on the LDB2000 website, detail gene and marker locations, enhancing genomic research.

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Area of Science:

  • Genomics and Bioinformatics
  • Human Chromosome Mapping

Background:

  • Integrated maps are crucial for gene mapping and understanding recombination-sequence relationships.
  • Current gene mapping focuses on linkage disequilibrium, highlighting the need for extended integrated maps.

Purpose of the Study:

  • To describe algorithms and their implementation for constructing sequence-based integrated maps of human chromosomes.
  • To present these maps in LDB2000, a web-based resource for genomic research.

Main Methods:

  • Development and application of algorithms for sequence-based integrated map construction.
  • Integration of genetic linkage, radiation hybrid, and cytogenetic mapping data.
  • Inclusion of single nucleotide polymorphisms (SNPs) and their sequence locations.

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Main Results:

  • Completed sequence-based integrated maps for human chromosomes 21 and 22.
  • Maps provide precise locations for genes and polymorphic markers across multiple scales.
  • Included are SNPs associated with genes, with their sequence locations clearly indicated.

Conclusions:

  • Sequence-based integrated maps enhance the utility of genomic resources for gene mapping.
  • The LDB2000 resource provides valuable locus information, including aliases and expression data.
  • Further extension of these maps will support linkage disequilibrium mapping efforts.