A Definitive Haplotype Map as Determined by Genotyping Duplicated Haploid Genomes Finds a Predominant Haplotype Preference at Copy-Number Variation Events

Yoji Kukita, Koji Yahara, Tomoko Tahira, Koichiro Higasa, Miki Sonoda, Ken Yamamoto, Kiyoko Kato, Norio Wake, Kenshi Hayashi

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

The majority of complete hydatidiform moles (CHMs) harbor duplicated haploid genomes that originate from sperm. This makes CHMs more advantageous than conventional diploid cells for determining haplotypes of SNPs and copy-number variations (CNVs), because all of the genetic variants in a CHM genome are homozygous. Here we report SNP and CNV haplotype structures determined by analysis of 100 CHMs from Japanese subjects via high-density DNA arrays. The obtained haplotype map should be useful as a reference for the haplotype structure of Asian populations. We resolved common CNV regions (merged CNV segments across the examined samples) into CNV events (clusters of CNV segments) on the basis of mutual overlap and found that the haplotype backgrounds of different CNV events within the same CNV region were predominantly similar, perhaps because of inherent structural instability.

本文言語英語
ページ(範囲)918-928
ページ数11
ジャーナルAmerican journal of human genetics
86
6
DOI
出版ステータス出版済み - 7 11 2010

All Science Journal Classification (ASJC) codes

  • Genetics
  • Genetics(clinical)

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