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The sequencing and interpretation of the genome obtained from a Serbian individual

Robinson-Rechavi, Marc, Mohammed Ismail, Wazim, Pagel, Kymberleigh A., Pejaver, Vikas, Zhang, Simo V., Casasa, Sofia, Mort, Matthew, Cooper, David ORCID:, Hahn, Matthew W. and Radivojac, Predrag 2018. The sequencing and interpretation of the genome obtained from a Serbian individual. PLoS ONE 13 (12) , e0208901. 10.1371/journal.pone.0208901

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Recent genetic studies and whole-genome sequencing projects have greatly improved our understanding of human variation and clinically actionable genetic information. Smaller ethnic populations, however, remain underrepresented in both individual and large-scale sequencing efforts and hence present an opportunity to discover new variants of biomedical and demographic significance. This report describes the sequencing and analysis of a genome obtained from an individual of Serbian origin, introducing tens of thousands of previously unknown variants to the currently available pool. Ancestry analysis places this individual in close proximity to Central and Eastern European populations; i.e., closest to Croatian, Bulgarian and Hungarian individuals and, in terms of other Europeans, furthest from Ashkenazi Jewish, Spanish, Sicilian and Baltic individuals. Our analysis confirmed gene flow between Neanderthal and ancestral pan-European populations, with similar contributions to the Serbian genome as those observed in other European groups. Finally, to assess the burden of potentially disease-causing/clinically relevant variation in the sequenced genome, we utilized manually curated genotype-phenotype association databases and variant-effect predictors. We identified several variants that have previously been associated with severe early-onset disease that is not evident in the proband, as well as putatively impactful variants that could yet prove to be clinically relevant to the proband over the next decades. The presence of numerous private and low-frequency variants, along with the observed and predicted disease-causing mutations in this genome, exemplify some of the global challenges of genome interpretation, especially in the context of under-studied ethnic groups.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Public Library of Science
ISSN: 1932-6203
Date of First Compliant Deposit: 10 January 2019
Date of Acceptance: 26 November 2018
Last Modified: 23 Nov 2022 11:05

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