A high-resolution recombination map of the human genome - PubMed (original) (raw)
Comparative Study
doi: 10.1038/ng917. Epub 2002 Jun 10.
Daniel F Gudbjartsson, Jesus Sainz, Gudrun M Jonsdottir, Sigurjon A Gudjonsson, Bjorgvin Richardsson, Sigrun Sigurdardottir, John Barnard, Bjorn Hallbeck, Gisli Masson, Adam Shlien, Stefan T Palsson, Michael L Frigge, Thorgeir E Thorgeirsson, Jeffrey R Gulcher, Kari Stefansson
Affiliations
- PMID: 12053178
- DOI: 10.1038/ng917
Comparative Study
A high-resolution recombination map of the human genome
Augustine Kong et al. Nat Genet. 2002 Jul.
Abstract
Determination of recombination rates across the human genome has been constrained by the limited resolution and accuracy of existing genetic maps and the draft genome sequence. We have genotyped 5,136 microsatellite markers for 146 families, with a total of 1,257 meiotic events, to build a high-resolution genetic map meant to: (i) improve the genetic order of polymorphic markers; (ii) improve the precision of estimates of genetic distances; (iii) correct portions of the sequence assembly and SNP map of the human genome; and (iv) build a map of recombination rates. Recombination rates are significantly correlated with both cytogenetic structures (staining intensity of G bands) and sequence (GC content, CpG motifs and poly(A)/poly(T) stretches). Maternal and paternal chromosomes show many differences in locations of recombination maxima. We detected systematic differences in recombination rates between mothers and between gametes from the same mother, suggesting that there is some underlying component determined by both genetic and environmental factors that affects maternal recombination rates.
Comment in
- The Iceland map.
Weber JL. Weber JL. Nat Genet. 2002 Jul;31(3):225-6. doi: 10.1038/ng920. Epub 2002 Jun 10. Nat Genet. 2002. PMID: 12053179 No abstract available.
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