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Sturk-Andreaggi K, Bodner M, Ring JD, Ameur A, Gyllensten U, Parson W, Marshall C, Allen M. Complete Mitochondrial DNA Genome Variation in the Swedish Population. Genes (Basel) 2023; 14:1989. [PMID: 38002932 PMCID: PMC10671102 DOI: 10.3390/genes14111989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 10/04/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
The development of complete mitochondrial genome (mitogenome) reference data for inclusion in publicly available population databases is currently underway, and the generation of more high-quality mitogenomes will only enhance the statistical power of this forensically useful locus. To characterize mitogenome variation in Sweden, the mitochondrial DNA (mtDNA) reads from the SweGen whole genome sequencing (WGS) dataset were analyzed. To overcome the interference from low-frequency nuclear mtDNA segments (NUMTs), a 10% variant frequency threshold was applied for the analysis. In total, 934 forensic-quality mitogenome haplotypes were characterized. Almost 45% of the SweGen haplotypes belonged to haplogroup H. Nearly all mitogenome haplotypes (99.1%) were assigned to European haplogroups, which was expected based on previous mtDNA studies of the Swedish population. There were signature northern Swedish and Finnish haplogroups observed in the dataset (e.g., U5b1, W1a), consistent with the nuclear DNA analyses of the SweGen data. The complete mitogenome analysis resulted in high haplotype diversity (0.9996) with a random match probability of 0.15%. Overall, the SweGen mitogenomes provide a large mtDNA reference dataset for the Swedish population and also contribute to the effort to estimate global mitogenome haplotype frequencies.
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Affiliation(s)
- Kimberly Sturk-Andreaggi
- Department of Immunology Genetics and Pathology, Uppsala University, 751 08 Uppsala, Sweden; (A.A.); (U.G.)
- Armed Forces Medical Examiner System’s Armed Forces DNA Identification Laboratory (AFMES-AFDIL), Dover Air Force Base, DE 19902, USA (C.M.)
- SNA International, LLC, Alexandria, VI 22314, USA
| | - Martin Bodner
- Institute of Legal Medicine, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.B.); (W.P.)
| | - Joseph D. Ring
- Armed Forces Medical Examiner System’s Armed Forces DNA Identification Laboratory (AFMES-AFDIL), Dover Air Force Base, DE 19902, USA (C.M.)
- SNA International, LLC, Alexandria, VI 22314, USA
| | - Adam Ameur
- Department of Immunology Genetics and Pathology, Uppsala University, 751 08 Uppsala, Sweden; (A.A.); (U.G.)
| | - Ulf Gyllensten
- Department of Immunology Genetics and Pathology, Uppsala University, 751 08 Uppsala, Sweden; (A.A.); (U.G.)
| | - Walther Parson
- Institute of Legal Medicine, Medical University of Innsbruck, 6020 Innsbruck, Austria; (M.B.); (W.P.)
- Forensic Science Program, The Pennsylvania State University, University Park, State College, PA 16801, USA
| | - Charla Marshall
- Armed Forces Medical Examiner System’s Armed Forces DNA Identification Laboratory (AFMES-AFDIL), Dover Air Force Base, DE 19902, USA (C.M.)
- Forensic Science Program, The Pennsylvania State University, University Park, State College, PA 16801, USA
| | - Marie Allen
- Department of Immunology Genetics and Pathology, Uppsala University, 751 08 Uppsala, Sweden; (A.A.); (U.G.)
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Kristjansson D, Schurr TG, Bohlin J, Jugessur A. Phylogeographic history of mitochondrial haplogroup J in Scandinavia. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2023; 180:298-315. [PMID: 36790764 PMCID: PMC10100211 DOI: 10.1002/ajpa.24666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/10/2022] [Accepted: 11/13/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Mitochondrial DNA haplogroup J is the third most frequent haplogroup in modern-day Scandinavia, although it did not originate there. To infer the genetic history of haplogroup J in Scandinavia, we examined worldwide mitogenome sequences using a maximum-likelihood phylogenetic approach. METHODS Haplogroup J mitogenome sequences were gathered from GenBank (n = 2245) and aligned against the ancestral Reconstructed Sapiens Reference Sequence. We also analyzed haplogroup J Viking Age sequences from the European Nucleotide Archive (n = 54). Genetic distances were estimated from these data and projected onto a maximum likelihood rooted phylogenetic tree to analyze clustering and branching dates. RESULTS Haplogroup J originated approximately 42.6 kya (95% CI: 30.0-64.7), with several of its earliest branches being found within the Arabian Peninsula and Northern Africa. J1b was found most frequently in the Near East and Arabian Peninsula, while J1c occurred most frequently in Europe. Based on phylogenetic dating, subhaplogroup J1c has its early roots in the Mediterranean and Western Balkans. Otherwise, the majority of the branches found in Scandinavia are younger than those seen elsewhere, indicating that haplogroup J dispersed relatively recently into Northern Europe, most plausibly with Neolithic farmers. CONCLUSIONS Haplogroup J appeared when Scandinavia was transitioning to agriculture over 6 kya, with J1c being the most common lineage there today. Changes in the distribution of haplogroup J mtDNAs were likely driven by the expansion of farming from West Asia into Southern Europe, followed by a later expansion into Scandinavia, with other J subhaplogroups appearing among Scandinavian groups as early as the Viking Age.
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Affiliation(s)
- Dana Kristjansson
- Department of Genetics and Bioinformatics, Norwegian Institute of Public Health, Oslo, Norway.,Department of Global Public Health and Primary Care, Faculty of Medicine, University of Bergen, Bergen, Norway.,Center of Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jon Bohlin
- Center of Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Method Development and Analytics, Norwegian Institute of Public Health, Oslo, Norway
| | - Astanand Jugessur
- Department of Global Public Health and Primary Care, Faculty of Medicine, University of Bergen, Bergen, Norway.,Center of Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
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Kristjansson D, Bohlin J, Jugessur A, Schurr TG. Matrilineal diversity and population history of Norwegians. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2021; 176:120-133. [PMID: 34110627 DOI: 10.1002/ajpa.24345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/19/2021] [Accepted: 05/23/2021] [Indexed: 11/06/2022]
Abstract
BACKGROUND While well known for its Viking past, Norway's population history and the influences that have shaped its genetic diversity are less well understood. This is particularly true with respect to its demography, migration patterns, and dialectal regions, despite there being curated historical records for the past several centuries. In this study, we undertook an analysis of mitochondrial DNA (mtDNA) diversity within the country to elaborate this history from a matrilineal genetic perspective. METHODS We aggregated 1174 partial modern Norwegian mtDNA sequences from the published literature and subjected them to detailed statistical and phylogenetic analysis by dialectal regions and localities. We further contextualized the matrilineal ancestry of modern Norwegians with data from Mesolithic, Iron Age, and historic period populations. RESULTS Modern Norwegian mtDNAs fell into eight West Eurasian (N, HV, JT, I, U, K, X, W), five East Eurasian (A, F, G, N11, Z), and one African (L2) haplogroups. Pairwise analysis of molecular variance (AMOVA) estimates for all Norwegians indicated they were differentiated from each other at 1.68% (p < 0.001). Norwegians within the same dialectal region also showed genetic similarities to each other, although differences between subpopulations within dialectal regions were also observed. In addition, certain mtDNA lineages in modern Norwegians were also found among prehistoric and historic period populations, suggesting some level of genetic continuity over hundreds to many thousands of years. CONCLUSIONS This analysis of mtDNA diversity provides a detailed picture of the genetic variation within Norway in light of its topography, settlement history, and historical migrations over the past several centuries.
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Affiliation(s)
- Dana Kristjansson
- Department of Genetics and Bioinformatics, Norwegian Institute of Public Health, Oslo, Norway.,Center of Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Global Public Health and Primary Care, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Jon Bohlin
- Center of Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Infection Epidemiology and Modelling, Norwegian Institute of Public Health, Oslo, Norway
| | - Astanand Jugessur
- Department of Genetics and Bioinformatics, Norwegian Institute of Public Health, Oslo, Norway.,Center of Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.,Department of Global Public Health and Primary Care, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Mitochondrial DNA analysis of a Viking age mass grave in Sweden. Forensic Sci Int Genet 2019; 42:268-274. [DOI: 10.1016/j.fsigen.2019.06.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 01/12/2023]
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Evaluation of the precision ID whole MtDNA genome panel for forensic analyses. Forensic Sci Int Genet 2018; 35:21-25. [PMID: 29626805 DOI: 10.1016/j.fsigen.2018.03.013] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 02/20/2018] [Accepted: 03/28/2018] [Indexed: 12/18/2022]
Abstract
Mitochondrial DNA (mtDNA) amplification and Massively Parallel Sequencing (MPS) using an early access version of the Precision ID Whole MtDNA Genome Panel (Thermo Fisher Scientific) and the Ion Personal Genome Machine (PGM) were evaluated using 15 forensically relevant samples. Samples were selected to represent typical forensic specimens for mtDNA analysis including hairs, hair shafts, swabs and ancient solid tissue samples (bones and teeth) that were stored in the freezer for up to several years after having been typed with conventional Sanger-type Sequencing and Capillary Electrophoresis. The MPS haplotypes confirmed the earlier results in all samples and provided additional sequence information that improved discrimination power and haplogroup estimation. The results raised the appetite for further experiments to validate and apply the new technology in forensic practice.
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Palencia-Madrid L, Cardoso S, Keyser C, López-Quintana JC, Guenaga-Lizasu A, de Pancorbo MM. Ancient mitochondrial lineages support the prehistoric maternal root of Basques in Northern Iberian Peninsula. Eur J Hum Genet 2017; 25:631-636. [PMID: 28272540 DOI: 10.1038/ejhg.2017.24] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 01/23/2017] [Accepted: 02/01/2017] [Indexed: 11/09/2022] Open
Abstract
The Basque population inhabits the Franco-Cantabrian region in southwest Europe where Palaeolithic human groups took refuge during the Last Glacial Maximum. Basques have been an isolated population, largely considered as one of the most ancient European populations and it is possible that they maintained some pre-Neolithic genetic characteristics. This work shows the results of mitochondrial DNA analysis of seven ancient human remains from the Cave of Santimamiñe in the Basque Country dated from Mesolithic to the Late Roman period. In addition, we compared these data with those obtained from a modern sample of Basque population, 158 individuals that nowadays inhabits next to the cave. The results support the hypothesis that Iberians might have been less affected by the Neolithic mitochondrial lineages carried from the Near East than populations of Central Europe and revealed the unexpected presence of prehistoric maternal lineages such as U5a2a and U3a in the Basque region. Comparison between ancient and current population samples upholds the hypothesis of continuity of the maternal lineages in the area of the Franco-Cantabrian region.
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Affiliation(s)
- Leire Palencia-Madrid
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
| | - Sergio Cardoso
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
| | - Christine Keyser
- Laboratoire AMIS, CNRS, UMR 5288, Institut de Médecine Légale, Université de Strasbourg, Strasbourg, France
| | | | | | - Marian M de Pancorbo
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
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Forensic Analysis of Mitochondrial and Autosomal Markers Using Pyrosequencing®. Methods Mol Biol 2016; 1315:379-96. [PMID: 26103912 DOI: 10.1007/978-1-4939-2715-9_26] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Forensic casework analyses often face challenges, such as limited genetic material with or without fragmentation and damage. To compensate for low amounts and degradation, shorter amplicons are often applied in the analysis. Also, a change of markers might be necessary using mitochondrial instead of autosomal markers. In addition, forensic research often involves analysis of large number of samples for marker evaluation and population-database compilation. Therefore, a flexible, robust but also rapid method for the detection of variation is highly useful. Pyrosequencing(®) is a rapid, reliable, easy-to-use method for sequence analysis. The method is well suited for rapid forensic analysis of a few targets or analysis of a single target in many samples. It allows sequencing of very short amplicons, which facilitates analysis of degraded DNA. Here we present the use of Pyrosequencing, a robust method for sensitive forensic analysis of mitochondrial DNA, autosomal STRs, and Y-chromosome STRs and SNPs.
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Whole mitochondrial genome genetic diversity in an Estonian population sample. Int J Legal Med 2015; 130:67-71. [PMID: 26289416 DOI: 10.1007/s00414-015-1249-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 08/12/2015] [Indexed: 10/23/2022]
Abstract
Mitochondrial DNA is a useful marker for population studies, human identification, and forensic analysis. Commonly used hypervariable regions I and II (HVI/HVII) were reported to contain as little as 25% of mitochondrial DNA variants and therefore the majority of power of discrimination of mitochondrial DNA resides in the coding region. Massively parallel sequencing technology enables entire mitochondrial genome sequencing. In this study, buccal swabs were collected from 114 unrelated Estonians and whole mitochondrial genome sequences were generated using the Illumina MiSeq system. The results are concordant with previous mtDNA control region reports of high haplogroup HV and U frequencies (47.4 and 23.7% in this study, respectively) in the Estonian population. One sample with the Northern Asian haplogroup D was detected. The genetic diversity of the Estonian population sample was estimated to be 99.67 and 95.85%, for mtGenome and HVI/HVII data, respectively. The random match probability for mtGenome data was 1.20 versus 4.99% for HVI/HVII. The nucleotide mean pairwise difference was 27 ± 11 for mtGenome and 7 ± 3 for HVI/HVII data. These data describe the genetic diversity of the Estonian population sample and emphasize the power of discrimination of the entire mitochondrial genome over the hypervariable regions.
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