Common and low-frequency variants associated with genome-wide recombination rate  

Oleh:

Kong, Augustine ; Thorleifsson, Gudmar ; Frigge, Michael L

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Nature Genetics vol. 46 no. 01 (Jan. 2014), page 11-16.
Topik: Genetic combination

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Perpustakaan FK Nomor Panggil: N12.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Meiotic recombination contributes to genetic diversity by yielding new combinations of alleles. Individuals vary with respect to the genome-wide recombination counts in their gametes. Exploiting data resources in Iceland, we compiled a data set consisting of 35,927 distinct parents and 71,929 parent-offspring pairs. Within this data set, we called over 2.2 million recombination events and imputed variants with sequence-level resolution from 2,261 whole genome–sequenced individuals into the parents to search for variants influencing recombination rate. We identified 13 variants in 8 regions that are associated with genome-wide recombination rate, 8 of which were previously unknown. Three of these variants associate with male recombination rate only, seven variants associate with female recombination rate only and three variants affect both. Two are low-frequency variants with large effects, one of which is estimated to increase the male and female genetic maps by 111 and 416 cM, respectively. This variant, located in an intron, would not be found by exome sequencing.

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