O
Olafur Th Magnusson
Researcher at Amgen
Publications - 31
Citations - 2995
Olafur Th Magnusson is an academic researcher from Amgen. The author has contributed to research in topics: Population & Allele frequency. The author has an hindex of 21, co-authored 30 publications receiving 2346 citations.
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Journal ArticleDOI
Large-scale whole-genome sequencing of the Icelandic population
Daniel F. Gudbjartsson,Hannes Helgason,Sigurjon A. Gudjonsson,Florian Zink,Asmundur Oddson,Arnaldur Gylfason,Søren Besenbacher,Gisli Magnusson,Bjarni V. Halldorsson,Eirikur Hjartarson,Gunnar Th. Sigurdsson,Simon N. Stacey,Michael L. Frigge,Hilma Holm,Jona Saemundsdottir,Hafdis T. Helgadottir,Hrefna Johannsdottir,Gunnlaugur Sigfússon,Gudmundur Thorgeirsson,Jon Th. Sverrisson,Solveig Gretarsdottir,G. Bragi Walters,Thorunn Rafnar,Bjarni Thjodleifsson,Einar Björnsson,Sigurdur Olafsson,Hildur Thorarinsdottir,Thora Steingrimsdottir,Thora S. Gudmundsdottir,Ásgeir Theodórs,Jon G. Jonasson,Asgeir Sigurdsson,Gyda Bjornsdottir,Jon J. Jonsson,Ólafur Thorarensen,Petur Ludvigsson,Hakon Gudbjartsson,Gudmundur I. Eyjolfsson,Olof Sigurdardottir,Isleifur Olafsson,David O. Arnar,Olafur Th Magnusson,Augustine Kong,Gisli Masson,Unnur Thorsteinsdottir,Agnar Helgason,Patrick Sulem,Kari Stefansson +47 more
TL;DR: The insights gained from sequencing the whole genomes of Icelanders to a median depth of 20× provide a study design that can be used to determine how variation in the sequence of the human genome gives rise to human diversity.
Journal ArticleDOI
Parental influence on human germline de novo mutations in 1,548 trios from Iceland
Hakon Jonsson,Patrick Sulem,Birte Kehr,Snaedis Kristmundsdottir,Florian Zink,Eirikur Hjartarson,Marteinn T. Hardarson,Kristjan E. Hjorleifsson,Hannes P. Eggertsson,Sigurjon A. Gudjonsson,Lucas D. Ward,Gudny A. Arnadottir,Einar A. Helgason,Hannes Helgason,Arnaldur Gylfason,Adalbjorg Jonasdottir,Aslaug Jonasdottir,Thorunn Rafnar,Mike Frigge,Simon N. Stacey,Olafur Th Magnusson,Unnur Thorsteinsdottir,Unnur Thorsteinsdottir,Gisli Masson,Augustine Kong,Augustine Kong,Bjarni V. Halldorsson,Bjarni V. Halldorsson,Agnar Helgason,Agnar Helgason,Daniel F. Gudbjartsson,Daniel F. Gudbjartsson,Kari Stefansson,Kari Stefansson +33 more
TL;DR: Increased sequence diversity and linkage disequilibrium of C>G variants within regions affected by excess maternal mutations indicate that the underlying mutational process has persisted in humans for thousands of years.
Journal ArticleDOI
Identification of low-frequency and rare sequence variants associated with elevated or reduced risk of type 2 diabetes
Valgerdur Steinthorsdottir,Gudmar Thorleifsson,Patrick Sulem,Hannes Helgason,Niels Grarup,Asgeir Sigurdsson,Hafdis T. Helgadottir,Hrefna Johannsdottir,Olafur Th Magnusson,Sigurjon A. Gudjonsson,Johanne Marie Justesen,Marie Neergaard Harder,Marit E. Jørgensen,Cramer Christensen,Ivan Brandslund,Annelli Sandbæk,Torsten Lauritzen,Henrik Vestergaard,Allan Linneberg,Torben Jørgensen,Torben Jørgensen,Torben Jørgensen,Torben Hansen,Maryam S. Daneshpour,Mohammad-Sadegh Fallah,Astradur B. Hreidarsson,Gunnar Sigurdsson,Fereidoun Azizi,Rafn Benediktsson,Gisli Masson,Agnar Helgason,Augustine Kong,Daniel F. Gudbjartsson,Oluf Pedersen,Unnur Thorsteinsdottir,Kari Stefansson +35 more
TL;DR: Through whole-genome sequencing of 2,630 Icelanders and imputation into 11,114 Icelandic cases and 267,140 controls followed by testing in Danish and Iranian samples, 4 previously unreported variants affecting risk of type 2 diabetes (T2D) are discovered.
Journal ArticleDOI
Identification of a large set of rare complete human knockouts
Patrick Sulem,Hannes Helgason,Asmundur Oddson,Hreinn Stefansson,Sigurjon A. Gudjonsson,Florian Zink,Eirikur Hjartarson,Gunnar Th. Sigurdsson,Adalbjorg Jonasdottir,Aslaug Jonasdottir,Asgeir Sigurdsson,Olafur Th Magnusson,Augustine Kong,Agnar Helgason,Hilma Holm,Unnur Thorsteinsdottir,Gisli Masson,Daniel F. Gudbjartsson,Kari Stefansson +18 more
TL;DR: This work sequenced the whole genomes of 2,636 Icelanders and imputed the sequence variants identified in this set into 101,584 additional chip-genotyped and phased Icelanders to create a catalog of autosomal genes that are completely knocked out in humans by rare loss-of-function mutations.
Journal ArticleDOI
Physical and neurobehavioral determinants of reproductive onset and success
Felix R. Day,Hannes Helgason,Hannes Helgason,Daniel I. Chasman,Daniel I. Chasman,Lynda M. Rose,Po-Ru Loh,Po-Ru Loh,Robert A. Scott,Agnar Helgason,Agnar Helgason,Augustine Kong,Augustine Kong,Gisli Masson,Olafur Th Magnusson,Daniel F. Gudbjartsson,Daniel F. Gudbjartsson,Unnur Thorsteinsdottir,Unnur Thorsteinsdottir,Julie E. Buring,Julie E. Buring,Paul M. Ridker,Paul M. Ridker,Patrick Sulem,Kari Stefansson,Kari Stefansson,Ken K. Ong,John R. B. Perry +27 more
TL;DR: The ages of puberty, first sexual intercourse and first birth signify the onset of reproductive ability, behavior and success, respectively and Mendelian randomization analyses infer causal influences of earlier puberty timing on earlier firstSexual intercourse, earlier first birth and lower educational attainment.