期刊
HUMAN MUTATION
卷 17, 期 6, 页码 511-519出版社
WILEY
DOI: 10.1002/humu.1134
关键词
factor IX; F9; insertion; retrotransposition; mutation rate; germline; genome; evolution; homology; LINE1
资金
- NHLBI NIH HHS [HL39762] Funding Source: Medline
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [R01HL039762] Funding Source: NIH RePORTER
Two germline retrotransposition mutations of recent origin were observed in 727 independent mutations (0.28%) in the human factor IX gene (F9) of patients with hemophilia B: 1) a 279 bp insertion in exon H originating from an Alu family of short interspersed elements not previously known to be active and, 2) a 463 bp insertion in exon E of a LINE1 element originating in the maternal grandmother. If the rates of recent germline mutation in F9 are typical of the genome, a retrotransposition event is estimated to occur somewhere in the genome of about one in every 17 children born. Analysis of other estimates for retrotransposition frequency and overall mutation rates suggests that the actual rate of retrotransposition is likely to be in the range of one in every 2.4 to 28 live births. Hum Mutat 17:511-519, 2001, (C) 2001 Wiley-Liss, Inc.
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