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Moots HM, Antonio M, Sawyer S, Spence JP, Oberreiter V, Weiß CL, Lucci M, Cherifi YMS, La Pastina F, Genchi F, Praxmeier E, Zagorc B, Cheronet O, Özdoğan KT, Demetz L, Amrani S, Candilio F, De Angelis D, Gasperetti G, Fernandes D, Gao Z, Fantar M, Coppa A, Pritchard JK, Pinhasi R. A genetic history of continuity and mobility in the Iron Age central Mediterranean. Nat Ecol Evol 2023; 7:1515-1524. [PMID: 37592021 DOI: 10.1038/s41559-023-02143-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/30/2023] [Indexed: 08/19/2023]
Abstract
The Iron Age was a dynamic period in central Mediterranean history, with the expansion of Greek and Phoenician colonies and the growth of Carthage into the dominant maritime power of the Mediterranean. These events were facilitated by the ease of long-distance travel following major advances in seafaring. We know from the archaeological record that trade goods and materials were moving across great distances in unprecedented quantities, but it is unclear how these patterns correlate with human mobility. Here, to investigate population mobility and interactions directly, we sequenced the genomes of 30 ancient individuals from coastal cities around the central Mediterranean, in Tunisia, Sardinia and central Italy. We observe a meaningful contribution of autochthonous populations, as well as highly heterogeneous ancestry including many individuals with non-local ancestries from other parts of the Mediterranean region. These results highlight both the role of local populations and the extreme interconnectedness of populations in the Iron Age Mediterranean. By studying these trans-Mediterranean neighbours together, we explore the complex interplay between local continuity and mobility that shaped the Iron Age societies of the central Mediterranean.
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Affiliation(s)
- Hannah M Moots
- Stanford Archaeology Center, Stanford University, Stanford, CA, USA
- Department of Anthropology, Stanford University, Stanford, CA, USA
- Department of Human Genetics, University of Chicago, Chicago, IL, USA
| | - Margaret Antonio
- Biomedical Informatics Program, Stanford University, Stanford, CA, USA
| | - Susanna Sawyer
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- Human Evolution and Archaeological Sciences, University of Vienna, Vienna, Austria
| | | | - Victoria Oberreiter
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- Human Evolution and Archaeological Sciences, University of Vienna, Vienna, Austria
| | - Clemens L Weiß
- Department of Genetics, Stanford University, Stanford, CA, USA
| | - Michaela Lucci
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
| | - Yahia Mehdi Seddik Cherifi
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- Cardiolo-Oncology Research Collaborative Group (CORCG), Faculty of Medicine, Benyoucef Benkhedda University, Algiers, Algeria
- Molecular Pathology, University Paul Sabatier Toulouse III, Toulouse, France
| | | | - Francesco Genchi
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
- Department of Oriental Studies, Sapienza University of Rome, Rome, Italy
| | - Elisa Praxmeier
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
| | - Brina Zagorc
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- Human Evolution and Archaeological Sciences, University of Vienna, Vienna, Austria
| | - Olivia Cheronet
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- Human Evolution and Archaeological Sciences, University of Vienna, Vienna, Austria
| | - Kadir T Özdoğan
- Department of History and Art History, Utrecht University, Utrecht, the Netherlands
| | - Lea Demetz
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
| | - Selma Amrani
- LBEIG, Population Genetics and Conservation Unit, Department of Cellular and Molecular Biology-Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, Algiers, Algeria
| | | | - Daniela De Angelis
- Museo Nazionale Etrusco di Tarquinia, Direzione Generale Musei Lazio, Rome, Italy
| | - Gabriella Gasperetti
- Soprintendenza Archeologia, belle arti e paesaggio per le province di Sassari e Nuoro, Sassari, Italy
| | - Daniel Fernandes
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- CIAS, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Ziyue Gao
- Department of Genetics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Mounir Fantar
- Département des Monuments et des Sites Antiques-Institut National du Patrimoine INP, Tunis, Tunisia
| | - Alfredo Coppa
- Department of Biology, Stanford University, Stanford, CA, USA
- Dipartimento di Storia Antropologia Religioni Arte Spettacolo, Sapienza Università di Roma, Rome, Italy
| | - Jonathan K Pritchard
- Department of Genetics, Stanford University, Stanford, CA, USA.
- Department of Genetics, Harvard Medical School, Cambridge, MA, USA.
| | - Ron Pinhasi
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria.
- Department of Human Genetics, University of Chicago, Chicago, IL, USA.
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Fedorova SA, Khusnutdinova EK. Genetic Structure and Genetic History of the Sakha (Yakuts) Population. RUSS J GENET+ 2022. [DOI: 10.1134/s1022795422120031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Torres-Gonzalez E, Makova KD. Exploring the Effects of Mitonuclear Interactions on Mitochondrial DNA Gene Expression in Humans. Front Genet 2022; 13:797129. [PMID: 35846132 PMCID: PMC9277102 DOI: 10.3389/fgene.2022.797129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
Most mitochondrial protein complexes include both nuclear and mitochondrial gene products, which coevolved to work together. This coevolution can be disrupted due to disparity in genetic ancestry between the nuclear and mitochondrial genomes in recently admixed populations. Such mitonuclear DNA discordance might result in phenotypic effects. Several nuclear-encoded proteins regulate expression of mitochondrial DNA (mtDNA) genes. We hypothesized that mitonuclear DNA discordance affects expression of genes encoded by mtDNA. To test this, we utilized the data from the GTEx project, which contains expression levels for ∼100 African Americans and >600 European Americans. The varying proportion of African and European ancestry in recently admixed African Americans provides a range of mitonuclear discordance values, which can be correlated with mtDNA gene expression levels (adjusted for age and ischemic time). In contrast, European Americans did not undergo recent admixture. We demonstrated that, for most mtDNA protein-coding genes, expression levels in energetically-demanding tissues were lower in African Americans than in European Americans. Furthermore, gene expression levels were lower in individuals with higher mitonuclear discordance, independent of population. Moreover, we found a negative correlation between mtDNA gene expression and mitonuclear discordance. In African Americans, the average value of African ancestry was higher for nuclear-encoded mitochondrial than non-mitochondrial genes, facilitating a match in ancestry with the mtDNA and more optimal interactions. These results represent an example of a phenotypic effect of mitonuclear discordance on human admixed populations, and have potential biomedical applications.
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Affiliation(s)
| | - Kateryna D. Makova
- Department of Biology, The Pennsylvania State University, University Park, PA, United States
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Översti S, Palo JU. Variation in the substitution rates among the human mitochondrial haplogroup U sublineages. Genome Biol Evol 2022; 14:6613373. [PMID: 35731946 PMCID: PMC9250076 DOI: 10.1093/gbe/evac097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2022] [Indexed: 11/22/2022] Open
Abstract
Resolving the absolute timescale of phylogenetic trees stipulates reliable estimates for the rate of DNA sequence evolution. For this end, various calibration methods have been developed and studied intensively. Intraspecific rate variation among distinct genetic lineages, however, has gained less attention. Here, we have assessed lineage-specific molecular rates of human mitochondrial DNA (mtDNA) by performing tip-calibrated Bayesian phylogenetic analyses. Tip-calibration, as opposed to traditional nodal time stamps from dated fossil evidence or geological events, is based on sample ages and becoming ever more feasible as ancient DNA data from radiocarbon-dated samples accumulate. We focus on subhaplogroups U2, U4, U5a, and U5b, the data including ancient mtDNA genomes from 14C-dated samples (n = 234), contemporary genomes (n = 301), and two outgroup sequences from haplogroup R. The obtained molecular rates depended on the data sets (with or without contemporary sequences), suggesting time-dependency. More notable was the rate variation between haplogroups: U4 and U5a stand out having a substantially higher rate than U5b. This is also reflected in the divergence times obtained (U5a: 17,700 years and U5b: 29,700 years), a disparity not reported previously. After ruling out various alternative causes (e.g., selection, sampling, and sequence quality), we propose that the substitution rates have been influenced by demographic histories, widely different among populations where U4/U5a or U5b are frequent. As with the Y-chromosomal subhaplogroup R1b, the mitochondrial U4 and U5a have been associated with remarkable range extensions of the Yamnaya culture in the Bronze Age.
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Affiliation(s)
- Sanni Översti
- Transmission, Infection, Diversification and Evolution Group, Max-Planck Institute for the Science of Human History, Jena, Germany Kahlaische Straße 10, 07745, Jena, Germany.,Organismal and Evolutionary Biology Research Programme, Faculty of Biological Sciences, University of Helsinki, Helsinki, Finland P.O. Box 56, FI-00014, Helsinki, Finland
| | - Jukka U Palo
- Department of Forensic Medicine, Faculty of Medicine, University of Helsinki, Helsinki, Finland P.O. Box 40, FI-00014, Helsinki, Finland.,Forensic Chemistry Unit, Forensic Genetics Team, Finnish Institute for Health and Welfare, Helsinki, Finland P.O. Box 30, FI-00271, Helsinki, Finland
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Bousquet PA, Meltzer S, Fuglestad AJ, Lüders T, Esbensen Y, Juul HV, Johansen C, Lyckander LG, Bjørnetrø T, Inderberg EM, Kersten C, Redalen KR, Ree AH. The mitochondrial DNA constitution shaping T-cell immunity in patients with rectal cancer at high risk of metastatic progression. Clin Transl Oncol 2022; 24:1157-1167. [PMID: 34961902 PMCID: PMC9107448 DOI: 10.1007/s12094-021-02756-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/09/2021] [Indexed: 12/09/2022]
Abstract
PURPOSE A significant percentage of colorectal cancer patients proceeds to metastatic disease. We hypothesised that mitochondrial DNA (mtDNA) polymorphisms, generated by the high mtDNA mutation rate of energy-demanding clonal immune cell expansions and assessable in peripheral blood, reflect how efficiently systemic immunity impedes metastasis. PATIENTS AND METHODS We studied 44 rectal cancer patients from a population-based prospective biomarker study, given curative-intent neoadjuvant radiation and radical surgery for high-risk tumour stage and followed for metastatic failure. Blood specimens were sampled at the time of diagnosis and analysed for the full-length mtDNA sequence, composition of immune cell subpopulations and damaged serum mtDNA. RESULTS Whole blood total mtDNA variant number above the median value for the study cohort, coexisting with an mtDNA non-H haplogroup, was representative for the mtDNA of circulating immune cells and associated with low risk of a metastatic event. Abundant mtDNA variants correlated with proliferating helper T cells and cytotoxic effector T cells in the circulation. Patients without metastatic progression had high relative levels of circulating tumour-targeting effector T cells and, of note, the naïve (LAG-3+) helper T-cell population, with the proportion of LAG-3+ cells inversely correlating with cell-free damaged mtDNA in serum known to cause antagonising inflammation. CONCLUSION Numerous mtDNA polymorphisms in peripheral blood reflected clonal expansion of circulating helper and cytotoxic T-cell populations in patients without metastatic failure. The statistical associations suggested that patient's constitutional mtDNA manifests the helper T-cell capacity to mount immunity that controls metastatic susceptibility. TRIAL REGISTRATION ClinicalTrials.gov NCT01816607; registration date: 22 March 2013.
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Affiliation(s)
- P A Bousquet
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
| | - S Meltzer
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
| | - A J Fuglestad
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Centre for Cancer Treatment, Sørlandet Hospital, Kristiansand, Norway
| | - T Lüders
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Clinical Molecular Biology, Akershus University Hospital, Lorenskog, Norway
| | - Y Esbensen
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Clinical Molecular Biology, Akershus University Hospital, Lorenskog, Norway
| | - H V Juul
- Department of Cellular Therapy, Oslo University Hospital, Oslo, Norway
| | - C Johansen
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
| | - L G Lyckander
- Department of Pathology, Akershus University Hospital, Lorenskog, Norway
| | - T Bjørnetrø
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
| | - E M Inderberg
- Department of Cellular Therapy, Oslo University Hospital, Oslo, Norway
| | - C Kersten
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
- Centre for Cancer Treatment, Sørlandet Hospital, Kristiansand, Norway
| | - K R Redalen
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway
- Department of Physics, Norwegian University of Science and Technology, Trondheim, Norway
| | - A H Ree
- Department of Oncology, Akershus University Hospital, Lorenskog, Norway.
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
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Lo Faro V, Nolte IM, Ten Brink JB, Snieder H, Jansonius NM, Bergen AA. Mitochondrial Genome Study Identifies Association Between Primary Open-Angle Glaucoma and Variants in MT-CYB, MT-ND4 Genes and Haplogroups. Front Genet 2021; 12:781189. [PMID: 34976016 PMCID: PMC8719162 DOI: 10.3389/fgene.2021.781189] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/29/2021] [Indexed: 11/21/2022] Open
Abstract
Background and purpose: Primary open-angle glaucoma (POAG) is an optic neuropathy characterized by death of retinal ganglion cells and atrophy of the optic nerve head. The susceptibility of the optic nerve to damage has been shown to be mediated by mitochondrial dysfunction. In this study, we aimed to determine a possible association between mitochondrial SNPs or haplogroups and POAG. Methods: Mitochondrial DNA single nucleotide polymorphisms (mtSNPs) were genotyped using the Illumina Infinium Global Screening Array-24 (GSA) 700K array set. Genetic analyses were performed in a POAG case-control study involving the cohorts, Groningen Longitudinal Glaucoma Study-Lifelines Cohort Study and Amsterdam Glaucoma Study, including 721 patients and 1951 controls in total. We excluded samples not passing quality control for nuclear genotypes and samples with low call rate for mitochondrial variation. The mitochondrial variants were analyzed both as SNPs and haplogroups. These were determined with the bioinformatics software HaploGrep, and logistic regression analysis was used for the association, as well as for SNPs. Results: Meta-analysis of the results from both cohorts revealed a significant association between POAG and the allele A of rs2853496 [odds ratio (OR) = 0.64; p = 0.006] within the MT-ND4 gene, and for the T allele of rs35788393 (OR = 0.75; p = 0.041) located in the MT-CYB gene. In the mitochondrial haplogroup analysis, the most significant p-value was reached by haplogroup K (p = 1.2 × 10−05), which increases the risk of POAG with an OR of 5.8 (95% CI 2.7–13.1). Conclusion: We identified an association between POAG and polymorphisms in the mitochondrial genes MT-ND4 (rs2853496) and MT-CYB (rs35788393), and with haplogroup K. The present study provides further evidence that mitochondrial genome variations are implicated in POAG. Further genetic and functional studies are required to substantiate the association between mitochondrial gene polymorphisms and POAG and to define the pathophysiological mechanisms of mitochondrial dysfunction in glaucoma.
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Affiliation(s)
- Valeria Lo Faro
- Department of Ophthalmology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Department of Clinical Genetics, Amsterdam University Medical Center (AMC), Amsterdam, Netherlands
| | - Ilja M. Nolte
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Jacoline B. Ten Brink
- Department of Clinical Genetics, Amsterdam University Medical Center (AMC), Amsterdam, Netherlands
| | - Harold Snieder
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Nomdo M. Jansonius
- Department of Ophthalmology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Arthur A. Bergen
- Department of Clinical Genetics, Amsterdam University Medical Center (AMC), Amsterdam, Netherlands
- Department of Ophthalmology, Amsterdam UMC, Amsterdam, Netherlands
- *Correspondence: Arthur A. Bergen,
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Fadhl HNM, Mohammed SA, Abdulkarim FM. Mitochondrial DNA haplogroup study: residents of Sulaymaniyah city in the Iraqi Kurdistan Region may be genetically closer to European lineage. EGYPTIAN JOURNAL OF FORENSIC SCIENCES 2021. [DOI: 10.1186/s41935-021-00246-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Being the native inhabitants of the Neolithic Fertile Crescent, Kurds were included in several maternal lineage studies concerning the Eurasian population. However, no study was performed on the Kurdish population of Sulaymaniyah city (latitude 33.314690 and longitude 44.376759). This study was carried out on a sample of Sorani Kurds living in Sulaymaniyah for the identification of population-related single nucleotide polymorphisms (SNPs) and modes of maternal lineage.
Results
In this study, 36 randomly selected healthy unrelated Kurdish subjects were enrolled. Whole mitochondrial DNA sequencing was performed. HaploGrep 2.0 and neutrality test (Tajima’s D) were employed for haplogroup identification and historical demography determination. When the outcomes were compared with previous studies in Kurds and the neighbouring nations, the identified haplogroups in the sample of study were members of the Western Eurasian haplogroups with a predominance of haplogroup H.
Conclusions
The whole mitochondrial DNA sequence is superior to the traditional analysis of the non-coding (control) region. Our study indicates a stronger relation of the studied group to the European lineage than to their neighbouring nations.
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Tamburrini C, de Saint Pierre M, Bravi CM, Bailliet G, Jurado Medina L, Velázquez IF, Real LE, Holley A, Tedeschi CM, Basso NG, Parolin ML. Uniparental origins of the admixed Argentine Patagonia. Am J Hum Biol 2021; 34:e23682. [PMID: 34533260 DOI: 10.1002/ajhb.23682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 09/01/2021] [Accepted: 09/06/2021] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVES We aimed to contribute to the understanding of the ancient geographic origins of the uniparentally inherited markers in modern admixed Argentinian populations from central Patagonia with new information provided for the city of Trelew. We attempted to highlight the importance of combining different genetic markers when studying population history. METHODS The mtDNA control region sequence was typified in 89 individuals and 12 Y-STR and 15 Y-SNP loci were analyzed in 66 males. With these data, analysis of molecular variance and Network analyses were carried out. We exhaustively compared the modern data with ancient mtDNA information. Finally, we tested the differences in continental origins estimated by uniparental and previously published biparental markers. RESULTS Native American mtDNAs (53.9%) increased when maternal ancestors were born in the northern (81.8%) and southern (58.5%) regions of Argentina or in Chile (77.8%). Population substructure was only observed for Y-chromosome haplotypes. Some mtDNA haplogroups have been present in the area for at least ca. 2762-2430 and ca. 500 (D1g and D1g4 haplogroups) and ca. 6736 and ca. 6620 (C1b and C1c haplogroups) years, respectively. In contrast, haplogroups B2i2 and C1b13, frequent in modern Patagonia populations, had not been found in previous ancient DNA studies of the region. CONCLUSIONS The results suggest that Native American ancestry is well preserved in the region. Trelew samples had characteristic native mtDNA haplogroups previously described in Chilean and Argentine Patagonian populations, but not observed in ancient samples until now. These findings support the idea that these lineages have a recent regional origin. Finally, the estimated proportions of continental ancestry depend on the genetic marker analyzed.
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Affiliation(s)
- Camila Tamburrini
- Instituto de Diversidad y Evolución Austral, (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | - Michelle de Saint Pierre
- Departamento de Antropología, Facultad de Ciencias Sociales, Universidad de Chile, Santiago de Chile, Chile
| | - Claudio Marcelo Bravi
- Laboratorio de Genética Molecular Poblacional, IMBICE (CCT-CONICET, CIC-PBA), Universidad Nacional de La Plata (UNLP), La Plata, Argentina
| | - Graciela Bailliet
- Laboratorio de Genética Molecular Poblacional, IMBICE (CCT-CONICET, CIC-PBA), Universidad Nacional de La Plata (UNLP), La Plata, Argentina
| | - Laura Jurado Medina
- Laboratorio de Genética Molecular Poblacional, IMBICE (CCT-CONICET, CIC-PBA), Universidad Nacional de La Plata (UNLP), La Plata, Argentina
| | | | - Luciano Esteban Real
- Instituto de Diversidad y Evolución Austral, (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | - Alfredo Holley
- Instituto de Diversidad y Evolución Austral, (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | | | - Néstor Guillermo Basso
- Instituto de Diversidad y Evolución Austral, (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
| | - María Laura Parolin
- Instituto de Diversidad y Evolución Austral, (IDEAus-CONICET), Puerto Madryn, Chubut, Argentina
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Dashti M, Alsaleh H, Eaaswarkhanth M, John SE, Nizam R, Melhem M, Hebbar P, Sharma P, Al-Mulla F, Thanaraj TA. Delineation of Mitochondrial DNA Variants From Exome Sequencing Data and Association of Haplogroups With Obesity in Kuwait. Front Genet 2021; 12:626260. [PMID: 33659027 PMCID: PMC7920096 DOI: 10.3389/fgene.2021.626260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 01/13/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND/OBJECTIVES Whole-exome sequencing is a valuable tool to determine genetic variations that are associated with rare and common health conditions. A limited number of studies demonstrated that mitochondrial DNA can be captured using whole-exome sequencing. Previous studies have suggested that mitochondrial DNA variants and haplogroup lineages are associated with obesity. Therefore, we investigated the role of mitochondrial variants and haplogroups contributing to the risk of obesity in Arabs in Kuwait using exome sequencing data. SUBJECTS/METHODS Indirect mitochondrial genomes were extracted from exome sequencing data from 288 unrelated native Arab individuals from Kuwait. The cohort was divided into obese [body mass index (BMI) ≥ 30 kg/m2] and non-obese (BMI < 30 kg/m2) groups. Mitochondrial variants were identified, and haplogroups were classified and compared with other sequencing technologies. Statistical analysis was performed to determine associations and identify mitochondrial variants and haplogroups affecting obesity. RESULTS Haplogroup R showed a protective effect on obesity [odds ratio (OR) = 0.311; P = 0.006], whereas haplogroup L individuals were at high risk of obesity (OR = 2.285; P = 0.046). Significant differences in mitochondrial variants between the obese and non-obese groups were mainly haplogroup-defining mutations and were involved in processes in energy generation. The majority of mitochondrial variants and haplogroups extracted from exome were in agreement with technical replica from Sanger and whole-genome sequencing. CONCLUSIONS This is the first to utilize whole-exome data to extract entire mitochondrial haplogroups to study its association with obesity in an Arab population.
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Affiliation(s)
- Mohammed Dashti
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Hussain Alsaleh
- Kuwait Identification DNA Laboratory, General Department of Criminal Evidence, Ministry of Interior, Kuwait City, Kuwait
| | | | - Sumi Elsa John
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Rasheeba Nizam
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Motasem Melhem
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Prashantha Hebbar
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Prem Sharma
- Department Special Services Facilities, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Fahd Al-Mulla
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Kuwait City, Kuwait
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Mineta K, Goto K, Gojobori T, Alkuraya FS. Population structure of indigenous inhabitants of Arabia. PLoS Genet 2021; 17:e1009210. [PMID: 33428619 PMCID: PMC7799765 DOI: 10.1371/journal.pgen.1009210] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 10/16/2020] [Indexed: 01/19/2023] Open
Abstract
Modern day Saudi Arabia occupies the majority of historical Arabia, which may have contributed to ancient waves of migration out of Africa. This ancient history has left a lasting imprint in the genetics of the region, including the diverse set of tribes that call Saudi Arabia their home. How these tribes relate to each other and to the world's major populations remains an unanswered question. In an attempt to improve our understanding of the population structure of Saudi Arabia, we conducted genomic profiling of 957 unrelated individuals who self-identify with 28 large tribes in Saudi Arabia. Consistent with the tradition of intra-tribal unions, the subjects showed strong clustering along tribal lines with the distance between clusters correlating with their geographical proximities in Arabia. However, these individuals form a unique cluster when compared to the world's major populations. The ancient origin of these tribal affiliations is supported by analyses that revealed little evidence of ancestral origin from within the 28 tribes. Our results disclose a granular map of population structure and have important implications for future genetic studies into Mendelian and common diseases in the region.
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Affiliation(s)
- Katsuhiko Mineta
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Kosuke Goto
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Takashi Gojobori
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- * E-mail: (TG); (FSA)
| | - Fowzan S. Alkuraya
- Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Department of Anatomy and Cell Biology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
- Saudi Human Genome Program, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
- * E-mail: (TG); (FSA)
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Fleskes RE, Ofunniyin AA, Gilmore JK, Poplin E, Abel SM, Bueschgen WD, Juarez C, Butler N, Mishoe G, Oubré L, Cabana GS, Schurr TG. Ancestry, health, and lived experiences of enslaved Africans in 18th century Charleston: An osteobiographical analysis. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 175:3-24. [PMID: 33022107 DOI: 10.1002/ajpa.24149] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/30/2020] [Accepted: 09/13/2020] [Indexed: 01/20/2023]
Abstract
OBJECTIVES In 2013, the burials of 36 individuals of putative African ancestry were discovered during renovation of the Gaillard Center in downtown Charleston, South Carolina. The Charleston community facilitated a bioarchaeological and mitogenomic study to gain insights into the lives of these unknown persons, referred to as the Anson Street Ancestors, including their ancestry, health, and lived experiences in the 18th century. METHODS Metric and morphological assessments of skeletal and dental characteristics were recorded, and enamel and cortical bone strontium stable isotope values generated. Whole mitochondrial genomes were sequenced and analyzed. RESULTS Osteological analysis identified adults, both females and males, and subadults at the site, and estimated African ancestry for most individuals. Skeletal trauma and pathology were infrequent, but many individuals exhibited dental decay and abscesses. Strontium isotope data suggested these individuals mostly originated in Charleston or sub-Saharan Africa, with many being long-term residents of Charleston. Nearly all had mitochondrial lineages belonging to African haplogroups (L0-L3, H1cb1a), with two individuals sharing the same L3e2a haplotype, while one had a Native American A2 mtDNA. DISCUSSION This study generated detailed osteobiographies of the Anson Street Ancestors, who were likely of enslaved status. Our results indicate that the Ancestors have diverse maternal African ancestries and are largely unrelated, with most being born locally. These details reveal the demographic impact of the trans-Atlantic slave trade. Our analysis further illuminates the lived experiences of individuals buried at Anson Street, and expands our understanding of 18th century African history in Charleston.
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Affiliation(s)
- Raquel E Fleskes
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ade A Ofunniyin
- The Gullah Society, Inc., Mount Pleasant, South Carolina, USA.,Department of Sociology and Anthropology, The College of Charleston, Charleston, South Carolina, USA
| | - Joanna K Gilmore
- The Gullah Society, Inc., Mount Pleasant, South Carolina, USA.,Department of Sociology and Anthropology, The College of Charleston, Charleston, South Carolina, USA
| | - Eric Poplin
- Brockington and Associates, Inc., Mount Pleasant, South Carolina, USA
| | - Suzanne M Abel
- Charleston County Coroner's Office, North Charleston, South Carolina, USA
| | - Wolf D Bueschgen
- Charleston County Coroner's Office, North Charleston, South Carolina, USA
| | - Chelsey Juarez
- Department of Anthropology, California State University, Fresno, California, USA
| | - Nic Butler
- Charleston County Public Library, Charleston, South Carolina, USA
| | - Grant Mishoe
- The Gullah Society, Inc., Mount Pleasant, South Carolina, USA
| | - La'Sheia Oubré
- The Gullah Society, Inc., Mount Pleasant, South Carolina, USA
| | - Graciela S Cabana
- Department of Anthropology, University of Tennessee, Knoxville, Tennessee, USA
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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12
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Oras E, Anderson J, Tõrv M, Vahur S, Rammo R, Remmer S, Mölder M, Malve M, Saag L, Saage R, Teearu-Ojakäär A, Peets P, Tambets K, Metspalu M, Lees DC, Barclay MVL, Hall MJR, Ikram S, Piombino-Mascali D. Multidisciplinary investigation of two Egyptian child mummies curated at the University of Tartu Art Museum, Estonia (Late/Graeco-Roman Periods). PLoS One 2020; 15:e0227446. [PMID: 31945091 PMCID: PMC6964855 DOI: 10.1371/journal.pone.0227446] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 12/18/2019] [Indexed: 11/19/2022] Open
Abstract
Two ancient Egyptian child mummies at the University of Tartu Art Museum (Estonia) were, according to museum records, brought to Estonia by the young Baltic-German scholar Otto Friedrich von Richter, who had travelled in Egypt during the early 19th century. Although some studies of the mummies were conducted, a thorough investigation has never been made. Thus, an interdisciplinary team of experts studied the remains using the most recent analytical methods in order to provide an exhaustive analysis of the remains. The bodies were submitted for osteological and archaeothanatological study, radiological investigation, AMS radiocarbon dating, chemical and textile analyses, 3D modelling, entomological as well as aDNA investigation. Here we synthesize the results of one of the most extensive multidisciplinary analyses of ancient Egyptian child mummies, adding significantly to our knowledge of such examples of ancient funerary practices.
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Affiliation(s)
- Ester Oras
- Institute of Chemistry, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
- Institute of History and Archaeology, Faculty of Arts and Humanities, University of Tartu, Tartu, Estonia
- * E-mail:
| | | | - Mari Tõrv
- Institute of History and Archaeology, Faculty of Arts and Humanities, University of Tartu, Tartu, Estonia
| | - Signe Vahur
- Institute of Chemistry, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
| | - Riina Rammo
- Institute of History and Archaeology, Faculty of Arts and Humanities, University of Tartu, Tartu, Estonia
| | - Sünne Remmer
- Estonian Forensic Science Institute, Tallinn, Estonia
| | - Maarja Mölder
- Estonian Forensic Science Institute, Tallinn, Estonia
| | - Martin Malve
- Institute of History and Archaeology, Faculty of Arts and Humanities, University of Tartu, Tartu, Estonia
| | - Lehti Saag
- Institute of Genomics, University of Tartu, Tartu, Estonia
- Institute of Molecular and Cell Biology, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
| | - Ragnar Saage
- Institute of History and Archaeology, Faculty of Arts and Humanities, University of Tartu, Tartu, Estonia
| | - Anu Teearu-Ojakäär
- Institute of Chemistry, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
| | - Pilleriin Peets
- Institute of Chemistry, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
| | | | - Mait Metspalu
- Institute of Genomics, University of Tartu, Tartu, Estonia
| | | | | | | | - Salima Ikram
- Department of Sociology, Egyptology and Anthropology, American University in Cairo, New Cairo, Egypt
- Department of Ancient Studies, Stellenbosch University, Stellenbosch, South Africa
| | - Dario Piombino-Mascali
- Department of Anatomy, Histology and Anthropology, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
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13
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Al-Eitan L, Saadeh H, Alnaamneh A, Darabseh S, Al-Sarhan N, Alzihlif M, Hakooz N, Ivanova E, Kelsey G, Dajani R. The genetic landscape of Arab Population, Chechens and Circassians subpopulations from Jordan through HV1 and HV2 regions of mtDNA. Gene 2019; 729:144314. [PMID: 31884104 DOI: 10.1016/j.gene.2019.144314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 11/29/2022]
Abstract
Mitochondrial DNA (mtDNA) is widely used in several fields including medical genetics, forensic science, genetic genealogy, and evolutionary anthropology. In this study, mtDNA haplotype diversity was determined for 293 unrelated subjects from Jordanian population (Circassians, Chechens, and the original inhabitants of Jordan). A total of 102 haplotypes were identified and analyzed among the populations to describe the maternal lineage landscape. Our results revealed that the distribution of mtDNA haplotype frequencies among the three populations showed disparity and significant differences when compared to each other. We also constructed mitochondrial haplotype classification trees for the three populations to determine the phylogenetic relationship of mtDNA haplotype variants, and we observed clear differences in the distribution of maternal genetic ancestries, especially between Arab and the minority ethnic populations. To our knowledge, this study is the first, to date, to characterize mitochondrial haplotypes and haplotype distributions in a population-based sample from the Jordanian population. It provides a powerful reference for future studies investigating the contribution of mtDNA variation to human health and disease and studying population history and evolution by comparing the mtDNA haplotypes to other populations.
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Affiliation(s)
- Laith Al-Eitan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan; Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Heba Saadeh
- Computer Science Department, The University of Jordan, Amman 11942, Jordan
| | - Adan Alnaamneh
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Salma Darabseh
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Na'meh Al-Sarhan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Malek Alzihlif
- Department of Pharmacology, Faculty of Medicine, The University of Jordan, Amman 11942, Jordan
| | - Nancy Hakooz
- Department of Biopharmaceutics and Clinical Pharmacy, School of Pharmacy, The University of Jordan, Amman 11942, Jordan
| | - Elena Ivanova
- Epigenetics Programme, The Babraham Institute, Cambridge, CB22 3AT, UK
| | - Gavin Kelsey
- Epigenetics Programme, The Babraham Institute, Cambridge, CB22 3AT, UK; The Centre for Trophoblast Research, University of Cambridge, CB2 3EG, UK
| | - Rana Dajani
- Department of Biology and Biotechnology, The Hashemite University, Zarqa 13133, Jordan; Radcliffe Institute for Advanced Studies, Harvard University, Cambridge, MA 02138, USA; Jepson School of Leadership, Richmond University, 221 Richmond Way, Richmond, VA 23173, USA
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14
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Fleskes RE, Bruwelheide KS, West FL, Owsley DW, Griffith DR, Barca KG, Cabana GS, Schurr TG. Ancient DNA and bioarchaeological perspectives on European and African diversity and relationships on the colonial Delaware frontier. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 170:232-245. [DOI: 10.1002/ajpa.23887] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 06/07/2019] [Accepted: 06/13/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Raquel E. Fleskes
- Department of AnthropologyUniversity of Pennsylvania Philadelphia Pennsylvania
| | - Karin S. Bruwelheide
- Department of AnthropologySmithsonian Institution, National Museum of Natural History Washington D.C
| | - Frankie L. West
- Department of AnthropologyUniversity of Tennessee Knoxville Tennessee
| | - Douglas W. Owsley
- Department of AnthropologySmithsonian Institution, National Museum of Natural History Washington D.C
| | | | - Kathryn G. Barca
- Department of AnthropologySmithsonian Institution, National Museum of Natural History Washington D.C
| | | | - Theodore G. Schurr
- Department of AnthropologyUniversity of Pennsylvania Philadelphia Pennsylvania
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15
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Silva M, Justeau P, Rodrigues S, Oteo-Garcia G, Dulias K, Foody G, Fichera A, Yau B, Rito T, Wilson JF, Gandini F, Edwards CJ, Pala M, Soares PA, Richards MB. Untangling Neolithic and Bronze Age mitochondrial lineages in South Asia. Ann Hum Biol 2019; 46:140-144. [PMID: 31267777 DOI: 10.1080/03014460.2019.1623319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Two key moments shaped the extant South Asian gene pool within the last 10 thousand years (ka): the Neolithic period, with the advent of agriculture and the rise of the Harappan/Indus Valley Civilisation; and Late Bronze Age events that witnessed the abrupt fall of the Harappan Civilisation and the arrival of Indo-European speakers. This study focuses on the phylogeographic patterns of mitochondrial haplogroups H2 and H13 in the Indian Subcontinent and incorporates evidence from recently released ancient genomes from Central and South Asia. It found signals of Neolithic arrivals from Iran and later movements in the Bronze Age from Central Asia that derived ultimately from the Steppe. This study shows how a detailed mtDNA phylogeographic approach, combining both modern and ancient variation, can provide evidence of population movements, even in a scenario of strong male bias such as in the case of the Bronze Age Steppe dispersals.
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Affiliation(s)
- M Silva
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - P Justeau
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - S Rodrigues
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - G Oteo-Garcia
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - K Dulias
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - G Foody
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - A Fichera
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - B Yau
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - T Rito
- b School of Medicine , Life and Health Sciences Research Institute (ICVS), University of Minho , Braga , Portugal.,c ICVS/3B's , PT Government Associate Laboratory , Guimarães , Portugal
| | - J F Wilson
- d Centre for Global Health Research, Usher Institute of Population Health Sciences and Informatics , University of Edinburgh, Teviot Place , Edinburgh , UK.,e MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine , University of Edinburgh, Western General Hospital , Edinburgh , UK
| | - F Gandini
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - C J Edwards
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - M Pala
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
| | - P A Soares
- f CBMA (Centre of Molecular and Environmental Biology), Department of Biology , University of Minho , Braga , Portugal.,g Institute of Science and Innovation for Bio-Sustainability (IB-S) , University of Minho , Braga , Portugal
| | - M B Richards
- a Department of Biological and Geographical Sciences, School of Applied Sciences , University of Huddersfield , Queensgate , UK
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16
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Eaaswarkhanth M, Melhem M, Sharma P, Nizam R, Al Madhoun A, Chaubey G, Alsmadi O, AlOzairi E, Al-Mulla F. Mitochondrial DNA D-loop sequencing reveals obesity variants in an Arab population. APPLICATION OF CLINICAL GENETICS 2019; 12:63-70. [PMID: 31213875 PMCID: PMC6541754 DOI: 10.2147/tacg.s198593] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 04/13/2019] [Indexed: 01/11/2023]
Abstract
Background: The association of mitochondrial DNA (mtDNA) variations with obesity has been investigated in diverse populations across the world. However, such obesity-associated mtDNA examinations are rarely conducted in Arab populations. Materials and methods: We re-sequenced mtDNA displacement loop (D-loop) region of 395 Arab individuals of Kuwait. We categorized the individuals based on their BMI scores as obese (n=232; BMI ≥30 kg/m2), overweight (n=110; BMI ≥25 kg/m2 and <30 kg/m2), and lean (n=53; BMI <25 kg/m2). We performed all the statistical tests by combining obese and overweight individuals in one group. Association analyses were conducted applying Fisher's exact test and logistic regression model. Results: We identified that the mtDNA variations m.73A>G, and m.523delAC were positively correlated with obesity, while m.310T>C, and m.16318A>T were negatively associated. All these variants, except m.16318A>T, remain statistically significant after adjusting for age and gender. We found that the variant m.73A>G increases the likelihood of being obese by 6-fold, whereas haplogroup H decreases the probability of being obese in Arab individuals of Kuwait. Haplotype analysis revealed that a haplotype, A263G-C309CT-T310C, defining the H2a clade of H haplogroup, reduces the probability of being obese. Conclusion: Our study reports, for the first time, the obesity-related mtDNA variants in Arabs of Kuwait. Based on the mtDNA D-loop region variations, we detected particular variants and haplogroup that are related with increased and decreased probability of being obese in the Kuwait Arab population.
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Affiliation(s)
| | - Motasem Melhem
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Dasman, 15462, Kuwait
| | - Prem Sharma
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Dasman, 15462, Kuwait
| | - Rasheeba Nizam
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Dasman, 15462, Kuwait
| | - Ashraf Al Madhoun
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Dasman, 15462, Kuwait
| | - Gyaneshwer Chaubey
- Cytogenetics Laboratory, Department of Zoology, Banaras Hindu University, Varanasi, India
| | - Osama Alsmadi
- Department of Cell Therapy & Applied Genomics, King Hussein Cancer Center, Amman, Jordan
| | - Ebaa AlOzairi
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Dasman, 15462, Kuwait
| | - Fahd Al-Mulla
- Genetics and Bioinformatics Department, Dasman Diabetes Institute, Dasman, 15462, Kuwait
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17
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Zhernakova DV, Brukhin V, Malov S, Oleksyk TK, Koepfli KP, Zhuk A, Dobrynin P, Kliver S, Cherkasov N, Tamazian G, Rotkevich M, Krasheninnikova K, Evsyukov I, Sidorov S, Gorbunova A, Chernyaeva E, Shevchenko A, Kolchanova S, Komissarov A, Simonov S, Antonik A, Logachev A, Polev DE, Pavlova OA, Glotov AS, Ulantsev V, Noskova E, Davydova TK, Sivtseva TM, Limborska S, Balanovsky O, Osakovsky V, Novozhilov A, Puzyrev V, O'Brien SJ. Genome-wide sequence analyses of ethnic populations across Russia. Genomics 2019; 112:442-458. [PMID: 30902755 DOI: 10.1016/j.ygeno.2019.03.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 03/15/2019] [Indexed: 12/22/2022]
Abstract
The Russian Federation is the largest and one of the most ethnically diverse countries in the world, however no centralized reference database of genetic variation exists to date. Such data are crucial for medical genetics and essential for studying population history. The Genome Russia Project aims at filling this gap by performing whole genome sequencing and analysis of peoples of the Russian Federation. Here we report the characterization of genome-wide variation of 264 healthy adults, including 60 newly sequenced samples. People of Russia carry known and novel genetic variants of adaptive, clinical and functional consequence that in many cases show allele frequency divergence from neighboring populations. Population genetics analyses revealed six phylogeographic partitions among indigenous ethnicities corresponding to their geographic locales. This study presents a characterization of population-specific genomic variation in Russia with results important for medical genetics and for understanding the dynamic population history of the world's largest country.
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Affiliation(s)
- Daria V Zhernakova
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
| | - Vladimir Brukhin
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Sergey Malov
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; Department of Mathematics, St. Petersburg Electrotechnical University, St. Petersburg, Russian Federation
| | - Taras K Oleksyk
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; Biology Department, University of Puerto Rico at Mayaguez, Mayaguez, Puerto Rico; Department of Biological Sciences, Oakland University, Rochester, MI 48309, USA
| | - Klaus Peter Koepfli
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; National Zoological Park, Smithsonian Conservation Biology Institute, Washington, DC, USA
| | - Anna Zhuk
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; Vavilov Institute of General Genetics, Russian Academy of Sciences, St. Petersburg Branch, St. Petersburg, Russian Federation
| | - Pavel Dobrynin
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; National Zoological Park, Smithsonian Conservation Biology Institute, Washington, DC, USA
| | - Sergei Kliver
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Nikolay Cherkasov
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Gaik Tamazian
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Mikhail Rotkevich
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Ksenia Krasheninnikova
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Igor Evsyukov
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Sviatoslav Sidorov
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Anna Gorbunova
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; I.I. Mechnikov North-Western State Medical University, St. Petersburg, Russian Federation
| | - Ekaterina Chernyaeva
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Andrey Shevchenko
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Sofia Kolchanova
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; Biology Department, University of Puerto Rico at Mayaguez, Mayaguez, Puerto Rico
| | - Alexei Komissarov
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Serguei Simonov
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Alexey Antonik
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Anton Logachev
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Dmitrii E Polev
- Centre Biobank, Research Park, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Olga A Pavlova
- Centre Biobank, Research Park, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Andrey S Glotov
- Laboratory of biobanking and genomic medicine of Institute of translation biomedicine, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Vladimir Ulantsev
- Computer Technologies Laboratory, ITMO University, St. Petersburg, Russian Federation
| | - Ekaterina Noskova
- Computer Technologies Laboratory, ITMO University, St. Petersburg, Russian Federation; JetBrains Research, St. Petersburg, Russian Federation
| | - Tatyana K Davydova
- Federal State Budgetary Scietific Institution, "Yakut science center of complex medical problems", Yakutsk, Russian Federation
| | - Tatyana M Sivtseva
- Institute of Health, North-Eastern Federal University, Yakutsk, Russian Federation
| | - Svetlana Limborska
- Department of Molecular Bases of Human Genetics, Institute of Molecular Genetics, Russian Academy of Sciences, Moscow, Russian Federation
| | - Oleg Balanovsky
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, Russian Federation; Research Centre for Medical Genetics, Moscow, Russian Federation; Biobank of North Eurasia, Moscow, Russian Federation
| | - Vladimir Osakovsky
- Institute of Health, North-Eastern Federal University, Yakutsk, Russian Federation
| | - Alexey Novozhilov
- Department of Ethnography and Anthropology, St. Petersburg State University, St. Petersburg, Russian Federation
| | - Valery Puzyrev
- Research Institute of Medical Genetics, Tomsk National Research Medical Center, Russian Academy of Science, Tomsk, Russian Federation
| | - Stephen J O'Brien
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russian Federation; Guy Harvey Oceanographic Center, Halmos College of Natural Sciences and Oceanography, Nova Southeastern University, 8000 North Ocean Drive, Ft Lauderdale, Florida 33004, USA.
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18
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Šebest L, Baldovič M, Frtús A, Bognár C, Kyselicová K, Kádasi Ľ, Beňuš R. Detection of mitochondrial haplogroups in a small avar-slavic population from the eigth-ninth century AD. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018; 165:536-553. [PMID: 29345305 DOI: 10.1002/ajpa.23380] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 10/31/2017] [Accepted: 12/09/2017] [Indexed: 11/08/2022]
Abstract
OBJECTIVES In the sixth century AD, Avars came to Central Europe from middle Eurasian steppes and founded a strong Empire called the Avar Khagante (568-799/803 AD) in the Pannonian basin. During the existence of this empire, they undertook many military and pugnacious campaigns. In the seventh century, they conquered the northern territory inhabited by Slavs, who were further recruited in Avar military and were commissioned with obtaining food supplies. During almost 200 years of Avar domination, a significant influence by the Avar culture (especially on the burial rite) and assimilation with indigenous population (occurrence of "East Asian"cranial features) could be noticed in this mixed area, which is supported by achaeological and anthropologcal research. Therefore we expected higher incidence of east Eurasian haplogroups (introduced by Avars) than the frequencies detected in present-day central European populations. MATERIALS AND METHODS Mitochondrial DNA from 62 human skeletal remains excavated from the Avar-Slavic burial site Cífer-Pác (Slovakia) dated to the eighth and ninth century was analyzed by the sequencing of hypervariable region I and selected parts of coding region. Obtained haplotypes were compared with other present-day and historical populations and genetic distances were calculated using standard statistical method. RESULTS AND DISCUSSION In total, the detection of mitochondrial haplogroups was possible in 46 individuals. Our results prooved a higher frequency of east Eurasian haplogroups in our analyzed population (6.52%) than in present-day central European populations. However, it is almost three times lower than the frequency of east Eurasian haplogroups detected in other medieval Avar populations. The statistical analysis showed a greater similarity and the lowest genetic distances between the Avar-Slavic burial site Cifer-Pac and medieval European populations than the South Siberian, East and Central Asian populations. CONCLUSION Our results indicate that the transfer of Avar genetic variation through their mtDNA was rather weak in the analyzed mixed population.
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Affiliation(s)
- Lukáš Šebest
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic
| | - Marian Baldovič
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic
| | - Adam Frtús
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic
| | - Csaba Bognár
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic
| | - Klaudia Kyselicová
- Faculty of Medicine, Institute of Physiology, Comenius University, Sasinkova 2, Bratislava 813 72, Slovak Republic.,Department of Anthropology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic
| | - Ľudevít Kádasi
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic.,Biomedical Research Center Slovak Academy of Sciences, Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovak Republic
| | - Radoslav Beňuš
- Department of Anthropology, Faculty of Natural Sciences, Comenius University, Mlynska Dolina, Ilkovicova 6, Bratislava 842 15, Slovak Republic
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19
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Slon V, Viola B, Renaud G, Gansauge MT, Benazzi S, Sawyer S, Hublin JJ, Shunkov MV, Derevianko AP, Kelso J, Prüfer K, Meyer M, Pääbo S. A fourth Denisovan individual. SCIENCE ADVANCES 2017; 3:e1700186. [PMID: 28695206 PMCID: PMC5501502 DOI: 10.1126/sciadv.1700186] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 06/01/2017] [Indexed: 06/07/2023]
Abstract
The presence of Neandertals in Europe and Western Eurasia before the arrival of anatomically modern humans is well supported by archaeological and paleontological data. In contrast, fossil evidence for Denisovans, a sister group of Neandertals recently identified on the basis of DNA sequences, is limited to three specimens, all of which originate from Denisova Cave in the Altai Mountains (Siberia, Russia). We report the retrieval of DNA from a deciduous lower second molar (Denisova 2), discovered in a deep stratigraphic layer in Denisova Cave, and show that this tooth comes from a female Denisovan individual. On the basis of the number of "missing substitutions" in the mitochondrial DNA determined from the specimen, we find that Denisova 2 is substantially older than two of the other Denisovans, reinforcing the view that Denisovans were likely to have been present in the vicinity of Denisova Cave over an extended time period. We show that the level of nuclear DNA sequence diversity found among Denisovans is within the lower range of that of present-day human populations.
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Affiliation(s)
- Viviane Slon
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Bence Viola
- Department of Anthropology, University of Toronto, M5S 2S2 Toronto, Ontario, Canada
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
- Institute of Archaeology and Ethnography, Russian Academy of Sciences, Siberian Branch, Novosibirsk RU-630090, Russia
| | - Gabriel Renaud
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Marie-Theres Gansauge
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Stefano Benazzi
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
- Department of Cultural Heritage, University of Bologna, 48121 Ravenna, Italy
| | - Susanna Sawyer
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Jean-Jacques Hublin
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Michael V. Shunkov
- Institute of Archaeology and Ethnography, Russian Academy of Sciences, Siberian Branch, Novosibirsk RU-630090, Russia
- Novosibirsk National Research State University, Novosibirsk RU-630090, Russia
| | - Anatoly P. Derevianko
- Institute of Archaeology and Ethnography, Russian Academy of Sciences, Siberian Branch, Novosibirsk RU-630090, Russia
- Altai State University, Barnaul RU-656049, Russia
| | - Janet Kelso
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Kay Prüfer
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Matthias Meyer
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
| | - Svante Pääbo
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, D-04103 Leipzig, Germany
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20
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Hernández CL, Dugoujon JM, Novelletto A, Rodríguez JN, Cuesta P, Calderón R. The distribution of mitochondrial DNA haplogroup H in southern Iberia indicates ancient human genetic exchanges along the western edge of the Mediterranean. BMC Genet 2017; 18:46. [PMID: 28525980 PMCID: PMC5437654 DOI: 10.1186/s12863-017-0514-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 05/11/2017] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The structure of haplogroup H reveals significant differences between the western and eastern edges of the Mediterranean, as well as between the northern and southern regions. Human populations along the westernmost Mediterranean coasts, which were settled by individuals from two continents separated by a relatively narrow body of water, show the highest frequencies of mitochondrial haplogroup H. These characteristics permit the analysis of ancient migrations between both shores, which may have occurred via primitive sea crafts and early seafaring. We collected a sample of 750 autochthonous people from the southern Iberian Peninsula (Andalusians from Huelva and Granada provinces). We performed a high-resolution analysis of haplogroup H by control region sequencing and coding SNP screening of the 337 individuals harboring this maternal marker. Our results were compared with those of a wide panel of populations, including individuals from Iberia, the Maghreb, and other regions around the Mediterranean, collected from the literature. RESULTS Both Andalusian subpopulations showed a typical western European profile for the internal composition of clade H, but eastern Andalusians from Granada also revealed interesting traces from the eastern Mediterranean. The basal nodes of the most frequent H sub-haplogroups, H1 and H3, harbored many individuals of Iberian and Maghrebian origins. Derived haplotypes were found in both regions; haplotypes were shared far more frequently between Andalusia and Morocco than between Andalusia and the rest of the Maghreb. These and previous results indicate intense, ancient and sustained contact among populations on both sides of the Mediterranean. CONCLUSIONS Our genetic data on mtDNA diversity, combined with corresponding archaeological similarities, provide support for arguments favoring prehistoric bonds with a genetic legacy traceable in extant populations. Furthermore, the results presented here indicate that the Strait of Gibraltar and the adjacent Alboran Sea, which have often been assumed to be an insurmountable geographic barrier in prehistory, served as a frequently traveled route between continents.
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Affiliation(s)
- Candela L. Hernández
- Departamento de Zoología y Antropología Física, Facultad de Biología, Universidad Complutense, Madrid, Spain
| | - Jean M. Dugoujon
- CNRS UMR 5288 Laboratoire d’Anthropologie Moléculaire et d’Imagerie de Synthèse (AMIS), Université Paul Sabatier Toulouse III, Toulouse, France
| | | | | | - Pedro Cuesta
- Centro de Proceso de Datos, Universidad Complutense, Madrid, Spain
| | - Rosario Calderón
- Departamento de Zoología y Antropología Física, Facultad de Biología, Universidad Complutense, Madrid, Spain
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21
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Douka K, Slon V, Stringer C, Potts R, Hübner A, Meyer M, Spoor F, Pääbo S, Higham T. Direct radiocarbon dating and DNA analysis of the Darra-i-Kur (Afghanistan) human temporal bone. J Hum Evol 2017; 107:86-93. [PMID: 28526291 DOI: 10.1016/j.jhevol.2017.03.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 03/13/2017] [Accepted: 03/14/2017] [Indexed: 12/24/2022]
Abstract
The temporal bone discovered in the 1960s from the Darra-i-Kur cave in Afghanistan is often cited as one of the very few Pleistocene human fossils from Central Asia. Here we report the first direct radiocarbon date for the specimen and the genetic analyses of DNA extracted and sequenced from two areas of the bone. The new radiocarbon determination places the find to ∼4500 cal BP (∼2500 BCE) contradicting an assumed Palaeolithic age of ∼30,000 years, as originally suggested. The DNA retrieved from the specimen originates from a male individual who carried mitochondrial DNA of the modern human type. The petrous part yielded more endogenous ancient DNA molecules than the squamous part of the same bone. Molecular dating of the Darra-i-Kur mitochondrial DNA sequence corroborates the radiocarbon date and suggests that the specimen is younger than previously thought. Taken together, the results consolidate the fact that the human bone is not associated with the Pleistocene-age deposits of Darra-i-Kur; instead it is intrusive, possibly re-deposited from upper levels dating to much later periods (Neolithic). Despite its Holocene age, the Darra-i-Kur specimen is, so far, the first and only ancient human from Afghanistan whose DNA has been sequenced.
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Affiliation(s)
- Katerina Douka
- Oxford Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, OX1 3QY, United Kingdom.
| | - Viviane Slon
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Chris Stringer
- The Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom
| | - Richard Potts
- Human Origins Program, National Museum of Natural History, Smithsonian Institution, Washington, DC, 20560, USA
| | - Alexander Hübner
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Matthias Meyer
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Fred Spoor
- Research Department of Cell and Developmental Biology, University College London, London, UK; Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Svante Pääbo
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Tom Higham
- Oxford Radiocarbon Accelerator Unit, Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, OX1 3QY, United Kingdom
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22
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Juras A, Krzewińska M, Nikitin AG, Ehler E, Chyleński M, Łukasik S, Krenz-Niedbała M, Sinika V, Piontek J, Ivanova S, Dabert M, Götherström A. Diverse origin of mitochondrial lineages in Iron Age Black Sea Scythians. Sci Rep 2017; 7:43950. [PMID: 28266657 PMCID: PMC5339713 DOI: 10.1038/srep43950] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 01/31/2017] [Indexed: 12/27/2022] Open
Abstract
Scythians were nomadic and semi-nomadic people that ruled the Eurasian steppe during much of the first millennium BCE. While having been extensively studied by archaeology, very little is known about their genetic identity. To fill this gap, we analyzed ancient mitochondrial DNA (mtDNA) from Scythians of the North Pontic Region (NPR) and successfully retrieved 19 whole mtDNA genomes. We have identified three potential mtDNA lineage ancestries of the NPR Scythians tracing back to hunter-gatherer and nomadic populations of east and west Eurasia as well as the Neolithic farming expansion into Europe. One third of all mt lineages in our dataset belonged to subdivisions of mt haplogroup U5. A comparison of NPR Scythian mtDNA linages with other contemporaneous Scythian groups, the Saka and the Pazyryks, reveals a common mtDNA package comprised of haplogroups H/H5, U5a, A, D/D4, and F1/F2. Of these, west Eurasian lineages show a downward cline in the west-east direction while east Eurasian haplogroups display the opposite trajectory. An overall similarity in mtDNA lineages of the NPR Scythians was found with the late Bronze Age Srubnaya population of the Northern Black Sea region which supports the archaeological hypothesis suggesting Srubnaya people as ancestors of the NPR Scythians.
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Affiliation(s)
- Anna Juras
- Department of Human Evolutionary Biology, Institute of Anthropology, Faculty of Biology, Adam Mickiewicz University in Poznan, Umultowska 89, 61-614 Poznan, Poland
| | - Maja Krzewińska
- Department of Archaeology and Classical Studies, Stockholm University Wallenberglaboratoriet, SE-106 91 Stockholm, Sweden
| | - Alexey G Nikitin
- Biology Department, Grand Valley State University, 1 Campus Drive, Allendale, Michigan 49401, United States of America
| | - Edvard Ehler
- Department of Human Evolutionary Biology, Institute of Anthropology, Faculty of Biology, Adam Mickiewicz University in Poznan, Umultowska 89, 61-614 Poznan, Poland.,Department of Biology and Environmental Studies, Faculty of Education, Charles University in Prague, Magdalény Rettigové 4, 116 39, Prague, Czech Republic
| | - Maciej Chyleński
- Institute of Archaeology, Faculty of History, Adam Mickiewicz University in Poznan, Umultowska 89D, 61-614 Poznan, Poland
| | - Sylwia Łukasik
- Department of Human Evolutionary Biology, Institute of Anthropology, Faculty of Biology, Adam Mickiewicz University in Poznan, Umultowska 89, 61-614 Poznan, Poland
| | - Marta Krenz-Niedbała
- Department of Human Evolutionary Biology, Institute of Anthropology, Faculty of Biology, Adam Mickiewicz University in Poznan, Umultowska 89, 61-614 Poznan, Poland
| | - Vitaly Sinika
- Taras Shevchenko University in Tiraspol, Taras Shevchenko University in Tiraspol, October Street 25, 33-00 Tiraspol, Moldova
| | - Janusz Piontek
- Department of Human Evolutionary Biology, Institute of Anthropology, Faculty of Biology, Adam Mickiewicz University in Poznan, Umultowska 89, 61-614 Poznan, Poland
| | - Svetlana Ivanova
- Institute of Archaeology, National Academy of Sciences of Ukraine, Lanzheronivska Street, 65026, Odessa, Ukraine
| | - Miroslawa Dabert
- Molecular Biology Techniques Laboratory, Faculty of Biology, Adam Mickiewicz University in Poznan, Umultowska 89, 61-614 Poznan, Poland
| | - Anders Götherström
- Department of Archaeology and Classical Studies, Stockholm University Wallenberglaboratoriet, SE-106 91 Stockholm, Sweden
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23
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Phylogenetic and population-based approaches to mitogenome variation do not support association with male infertility. J Hum Genet 2016; 62:361-371. [PMID: 27904151 DOI: 10.1038/jhg.2016.130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 09/26/2016] [Accepted: 09/29/2016] [Indexed: 11/08/2022]
Abstract
Infertility has a complex multifactorial etiology and a high prevalence worldwide. Several studies have pointed to variation in the mitochondrial DNA (mtDNA) molecule as a factor responsible for the different disease phenotypes related to infertility. We analyzed 53 mitogenomes of infertile males from Galicia (northwest Spain), and these haplotypes were meta-analyzed phylogenetically with 43 previously reported from Portugal. Taking advantage of the large amount of information available, we additionally carried out association tests between patient mtDNA single-nucleotide polymorphisms (mtSNPs) and haplogroups against Iberian matched controls retrieved from The 1000 Genomes Project and the literature. Phylogenetic and association analyses did not reveal evidence of association between mtSNPs/haplogroups and infertility. Ratios and patterns in patients of nonsynonymous/synonymous changes, and variation at homoplasmic, heteroplasmic and private variants, fall within expected values for healthy individuals. Moreover, the haplogroup background of patients was variable and fits well with patterns typically observed in healthy western Europeans. We did not find evidence of association of mtSNPs or haplogroups pointing to a role for mtDNA in male infertility. A thorough review of the literature on mtDNA variation and infertility revealed contradictory findings and methodological and theoretical problems that overall undermine previous positive findings.
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24
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Turchi C, Stanciu F, Paselli G, Buscemi L, Parson W, Tagliabracci A. The mitochondrial DNA makeup of Romanians: A forensic mtDNA control region database and phylogenetic characterization. Forensic Sci Int Genet 2016; 24:136-142. [DOI: 10.1016/j.fsigen.2016.06.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 05/26/2016] [Accepted: 06/18/2016] [Indexed: 01/13/2023]
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25
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De Fanti S, Barbieri C, Sarno S, Sevini F, Vianello D, Tamm E, Metspalu E, van Oven M, Hübner A, Sazzini M, Franceschi C, Pettener D, Luiselli D. Fine Dissection of Human Mitochondrial DNA Haplogroup HV Lineages Reveals Paleolithic Signatures from European Glacial Refugia. PLoS One 2015; 10:e0144391. [PMID: 26640946 PMCID: PMC4671665 DOI: 10.1371/journal.pone.0144391] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 11/17/2015] [Indexed: 02/08/2023] Open
Abstract
Genetic signatures from the Paleolithic inhabitants of Eurasia can be traced from the early divergent mitochondrial DNA lineages still present in contemporary human populations. Previous studies already suggested a pre-Neolithic diffusion of mitochondrial haplogroup HV*(xH,V) lineages, a relatively rare class of mtDNA types that includes parallel branches mainly distributed across Europe and West Asia with a certain degree of structure. Up till now, variation within haplogroup HV was addressed mainly by analyzing sequence data from the mtDNA control region, except for specific sub-branches, such as HV4 or the widely distributed haplogroups H and V. In this study, we present a revised HV topology based on full mtDNA genome data, and we include a comprehensive dataset consisting of 316 complete mtDNA sequences including 60 new samples from the Italian peninsula, a previously underrepresented geographic area. We highlight points of instability in the particular topology of this haplogroup, reconstructed with BEAST-generated trees and networks. We also confirm a major lineage expansion that probably followed the Late Glacial Maximum and preceded Neolithic population movements. We finally observe that Italy harbors a reservoir of mtDNA diversity, with deep-rooting HV lineages often related to sequences present in the Caucasus and the Middle East. The resulting hypothesis of a glacial refugium in Southern Italy has implications for the understanding of late Paleolithic population movements and is discussed within the archaeological cultural shifts occurred over the entire continent.
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Affiliation(s)
- Sara De Fanti
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Chiara Barbieri
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
- * E-mail: (CB); (DL)
| | - Stefania Sarno
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Federica Sevini
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- C.I.G. Interdepartmental Centre L. Galvani for Integrated Studies on Bioinformatics, Biophysics and Biocomplexity, University of Bologna, Bologna, Italy
| | - Dario Vianello
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- C.I.G. Interdepartmental Centre L. Galvani for Integrated Studies on Bioinformatics, Biophysics and Biocomplexity, University of Bologna, Bologna, Italy
| | - Erika Tamm
- Estonian Biocentre, Evolutionary Biology group, Tartu, Estonia
- Department of Evolutionary Biology, University of Tartu, Tartu, Estonia
| | - Ene Metspalu
- Estonian Biocentre, Evolutionary Biology group, Tartu, Estonia
- Department of Evolutionary Biology, University of Tartu, Tartu, Estonia
| | - Mannis van Oven
- Estonian Biocentre, Evolutionary Biology group, Tartu, Estonia
- Department of Forensic Molecular Biology, Erasmus MC - University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Alexander Hübner
- Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Marco Sazzini
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Claudio Franceschi
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
- C.I.G. Interdepartmental Centre L. Galvani for Integrated Studies on Bioinformatics, Biophysics and Biocomplexity, University of Bologna, Bologna, Italy
- IRCCS, Institute of Neurological Sciences of Bologna, Ospedale Bellaria, Bologna, Italy
- CNR, Institute of Organic Synthesis and Photoreactivity (ISOF), Bologna, Italy
| | - Davide Pettener
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
| | - Donata Luiselli
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy
- * E-mail: (CB); (DL)
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26
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Chaitanya L, Ralf A, van Oven M, Kupiec T, Chang J, Lagacé R, Kayser M. Simultaneous Whole Mitochondrial Genome Sequencing with Short Overlapping Amplicons Suitable for Degraded DNA Using the Ion Torrent Personal Genome Machine. Hum Mutat 2015; 36:1236-47. [PMID: 26387877 PMCID: PMC5057296 DOI: 10.1002/humu.22905] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Accepted: 09/01/2015] [Indexed: 11/13/2022]
Abstract
Whole mitochondrial (mt) genome analysis enables a considerable increase in analysis throughput, and improves the discriminatory power to the maximum possible phylogenetic resolution. Most established protocols on the different massively parallel sequencing (MPS) platforms, however, invariably involve the PCR amplification of large fragments, typically several kilobases in size, which may fail due to mtDNA fragmentation in the available degraded materials. We introduce a MPS tiling approach for simultaneous whole human mt genome sequencing using 161 short overlapping amplicons (average 200 bp) with the Ion Torrent Personal Genome Machine. We illustrate the performance of this new method by sequencing 20 DNA samples belonging to different worldwide mtDNA haplogroups. Additional quality control, particularly regarding the potential detection of nuclear insertions of mtDNA (NUMTs), was performed by comparative MPS analysis using the conventional long-range amplification method. Preliminary sensitivity testing revealed that detailed haplogroup inference was feasible with 100 pg genomic input DNA. Complete mt genome coverage was achieved from DNA samples experimentally degraded down to genomic fragment sizes of about 220 bp, and up to 90% coverage from naturally degraded samples. Overall, we introduce a new approach for whole mt genome MPS analysis from degraded and nondegraded materials relevant to resolve and infer maternal genetic ancestry at complete resolution in anthropological, evolutionary, medical, and forensic applications.
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Affiliation(s)
- Lakshmi Chaitanya
- Department of Genetic IdentificationErasmus MC University Medical CenterRotterdamThe Netherlands
| | - Arwin Ralf
- Department of Genetic IdentificationErasmus MC University Medical CenterRotterdamThe Netherlands
| | - Mannis van Oven
- Department of Genetic IdentificationErasmus MC University Medical CenterRotterdamThe Netherlands
| | - Tomasz Kupiec
- Institute of Forensic ResearchSection of Forensic GeneticsKrakówPoland
| | - Joseph Chang
- Thermo Fisher ScientificSouth San FranciscoCalifornia, USA
| | - Robert Lagacé
- Thermo Fisher ScientificSouth San FranciscoCalifornia, USA
| | - Manfred Kayser
- Department of Genetic IdentificationErasmus MC University Medical CenterRotterdamThe Netherlands
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27
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Palanichamy MG, Mitra B, Zhang CL, Debnath M, Li GM, Wang HW, Agrawal S, Chaudhuri TK, Zhang YP. West Eurasian mtDNA lineages in India: an insight into the spread of the Dravidian language and the origins of the caste system. Hum Genet 2015; 134:637-47. [PMID: 25832481 DOI: 10.1007/s00439-015-1547-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 03/25/2015] [Indexed: 11/28/2022]
Abstract
There is no indication from the previous mtDNA studies that west Eurasian-specific subclades have evolved within India and played a role in the spread of languages and the origins of the caste system. To address these issues, we have screened 14,198 individuals (4208 from this study) and analyzed 112 mitogenomes (41 new sequences) to trace west Eurasian maternal ancestry. This has led to the identification of two autochthonous subhaplogroups--HV14a1 and U1a1a4, which are likely to have originated in the Dravidian-speaking populations approximately 10.5-17.9 thousand years ago (kya). The carriers of these maternal lineages might have settled in South India during the time of the spread of the Dravidian language. In addition to this, we have identified several subsets of autochthonous U7 lineages, including U7a1, U7a2b, U7a3, U7a6, U7a7, and U7c, which seem to have originated particularly in the higher-ranked caste populations in relatively recent times (2.6-8.0 kya with an average of 5.7 kya). These lineages have provided crucial clues to the differentiation of the caste system that has occurred during the recent past and possibly, this might have been influenced by the Indo-Aryan migration. The remaining west Eurasian lineages observed in the higher-ranked caste groups, like the Brahmins, were found to cluster with populations who possibly arrived from west Asia during more recent times.
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Affiliation(s)
- Malliya Gounder Palanichamy
- Laboratory for Conservation and Utilization of Bio-resources, Yunnan University, Kunming, 650 091, Yunnan, China,
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28
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Litvinov SS, Khusnutdinova EK. Current state of research in ethnogenomics: Genome-wide analysis and uniparental markers. RUSS J GENET+ 2015. [DOI: 10.1134/s1022795415040080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Ilyas M, Kim JS, Cooper J, Shin YA, Kim HM, Cho YS, Hwang S, Kim H, Moon J, Chung O, Jun J, Rastogi A, Song S, Ko J, Manica A, Rahman Z, Husnain T, Bhak J. Whole genome sequencing of an ethnic Pathan (Pakhtun) from the north-west of Pakistan. BMC Genomics 2015; 16:172. [PMID: 25887915 PMCID: PMC4362645 DOI: 10.1186/s12864-015-1290-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Accepted: 01/29/2015] [Indexed: 11/10/2022] Open
Abstract
Background Pakistan covers a key geographic area in human history, being both part of the Indus River region that acted as one of the cradles of civilization and as a link between Western Eurasia and Eastern Asia. This region is inhabited by a number of distinct ethnic groups, the largest being the Punjabi, Pathan (Pakhtuns), Sindhi, and Baloch. Results We analyzed the first ethnic male Pathan genome by sequencing it to 29.7-fold coverage using the Illumina HiSeq2000 platform. A total of 3.8 million single nucleotide variations (SNVs) and 0.5 million small indels were identified by comparing with the human reference genome. Among the SNVs, 129,441 were novel, and 10,315 nonsynonymous SNVs were found in 5,344 genes. SNVs were annotated for health consequences and high risk diseases, as well as possible influences on drug efficacy. We confirmed that the Pathan genome presented here is representative of this ethnic group by comparing it to a panel of Central Asians from the HGDP-CEPH panels typed for ~650 k SNPs. The mtDNA (H2) and Y haplogroup (L1) of this individual were also typical of his geographic region of origin. Finally, we reconstruct the demographic history by PSMC, which highlights a recent increase in effective population size compatible with admixture between European and Asian lineages expected in this geographic region. Conclusions We present a whole-genome sequence and analyses of an ethnic Pathan from the north-west province of Pakistan. It is a useful resource to understand genetic variation and human migration across the whole Asian continent. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-1290-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Muhammad Ilyas
- National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan. .,Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea.
| | - Jong-Soo Kim
- Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea.
| | - Jesse Cooper
- Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea.
| | - Young-Ah Shin
- Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea.
| | - Hak-Min Kim
- Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea. .,The Genomics Institute, Biomedical Engineering Department, UNIST, Ulsan, Republic of Korea.
| | - Yun Sung Cho
- Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea. .,The Genomics Institute, Biomedical Engineering Department, UNIST, Ulsan, Republic of Korea.
| | - Seungwoo Hwang
- Korean Bioinformation Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea.
| | - Hyunho Kim
- The Genomics Institute, Biomedical Engineering Department, UNIST, Ulsan, Republic of Korea.
| | - Jaewoo Moon
- Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea.
| | - Oksung Chung
- Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea.
| | - JeHoon Jun
- Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea.
| | - Achal Rastogi
- Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea.
| | - Sanghoon Song
- Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea.
| | - Junsu Ko
- Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea.
| | - Andrea Manica
- Department of Zoology, University of Cambridge, Downing Street, Cambridge, CB2 3EJ, UK.
| | - Ziaur Rahman
- National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.
| | - Tayyab Husnain
- National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.
| | - Jong Bhak
- Personal Genomics Institute, Genome Research Foundation, Suwon, Republic of Korea. .,Theragen Bio Institute, TheragenEtex, Suwon, Republic of Korea. .,The Genomics Institute, Biomedical Engineering Department, UNIST, Ulsan, Republic of Korea.
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30
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Alt KW, Knipper C, Peters D, Müller W, Maurer AF, Kollig I, Nicklisch N, Müller C, Karimnia S, Brandt G, Roth C, Rosner M, Mende B, Schöne BR, Vida T, von Freeden U. Lombards on the move--an integrative study of the migration period cemetery at Szólád, Hungary. PLoS One 2014; 9:e110793. [PMID: 25369022 PMCID: PMC4219681 DOI: 10.1371/journal.pone.0110793] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Accepted: 09/11/2014] [Indexed: 12/01/2022] Open
Abstract
In 2005 to 2007 45 skeletons of adults and subadults were excavated at the Lombard period cemetery at Szólád (6th century A.D.), Hungary. Embedded into the well-recorded historical context, the article presents the results obtained by an integrative investigation including anthropological, molecular genetic and isotopic (δ(15)N, δ(13)C, (87)Sr/(86)Sr) analyses. Skeletal stress markers as well as traces of interpersonal violence were found to occur frequently. The mitochondrial DNA profiles revealed a heterogeneous spectrum of lineages that belong to the haplogroups H, U, J, HV, T2, I, and K, which are common in present-day Europe and in the Near East, while N1a and N1b are today quite rare. Evidence of possible direct maternal kinship was identified in only three pairs of individuals. According to enamel strontium isotope ratios, at least 31% of the individuals died at a location other than their birthplace and/or had moved during childhood. Based on the peculiar 87 Sr/86 Sr ratio distribution between females, males, and subadults in comparison to local vegetation and soil samples, we propose a three-phase model of group movement. An initial patrilocal group with narrower male but wider female Sr isotope distribution settled at Szólád, whilst the majority of subadults represented in the cemetery yielded a distinct Sr isotope signature. Owing to the virtual absence of Szólád-born adults in the cemetery, we may conclude that the settlement was abandoned after approx. one generation. Population heterogeneity is furthermore supported by the carbon and nitrogen isotope data. They indicate that a group of high-ranking men had access to larger shares of animal-derived food whilst a few individuals consumed remarkable amounts of millet. The inferred dynamics of the burial community are in agreement with hypotheses of a highly mobile lifestyle during the Migration Period and a short-term occupation of Pannonia by Lombard settlers as conveyed by written sources.
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Affiliation(s)
- Kurt W. Alt
- Center for Natural and Cultural History of the Teeth, Danube Private University, Krems, Austria
- State Office for Heritage Management and Archaeology Saxony-Anhalt and State Museum of Prehistory, Halle, Germany
- Institute for Prehistory and Archaeological Science, Basel University, Basel, Switzerland
| | - Corina Knipper
- Curt Engelhorn Centre Archaeometry gGmbH, Mannheim, Germany
| | - Daniel Peters
- Institut für Prähistorische Archäologie, Freie Universität Berlin, Berlin, Germany
| | - Wolfgang Müller
- Department of Earth Sciences, Royal Holloway University of London, London, United Kingdom
| | | | - Isabelle Kollig
- State Office for Heritage Management and Archaeology Saxony-Anhalt and State Museum of Prehistory, Halle, Germany
| | - Nicole Nicklisch
- Center for Natural and Cultural History of the Teeth, Danube Private University, Krems, Austria
- State Office for Heritage Management and Archaeology Saxony-Anhalt and State Museum of Prehistory, Halle, Germany
- Institute for Prehistory and Archaeological Science, Basel University, Basel, Switzerland
| | | | - Sarah Karimnia
- Institute of Anthropology, University of Mainz, Mainz, Germany
| | - Guido Brandt
- Institute of Anthropology, University of Mainz, Mainz, Germany
| | - Christina Roth
- Institute of Anthropology, University of Mainz, Mainz, Germany
| | | | - Balász Mende
- Archaeological Institute, Research Centre for Humanities, Hungarian Academy of Sciences, Budapest, Hungary
| | - Bernd R. Schöne
- Institute of Geosciences, University of Mainz, Mainz, Germany
| | - Tivadar Vida
- Department of Prehistory and Protohistory, Eötvös Loránd University of Budapest, Budapest, Hungary
| | - Uta von Freeden
- German Archaeological Institute, Roman Germanic Commission, Frankfurt a. M., Germany
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31
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Ovchinnikov IV, Malek MJ, Drees K, Kholina OI. Mitochondrial DNA variation in Tajiks living in Tajikistan. Leg Med (Tokyo) 2014; 16:390-5. [DOI: 10.1016/j.legalmed.2014.07.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Revised: 07/31/2014] [Accepted: 07/31/2014] [Indexed: 11/27/2022]
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32
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Bodner M, Iuvaro A, Strobl C, Nagl S, Huber G, Pelotti S, Pettener D, Luiselli D, Parson W. Helena, the hidden beauty: Resolving the most common West Eurasian mtDNA control region haplotype by massively parallel sequencing an Italian population sample. Forensic Sci Int Genet 2014; 15:21-6. [PMID: 25303789 DOI: 10.1016/j.fsigen.2014.09.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 09/16/2014] [Indexed: 01/24/2023]
Abstract
The analysis of mitochondrial (mt)DNA is a powerful tool in forensic genetics when nuclear markers fail to give results or maternal relatedness is investigated. The mtDNA control region (CR) contains highly condensed variation and is therefore routinely typed. Some samples exhibit an identical haplotype in this restricted range. Thus, they convey only weak evidence in forensic queries and limited phylogenetic information. However, a CR match does not imply that also the mtDNA coding regions are identical or samples belong to the same phylogenetic lineage. This is especially the case for the most frequent West Eurasian CR haplotype 263G 315.1C 16519C, which is observed in various clades within haplogroup H and occurs at a frequency of 3-4% in many European populations. In this study, we investigated the power of massively parallel complete mtGenome sequencing in 29 Italian samples displaying the most common West Eurasian CR haplotype - and found an unexpected high diversity. Twenty-eight different haplotypes falling into 19 described sub-clades of haplogroup H were revealed in the samples with identical CR sequences. This study demonstrates the benefit of complete mtGenome sequencing for forensic applications to enforce maximum discrimination, more comprehensive heteroplasmy detection, as well as highest phylogenetic resolution.
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Affiliation(s)
- Martin Bodner
- Institute of Legal Medicine, Innsbruck Medical University, Innsbruck, Austria
| | - Alessandra Iuvaro
- Institute of Legal Medicine, Innsbruck Medical University, Innsbruck, Austria; Department of Medical and Surgical Sciences, Institute of Legal Medicine, University of Bologna, Bologna, Italy
| | - Christina Strobl
- Institute of Legal Medicine, Innsbruck Medical University, Innsbruck, Austria
| | - Simone Nagl
- Institute of Legal Medicine, Innsbruck Medical University, Innsbruck, Austria
| | - Gabriela Huber
- Institute of Legal Medicine, Innsbruck Medical University, Innsbruck, Austria
| | - Susi Pelotti
- Department of Medical and Surgical Sciences, Institute of Legal Medicine, University of Bologna, Bologna, Italy
| | - Davide Pettener
- Department of Biological, Geological and Environmental Science, Laboratory of Molecular Anthropology, University of Bologna, Bologna, Italy
| | - Donata Luiselli
- Department of Biological, Geological and Environmental Science, Laboratory of Molecular Anthropology, University of Bologna, Bologna, Italy.
| | - Walther Parson
- Institute of Legal Medicine, Innsbruck Medical University, Innsbruck, Austria; Penn State Eberly College of Science, University Park, PA, USA.
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33
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Sarac J, Sarić T, Auguštin DH, Jeran N, Kovačević L, Cvjetan S, Lewis AP, Metspalu E, Reidla M, Novokmet N, Vidovič M, Nevajda B, Glasnović A, Marjanović D, Missoni S, Villems R, Rudan P. Maternal genetic heritage of Southeastern Europe reveals a new Croatian isolate and a novel, local sub-branching in the x2 haplogroup. Ann Hum Genet 2014; 78:178-94. [PMID: 24621318 DOI: 10.1111/ahg.12056] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Accepted: 12/30/2013] [Indexed: 11/29/2022]
Abstract
High mtDNA variation in Southeastern Europe (SEE) is a reflection of the turbulent and complex demographic history of this area, influenced by gene flow from various parts of Eurasia and a long history of intermixing. Our results of 1035 samples (488 from Croatia, 239 from Bosnia and 130 from Herzegovina, reported earlier, and 97 Slovenians and 81 individuals from Žumberak, reported here for the first time) show that the SEE maternal genetic diversity fits within a broader European maternal genetic landscape. The study also shows that the population of Žumberak, located in the continental part of Croatia, developed some unique mtDNA haplotypes and elevated haplogroup frequencies due to distinctive demographic history and can be considered a moderate genetic isolate. We also report seven samples from the Bosnian population and one Herzegovinian sample designated as X2* individuals that could not be assigned to any of its sublineages (X2a'o) according to the existing X2 phylogeny. In an attempt to clarify the phylogeny of our X2 samples, their mitochondrial DNA has been completely sequenced. We suppose that these lineages are signs of local microdifferentiation processes that occurred in the recent demographic past in this area and could possibly be marked as SEE-specific X2 sublineages.
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Affiliation(s)
- Jelena Sarac
- Institute for Anthropological Research, 10000 Zagreb, Croatia
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34
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Santos C, Fregel R, Cabrera VM, Álvarez L, Larruga JM, Ramos A, López MA, Pilar Aluja M, González AM. Mitochondrial DNA and Y-chromosome structure at the mediterranean and atlantic façades of the iberian peninsula. Am J Hum Biol 2013; 26:130-41. [DOI: 10.1002/ajhb.22497] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 10/31/2013] [Accepted: 12/07/2013] [Indexed: 01/24/2023] Open
Affiliation(s)
- Cristina Santos
- Unitat Antropologia Biològica; Departament de Biologia Animal, Biologia Vegetal i Ecologia, Universitat Autònoma de Barcelona; 08193 Bellaterra Barcelona Spain
| | - Rosa Fregel
- Department of Genetics; University of La Laguna; 38271 Tenerife Canary Islands Spain
| | - Vicente M. Cabrera
- Department of Genetics; University of La Laguna; 38271 Tenerife Canary Islands Spain
| | - Luis Álvarez
- Unitat Antropologia Biològica; Departament de Biologia Animal, Biologia Vegetal i Ecologia, Universitat Autònoma de Barcelona; 08193 Bellaterra Barcelona Spain
- IPATIMUP; Institute of Molecular Pathology and Immunology of the University of Porto; 4200-465 Porto Portugal
| | - Jose M. Larruga
- Department of Genetics; University of La Laguna; 38271 Tenerife Canary Islands Spain
| | - Amanda Ramos
- Unitat Antropologia Biològica; Departament de Biologia Animal, Biologia Vegetal i Ecologia, Universitat Autònoma de Barcelona; 08193 Bellaterra Barcelona Spain
- Centre of Research in Natural Resources (CIRN), Department of Biology; University of the Azores; 9500-321 Ponta Delgada Portugal
- Molecular and Cellular Biology Institute (IBMC); University of Porto; 4150-180 Porto Portugal
| | - Miguel A. López
- Clinical Management and Biotechnology Unit; Torre Cárdena Hospital; 04008 Almería Spain
| | - María Pilar Aluja
- Unitat Antropologia Biològica; Departament de Biologia Animal, Biologia Vegetal i Ecologia, Universitat Autònoma de Barcelona; 08193 Bellaterra Barcelona Spain
| | - Ana M. González
- Department of Genetics; University of La Laguna; 38271 Tenerife Canary Islands Spain
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35
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Brotherton P, Haak W, Templeton J, Brandt G, Soubrier J, Jane Adler C, Richards SM, Der Sarkissian C, Ganslmeier R, Friederich S, Dresely V, van Oven M, Kenyon R, Van der Hoek MB, Korlach J, Luong K, Ho SYW, Quintana-Murci L, Behar DM, Meller H, Alt KW, Cooper A. Neolithic mitochondrial haplogroup H genomes and the genetic origins of Europeans. Nat Commun 2013; 4:1764. [PMID: 23612305 DOI: 10.1038/ncomms2656] [Citation(s) in RCA: 156] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Accepted: 02/27/2013] [Indexed: 11/09/2022] Open
Abstract
Haplogroup H dominates present-day Western European mitochondrial DNA variability (>40%), yet was less common (~19%) among Early Neolithic farmers (~5450 BC) and virtually absent in Mesolithic hunter-gatherers. Here we investigate this major component of the maternal population history of modern Europeans and sequence 39 complete haplogroup H mitochondrial genomes from ancient human remains. We then compare this 'real-time' genetic data with cultural changes taking place between the Early Neolithic (~5450 BC) and Bronze Age (~2200 BC) in Central Europe. Our results reveal that the current diversity and distribution of haplogroup H were largely established by the Mid Neolithic (~4000 BC), but with substantial genetic contributions from subsequent pan-European cultures such as the Bell Beakers expanding out of Iberia in the Late Neolithic (~2800 BC). Dated haplogroup H genomes allow us to reconstruct the recent evolutionary history of haplogroup H and reveal a mutation rate 45% higher than current estimates for human mitochondria.
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Affiliation(s)
- Paul Brotherton
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia.,Archaeogenetics Research Group, School of Applied Sciences, University of Huddersfield, Queensgate, Huddersfield HD1 3DH, UK
| | - Wolfgang Haak
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Jennifer Templeton
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Guido Brandt
- Institute of Anthropology, Colonel-Kleinmann Weg 2, Johannes Gutenberg University, Mainz, D-55128 Mainz, Germany
| | - Julien Soubrier
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Christina Jane Adler
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Stephen M Richards
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Clio Der Sarkissian
- The Australian Centre for Ancient DNA, University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Robert Ganslmeier
- State Office for Heritage Management and Archaeology Saxony-Anhalt / State Museum for Prehistory Halle, Richard-Wagner-Straße 9, D-06114 Halle/Saale, Germany
| | - Susanne Friederich
- State Office for Heritage Management and Archaeology Saxony-Anhalt / State Museum for Prehistory Halle, Richard-Wagner-Straße 9, D-06114 Halle/Saale, Germany
| | - Veit Dresely
- State Office for Heritage Management and Archaeology Saxony-Anhalt / State Museum for Prehistory Halle, Richard-Wagner-Straße 9, D-06114 Halle/Saale, Germany
| | - Mannis van Oven
- Department of Forensic Molecular Biology, Erasmus MC, University Medical Centre, Rotterdam, 3000 CA Rotterdam, The Netherlands
| | | | | | | | | | - Simon Y W Ho
- School of Biological Sciences, The University of Sydney, New South Wales 2006, Australia
| | | | | | - Harald Meller
- State Office for Heritage Management and Archaeology Saxony-Anhalt / State Museum for Prehistory Halle, Richard-Wagner-Straße 9, D-06114 Halle/Saale, Germany
| | - Kurt W Alt
- Institute of Anthropology, Colonel-Kleinmann Weg 2, Johannes Gutenberg University, Mainz, D-55128 Mainz, Germany
| | - Alan Cooper
- Institute of Anthropology, Colonel-Kleinmann Weg 2, Johannes Gutenberg University, Mainz, D-55128 Mainz, Germany
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36
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Derenko M, Malyarchuk B, Bahmanimehr A, Denisova G, Perkova M, Farjadian S, Yepiskoposyan L. Complete mitochondrial DNA diversity in Iranians. PLoS One 2013; 8:e80673. [PMID: 24244704 PMCID: PMC3828245 DOI: 10.1371/journal.pone.0080673] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2013] [Accepted: 10/07/2013] [Indexed: 11/19/2022] Open
Abstract
Due to its pivotal geographical location and proximity to transcontinental migratory routes, Iran has played a key role in subsequent migrations, both prehistoric and historic, between Africa, Asia and Europe. To shed light on the genetic structure of the Iranian population as well as on the expansion patterns and population movements which affected this region, the complete mitochondrial genomes of 352 Iranians were obtained. All Iranian populations studied here exhibit similarly high diversity values comparable to the other groups from the Caucasus, Anatolia and Europe. The results of AMOVA and MDS analyses did not associate any regional and/or linguistic group of populations in the Anatolia/Caucasus and Iran region pointing to close genetic positions of Persians and Qashqais to each other and to Armenians, and Azeris from Iran to Georgians. By reconstructing the complete mtDNA phylogeny of haplogroups R2, N3, U1, U3, U5a1g, U7, H13, HV2, HV12, M5a and C5c we have found a previously unexplored genetic connection between the studied Iranian populations and the Arabian Peninsula, India, Near East and Europe, likely the result of both ancient and recent gene flow. Our results for Persians and Qashqais point to a continuous increase of the population sizes from ∼24 kya to the present, although the phase between 14-24 kya is thought to be hyperarid according to the Gulf Oasis model. Since this would have affected hunter-gatherer ranges and mobility patterns and forced them to increasingly rely on coastal resources, this transition can explain the human expansion across the Persian Gulf region.
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Affiliation(s)
- Miroslava Derenko
- Institute of Biological Problems of the North, Russian Academy of Sciences, Magadan, Russia
- * E-mail:
| | - Boris Malyarchuk
- Institute of Biological Problems of the North, Russian Academy of Sciences, Magadan, Russia
| | - Ardeshir Bahmanimehr
- Institute of Molecular Biology, National Academy of Sciences of Armenia, Yerevan, Armenia
| | - Galina Denisova
- Institute of Biological Problems of the North, Russian Academy of Sciences, Magadan, Russia
| | - Maria Perkova
- Institute of Biological Problems of the North, Russian Academy of Sciences, Magadan, Russia
| | - Shirin Farjadian
- Immunology Department, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Levon Yepiskoposyan
- Institute of Molecular Biology, National Academy of Sciences of Armenia, Yerevan, Armenia
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37
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Gómez P, Gómez J, Corao AI, De Canga J, Coto E. Effect of mitochondrial,APOE. ACEandNOS3gene polymorphisms on cardiovascular risk factors among theVaqueiros de Alzada, a Northern Spain human isolate. Ann Hum Biol 2013; 41:94-7. [DOI: 10.3109/03014460.2013.827738] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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38
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Isaacs S, Geduld-Ullah T, Benjeddou M. Reconstruction of major maternal and paternal lineages of the Cape Muslim population. Genet Mol Biol 2013; 36:167-76. [PMID: 23885197 PMCID: PMC3715281 DOI: 10.1590/s1415-47572013005000019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 03/12/2013] [Indexed: 11/28/2022] Open
Abstract
The earliest Cape Muslims were brought to the Cape (Cape Town - South Africa) from Africa and Asia from 1652 to 1834. They were part of an involuntary migration of slaves, political prisoners and convicts, and they contributed to the ethnic diversity of the present Cape Muslim population of South Africa. The history of the Cape Muslims has been well documented and researched however no in-depth genetic studies have been undertaken. The aim of the present study was to determine the respective African, Asian and European contributions to the mtDNA (maternal) and Y-chromosomal (paternal) gene pool of the Cape Muslim population, by analyzing DNA samples of 100 unrelated Muslim males born in the Cape Metropolitan area. A panel of six mtDNA and eight Y-chromosome SNP markers were screened using polymerase chain reaction-restriction fragment length polymorphisms (PCR-RFLP). Overall admixture estimates for the maternal line indicated Asian (0.4168) and African mtDNA (0.4005) as the main contributors. The admixture estimates for the paternal line, however, showed a predominance of the Asian contribution (0.7852). The findings are in accordance with historical data on the origins of the early Cape Muslims.
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Affiliation(s)
- Shafieka Isaacs
- Department of Biotechnology, University of the Western Cape, Bellville, Cape Town, South Africa
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39
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Fedorova SA, Reidla M, Metspalu E, Metspalu M, Rootsi S, Tambets K, Trofimova N, Zhadanov SI, Kashani BH, Olivieri A, Voevoda MI, Osipova LP, Platonov FA, Tomsky MI, Khusnutdinova EK, Torroni A, Villems R. Autosomal and uniparental portraits of the native populations of Sakha (Yakutia): implications for the peopling of Northeast Eurasia. BMC Evol Biol 2013; 13:127. [PMID: 23782551 PMCID: PMC3695835 DOI: 10.1186/1471-2148-13-127] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Accepted: 06/10/2013] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Sakha--an area connecting South and Northeast Siberia--is significant for understanding the history of peopling of Northeast Eurasia and the Americas. Previous studies have shown a genetic contiguity between Siberia and East Asia and the key role of South Siberia in the colonization of Siberia. RESULTS We report the results of a high-resolution phylogenetic analysis of 701 mtDNAs and 318 Y chromosomes from five native populations of Sakha (Yakuts, Evenks, Evens, Yukaghirs and Dolgans) and of the analysis of more than 500,000 autosomal SNPs of 758 individuals from 55 populations, including 40 previously unpublished samples from Siberia. Phylogenetically terminal clades of East Asian mtDNA haplogroups C and D and Y-chromosome haplogroups N1c, N1b and C3, constituting the core of the gene pool of the native populations from Sakha, connect Sakha and South Siberia. Analysis of autosomal SNP data confirms the genetic continuity between Sakha and South Siberia. Maternal lineages D5a2a2, C4a1c, C4a2, C5b1b and the Yakut-specific STR sub-clade of Y-chromosome haplogroup N1c can be linked to a migration of Yakut ancestors, while the paternal lineage C3c was most likely carried to Sakha by the expansion of the Tungusic people. MtDNA haplogroups Z1a1b and Z1a3, present in Yukaghirs, Evens and Dolgans, show traces of different and probably more ancient migration(s). Analysis of both haploid loci and autosomal SNP data revealed only minor genetic components shared between Sakha and the extreme Northeast Siberia. Although the major part of West Eurasian maternal and paternal lineages in Sakha could originate from recent admixture with East Europeans, mtDNA haplogroups H8, H20a and HV1a1a, as well as Y-chromosome haplogroup J, more probably reflect an ancient gene flow from West Eurasia through Central Asia and South Siberia. CONCLUSIONS Our high-resolution phylogenetic dissection of mtDNA and Y-chromosome haplogroups as well as analysis of autosomal SNP data suggests that Sakha was colonized by repeated expansions from South Siberia with minor gene flow from the Lower Amur/Southern Okhotsk region and/or Kamchatka. The minor West Eurasian component in Sakha attests to both recent and ongoing admixture with East Europeans and an ancient gene flow from West Eurasia.
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Affiliation(s)
- Sardana A Fedorova
- Department of Molecular Genetics, Yakut Research Center of Complex Medical Problems, Russian Academy of Medical Sciences and North-Eastern Federal University, Yakutsk, Russia
- Department of Evolutionary Biology, University of Tartu, Tartu, Estonia
| | - Maere Reidla
- Department of Evolutionary Biology, University of Tartu, Tartu, Estonia
| | - Ene Metspalu
- Department of Evolutionary Biology, University of Tartu, Tartu, Estonia
| | | | | | | | - Natalya Trofimova
- Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, Ufa, Russia
| | - Sergey I Zhadanov
- Department of Anthropology, University of Pennsylvania, Philadelphia, USA
| | | | - Anna Olivieri
- Dipartimento di Biologia e Biotecnologie, Università di Pavia, Pavia, Italy
| | - Mikhail I Voevoda
- Institute of Internal Medicine, Siberian Branch of Russian Academy of Medical Sciences, Novosibirsk, Russia
| | - Ludmila P Osipova
- Institute of Genetics and Cytology, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
| | - Fedor A Platonov
- Institute of Health, North-East Federal University, Yakutsk, Russia
| | - Mikhail I Tomsky
- Department of Molecular Genetics, Yakut Research Center of Complex Medical Problems, Russian Academy of Medical Sciences and North-Eastern Federal University, Yakutsk, Russia
| | - Elza K Khusnutdinova
- Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, Ufa, Russia
- Department of Genetics and Fundamental Medicine, Bashkir State University, Ufa, Russia
| | - Antonio Torroni
- Dipartimento di Biologia e Biotecnologie, Università di Pavia, Pavia, Italy
| | - Richard Villems
- Department of Evolutionary Biology, University of Tartu, Tartu, Estonia
- Estonian Biocentre, Tartu, Estonia
- Estonian Academy of Sciences, Tallinn, Estonia
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40
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Kushniarevich A, Sivitskaya L, Danilenko N, Novogrodskii T, Tsybovsky I, Kiseleva A, Kotova S, Chaubey G, Metspalu E, Sahakyan H, Bahmanimehr A, Reidla M, Rootsi S, Parik J, Reisberg T, Achilli A, Hooshiar Kashani B, Gandini F, Olivieri A, Behar DM, Torroni A, Davydenko O, Villems R. Uniparental genetic heritage of belarusians: encounter of rare middle eastern matrilineages with a central European mitochondrial DNA pool. PLoS One 2013; 8:e66499. [PMID: 23785503 PMCID: PMC3681942 DOI: 10.1371/journal.pone.0066499] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 05/06/2013] [Indexed: 11/19/2022] Open
Abstract
Ethnic Belarusians make up more than 80% of the nine and half million people inhabiting the Republic of Belarus. Belarusians together with Ukrainians and Russians represent the East Slavic linguistic group, largest both in numbers and territory, inhabiting East Europe alongside Baltic-, Finno-Permic- and Turkic-speaking people. Till date, only a limited number of low resolution genetic studies have been performed on this population. Therefore, with the phylogeographic analysis of 565 Y-chromosomes and 267 mitochondrial DNAs from six well covered geographic sub-regions of Belarus we strove to complement the existing genetic profile of eastern Europeans. Our results reveal that around 80% of the paternal Belarusian gene pool is composed of R1a, I2a and N1c Y-chromosome haplogroups – a profile which is very similar to the two other eastern European populations – Ukrainians and Russians. The maternal Belarusian gene pool encompasses a full range of West Eurasian haplogroups and agrees well with the genetic structure of central-east European populations. Our data attest that latitudinal gradients characterize the variation of the uniparentally transmitted gene pools of modern Belarusians. In particular, the Y-chromosome reflects movements of people in central-east Europe, starting probably as early as the beginning of the Holocene. Furthermore, the matrilineal legacy of Belarusians retains two rare mitochondrial DNA haplogroups, N1a3 and N3, whose phylogeographies were explored in detail after de novo sequencing of 20 and 13 complete mitogenomes, respectively, from all over Eurasia. Our phylogeographic analyses reveal that two mitochondrial DNA lineages, N3 and N1a3, both of Middle Eastern origin, might mark distinct events of matrilineal gene flow to Europe: during the mid-Holocene period and around the Pleistocene-Holocene transition, respectively.
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Melton PE, Baldi NF, Barrantes R, Crawford MH. Microevolution, migration, and the population structure of five Amerindian populations from Nicaragua and Costa Rica. Am J Hum Biol 2013; 25:480-90. [PMID: 23559443 DOI: 10.1002/ajhb.22382] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2012] [Revised: 01/22/2013] [Accepted: 01/23/2013] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE This research examines the coevolution of languages and uniparental genetic marker (mitochondrial DNA [mtDNA] and nonrecombining Y-chromosome [NRY]) variation within five Lower Central American (Rama, Chorotega, Maléku, Zapatón-Huetar, and Abrojo-Guaymí) Amerindian groups. This pattern occurred since European contact. METHODS We examined mtDNA sequence variation from the hypervariable region 1 (HVS-1) and NRY genetic variation using short tandem repeat (STR) loci (DYS19, DYS389I, DYS389II, DYS390, DYS391, DYS392, DYS393, and DYS439) and NRY haplogroups (Q1a3a, Q1a3*, C3b, R1b1b2, E1b1, G2a2, and I) identified through single-nucleotide polymorphisms. Phylogenetic analysis included multidimensional scaling (MDS), heterozygosity versus rii , and analysis of molecular variance (AMOVA). RESULTS Eighteen mtDNA haplotypes were characterized in 131 participants with 94.6% of these assigned to the Amerindian mtDNA subclades, A2 and B2. The Amerindian NRY haplogroup, Q1a3a, was present in all five groups and ranged from 85% (Zapatón-Huetar) to 35% (Chorotega). Four populations (Rama, Chorotega, Zapatón-Huetar, and Abrojo-Guaymí) were also characterized by the presence of NRY haplogroup R1b1b2 indicative of western European admixture. Seventy NRY STR haplotypes were identified of which 69 (97%) were population specific. MDS plots demonstrated genetic similarities between Mesoamericans and northern Chibchan Amerindian populations, absent in mtDNA analyses, which is further supported by heterozygosity versus rii results. CONCLUSIONS We conclude that although these linguistically related populations in geographic proximity demonstrate a high degree of paternal genetic differentiation, recent demographic events have dramatically altered the paternal genetic structure of the regions Amerindian populations.
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Affiliation(s)
- Phillip E Melton
- Centre for Genetic Origins of Health and Disease, University of Western Australia, Crawley, Australia.
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Bekada A, Fregel R, Cabrera VM, Larruga JM, Pestano J, Benhamamouch S, González AM. Introducing the Algerian mitochondrial DNA and Y-chromosome profiles into the North African landscape. PLoS One 2013; 8:e56775. [PMID: 23431392 PMCID: PMC3576335 DOI: 10.1371/journal.pone.0056775] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Accepted: 01/15/2013] [Indexed: 11/18/2022] Open
Abstract
North Africa is considered a distinct geographic and ethnic entity within Africa. Although modern humans originated in this Continent, studies of mitochondrial DNA (mtDNA) and Y-chromosome genealogical markers provide evidence that the North African gene pool has been shaped by the back-migration of several Eurasian lineages in Paleolithic and Neolithic times. More recent influences from sub-Saharan Africa and Mediterranean Europe are also evident. The presence of East-West and North-South haplogroup frequency gradients strongly reinforces the genetic complexity of this region. However, this genetic scenario is beset with a notable gap, which is the lack of consistent information for Algeria, the largest country in the Maghreb. To fill this gap, we analyzed a sample of 240 unrelated subjects from a northwest Algeria cosmopolitan population using mtDNA sequences and Y-chromosome biallelic polymorphisms, focusing on the fine dissection of haplogroups E and R, which are the most prevalent in North Africa and Europe respectively. The Eurasian component in Algeria reached 80% for mtDNA and 90% for Y-chromosome. However, within them, the North African genetic component for mtDNA (U6 and M1; 20%) is significantly smaller than the paternal (E-M81 and E-V65; 70%). The unexpected presence of the European-derived Y-chromosome lineages R-M412, R-S116, R-U152 and R-M529 in Algeria and the rest of the Maghreb could be the counterparts of the mtDNA H1, H3 and V subgroups, pointing to direct maritime contacts between the European and North African sides of the western Mediterranean. Female influx of sub-Saharan Africans into Algeria (20%) is also significantly greater than the male (10%). In spite of these sexual asymmetries, the Algerian uniparental profiles faithfully correlate between each other and with the geography.
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Affiliation(s)
- Asmahan Bekada
- Department of Biotechnology, Faculty of Sciences, University of Oran, Oran, Algeria
| | - Rosa Fregel
- Department of Genetics, Faculty of Biology, University of La Laguna, La Laguna, Tenerife, Spain
- Department of Genetics, Faculty of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Gran Canaria, Spain
- Forensic Genetics Laboratory, Institute of Legal Medicine of Las Palmas, Las Palmas de Gran Canaria, Gran Canaria, Spain
| | - Vicente M. Cabrera
- Department of Genetics, Faculty of Biology, University of La Laguna, La Laguna, Tenerife, Spain
| | - José M. Larruga
- Department of Genetics, Faculty of Biology, University of La Laguna, La Laguna, Tenerife, Spain
| | - José Pestano
- Department of Genetics, Faculty of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Gran Canaria, Spain
- Forensic Genetics Laboratory, Institute of Legal Medicine of Las Palmas, Las Palmas de Gran Canaria, Gran Canaria, Spain
| | - Soraya Benhamamouch
- Department of Biotechnology, Faculty of Sciences, University of Oran, Oran, Algeria
| | - Ana M. González
- Department of Genetics, Faculty of Biology, University of La Laguna, La Laguna, Tenerife, Spain
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Der Sarkissian C, Balanovsky O, Brandt G, Khartanovich V, Buzhilova A, Koshel S, Zaporozhchenko V, Gronenborn D, Moiseyev V, Kolpakov E, Shumkin V, Alt KW, Balanovska E, Cooper A, Haak W. Ancient DNA reveals prehistoric gene-flow from siberia in the complex human population history of North East Europe. PLoS Genet 2013; 9:e1003296. [PMID: 23459685 PMCID: PMC3573127 DOI: 10.1371/journal.pgen.1003296] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Accepted: 12/18/2012] [Indexed: 11/25/2022] Open
Abstract
North East Europe harbors a high diversity of cultures and languages, suggesting a complex genetic history. Archaeological, anthropological, and genetic research has revealed a series of influences from Western and Eastern Eurasia in the past. While genetic data from modern-day populations is commonly used to make inferences about their origins and past migrations, ancient DNA provides a powerful test of such hypotheses by giving a snapshot of the past genetic diversity. In order to better understand the dynamics that have shaped the gene pool of North East Europeans, we generated and analyzed 34 mitochondrial genotypes from the skeletal remains of three archaeological sites in northwest Russia. These sites were dated to the Mesolithic and the Early Metal Age (7,500 and 3,500 uncalibrated years Before Present). We applied a suite of population genetic analyses (principal component analysis, genetic distance mapping, haplotype sharing analyses) and compared past demographic models through coalescent simulations using Bayesian Serial SimCoal and Approximate Bayesian Computation. Comparisons of genetic data from ancient and modern-day populations revealed significant changes in the mitochondrial makeup of North East Europeans through time. Mesolithic foragers showed high frequencies and diversity of haplogroups U (U2e, U4, U5a), a pattern observed previously in European hunter-gatherers from Iberia to Scandinavia. In contrast, the presence of mitochondrial DNA haplogroups C, D, and Z in Early Metal Age individuals suggested discontinuity with Mesolithic hunter-gatherers and genetic influx from central/eastern Siberia. We identified remarkable genetic dissimilarities between prehistoric and modern-day North East Europeans/Saami, which suggests an important role of post-Mesolithic migrations from Western Europe and subsequent population replacement/extinctions. This work demonstrates how ancient DNA can improve our understanding of human population movements across Eurasia. It contributes to the description of the spatio-temporal distribution of mitochondrial diversity and will be of significance for future reconstructions of the history of Europeans. The history of human populations can be retraced by studying the archaeological and anthropological record, but also by examining the current distribution of genetic markers, such as the maternally inherited mitochondrial DNA. Ancient DNA research allows the retrieval of DNA from ancient skeletal remains and contributes to the reconstruction of the human population history through the comparison of ancient and present-day genetic data. Here, we analysed the mitochondrial DNA of prehistoric remains from archaeological sites dated to 7,500 and 3,500 years Before Present. These sites are located in North East Europe, a region that displays a significant cultural and linguistic diversity today but for which no ancient human DNA was available before. We show that prehistoric hunter-gatherers of North East Europe were genetically similar to other European foragers. We also detected a prehistoric genetic input from Siberia, followed by migrations from Western Europe into North East Europe. Our research contributes to the understanding of the origins and past dynamics of human population in Europe.
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Affiliation(s)
- Clio Der Sarkissian
- Australian Centre for Ancient DNA, School of Earth and Environmental Sciences, University of Adelaide, Adelaide, South Australia, Australia
- * E-mail:
| | - Oleg Balanovsky
- Research Centre for Medical Genetics, Russian Academy of Medical Sciences, Moscow, Russia
- Vavilov Institute for General Genetics, Russian Academy of Sciences, Moscow, Russia
| | - Guido Brandt
- Institute of Anthropology, Johannes Gutenberg University of Mainz, Mainz, Germany
| | | | | | - Sergey Koshel
- Faculty of Geography, Moscow State University, Moscow, Russia
| | - Valery Zaporozhchenko
- Research Centre for Medical Genetics, Russian Academy of Medical Sciences, Moscow, Russia
| | | | | | - Eugen Kolpakov
- Institute for the History of Material Culture, Russian Academy of Science, St. Petersburg, Russia
| | - Vladimir Shumkin
- Institute for the History of Material Culture, Russian Academy of Science, St. Petersburg, Russia
| | - Kurt W. Alt
- Institute of Anthropology, Johannes Gutenberg University of Mainz, Mainz, Germany
| | - Elena Balanovska
- Research Centre for Medical Genetics, Russian Academy of Medical Sciences, Moscow, Russia
| | - Alan Cooper
- Australian Centre for Ancient DNA, School of Earth and Environmental Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Wolfgang Haak
- Australian Centre for Ancient DNA, School of Earth and Environmental Sciences, University of Adelaide, Adelaide, South Australia, Australia
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Mielnik-Sikorska M, Daca P, Malyarchuk B, Derenko M, Skonieczna K, Perkova M, Dobosz T, Grzybowski T. The history of Slavs inferred from complete mitochondrial genome sequences. PLoS One 2013; 8:e54360. [PMID: 23342138 PMCID: PMC3544712 DOI: 10.1371/journal.pone.0054360] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2012] [Accepted: 12/11/2012] [Indexed: 12/28/2022] Open
Abstract
To shed more light on the processes leading to crystallization of a Slavic identity, we investigated variability of complete mitochondrial genomes belonging to haplogroups H5 and H6 (63 mtDNA genomes) from the populations of Eastern and Western Slavs, including new samples of Poles, Ukrainians and Czechs presented here. Molecular dating implies formation of H5 approximately 11.5–16 thousand years ago (kya) in the areas of southern Europe. Within ancient haplogroup H6, dated at around 15–28 kya, there is a subhaplogroup H6c, which probably survived the last glaciation in Europe and has undergone expansion only 3–4 kya, together with the ancestors of some European groups, including the Slavs, because H6c has been detected in Czechs, Poles and Slovaks. Detailed analysis of complete mtDNAs allowed us to identify a number of lineages that seem specific for Central and Eastern Europe (H5a1f, H5a2, H5a1r, H5a1s, H5b4, H5e1a, H5u1, some subbranches of H5a1a and H6a1a9). Some of them could possibly be traced back to at least ∼4 kya, which indicates that some of the ancestors of today's Slavs (Poles, Czechs, Slovaks, Ukrainians and Russians) inhabited areas of Central and Eastern Europe much earlier than it was estimated on the basis of archaeological and historical data. We also sequenced entire mitochondrial genomes of several non-European lineages (A, C, D, G, L) found in contemporary populations of Poland and Ukraine. The analysis of these haplogroups confirms the presence of Siberian (C5c1, A8a1) and Ashkenazi-specific (L2a1l2a) mtDNA lineages in Slavic populations. Moreover, we were able to pinpoint some lineages which could possibly reflect the relatively recent contacts of Slavs with nomadic Altaic peoples (C4a1a, G2a, D5a2a1a1).
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Affiliation(s)
- Marta Mielnik-Sikorska
- Department of Molecular and Forensic Genetics, Bydgoszcz, Institute of Forensic Medicine, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Patrycja Daca
- Department of Molecular and Forensic Genetics, Bydgoszcz, Institute of Forensic Medicine, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Boris Malyarchuk
- Institute of Biological Problems of the North, Far-East Branch of the Russian Academy of Science, Magadan, Russia
| | - Miroslava Derenko
- Institute of Biological Problems of the North, Far-East Branch of the Russian Academy of Science, Magadan, Russia
| | - Katarzyna Skonieczna
- Department of Molecular and Forensic Genetics, Bydgoszcz, Institute of Forensic Medicine, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Maria Perkova
- Institute of Biological Problems of the North, Far-East Branch of the Russian Academy of Science, Magadan, Russia
| | - Tadeusz Dobosz
- Department of Forensic Medicine, Wrocław Medical University, Wrocław, Poland
| | - Tomasz Grzybowski
- Department of Molecular and Forensic Genetics, Bydgoszcz, Institute of Forensic Medicine, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
- * E-mail:
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Brisighelli F, Álvarez-Iglesias V, Fondevila M, Blanco-Verea A, Carracedo Á, Pascali VL, Capelli C, Salas A. Uniparental markers of contemporary Italian population reveals details on its pre-Roman heritage. PLoS One 2012; 7:e50794. [PMID: 23251386 PMCID: PMC3519480 DOI: 10.1371/journal.pone.0050794] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Accepted: 10/24/2012] [Indexed: 11/18/2022] Open
Abstract
Background According to archaeological records and historical documentation, Italy has been a melting point for populations of different geographical and ethnic matrices. Although Italy has been a favorite subject for numerous population genetic studies, genetic patterns have never been analyzed comprehensively, including uniparental and autosomal markers throughout the country. Methods/Principal Findings A total of 583 individuals were sampled from across the Italian Peninsula, from ten distant (if homogeneous by language) ethnic communities — and from two linguistic isolates (Ladins, Grecani Salentini). All samples were first typed for the mitochondrial DNA (mtDNA) control region and selected coding region SNPs (mtSNPs). This data was pooled for analysis with 3,778 mtDNA control-region profiles collected from the literature. Secondly, a set of Y-chromosome SNPs and STRs were also analyzed in 479 individuals together with a panel of autosomal ancestry informative markers (AIMs) from 441 samples. The resulting genetic record reveals clines of genetic frequencies laid according to the latitude slant along continental Italy – probably generated by demographical events dating back to the Neolithic. The Ladins showed distinctive, if more recent structure. The Neolithic contribution was estimated for the Y-chromosome as 14.5% and for mtDNA as 10.5%. Y-chromosome data showed larger differentiation between North, Center and South than mtDNA. AIMs detected a minor sub-Saharan component; this is however higher than for other European non-Mediterranean populations. The same signal of sub-Saharan heritage was also evident in uniparental markers. Conclusions/Significance Italy shows patterns of molecular variation mirroring other European countries, although some heterogeneity exists based on different analysis and molecular markers. From North to South, Italy shows clinal patterns that were most likely modulated during Neolithic times.
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Affiliation(s)
- Francesca Brisighelli
- Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain
- Forensic Genetics Laboratory, Institute of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Zoology, University of Oxford, Oxford, United Kingdom
| | - Vanesa Álvarez-Iglesias
- Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain
| | - Manuel Fondevila
- Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain
| | - Alejandro Blanco-Verea
- Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain
| | - Ángel Carracedo
- Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain
- Fundación Pública Galega de Medicina Xenómica (FPGMX-SERGAS), CIBER enfermedades raras, Santiago de Compostela, Galicia, Spain
| | - Vincenzo L. Pascali
- Forensic Genetics Laboratory, Institute of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Cristian Capelli
- Department of Zoology, University of Oxford, Oxford, United Kingdom
| | - Antonio Salas
- Unidade de Xenética, Facultade de Medicina, Instituto de Medicina Legal, Universidade de Santiago de Compostela, Galicia, Spain
- * E-mail:
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An overview of the genetic structure within the Italian population from genome-wide data. PLoS One 2012; 7:e43759. [PMID: 22984441 PMCID: PMC3440425 DOI: 10.1371/journal.pone.0043759] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Accepted: 07/24/2012] [Indexed: 12/21/2022] Open
Abstract
In spite of the common belief of Europe as reasonably homogeneous at genetic level, advances in high-throughput genotyping technology have resolved several gradients which define different geographical areas with good precision. When Northern and Southern European groups were considered separately, there were clear genetic distinctions. Intra-country genetic differences were also evident, especially in Finland and, to a lesser extent, within other European populations. Here, we present the first analysis using the 125,799 genome-wide Single Nucleotide Polymorphisms (SNPs) data of 1,014 Italians with wide geographical coverage. We showed by using Principal Component analysis and model-based individual ancestry analysis, that the current population of Sardinia can be clearly differentiated genetically from mainland Italy and Sicily, and that a certain degree of genetic differentiation is detectable within the current Italian peninsula population. Pair-wise F(ST) statistics Northern and Southern Italy amounts approximately to 0.001 between, and around 0.002 between Northern Italy and Utah residents with Northern and Western European ancestry (CEU). The Italian population also revealed a fine genetic substructure underscoring by the genomic inflation (Sardinia vs. Northern Italy = 3.040 and Northern Italy vs. CEU = 1.427), warning against confounding effects of hidden relatedness and population substructure in association studies.
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Soini HK, Moilanen JS, Finnila S, Majamaa K. Mitochondrial DNA sequence variation in Finnish patients with matrilineal diabetes mellitus. BMC Res Notes 2012; 5:350. [PMID: 22780954 PMCID: PMC3434112 DOI: 10.1186/1756-0500-5-350] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Accepted: 06/23/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The genetic background of type 2 diabetes is complex involving contribution by both nuclear and mitochondrial genes. There is an excess of maternal inheritance in patients with type 2 diabetes and, furthermore, diabetes is a common symptom in patients with mutations in mitochondrial DNA (mtDNA). Polymorphisms in mtDNA have been reported to act as risk factors in several complex diseases. FINDINGS We examined the nucleotide variation in complete mtDNA sequences of 64 Finnish patients with matrilineal diabetes. We used conformation sensitive gel electrophoresis and sequencing to detect sequence variation. We analysed the pathogenic potential of nonsynonymous variants detected in the sequences and examined the role of the m.16189 T>C variant. Controls consisted of non-diabetic subjects ascertained in the same population. The frequency of mtDNA haplogroup V was 3-fold higher in patients with diabetes. Patients harboured many nonsynonymous mtDNA substitutions that were predicted to be possibly or probably damaging. Furthermore, a novel m.13762 T>G in MTND5 leading to p.Ser476Ala and several rare mtDNA variants were found. Haplogroup H1b harbouring m.16189 T > C and m.3010 G > A was found to be more frequent in patients with diabetes than in controls. CONCLUSIONS Mildly deleterious nonsynonymous mtDNA variants and rare population-specific haplotypes constitute genetic risk factors for maternally inherited diabetes.
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Affiliation(s)
- Heidi K Soini
- Institute of Clinical Medicine, Department of Neurology, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
- Clinical Research Center, Oulu University Hospital, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Jukka S Moilanen
- Institute of Clinical Medicine, Department of Clinical Genetics, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Saara Finnila
- Institute of Clinical Medicine, Department of Neurology, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
| | - Kari Majamaa
- Institute of Clinical Medicine, Department of Neurology, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
- Clinical Research Center, Oulu University Hospital, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland
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Khusnutdinova EK, Litvinov SS, Kutuev IA, Yunusbayev BB, Khusainova RI, Ahmetova VL, Ahatova FS, Metspalu E, Rootsi S, Villems R. Gene pool of ethnic groups of the Caucasus: Results of integrated study of the Y chromosome and mitochondrial DNA and genome-wide data. RUSS J GENET+ 2012. [DOI: 10.1134/s1022795412060063] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Mosquera-Miguel A, Torrell H, Abasolo N, Arrojo M, Paz E, Ramos-Ríos R, Agra S, Páramo M, Brenlla J, Martínez S, Vilella E, Valero J, Gutiérrez-Zotes A, Martorell L, Costas J, Salas A. No evidence that major mtDNA European haplogroups confer risk to schizophrenia. Am J Med Genet B Neuropsychiatr Genet 2012; 159B:414-21. [PMID: 22467472 DOI: 10.1002/ajmg.b.32044] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 03/01/2012] [Indexed: 12/12/2022]
Abstract
Previous studies suggest that genetic factors could be involved in mitochondrial dysfunction observed in schizophrenia (SZ), some of them claiming a role of mtDNA common variants (mtSNPs) and/or haplogroups (hgs) in developing this disorder. These studies, however, have mainly been undertaken on relatively small cohorts of patients and control individuals and most have not yet been replicated. To further analyze the role of mtSNPs in SZ risk, we have carried out the largest genotyping effort to date using two Spanish case-control samples comprising a total of 942 schizophrenic patients and 1,231 unrelated controls: 454 patients and 616 controls from Santiago de Compostela (Galicia) and 488 patients and 615 controls from Reus (Catalonia). A set of 25 mtSNPs representing main branches of the European mtDNA phylogeny were genotyped in the Galician cohort and a subset of 16 out of these 25 mtSNPs was genotyped in the Catalan cohort. These 16 common variants characterize the most common European branches of the mtDNA phylogeny. We did not observe any positive association of mtSNPs and hgs with SZ. We discuss several deficiencies of previous studies that might explain the false positive nature of previous findings, including the confounding effect of population sub-structure and deficient statistical methodologies. It is unlikely that mtSNPs defining the most common European mtDNA haplogroups are related to SZ.
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Affiliation(s)
- Ana Mosquera-Miguel
- Unidade de Xenética, Departamento de Anatomía Patolóxica e Ciencias Forenses and Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Galicia, Spain
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Šarac J, Šarić T, Jeran N, Auguštin DH, Metspalu E, Vekarić N, Missoni S, Villems R, Rudan P. Influence of evolutionary forces and demographic processes on the genetic structure of three Croatian populations: a maternal perspective. Ann Hum Biol 2012; 39:143-55. [PMID: 22324841 DOI: 10.3109/03014460.2012.660194] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Many Croatian islands are examples of genetic isolates, with low level of heterozygosity and high level of inbreeding, due to practice of endogamy. AIM The aim was to study the genetic structure of two insular and one mainland population through high-resolution phylogenetic analysis of mitochondrial DNA (mtDNA). SUBJECTS AND METHODS MtDNA polymorphisms were explored in 300 unrelated individuals from Mljet, Lastovo and the coastal city of Dubrovnik, based on SNP polymorphisms. RESULTS All mtDNA haplogroups found in the sample were of typical European origin. However, the frequency distribution of their subclades differed significantly from other Croatian and European populations. MtDNA haplotype analysis revealed only two possible founder lineages on Mljet and six on Lastovo, accounting for almost half of the sample on both islands. The island of Mljet also has the lowest reported haplotype and nucleotide diversity among Croatian isolates and the island of Lastovo, a new sublineage of a usually quite rare U1b clade. CONCLUSION The results can be explained by the effect evolutionary forces have on genetic structure, which is in line with the specific demographic histories of the islands. An additional research value of these two island isolates is the appearance of certain Mendelian disorders, highlighting their importance in epidemiological studies.
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Affiliation(s)
- Jelena Šarac
- Institute for Anthropological Research, Zagreb, Croatia.
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