M
Martin I. Sigurdsson
Researcher at University of Iceland
Publications - 122
Citations - 4543
Martin I. Sigurdsson is an academic researcher from University of Iceland. The author has contributed to research in topics: Medicine & Internal medicine. The author has an hindex of 21, co-authored 92 publications receiving 3669 citations. Previous affiliations of Martin I. Sigurdsson include Brigham and Women's Hospital & Duke University.
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Journal ArticleDOI
A community-driven global reconstruction of human metabolism
Ines Thiele,Neil Swainston,Ronan M. T. Fleming,Andreas Hoppe,Swagatika Sahoo,Maike K. Aurich,Hulda S. Haraldsdóttir,Monica L. Mo,Ottar Rolfsson,Miranda D. Stobbe,Miranda D. Stobbe,Stefan Gretar Thorleifsson,Rasmus Agren,Christian Bölling,Sergio Bordel,Arvind K. Chavali,Paul D. Dobson,Warwick B. Dunn,Warwick B. Dunn,Lukas Endler,David Hala,Michael Hucka,Duncan Hull,Daniel Jameson,Neema Jamshidi,Jon J. Jonsson,Nick Juty,Sarah M. Keating,Intawat Nookaew,Nicolas Le Novère,Nicolas Le Novère,Naglis Malys,Naglis Malys,Alexander Mazein,Jason A. Papin,Nathan D. Price,Evgeni Selkov,Martin I. Sigurdsson,Evangelos Simeonidis,Evangelos Simeonidis,Nikolaus Sonnenschein,Kieran Smallbone,Anatoly Sorokin,Anatoly Sorokin,Johannes H. G. M. van Beek,Dieter Weichart,Igor Goryanin,Jens Nielsen,Hans V. Westerhoff,Douglas B. Kell,Pedro Mendes,Pedro Mendes,Bernhard O. Palsson,Bernhard O. Palsson +53 more
TL;DR: Recon 2, a community-driven, consensus 'metabolic reconstruction', is described, which is the most comprehensive representation of human metabolism that is applicable to computational modeling and has improved topological and functional features.
Journal ArticleDOI
Humoral Immune Response to SARS-CoV-2 in Iceland.
Daniel F. Gudbjartsson,Gudmundur L. Norddahl,Páll Melsted,Kristbjorg Gunnarsdottir,Hilma Holm,Elias Eythorsson,Asgeir O. Arnthorsson,Dadi Helgason,Kristbjorg Bjarnadottir,Ragnar Freyr Ingvarsson,Brynja Thorsteinsdottir,Steinunn Kristjánsdóttir,Kolbrun Birgisdottir,Anna M. Kristinsdottir,Martin I. Sigurdsson,Gudny A. Arnadottir,Erna V. Ivarsdottir,Margret B. Andresdottir,Frosti Jonsson,Arna B Agustsdottir,Jonas Berglund,Berglind Eiriksdottir,Run Fridriksdottir,Elisabet E Gardarsdottir,Magnus Gottfredsson,Olafia S Gretarsdottir,Steinunn Gudmundsdottir,Kjartan R Gudmundsson,Thora R Gunnarsdottir,Arnaldur Gylfason,Agnar Helgason,Brynjar O. Jensson,Aslaug Jonasdottir,Hakon Jonsson,Thordur Kristjansson,Karl G. Kristinsson,Droplaug N Magnusdottir,Olafur T. Magnusson,Lovisa Bjork Olafsdottir,Solvi Rognvaldsson,Louise le Roux,Gudrun Sigmundsdottir,Asgeir Sigurdsson,Gardar Sveinbjornsson,Kristin E Sveinsdottir,Maney Sveinsdottir,Emil A Thorarensen,Bjarni Thorbjornsson,Marianna Thordardottir,Jona Saemundsdottir,S Hjortur Kristjansson,Kamilla S Josefsdottir,Gisli Masson,Gudmundur Georgsson,Mar Kristjansson,Alma D. Möller,Runolfur Palsson,Thorolfur Gudnason,Unnur Thorsteinsdottir,Ingileif Jonsdottir,Patrick Sulem,Kari Stefansson +61 more
TL;DR: The authors' results indicate that antiviral antibodies against SARS-CoV-2 did not decline within 4 months after diagnosis, and antiviral antibody titers assayed by two pan-Ig assays remained on a plateau for the remainder of the study.
Journal ArticleDOI
Intra-individual change over time in DNA methylation with familial clustering.
Hans T. Bjornsson,Martin I. Sigurdsson,M. Daniele Fallin,Rafael A. Irizarry,Thor Aspelund,Hengmi Cui,Wenqiang Yu,Michael Rongione,Tomas J. Ekström,Tamara B. Harris,Lenore J. Launer,Gudny Eiriksdottir,Mark Leppert,Carmen Sapienza,Vilmundur Gudnason,Andrew P. Feinberg +15 more
TL;DR: The data indicate that methylation changes over time and suggest thatmethylation maintenance may be under genetic control, and suggest the family-based Utah sample also showed intra-individual changesover time, and further demonstrated familial clustering of methylation change.
Journal ArticleDOI
A Polymorphism in IRF4 Affects Human Pigmentation through a Tyrosinase-Dependent MITF/TFAP2A Pathway
Christian Praetorius,Christine Grill,Simon N. Stacey,Alexander M. Metcalf,David U. Gorkin,Kathleen C. Robinson,Eric Van Otterloo,Reuben S.Q. Kim,Kristin Bergsteinsdottir,Margret H. Ogmundsdottir,Erna Magnúsdóttir,Pravin J. Mishra,Sean Davis,Theresa Guo,M. Raza Zaidi,Agnar Helgason,Martin I. Sigurdsson,Paul S. Meltzer,Glenn Merlino,Valérie Petit,Lionel Larue,Stacie K. Loftus,David R. Adams,Ulduz Sobhiafshar,N. C. Tolga Emre,William J. Pavan,Robert A. Cornell,Aaron G. Smith,Andrew S. McCallion,David E. Fisher,Kari Stefansson,Richard A. Sturm,Eiríkur Steingrímsson +32 more
TL;DR: A SNP within an intron of the gene encoding Interferon Regulatory Factor 4, a transcription factor with no known role in melanocyte biology, is demonstrated to lie within an enhancer of IRF4 transcription in melanocytes, providing a clear example of a noncoding polymorphism that affects a phenotype by modulating a developmental gene regulatory network.
Journal ArticleDOI
A detailed genome-wide reconstruction of mouse metabolism based on human Recon 1
Martin I. Sigurdsson,Neema Jamshidi,Eiríkur Steingrímsson,Ines Thiele,Bernhard O. Palsson,Bernhard O. Palsson +5 more
TL;DR: A high-quality mouse genome-scale metabolic reconstruction, iMM1415 (Mus Musculus, 1415 genes), is created and it is demonstrated that the mouse model can be used to perform phenotype simulations, similar to models of microbe metabolism.