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Espitia Fajardo M, Rivera Franco N, Braga Y, Barreto G. New Y-SNPs in QM3 indigenous populations of Colombia. PLoS One 2023; 18:e0294516. [PMID: 38055663 PMCID: PMC10699635 DOI: 10.1371/journal.pone.0294516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/01/2023] [Indexed: 12/08/2023] Open
Abstract
In evolutionary studies of human populations based on the Y chromosome, the majority of Native Americans belong to the QM3 lineage. Therefore, to study the history of groups inhabiting northern South America, it is necessary to have a higher resolution of the tree. The objective of this work was to identify new SNPs of the QM3 lineage that would allow the evaluation of the phylogenetic relationships between Andean and Amazonian populations of Colombia. Sequences previously obtained from two Y chromosomes of Amazonian populations were used, from which 13 potential SNPs were selected and typed in 171 Amazonian samples from the Vaupés region and in 60 samples from the Pasto, Nasa, Embera, Arhuaco and Kogüi ethnic groups of the Andean region. In addition, the main SNPs/markers (L56, L54, M346, M848, Z780, CTS11780) defining autochthonous Q lineages were typed, along with others defined by different SNPs/markers as reported in the literature (CTS11357, SA05, Z19319, Z5915, and Z19384). It was found that all the new SNPs are present in the Amazonian samples and only 2 of them are shared with the Embera, Nasa and Pasto, but none with the Kogüi and Arhuaco from the northern Andes, in the Colombian Caribbean. Combining the 13 variants of the present study with 14 previously reported and using TMRCA, a new QM3 tree proposal is generated. This method makes it possible to increase the number of sublineages of QM3 with a higher resolution and to detect differences between the different populations of Vaupés in the Amazon, as in the case of the Kubeos and Pisamiras, the latter of which is in grave danger of extinction. These new sublineages are useful for microevolutionary studies of the Amerindian populations of South America.
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Affiliation(s)
- Marisol Espitia Fajardo
- Laboratory of Human Molecular Genetics, Biology Department, Universidad del Valle, Cali, Colombia
| | - Nelson Rivera Franco
- Laboratory of Human Molecular Genetics, Biology Department, Universidad del Valle, Cali, Colombia
| | - Yamid Braga
- Laboratory of Human Molecular Genetics, Biology Department, Universidad del Valle, Cali, Colombia
- Research Group in Biology, Languages and History, IMGB, Corpodihva, Mitú, Colombia
| | - Guillermo Barreto
- Laboratory of Human Molecular Genetics, Biology Department, Universidad del Valle, Cali, Colombia
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Köksal Z, Børsting C, Gusmão L, Pereira V. SNPtotree-Resolving the Phylogeny of SNPs on Non-Recombining DNA. Genes (Basel) 2023; 14:1837. [PMID: 37895186 PMCID: PMC10606150 DOI: 10.3390/genes14101837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 10/29/2023] Open
Abstract
Genetic variants on non-recombining DNA and the hierarchical order in which they accumulate are commonly of interest. This variant hierarchy can be established and combined with information on the population and geographic origin of the individuals carrying the variants to find population structures and infer migration patterns. Further, individuals can be assigned to the characterized populations, which is relevant in forensic genetics, genetic genealogy, and epidemiologic studies. However, there is currently no straightforward method to obtain such a variant hierarchy. Here, we introduce the software SNPtotree v1.0, which uniquely determines the hierarchical order of variants on non-recombining DNA without error-prone manual sorting. The algorithm uses pairwise variant comparisons to infer their relationships and integrates the combined information into a phylogenetic tree. Variants that have contradictory pairwise relationships or ambiguous positions in the tree are removed by the software. When benchmarked using two human Y-chromosomal massively parallel sequencing datasets, SNPtotree outperforms traditional methods in the accuracy of phylogenetic trees for sequencing data with high amounts of missing information. The phylogenetic trees of variants created using SNPtotree can be used to establish and maintain publicly available phylogeny databases to further explore genetic epidemiology and genealogy, as well as population and forensic genetics.
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Affiliation(s)
- Zehra Köksal
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark; (Z.K.); (C.B.)
| | - Claus Børsting
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark; (Z.K.); (C.B.)
| | - Leonor Gusmão
- DNA Diagnostic Laboratory (LDD), State University of Rio de Janeiro (UERJ), Rio de Janeiro 20550-013, Brazil;
| | - Vania Pereira
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2100 Copenhagen, Denmark; (Z.K.); (C.B.)
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3
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Single-cell transcriptome sequencing allows genetic separation, characterization and identification of individuals in multi-person biological mixtures. Commun Biol 2023; 6:201. [PMID: 36805025 PMCID: PMC9941516 DOI: 10.1038/s42003-023-04557-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 02/06/2023] [Indexed: 02/22/2023] Open
Abstract
Identifying individuals from biological mixtures to which they contributed is highly relevant in crime scene investigation and various biomedical research fields, but despite previous attempts, remains nearly impossible. Here we investigated the potential of using single-cell transcriptome sequencing (scRNA-seq), coupled with a dedicated bioinformatics pipeline (De-goulash), to solve this long-standing problem. We developed a novel approach and tested it with scRNA-seq data that we de-novo generated from multi-person blood mixtures, and also in-silico mixtures we assembled from public single individual scRNA-seq datasets, involving different numbers, ratios, and bio-geographic ancestries of contributors. For all 2 up to 9-person balanced and imbalanced blood mixtures with ratios up to 1:60, we achieved a clear single-cell separation according to the contributing individuals. For all separated mixture contributors, sex and bio-geographic ancestry (maternal, paternal, and bi-parental) were correctly determined. All separated contributors were correctly individually identified with court-acceptable statistical certainty using de-novo generated whole exome sequencing reference data. In this proof-of-concept study, we demonstrate the feasibility of single-cell approaches to deconvolute biological mixtures and subsequently genetically characterise, and individually identify the separated mixture contributors. With further optimisation and implementation, this approach may eventually allow moving to challenging biological mixtures, including those found at crime scenes.
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Hussein AA, Hamad R, Newport MJ, Ibrahim ME. Individualized Medicine in Africa: Bringing the Practice Into the Realms of Population Heterogeneity. Front Genet 2022; 13:853969. [PMID: 35495155 PMCID: PMC9047898 DOI: 10.3389/fgene.2022.853969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/28/2022] [Indexed: 12/02/2022] Open
Abstract
The declared aim of “personalized”, “stratified” or “precision” approaches is to place individual variation, as ascertained through genomic and various other biomarkers, at the heart of Scientific Medicine using it to predict risk of disease or response to therapy and to tailor interventions and target therapies so as to maximize benefit and minimize risk for individual patients and efficiency for the health care system overall. It is often contrasted to current practices for which the scientific base is rooted in concepts of a “universal biology” and a “typical” or “average patient” and in which variation is ignored. Yet both approaches equally overlook the hierarchical nature of human variation and the critical importance of differences between populations. Impact of genetic heterogeneity has to be seen within that context to be meaningful and subsequently useful. In Africa such complexity is compounded by the high effective size of its populations, their diverse histories and the diversity of the environmental terrains they occupy, rendering analysis of gene environment interactions including the establishment of phenotype genotype correlations even more cumbersome. Henceforth “Individualized” methods and approaches can only magnify the shortcomings of universal approaches if adopted without due regard to these complexities. In the current perspective we review examples of potential hurdles that may confront biomedical scientists and analysts in genomic medicine in clinical and public health genomics in Africa citing specific examples from the current SARS-COV2 pandemic and the challenges of establishing reference biobanks and pharmacogenomics reference values.
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Affiliation(s)
- Ayman A. Hussein
- Unit of Diseases and Diversity, Department of Molecular Biology, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan
| | - Reem Hamad
- Unit of Diseases and Diversity, Department of Molecular Biology, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan
| | - Melanie J. Newport
- Department of Global Health and Infection, Brighton and Sussex Medical School, University of Sussex, Brighton, United Kingdom
| | - Muntaser E. Ibrahim
- Unit of Diseases and Diversity, Department of Molecular Biology, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan
- *Correspondence: Muntaser E. Ibrahim,
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5
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Unveiling forensically relevant biogeographic, phenotype and Y-chromosome SNP variation in Pakistani ethnic groups using a customized hybridisation enrichment forensic intelligence panel. PLoS One 2022; 17:e0264125. [PMID: 35176104 PMCID: PMC8853543 DOI: 10.1371/journal.pone.0264125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 02/03/2022] [Indexed: 11/19/2022] Open
Abstract
Massively parallel sequencing following hybridisation enrichment provides new opportunities to obtain genetic data for various types of forensic testing and has proven successful on modern as well as degraded and ancient DNA. A customisable forensic intelligence panel that targeted 124 SNP markers (67 ancestry informative markers, 23 phenotype markers from the HIrisplex panel, and 35 Y-chromosome SNPs) was used to examine biogeographic ancestry, phenotype and sex and Y-lineage in samples from different ethnic populations of Pakistan including Pothwari, Gilgit, Baloach, Pathan, Kashmiri and Siraiki. Targeted sequencing and computational data analysis pipeline allowed filtering of variants across the targeted loci. Study samples showed an admixture between East Asian and European ancestry. Eye colour was predicted accurately based on the highest p-value giving overall prediction accuracy of 92.8%. Predictions were consistent with reported hair colour for all samples, using the combined highest p-value approach and step-wise model incorporating probability thresholds for light or dark shade. Y-SNPs were successfully recovered only from male samples which indicates the ability of this method to identify biological sex and allow inference of Y-haplogroup. Our results demonstrate practicality of using hybridisation enrichment and MPS to aid in human intelligence gathering and will open many insights into forensic research in South Asia.
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Overview of the Americas’ First Peopling from a Patrilineal Perspective: New Evidence from the Southern Continent. Genes (Basel) 2022; 13:genes13020220. [PMID: 35205264 PMCID: PMC8871784 DOI: 10.3390/genes13020220] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/21/2022] [Accepted: 01/22/2022] [Indexed: 12/24/2022] Open
Abstract
Uniparental genetic systems are unique sex indicators and complement the study of autosomal diversity by providing landmarks of human migrations that repeatedly shaped the structure of extant populations. Our knowledge of the variation of the male-specific region of the Y chromosome in Native Americans is still rather scarce and scattered, but by merging sequence information from modern and ancient individuals, we here provide a comprehensive and updated phylogeny of the distinctive Native American branches of haplogroups C and Q. Our analyses confirm C-MPB373, C-P39, Q-Z780, Q-M848, and Q-Y4276 as the main founding haplogroups and identify traces of unsuccessful (pre-Q-F1096) or extinct (C-L1373*, Q-YP4010*) Y-chromosome lineages, indicating that haplogroup diversity of the founder populations that first entered the Americas was greater than that observed in the Indigenous component of modern populations. In addition, through a diachronic and phylogeographic dissection of newly identified Q-M848 branches, we provide the first Y-chromosome insights into the early peopling of the South American hinterland (Q-BY104773 and Q-BY15730) and on overlying inland migrations (Q-BY139813).
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Joerin-Luque IA, Augusto DG, Calonga-Solís V, de Almeida RC, Lopes CVG, Petzl-Erler ML, Beltrame MH. Uniparental markers reveal new insights on subcontinental ancestry and sex-biased admixture in Brazil. Mol Genet Genomics 2022; 297:419-435. [DOI: 10.1007/s00438-022-01857-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 01/04/2022] [Indexed: 10/19/2022]
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8
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The Y chromosome and its use in forensic DNA analysis. Emerg Top Life Sci 2021; 5:427-441. [PMID: 34533187 PMCID: PMC8457770 DOI: 10.1042/etls20200339] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 08/13/2021] [Accepted: 08/24/2021] [Indexed: 11/17/2022]
Abstract
Originally relatively ignored in forensic investigations because its genetic analysis lacks inference of individual identification, the value of Y chromosome analysis has been proven in cases of sexual assault, particularly where the amount of material left by a male assailant is limited in comparison with female DNA. All routine analysis of autosomal DNA, however, targets a gene (AMELY) on the Y chromosome in order to identify the sex of the DNA source and this is discussed in the context of the genetic structure of this male-specific chromosome. Short-tandem repeat markers on the chromosome are tested in dedicated multiplexes that have developed over time and these are described alongside international guidance as to their use in a forensic setting. As a marker of lineage, the Y chromosome provides additional tools to assist in the inference of ancestry, both geographical and familial and the value of Y chromosome testing is illustrated through descriptions of cases of criminal and historical interest. A decision to analyse the Y chromosome has to be considered in the context, not only of the circumstances of the case, but also with regard to the ethical questions it might raise, and these are discussed in relation to the cases that have been described in more detail in the accompanying online supplementary material.
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Kim J, Jeon S, Choi JP, Blazyte A, Jeon Y, Kim JI, Ohashi J, Tokunaga K, Sugano S, Fucharoen S, Al-Mulla F, Bhak J. The Origin and Composition of Korean Ethnicity Analyzed by Ancient and Present-Day Genome Sequences. Genome Biol Evol 2021; 12:553-565. [PMID: 32219389 PMCID: PMC7250502 DOI: 10.1093/gbe/evaa062] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2020] [Indexed: 01/08/2023] Open
Abstract
Koreans are thought to be an ethnic group of admixed northern and southern subgroups. However, the exact genetic origins of these two remain unclear. In addition, the past admixture is presumed to have taken place on the Korean peninsula, but there is no genomic scale analysis exploring the origin, composition, admixture, or the past migration of Koreans. Here, 88 Korean genomes compared with 91 other present-day populations showed two major genetic components of East Siberia and Southeast Asia. Additional paleogenomic analysis with 115 ancient genomes from Pleistocene hunter-gatherers to Iron Age farmers showed a gradual admixture of Tianyuan (40 ka) and Devil’s gate (8 ka) ancestries throughout East Asia and East Siberia up until the Neolithic era. Afterward, the current genetic foundation of Koreans may have been established through a rapid admixture with ancient Southern Chinese populations associated with Iron Age Cambodians. We speculate that this admixing trend initially occurred mostly outside the Korean peninsula followed by continuous spread and localization in Korea, corresponding to the general admixture trend of East Asia. Over 70% of extant Korean genetic diversity is explained to be derived from such a recent population expansion and admixture from the South.
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Affiliation(s)
- Jungeun Kim
- Personal Genomics Institute (PGI), Genome Research Foundation, Osong, Republic of Korea
| | - Sungwon Jeon
- Korean Genomics Center (KOGIC), Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea.,Department of Biomedical Engineering, School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Jae-Pil Choi
- Personal Genomics Institute (PGI), Genome Research Foundation, Osong, Republic of Korea
| | - Asta Blazyte
- Korean Genomics Center (KOGIC), Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Yeonsu Jeon
- Korean Genomics Center (KOGIC), Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea.,Department of Biomedical Engineering, School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Jong-Il Kim
- Department of Archaeology and Art History, Seoul National University, Republic of Korea
| | - Jun Ohashi
- Department of Biological Sciences, Graduate School of Medicine, The University of Tokyo, Japan
| | - Katsushi Tokunaga
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Japan
| | - Sumio Sugano
- Department of Medical Genome Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Japan
| | - Suthat Fucharoen
- Thalassemia Research Center, Institute of Molecular Biosciences, Mahidol University, Nakorn Pathom, Thailand
| | - Fahd Al-Mulla
- Center of Genomic Medicine, Kuwait University, Kuwait
| | - Jong Bhak
- Personal Genomics Institute (PGI), Genome Research Foundation, Osong, Republic of Korea.,Korean Genomics Center (KOGIC), Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea.,Department of Biomedical Engineering, School of Life Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea.,Clinomics Inc, Ulsan, Republic of Korea
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10
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Azulay RSDS, Porto LC, Silva DA, Tavares MDG, Reis RMDF, Nascimento GC, Damianse SDSP, Rocha VCDC, Magalhães M, Rodrigues V, Carvalho PRVB, Faria MDS, Gomes MB. Genetic ancestry inferred from autosomal and Y chromosome markers and HLA genotypes in Type 1 Diabetes from an admixed Brazilian population. Sci Rep 2021; 11:14157. [PMID: 34239025 PMCID: PMC8266844 DOI: 10.1038/s41598-021-93691-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 06/29/2021] [Indexed: 12/19/2022] Open
Abstract
This study aimed to investigate the relationship between genetic ancestry inferred from autosomal and Y chromosome markers and HLA genotypes in patients with Type 1 Diabetes from an admixed Brazilian population. Inference of autosomal ancestry; HLA-DRB1, -DQA1 and -DQB1 typifications; and Y chromosome analysis were performed. European autosomal ancestry was about 50%, followed by approximately 25% of African and Native American. The European Y chromosome was predominant. The HLA-DRB1*03 and DRB1*04 alleles presented risk association with T1D. When the Y chromosome was European, DRB1*03 and DRB1*04 homozygote and DRB1*03/DRB1*04 heterozygote genotypes were the most frequent. The results suggest that individuals from Maranhão have a European origin as their major component; and are patrilineal with greater frequency from the R1b haplogroup. The predominance of the HLA-DRB1*03 and DRB1*04 alleles conferring greater risk in our population and being more frequently related to the ancestry of the European Y chromosome suggests that in our population, the risk of T1D can be transmitted by European ancestors of our process miscegenation. However, the Y sample sizes of Africans and Native Americans were small, and further research should be conducted with large mixed sample sizes to clarify this possible association.
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Affiliation(s)
- Rossana Santiago de Sousa Azulay
- Service of Endocrinology, University Hospital of the Federal University of Maranhão (HUUFMA/EBSERH), Rua Barão de Itapary, 227, Centro, São Luís, Maranhão, 65020-070, Brazil.
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil.
| | - Luís Cristóvão Porto
- Histocompatibility and Cryopreservation Laboratory (HLA), Rio de Janeiro State University (UERJ), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Dayse Aparecida Silva
- DNA Diagnostic Laboratory (LDD), Rio de Janeiro State University (UERJ), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Maria da Glória Tavares
- Service of Endocrinology, University Hospital of the Federal University of Maranhão (HUUFMA/EBSERH), Rua Barão de Itapary, 227, Centro, São Luís, Maranhão, 65020-070, Brazil
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
| | | | - Gilvan Cortês Nascimento
- Service of Endocrinology, University Hospital of the Federal University of Maranhão (HUUFMA/EBSERH), Rua Barão de Itapary, 227, Centro, São Luís, Maranhão, 65020-070, Brazil
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
| | - Sabrina da Silva Pereira Damianse
- Service of Endocrinology, University Hospital of the Federal University of Maranhão (HUUFMA/EBSERH), Rua Barão de Itapary, 227, Centro, São Luís, Maranhão, 65020-070, Brazil
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
| | - Viviane Chaves de Carvalho Rocha
- Service of Endocrinology, University Hospital of the Federal University of Maranhão (HUUFMA/EBSERH), Rua Barão de Itapary, 227, Centro, São Luís, Maranhão, 65020-070, Brazil
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
| | - Marcelo Magalhães
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
- Clinical Research Center of the University Hospital of the Federal University of Maranhão (CEPEC - HUUFMA), São Luís, Brazil
| | - Vandilson Rodrigues
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
| | - Paulo Ricardo Vilas Boas Carvalho
- Histocompatibility and Cryopreservation Laboratory (HLA), Rio de Janeiro State University (UERJ), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Manuel Dos Santos Faria
- Service of Endocrinology, University Hospital of the Federal University of Maranhão (HUUFMA/EBSERH), Rua Barão de Itapary, 227, Centro, São Luís, Maranhão, 65020-070, Brazil
- Research Group in Clinical and Molecular Endocrinology and Metabology (ENDOCLIM), São Luís, Brazil
- Clinical Research Center of the University Hospital of the Federal University of Maranhão (CEPEC - HUUFMA), São Luís, Brazil
| | - Marília Brito Gomes
- Diabetes Unit, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
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Song F, Song M, Luo H, Xie M, Wang X, Dai H, Hou Y. Paternal genetic structure of Kyrgyz ethnic group in China revealed by high-resolution Y-chromosome STRs and SNPs. Electrophoresis 2021; 42:1892-1899. [PMID: 34169540 DOI: 10.1002/elps.202100142] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/07/2021] [Accepted: 06/16/2021] [Indexed: 01/07/2023]
Abstract
Kyrgyz ethnic group is one of the nomads in China, with the majority in Xinjiang and a small part of them living in Heilongjiang province. Historically, they have went through five migrations westward due to the wars. The name "Kyrgyz" means 40 tribes, originating from the primary groups of Kyrgyz. However, it is a largely understudied population, especially from the Y chromosome. In this study, we used a previously validated high-resolution Y-chromosome single nucleotide polymorphisms (Y-SNPs) and short tandem repeats (Y-STRs) system to study Kyrgyz ethnic group. A total of 314 male samples of Kyrgyz ethnic group were genotyped by 173 Y-SNPs and 27 Y-STRs. After data analysis, the results unveiled that Kyrgyz ethnic group was a population with high percentage of both haplogroup C2a1a3a1d∼-F10091 (91/134) and R1a1a1b2a2-Z2124 (109/134), which has never been reported. This implied that Kyrgyz ethnic group might have gone through bottleneck effects twice, with these two main lineages left. Mismatch analysis indicated that the biggest mismatch number in haplogroup C2a1a3a1d∼-F10091 was 10, while that of haplogroup R1a1a1b2a2-Z2124 was 20. This huge difference reflected the different substructure in two lineages, suggesting that haplogroup C2a1a3a1d∼-F10091 might have the least admixture compared to the other two lineages. After admixture modelling with other datasets, the conclusion could be drawn that Kyrgyz ethnic group had great genetic affinity with Punjabi from Lahore, Pakistan, which supported that Kyrgyz ethnic group in China was close to central Asian.
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Affiliation(s)
- Feng Song
- West China School of Basic Science & Forensic Medicine, Institute of Forensic Medicine, Sichuan University, Chengdu, P. R. China
| | - Mengyuan Song
- West China School of Basic Science & Forensic Medicine, Institute of Forensic Medicine, Sichuan University, Chengdu, P. R. China
| | - Haibo Luo
- West China School of Basic Science & Forensic Medicine, Institute of Forensic Medicine, Sichuan University, Chengdu, P. R. China
| | - Mingkun Xie
- Department of Obstetrics, Xiangya Hospital, Central South University, Changsha, P. R. China
| | - Xindi Wang
- West China School of Basic Science & Forensic Medicine, Institute of Forensic Medicine, Sichuan University, Chengdu, P. R. China
| | - Hao Dai
- Department of Forensic Pathology, West China School of Basic Science & Forensic Medicine, Sichuan University, Chengdu, P. R. China
| | - Yiping Hou
- West China School of Basic Science & Forensic Medicine, Institute of Forensic Medicine, Sichuan University, Chengdu, P. R. China
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Wang BF, Swenson KM. A Faster Algorithm for Computing the Kernel of Maximum Agreement Subtrees. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2021; 18:416-430. [PMID: 31217125 DOI: 10.1109/tcbb.2019.2922955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The maximum agreement subtree method determines the consensus of a collection of phylogenetic trees by identifying maximum cardinality subsets of leaves for which all input trees agree. The trees induced by these maximum cardinality subsets are maximum agreement subtrees (MASTs). A single MAST may be misleading, since there can exist two MASTs which share almost no leaves; nevertheless, it may be impossible to inspect all MASTs, since the number of MASTs can be exponential in the number of leaves. To overcome this drawback, Swenson et al. suggested to further summarize the information common to all MASTs by their intersection, which is called the kernel agreement subtree (KAST). The construction of the KAST is the focus of this paper. Swenson et al. had an O(kn3 + n4 + nd + 1) time algorithm for computing the KAST of k trees on n leaves, in which at least one tree has maximum degree d. In this paper, an O(kn3 + nd)-time algorithm is presented. We demonstrate the efficiency of our algorithm on simulated trees as well as on ribosomal RNA alignments, where trees with 13,000 taxa took only hours to process, whereas the previous algorithm did not terminate after a week of computation.
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D’Atanasio E, Trionfetti F, Bonito M, Sellitto D, Coppa A, Berti A, Trombetta B, Cruciani F. Y Haplogroup Diversity of the Dominican Republic: Reconstructing the Effect of the European Colonization and the Trans-Atlantic Slave Trades. Genome Biol Evol 2020; 12:1579-1590. [PMID: 32835369 PMCID: PMC7523727 DOI: 10.1093/gbe/evaa176] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2020] [Indexed: 12/12/2022] Open
Abstract
The Dominican Republic is one of the two countries on the Hispaniola island, which is part of the Antilles. Hispaniola was affected by the European colonization and massive deportation of African slaves since the XVI century and these events heavily shaped the genetic composition of the present-day population. To shed light about the effect of the European rules, we analyzed 92 single nucleotide polymorphisms on the Y chromosome in 182 Dominican individuals from three different locations. The Dominican Y haplogroup composition was characterized by an excess of northern African/European lineages (59%), followed by the African clades (38%), whereas the Native-American lineages were rare (3%). The comparison with the mitochondrial DNA variability, dominated by African clades, revealed a sex-biased admixture pattern, in line with the colonial society dominated by European men. When other Caribbean and non-Caribbean former colonies were also considered, we noted a difference between territories under a Spanish rule (like the Dominican Republic) and British/French rule, with the former characterized by an excess of European Y lineages reflecting the more permissive Iberian legislation about mixed people and slavery. Finally, we analyzed the distribution in Africa of the Dominican lineages with a putative African origin, mainly focusing on central and western Africa, which were the main sources of African slaves. We found that most (83%) of the African lineages observed in Santo Domingo have a central African ancestry, suggesting that most of the slaves were deported from regions.
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Affiliation(s)
- Eugenia D’Atanasio
- Istituto di Biologia e Patologia Molecolari, CNR, Roma, Italy
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Flavia Trionfetti
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Maria Bonito
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma, Rome, Italy
| | | | - Alfredo Coppa
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
- Department of Genetics, Harvard Medical School, Boston, Massachusetts
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
| | - Andrea Berti
- Reparto CC Investigazioni Scientifiche di Roma, Sezione di Biologia, Rome, Italy
| | - Beniamino Trombetta
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Fulvio Cruciani
- Istituto di Biologia e Patologia Molecolari, CNR, Roma, Italy
- Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma, Rome, Italy
- Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza Università di Roma, Rome, Italy
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14
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Schaan AP, Gusmão L, Jannuzzi J, Modesto A, Amador M, Marques D, Rabenhorst SH, Montenegro R, Lopes T, Yoshioka FK, Pinto G, Santos S, Costa L, Silbiger V, Ribeiro-Dos-Santos Â. New insights on intercontinental origins of paternal lineages in Northeast Brazil. BMC Evol Biol 2020; 20:15. [PMID: 31996123 PMCID: PMC6990597 DOI: 10.1186/s12862-020-1579-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/09/2020] [Indexed: 12/29/2022] Open
Abstract
Background The current Brazilian population is the product of centuries of admixture between intercontinental founding groups. Although previous results have revealed a heterogeneous distribution of mitochondrial lineages in the Northeast region, the most targeted by foreign settlers during the sixteenth century, little is known about the paternal ancestry of this particular population. Considering historical records have documented a series of territorial invasions in the Northeast by various European populations, we aimed to characterize the male lineages found in Brazilian individuals in order to discover to what extent these migrations have influenced the present-day gene pool. Our approach consisted of employing four hierarchical multiplex assays for the investigation of 45 unique event polymorphisms in the non-recombining portion of the Y-chromosome of 280 unrelated men from several Northeast Brazilian states. Results Primary multiplex results allowed the identification of six major haplogroups, four of which were screened for downstream SNPs and enabled the observation of 19 additional lineages. Results reveal a majority of Western European haplogroups, among which R1b-S116* was the most common (63.9%), corroborating historical records of colonizations by Iberian populations. Nonetheless, FST genetic distances show similarities between Northeast Brazil and several other European populations, indicating multiple origins of settlers. Regarding Native American ancestry, our findings confirm a strong sexual bias against such haplogroups, which represented only 2.5% of individuals, highly contrasting previous results for maternal lineages. Furthermore, we document the presence of several Middle Eastern and African haplogroups, supporting a complex historical formation of this population and highlighting its uniqueness among other Brazilian regions. Conclusions We performed a comprehensive analysis of the major Y-chromosome lineages that form the most dynamic migratory region from the Brazilian colonial period. This evidence suggests that the ongoing entry of European, Middle Eastern, and African males in the Brazilian Northeast, since at least 500 years, was significantly responsible for the present-day genetic architecture of this population.
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Affiliation(s)
- Ana Paula Schaan
- Human and Medical Genetics Laboratory, Federal University of Pará, Av. Augusto Corrêa, 01 - Cidade Universitária Prof. José Silveira Netto - Guamá, Belém, PA, 66075-110, Brazil
| | - Leonor Gusmão
- DNA Diagnostic Laboratory (LDD), Institute of Biology, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Juliana Jannuzzi
- DNA Diagnostic Laboratory (LDD), Institute of Biology, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Antonio Modesto
- Center for Oncology Research, Federal University of Pará, Belém, PA, 66073-005, Brazil
| | - Marcos Amador
- Human and Medical Genetics Laboratory, Federal University of Pará, Av. Augusto Corrêa, 01 - Cidade Universitária Prof. José Silveira Netto - Guamá, Belém, PA, 66075-110, Brazil
| | - Diego Marques
- Human and Medical Genetics Laboratory, Federal University of Pará, Av. Augusto Corrêa, 01 - Cidade Universitária Prof. José Silveira Netto - Guamá, Belém, PA, 66075-110, Brazil
| | - Silvia Helena Rabenhorst
- Pathology and Legal Medicine Department, Federal University of Ceará, Fortaleza, CE, 60020-181, Brazil
| | - Raquel Montenegro
- Pathology and Legal Medicine Department, Federal University of Ceará, Fortaleza, CE, 60020-181, Brazil
| | - Thayson Lopes
- Genetics and Molecular Biology Laboratory, Federal University of Piauí, Parnaíba, PI, 64202-020, Brazil
| | - France Keiko Yoshioka
- Genetics and Molecular Biology Laboratory, Federal University of Piauí, Parnaíba, PI, 64202-020, Brazil
| | - Giovanny Pinto
- Genetics and Molecular Biology Laboratory, Federal University of Piauí, Parnaíba, PI, 64202-020, Brazil
| | - Sidney Santos
- Human and Medical Genetics Laboratory, Federal University of Pará, Av. Augusto Corrêa, 01 - Cidade Universitária Prof. José Silveira Netto - Guamá, Belém, PA, 66075-110, Brazil
| | - Lorenna Costa
- Clinical and Toxicological Analyses Department, Federal University of Rio Grande do Norte, Natal, RN, 59300-000, Brazil
| | - Vivian Silbiger
- Clinical and Toxicological Analyses Department, Federal University of Rio Grande do Norte, Natal, RN, 59300-000, Brazil
| | - Ândrea Ribeiro-Dos-Santos
- Human and Medical Genetics Laboratory, Federal University of Pará, Av. Augusto Corrêa, 01 - Cidade Universitária Prof. José Silveira Netto - Guamá, Belém, PA, 66075-110, Brazil. .,Center for Oncology Research, Federal University of Pará, Belém, PA, 66073-005, Brazil.
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15
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Larmuseau MH, van den Berg P, Claerhout S, Calafell F, Boattini A, Gruyters L, Vandenbosch M, Nivelle K, Decorte R, Wenseleers T. A Historical-Genetic Reconstruction of Human Extra-Pair Paternity. Curr Biol 2019; 29:4102-4107.e7. [DOI: 10.1016/j.cub.2019.09.075] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 08/12/2019] [Accepted: 09/30/2019] [Indexed: 11/25/2022]
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16
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Zeng Z, Tian J, Jiang C, Ye W, Liu K, Li Y. Inferring the history of surname Ye based on Y chromosome high-resolution genotyping and sequencing data. J Hum Genet 2019; 64:703-709. [PMID: 31092888 DOI: 10.1038/s10038-019-0616-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 02/21/2019] [Accepted: 04/24/2019] [Indexed: 11/09/2022]
Abstract
Paternal inheritance of both Y chromosome and surnames makes it possible to trace the origin and migration histories of surnames based on high-resolution Y chromosome phylogeny. In this study, 292 male samples with surname Ye () in China were collected to unravel the history of this surname. Among these samples, O-F492 showed the highest frequency (26.71%). Analysis based on Y chromosome genotyping data of 52,798 males from virtually the whole China revealed a close correlation between O-F492 and surname Ye. High-throughput sequencing of 131 unrelated male individuals covering all sub-haplogroups in O-F492 was conducted to update the phylogeny of O-F492. Most of the Ye individuals (43/64, 67.19%) are embedded in three major branches, i.e., O-MF1461, O-MF15219, and O-FGC66159, deriving from the same node (O-FGC66168). These three clades restrictively distributed in different regions, likely attributed to independent differentiations. Coalescent ages of the three subclades are estimated ranging from 1,925 to 1,775 years ago, probably driven by the massive migration from north to south China after Yongjia riot in Jin Dynasty, consistent with the migration history of surname Ye. Our study thus shed important light on the history of the surname Ye from genetic perspective.
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Affiliation(s)
- Zhen Zeng
- Chengdu 23mofang Biotechnology Co., Ltd., Tianfu Software Park, Chengdu, Sichuan, China
| | - Jiaoyang Tian
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,CAS Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China.,Kunming Key Laboratory of Healthy Aging Molecular Mechanism Study, Kunming, China
| | - Chuangui Jiang
- Chengdu 23mofang Biotechnology Co., Ltd., Tianfu Software Park, Chengdu, Sichuan, China
| | - Weijian Ye
- Chengdu 23mofang Biotechnology Co., Ltd., Tianfu Software Park, Chengdu, Sichuan, China
| | - Kaijun Liu
- Chengdu 23mofang Biotechnology Co., Ltd., Tianfu Software Park, Chengdu, Sichuan, China
| | - Yuchun Li
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China. .,CAS Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China. .,Kunming Key Laboratory of Healthy Aging Molecular Mechanism Study, Kunming, China.
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Hernández CL, Dugoujon JM, Sánchez-Martínez LJ, Cuesta P, Novelletto A, Calderón R. Paternal lineages in southern Iberia provide time frames for gene flow from mainland Europe and the Mediterranean world. Ann Hum Biol 2019; 46:63-76. [PMID: 30822152 DOI: 10.1080/03014460.2019.1587507] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND The geography of southern Iberia and an abundant archaeological record of human occupation are ideal conditions for a full understanding of scenarios of genetic history in the area. Recent advances in the phylogeography of Y-chromosome lineages offer the opportunity to set upper bounds for the appearance of different genetic components. AIM To provide a global knowledge on the Y haplogroups observed in Andalusia with their Y microsatellite variation. Preferential attention is given to the vehement debate about the age, origin and expansion of R1b-M269 clade and sub-lineages. SUBJECT AND METHODS Four hundred and fourteen male DNA samples from western and eastern autochthonous Andalusians were genotyped for a set of Y-SNPs and Y-STRs. Gene diversity, potential population genetic structures and coalescent times were assessed. RESULTS Most of the analysed samples belong to the European haplogroup R1b1a1a2-M269, whereas haplogroups E, J, I, G and T show lower frequencies. A phylogenetic dissection of the R1b-M269 was performed and younger time frames than those previously reported in the literature were obtained for its sub-lineages. CONCLUSION The particular Andalusian R1b-M269 assemblage confirms the shallow topology of the clade. Moreover, the sharing of lineages with the rest of Europe indicates the impact in Iberia of an amount of pre-existing diversity, with the possible exception of R1b-DF27. Lineages such as J2-M172 and G-M201 highlight the importance of maritime travels of early farmers who reached the Iberian Peninsula.
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Affiliation(s)
- Candela L Hernández
- a Departamento de Biodiversidad, Ecología y Evolución, Facultad de Biología , Universidad Complutense , Madrid , Spain
| | - Jean-Michel Dugoujon
- b CNRS UMR 5288 Laboratoire d'Anthropologie Moléculaire et d'Imagerie de Synthèse (AMIS) , Université Paul Sabatier Toulouse III , Toulouse , France
| | - Luis J Sánchez-Martínez
- a Departamento de Biodiversidad, Ecología y Evolución, Facultad de Biología , Universidad Complutense , Madrid , Spain
| | - Pedro Cuesta
- c Centro de Proceso de Datos , Universidad Complutense , Madrid , Spain
| | | | - Rosario Calderón
- a Departamento de Biodiversidad, Ecología y Evolución, Facultad de Biología , Universidad Complutense , Madrid , Spain
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18
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Traore K, Konate S, Thera MA, Niangaly A, Ba A, Niare A, Arama C, Di Cristofaro J, Baby M, Picot S, Chiaroni J, Boetsch G, Doumbo OK. Genetic polymorphisms with erythrocyte traits in malaria endemic areas of Mali. PLoS One 2019; 14:e0209966. [PMID: 30608964 PMCID: PMC6319707 DOI: 10.1371/journal.pone.0209966] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 12/16/2018] [Indexed: 11/19/2022] Open
Abstract
African populations are characterized by high degree of genetic diversity. This high genetic diversity could result from the natural selection pressure. Several studies have described an association between some genetic diversities and difference of susceptibility to infectious diseases like malaria. It seems therefore important to consider genetic diversity impact when interpreting results of clinical trials in malaria endemic areas. This study aimed to determine the genetic polymorphism with erythrocyte traits in different populations of malaria endemic area in Mali. The cross-sectional surveys were carried out in different ethnic groups living in malaria endemic areas in Mali. Six milliliters of whole blood were collected in EDTA vials from each participant after informed consent has been obtained. The ABO, RH, Kell, MNSs, Kidd and Duffy systems phenotypes were assessed by the technique of gel filtration. A total of 231 subjects were included from six villages. The blood groups phenotypes O (40.7%) and A (31.2%) were more frequent with respective allele frequencies of 0.65 and 0.21. In the RH system the haplotypes R0 (0.55), r (0.20) and R1 (0.13) were the most frequent. Seven percent (7%) of Duffy positive and 4% of Glycophorin B deficiency (S-s-) were observed among participants. All participants were Kell negative. ABO and RH systems were polymorphic in these ethnic groups in Mali. Their implication in susceptibility to malaria should be taken into account in clinical trials interpretation, and for prevention of blood transfusion risks during anemia frequently caused by malaria in children.
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Affiliation(s)
- Karim Traore
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
- Univ Lyon, Université Claude Bernard Lyon 1, Institut de Chimie et Biochimie Moléculaire et Supramoléculaire, UMR-5246 CNRS-INSA-CPE, Malaria Research Unit, Lyon, France
- Unité Mixte International UMI 3189 –Environnement—Santé—Sociétés, (CNRS/USTTB, CNRST/UGB/UCAD) Université Cheikh Anta Diop, Dakar, Sénégal
- * E-mail:
| | - Salimata Konate
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
| | - Mahamadou A. Thera
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
- Unité Mixte International UMI 3189 –Environnement—Santé—Sociétés, (CNRS/USTTB, CNRST/UGB/UCAD) Université Cheikh Anta Diop, Dakar, Sénégal
| | - Amadou Niangaly
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
| | - Alhassane Ba
- Centre National de Transfusion Sanguine (CNTS), Bamako, Mali
| | - Alassane Niare
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
| | - Charles Arama
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
| | | | - Mounirou Baby
- Centre National de Transfusion Sanguine (CNTS), Bamako, Mali
| | - Stephane Picot
- Univ Lyon, Université Claude Bernard Lyon 1, Institut de Chimie et Biochimie Moléculaire et Supramoléculaire, UMR-5246 CNRS-INSA-CPE, Malaria Research Unit, Lyon, France
| | - Jacques Chiaroni
- Aix-Marseille Université,CNRS, EFS, ADES UMR 7268, Marseille, France
| | - Gilles Boetsch
- Unité Mixte International UMI 3189 –Environnement—Santé—Sociétés, (CNRS/USTTB, CNRST/UGB/UCAD) Université Cheikh Anta Diop, Dakar, Sénégal
| | - Ogobara K. Doumbo
- Malaria Research and Training Center, DEAP/FMPOS, UMI3189, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako, Mali
- Unité Mixte International UMI 3189 –Environnement—Santé—Sociétés, (CNRS/USTTB, CNRST/UGB/UCAD) Université Cheikh Anta Diop, Dakar, Sénégal
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Diepenbroek M, Cytacka S, Szargut M, Arciszewska J, Zielińska G, Ossowski A. Analysis of male specific region of the human Y chromosome sheds light on historical events in Nazi occupied eastern Poland. Int J Legal Med 2018; 133:395-409. [PMID: 30327924 PMCID: PMC6373375 DOI: 10.1007/s00414-018-1943-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 10/10/2018] [Indexed: 11/25/2022]
Abstract
In Poland, during the World War II, almost 3 million people were killed during the Nazi occupation, and about 570,000 during the Soviet occupation. Furthermore, historians have estimated that after the World War II at least 30,000 people were killed during the Stalinist regime in Poland (1944–1956). The exact number is unknown, because both executions and burials were kept secret. Thousands of people just vanished. As a response to those events, forensic scientists from the Pomeranian Medical University in Szczecin in cooperation with historians from the Institute of National Remembrance started the project of the Polish Genetic Database of Victims of Totalitarianism, which aim is to identify victims killed in the years 1939–1956. Several exhumations were done under the project, with the biggest one done in Białystok. According to the information gathered by local historians, a detention centre in Białystok was the place of the secret burials in late 1940s and 1950s. Surprisingly, except few graves from the post-war period, most of the burials found in Białystok indicated that majority the victims were probably local civilians who died during the Nazi occupation. Unfortunately, data concerning what happened in the detention ward during that period of time is not very detailed. What was known is that people who got incarcerated were “political prisoners” what, according to Nazi politics, was based on their nationality, religion and activity against the Third Reich. The aim of this research was to test genetically the remains found in Białystok to determine their possible ethnic background, in order to shed new light on the victims and what happened in the Białystok detention centre during the Nazi occupation. The analysis of male specific region of the human Y chromosome shows that including phylogenetic analysis into the complex process led by the Polish Genetic Database of Victims of Totalitarianism may help with the final identification of hundreds of anonymous victims.
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Affiliation(s)
- Marta Diepenbroek
- Department of Forensic Genetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Street 72, Szczecin, Poland.
| | - Sandra Cytacka
- Department of Forensic Genetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Street 72, Szczecin, Poland
| | - Maria Szargut
- Department of Forensic Genetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Street 72, Szczecin, Poland
| | - Joanna Arciszewska
- Department of Forensic Genetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Street 72, Szczecin, Poland
| | - Grażyna Zielińska
- Department of Forensic Genetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Street 72, Szczecin, Poland
| | - Andrzej Ossowski
- Department of Forensic Genetics, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich Street 72, Szczecin, Poland
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The radial expansion of the Diego blood group system polymorphisms in Asia: mark of co-migration with the Mongol conquests. Eur J Hum Genet 2018; 27:125-132. [PMID: 30143806 PMCID: PMC6303257 DOI: 10.1038/s41431-018-0245-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Revised: 06/09/2018] [Accepted: 07/18/2018] [Indexed: 01/07/2023] Open
Abstract
Red cell polymorphisms can provide evidence of human migration and adaptation patterns. In Eurasia, the distribution of Diego blood group system polymorphisms remains unaddressed. To shed light on the dispersal of the Dia antigen, we performed analyses of correlations between the frequencies of DI*01 allele, C2-M217 and C2-M401 Y-chromosome haplotypes ascribed as being of Mongolian-origin and language affiliations, in 75 Eurasian populations including DI*01 frequency data from the HGDP-CEPH panel. We revealed that DI*01 reaches its highest frequency in Mongolia, Turkmenistan and Kyrgyzstan, expanding southward and westward across Asia with Altaic-speaking nomadic carriers of C2-M217, and even more precisely C2-M401, from their homeland presumably in Mongolia, between the third century BCE and the thirteenth century CE. The present study has highlighted the gene-culture co-migration with the demographic movements that occurred during the past two millennia in Central and East Asia. Additionally, this work contributes to a better understanding of the distribution of immunogenic erythrocyte polymorphisms with a view to improve transfusion safety.
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Grugni V, Raveane A, Mattioli F, Battaglia V, Sala C, Toniolo D, Ferretti L, Gardella R, Achilli A, Olivieri A, Torroni A, Passarino G, Semino O. Reconstructing the genetic history of Italians: new insights from a male (Y-chromosome) perspective. Ann Hum Biol 2018; 45:44-56. [PMID: 29382284 DOI: 10.1080/03014460.2017.1409801] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Due to its central and strategic position in Europe and in the Mediterranean Basin, the Italian Peninsula played a pivotal role in the first peopling of the European continent and has been a crossroad of peoples and cultures since then. AIM This study aims to gain more information on the genetic structure of modern Italian populations and to shed light on the migration/expansion events that led to their formation. SUBJECTS AND METHODS High resolution Y-chromosome variation analysis in 817 unrelated males from 10 informative areas of Italy was performed. Haplogroup frequencies and microsatellite haplotypes were used, together with available data from the literature, to evaluate Mediterranean and European inputs and date their arrivals. RESULTS Fifty-three distinct Y-chromosome lineages were identified. Their distribution is in general agreement with geography, southern populations being more differentiated than northern ones. CONCLUSIONS A complex genetic structure reflecting the multifaceted peopling pattern of the Peninsula emerged: southern populations show high similarity with those from the Middle East and Southern Balkans, while those from Northern Italy are close to populations of North-Western Europe and the Northern Balkans. Interestingly, the population of Volterra, an ancient town of Etruscan origin in Tuscany, displays a unique Y-chromosomal genetic structure.
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Affiliation(s)
- Viola Grugni
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Alessandro Raveane
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Francesca Mattioli
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Vincenza Battaglia
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Cinzia Sala
- b Divisione di Genetica e Biologia Cellulare , Istituto Scientifico San Raffaele , Milano , Italy
| | - Daniela Toniolo
- b Divisione di Genetica e Biologia Cellulare , Istituto Scientifico San Raffaele , Milano , Italy
| | - Luca Ferretti
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Rita Gardella
- c Dipartimento di Medicina Molecolare e Traslazionale , Università di Brescia , Brescia , Italy
| | - Alessandro Achilli
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Anna Olivieri
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Antonio Torroni
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
| | - Giuseppe Passarino
- d Dipartimento di Biologia, Ecologia e Scienze della Terra , Università della Calabria , Arcavacata di Rende , Cosenza , Italy
| | - Ornella Semino
- a Dipartimento di Biologia e Biotecnologie "L. Spallanzani" , Università di Pavia , Pavia , Italy
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Larmuseau MHD, Ottoni C. Mediterranean Y-chromosome 2.0-why the Y in the Mediterranean is still relevant in the postgenomic era. Ann Hum Biol 2018; 45:20-33. [PMID: 29382278 DOI: 10.1080/03014460.2017.1402956] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
CONTEXT Due to its unique paternal inheritance, the Y-chromosome has been a highly popular marker among population geneticists for over two decades. Recently, the advent of cost-effective genome-wide methods has unlocked information-rich autosomal genomic data, paving the way to the postgenomic era. This seems to have announced the decreasing popularity of investigating Y-chromosome variation, which provides only the paternal perspective of human ancestries and is strongly influenced by genetic drift and social behaviour. OBJECTIVE For this special issue on population genetics of the Mediterranean, the aim was to demonstrate that the Y-chromosome still provides important insights in the postgenomic era and in a time when ancient genomes are becoming exponentially available. METHODS A systematic literature search on Y-chromosomal studies in the Mediterranean was performed. RESULTS Several applications of Y-chromosomal analysis with future opportunities are formulated and illustrated with studies on Mediterranean populations. CONCLUSIONS There will be no reduced interest in Y-chromosomal studies going from reconstruction of male-specific demographic events to ancient DNA applications, surname history and population-wide estimations of extra-pair paternity rates. Moreover, more initiatives are required to collect population genetic data of Y-chromosomal markers for forensic research, and to include Y-chromosomal data in GWAS investigations and studies on male infertility.
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Affiliation(s)
- Maarten H D Larmuseau
- a KU Leuven, Forensic Biomedical Sciences , Department of Imaging & Pathology , Leuven , Belgium.,b KU Leuven, Laboratory of Socioecology and Social Evolution , Department of Biology , Leuven , Belgium
| | - Claudio Ottoni
- c Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences , University of Oslo , Oslo , Norway
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Prehistoric migrations through the Mediterranean basin shaped Corsican Y-chromosome diversity. PLoS One 2018; 13:e0200641. [PMID: 30067762 PMCID: PMC6070208 DOI: 10.1371/journal.pone.0200641] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 06/30/2018] [Indexed: 02/05/2023] Open
Abstract
The rarity of human remains makes it difficult to apprehend the first settlements in Corsica. It is admitted that initial colonization could have occurred during the Mesolithic period when glaciations would have shortened the open water travel distance from the continent. Mesolithic sites in Corsica show relatively short and irregular occupation, and suggest discontinuous settling of very mobile groups probably traveling by boat. Previous genetic studies on Corsican populations showed internal differentiation and a relatively poor genetic relationship with continental populations, despite intense historical contacts, however local Mesolithic-based genetic inheritance has never been properly estimated. The aim of this study was to explore the Corsican genetic profile of Y-chromosomes in order to trace the genetic signatures back to the first migrations to Corsica. This study included 321 samples from men throughout Corsica; samples from Provence and Tuscany were added to the cohort. All samples were typed for 92 Y-SNPs, and Y-STRs were also analyzed. Results revealed highly differentiated haplogroup patterns among Corsican populations. Haplogroup G had the highest frequency in Corsica, mostly displaying a unique Y-STR profile. When compared with Provence and Tuscany, Corsican populations displayed limited genetic proximity. Corsican populations present a remarkable Y-chromosome genetic mixture. Although the Corsican Y-chromosome profile shows similarities with both Provence and to a lesser extent Tuscany, it mainly displays its own specificity. This study confirms the high level of genetic diversity in Corsican populations and backs genetic contributions from prehistoric migrations associated with the Mesolithic, Neolithic and Metal Age eras, rather than from historical movements to Corsica, respectively attested by frequencies and TMRCA of haplogroups G2a-L91 and G2a-P15, J2a-M241 and J2-DYS445 = 6, R1b-U152 and R1b-U106. These results suggest that marine routes to reach the Corsican coast in many different points may have led to such a genetic heterogeneity.
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Hollard C, Zvénigorosky V, Kovalev A, Kiryushin Y, Tishkin A, Lazaretov I, Crubézy E, Ludes B, Keyser C. New genetic evidence of affinities and discontinuities between bronze age Siberian populations. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018; 167:97-107. [PMID: 29900529 DOI: 10.1002/ajpa.23607] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Revised: 04/10/2018] [Accepted: 04/26/2018] [Indexed: 11/12/2022]
Abstract
OBJECTIVES This work focuses on the populations of South Siberia during the Eneolithic and Bronze Age and specifically on the contribution of uniparental lineage and phenotypical data to the question of the genetic affinities and discontinuities between western and eastern populations. MATERIALS AND METHODS We performed molecular analyses on the remains of 28 ancient humans (10 Afanasievo (3600-2500 BC) and 18 Okunevo (2500-1800 BC) individuals). For each sample, two uniparentally inherited systems (mitochondrial DNA and Y-chromosome DNA) were studied, in order to trace back maternal and paternal lineages. Phenotype-informative SNPs (Single Nucleotide Polymorphisms) were also analyzed, along with autosomal STRs (Short Tandem Repeats). RESULTS Most of the Afanasievo men submitted to analysis belonged to a single sub-haplogroup, R1b1a1a, which reveals the predominance of this haplogroup in these early Bronze Age populations. Conversely, Okunevo individuals carried more diverse paternal lineages that mostly belonged to Asian/Siberian haplogroups. These differences are also apparent, although less strongly, in mitochondrial lineage composition and phenotype marker variant frequencies. DISCUSSION This study provides new elements that contribute to our understanding of the genetic interactions between populations in Eneolithic and Bronze Age southern Siberia. Our results support the hypothesis of a genetic link between Afanasievo and Yamnaya (in western Eurasia), as suggested by previous studies of other markers. However, we found no Y-chromosome lineage evidence of a possible Afanasievo migration to the Tarim Basin. Moreover, the presence of Y-haplogroup Q in Okunevo individuals links them to Native American populations, as was suggested by whole-genome sequencing.
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Affiliation(s)
- Clémence Hollard
- Institut de Médecine Légale, Université de Strasbourg, Strasbourg, France
| | - Vincent Zvénigorosky
- Institut de Médecine Légale, Université de Strasbourg, Strasbourg, France.,Laboratoire AMIS, CNRS UMR 5288, Université de Toulouse, Toulouse, France
| | - Alexey Kovalev
- Institute of Archaeology, Russian Academy of Sciences, Moscow, Russia
| | - Yurii Kiryushin
- The Laboratory of Interdisciplinary Studies in Archaeology of Western Siberia and Altai, Department of Archaeology, Ethnography and Museology, Altai State University, Barnaul, Russia
| | - Alexey Tishkin
- The Laboratory of Interdisciplinary Studies in Archaeology of Western Siberia and Altai, Department of Archaeology, Ethnography and Museology, Altai State University, Barnaul, Russia
| | - Igor Lazaretov
- Institute of the History of Material Culture, Russian Academy of Sciences, St. Petersburg, Russia
| | - Eric Crubézy
- Laboratoire AMIS, CNRS UMR 5288, Université de Toulouse, Toulouse, France
| | - Bertrand Ludes
- Laboratoire AMIS, CNRS UMR 5288, Université de Toulouse, Toulouse, France.,Institut Médico-légal de Paris, Paris, France.,Université Paris Descartes, Paris, France
| | - Christine Keyser
- Institut de Médecine Légale, Université de Strasbourg, Strasbourg, France.,Laboratoire AMIS, CNRS UMR 5288, Université de Toulouse, Toulouse, France
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Y-chromosomal Status of Six Indo-European-speaking Arab Subpopulations in Chaharmahal and Bakhtiari Province, Iran. IRANIAN JOURNAL OF PUBLIC HEALTH 2018; 47:435-440. [PMID: 29845033 PMCID: PMC5971182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND We analyzed the Y-chromosome haplogroups of six documented Arab subpopulations that accommodated separately in different counties of Chaharmahal and Bakhtiari Province but nowadays speak Indo-European language (Luri and Farsi). METHODS This was an outcome study conducted in 2015 to test whether there was any genetic relatedness among some Indo-European-speaking Arab subpopulation accommodated in a geographically similar region, Chaharmahal and Bakhtiari Province, Iran. Seven main Y-chromosome bi-allelic markers were genotyped in six documented Arab subpopulations. Therefore, after DNA extraction from blood samples, PCR reaction carried out by designed primers for J1-M267, J2-M172, and J-M304, I-M170, IJ-M429, F-M89 and K-M9 markers. Then PCR products after quality control on agarose gel were sequenced. RESULTS Most subjects (83.3%) belonged to F-M89 haplogroup. These subjects belonged to K-M9 (40%), J2-M172 (40%) and I-M170 (20%). Generally, there were at least three genetically distinct ancestors with a divergence date of about 22200 yr for I, 429000 for J and 47400 before present for K haplogroup and may show separate historical migrations of studied populations. As the most recent common ancestor (MRCA) of most of these populations, haplogroup F, lived about 40000-50000 yr ago, the data do not support a nearly close genetic relationship among all of these populations. However, there were populations with same haplogroups J2 (n=2), K (n=2), or with a closer MRCA, IJ haplogroups, among I and J2 haplogroups. Finding haplogroup I, a specific European haplogroup, among Arab populations was not expected. CONCLUSION Identification of various haplogroups in Arab subpopulations despite its small area and geographically conserved region of this part of Iranian plateau was unexpected.
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D’Atanasio E, Trombetta B, Bonito M, Finocchio A, Di Vito G, Seghizzi M, Romano R, Russo G, Paganotti GM, Watson E, Coppa A, Anagnostou P, Dugoujon JM, Moral P, Sellitto D, Novelletto A, Cruciani F. The peopling of the last Green Sahara revealed by high-coverage resequencing of trans-Saharan patrilineages. Genome Biol 2018; 19:20. [PMID: 29433568 PMCID: PMC5809971 DOI: 10.1186/s13059-018-1393-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 01/19/2018] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Little is known about the peopling of the Sahara during the Holocene climatic optimum, when the desert was replaced by a fertile environment. RESULTS In order to investigate the role of the last Green Sahara in the peopling of Africa, we deep-sequence the whole non-repetitive portion of the Y chromosome in 104 males selected as representative of haplogroups which are currently found to the north and to the south of the Sahara. We identify 5,966 mutations, from which we extract 142 informative markers then genotyped in about 8,000 subjects from 145 African, Eurasian and African American populations. We find that the coalescence age of the trans-Saharan haplogroups dates back to the last Green Sahara, while most northern African or sub-Saharan clades expanded locally in the subsequent arid phase. CONCLUSIONS Our findings suggest that the Green Sahara promoted human movements and demographic expansions, possibly linked to the adoption of pastoralism. Comparing our results with previously reported genome-wide data, we also find evidence for a sex-biased sub-Saharan contribution to northern Africans, suggesting that historical events such as the trans-Saharan slave trade mainly contributed to the mtDNA and autosomal gene pool, whereas the northern African paternal gene pool was mainly shaped by more ancient events.
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Affiliation(s)
- Eugenia D’Atanasio
- Dipartimento di Biologia e Biotecnologie “C. Darwin”, Sapienza Università di Roma, Rome, Italy
- Istituto Pasteur-Fondazione Cenci Bolognetti, Sapienza Università di Roma, Rome, Italy
| | - Beniamino Trombetta
- Dipartimento di Biologia e Biotecnologie “C. Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Maria Bonito
- Dipartimento di Biologia e Biotecnologie “C. Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Andrea Finocchio
- Dipartimento di Biologia, Università di Roma “Tor Vergata”, Rome, Italy
| | - Genny Di Vito
- Dipartimento di Biologia e Biotecnologie “C. Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Mara Seghizzi
- Dipartimento di Biologia e Biotecnologie “C. Darwin”, Sapienza Università di Roma, Rome, Italy
| | - Rita Romano
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Rome, Italy
| | - Gianluca Russo
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Rome, Italy
| | - Giacomo Maria Paganotti
- Botswana-University of Pennsylvania Partnership, Gaborone, Botswana
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | | | - Alfredo Coppa
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
| | - Paolo Anagnostou
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Rome, Italy
- Istituto Italiano di Antropologia, Rome, Italy
| | - Jean-Michel Dugoujon
- Centre National de la Recherche Scientifique (CNRS), Université Toulouse-3–Paul-Sabatier, Toulouse, France
| | - Pedro Moral
- Department of Animal Biology-Anthropology, Biodiversity Research Institute, University of Barcelona, Barcelona, Spain
| | | | - Andrea Novelletto
- Dipartimento di Biologia, Università di Roma “Tor Vergata”, Rome, Italy
| | - Fulvio Cruciani
- Dipartimento di Biologia e Biotecnologie “C. Darwin”, Sapienza Università di Roma, Rome, Italy
- Istituto di Biologia e Patologia Molecolari, CNR, Rome, Italy
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Y-chromosome haplogrouping for Asians using Y-SNP target sequencing. FORENSIC SCIENCE INTERNATIONAL GENETICS SUPPLEMENT SERIES 2017. [DOI: 10.1016/j.fsigss.2017.09.100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Tailoring Nutritional Advice for Mexicans Based on Prevalence Profiles of Diet-Related Adaptive Gene Polymorphisms. J Pers Med 2017; 7:jpm7040016. [PMID: 29125573 PMCID: PMC5748628 DOI: 10.3390/jpm7040016] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 11/06/2017] [Accepted: 11/08/2017] [Indexed: 12/18/2022] Open
Abstract
Diet-related adaptive gene (DRAG) polymorphisms identified in specific populations are associated with chronic disorders in carriers of the adaptive alleles due to changes in dietary and lifestyle patterns in recent times. Mexico’s population is comprised of Amerindians (AM) and Mestizos who have variable AM, European (EUR) and African genetic ancestry and an increased risk of nutrition-related chronic diseases. Nutritional advice based on the Mexican genome and the traditional food culture is needed to develop preventive and therapeutic strategies. Therefore, we aimed to provide a prevalence profile of several DRAG polymorphisms in the Mexican population, including Central West (CW) Mexico subpopulations. Geographic heat maps were built using ArcGIS10 (Esri, Redlands, CA, USA) software, based on the published data of the MTHFR C677T (rs1801133), ABCA1 Arg230Cys (rs9282541), APOE T388C (rs429358)/C526T (rs7412), LCT C-13910T (rs4988235) polymorphisms and AMY1 copy number variation (CNV). Also, new data obtained by allelic discrimination-real-time polymerase chain reaction (RT-PCR) assays for the MTHFR, ABCA1, and APOE polymorphisms as well as the AMY1 CNV in the CW Mexico subpopulations with different proportions of AM and EUR ancestry were included. In the CW region, the highest frequency of the MTHFR 677T, ABCA1 230C and APOE ε4 adaptive alleles was observed in the AM groups, followed by Mestizos with intermediate AM ancestry. The LCT-13910T allele frequency was highest in Mestizos-EUR but extremely low in AM, while the AMY1 diploid copy number was 6.82 ± 3.3 copies. Overall, the heat maps showed a heterogeneous distribution of the DRAG polymorphisms, in which the AM groups revealed the highest frequencies of the adaptive alleles followed by Mestizos. Given these genetic differences, genome-based nutritional advice should be tailored in a regionalized and individualized manner according to the available foods and Mexican traditional food culture that may lead to a healthier dietary pattern.
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Defining Y-SNP variation among the Flemish population (Western Europe) by full genome sequencing. Forensic Sci Int Genet 2017; 31:e12-e16. [PMID: 29089250 DOI: 10.1016/j.fsigen.2017.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 10/10/2017] [Accepted: 10/24/2017] [Indexed: 12/27/2022]
Abstract
Y-chromosomal single nucleotide polymorphisms (Y-SNPs) represent a powerful tool in forensic research and casework, especially for inferring paternal ancestry of unknown perpetrators and unidentified bodies. However, the wealth of recently discovered Y-SNPs, the 'jungle' of different evolutionary lineage trees and nomenclatures, and the lack of population-wide data of many phylogenetically mapped Y-SNPs, limits the use of Y-SNPs in routine forensic approaches. Recently, a concise reference phylogeny of the human Y chromosome, the 'Minimal Reference Y-tree', was introduced aiming to provide a stable phylogeny with optimal global discrimination capacity by including the most resolving Y-SNPs. Here, we obtained a representative sample of 270 whole-genome sequences (WGS) to grasp the Y-SNP variation within the autochthonous Flemish population (Belgium, Western Europe) according to this reference Y-tree. The high quality of the Y-SNP calling was guaranteed for the WGS sample as well as its representativeness for the Flemish population based on the comparison of the main haplogroup frequencies with those from earlier studies on Flanders and the Netherlands. The 270 Flemish Y chromosomes were assigned to 98 different sub-haplogroups of the Minimal Reference Y-tree, showing its high potential of discrimination and confirming the spectrum of evolutionary lineages within Western Europe in general and within Flanders in particular. The full database with all Y-SNP calls of the Flemish sample is public available for future updates including forensic and population genetic studies. New initiatives to categorise Y-SNP variation in other populations according to the reference phylogeny of the Y chromosome are highly encouraged for forensic applications. Recommendations to realise such future population sample sets are discussed based on this study.
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Dzhaubermezov MA, Ekomasova NV, Litvinov SS, Khusainova RI, Akhmetova VL, Balinova NV, Khusnutdinova EK. Genetic characterization of Balkars and Karachays according to the variability of the Y chromosome. RUSS J GENET+ 2017. [DOI: 10.1134/s1022795417100039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Batini C, Jobling MA. Detecting past male-mediated expansions using the Y chromosome. Hum Genet 2017; 136:547-557. [PMID: 28349239 DOI: 10.1007/s00439-017-1781-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 03/15/2017] [Indexed: 12/29/2022]
Abstract
Males and females display biological differences that lead to a higher variance of offspring number in males, and this is frequently exacerbated in human societies by mating practices, and possibly by past socio-cultural circumstances. This implies that the genetic record might contain the imprint of past male-mediated expansions, which can be investigated by analysing the male-specific region of the Y chromosome (MSY). Here, we review studies that have used MSY data to infer such expansions. Sets of short-tandem repeats define haplotypes of very low average frequencies, but in a few cases, high-frequency haplotypes are observed, forming the core of descent clusters. Estimates of the ages of such clusters, together with geographical information, have been used to propose powerful historical founders, including Genghis Khan, although without direct supporting evidence. Resequencing of multi-megabase segments of MSY has allowed the construction of detailed phylogenies in which branch lengths are proportional to time, leading to the identification of lineage expansions in the last few millennia as well as the more distant past. Comparisons with maternally-inherited mitochondrial DNA sequence data allow the male specificity of some of these expansions to be demonstrated. These include expansions in Europe in the last ~5000 years that may be associated with a cultural shift during the Bronze Age, as well as expansions elsewhere in the world for which explanations from archaeological evidence are not yet clear.
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Affiliation(s)
- Chiara Batini
- Department of Health Sciences, University of Leicester, University Road, Leicester, LE1 7RH, UK.
| | - Mark A Jobling
- Department of Genetics, University of Leicester, University Road, Leicester, LE1 7RH, UK.
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Balanovsky O, Gurianov V, Zaporozhchenko V, Balaganskaya O, Urasin V, Zhabagin M, Grugni V, Canada R, Al-Zahery N, Raveane A, Wen SQ, Yan S, Wang X, Zalloua P, Marafi A, Koshel S, Semino O, Tyler-Smith C, Balanovska E. Phylogeography of human Y-chromosome haplogroup Q3-L275 from an academic/citizen science collaboration. BMC Evol Biol 2017; 17:18. [PMID: 28251872 PMCID: PMC5333174 DOI: 10.1186/s12862-016-0870-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background The Y-chromosome haplogroup Q has three major branches: Q1, Q2, and Q3. Q1 is found in both Asia and the Americas where it accounts for about 90% of indigenous Native American Y-chromosomes; Q2 is found in North and Central Asia; but little is known about the third branch, Q3, also named Q1b-L275. Here, we combined the efforts of population geneticists and genetic genealogists to use the potential of full Y-chromosome sequencing for reconstructing haplogroup Q3 phylogeography and suggest possible linkages to events in population history. Results We analyzed 47 fully sequenced Y-chromosomes and reconstructed the haplogroup Q3 phylogenetic tree in detail. Haplogroup Q3-L275, derived from the oldest known split within Eurasian/American haplogroup Q, most likely occurred in West or Central Asia in the Upper Paleolithic period. During the Mesolithic and Neolithic epochs, Q3 remained a minor component of the West Asian Y-chromosome pool and gave rise to five branches (Q3a to Q3e), which spread across West, Central and parts of South Asia. Around 3–4 millennia ago (Bronze Age), the Q3a branch underwent a rapid expansion, splitting into seven branches, some of which entered Europe. One of these branches, Q3a1, was acquired by a population ancestral to Ashkenazi Jews and grew within this population during the 1st millennium AD, reaching up to 5% in present day Ashkenazi. Conclusions This study dataset was generated by a massive Y-chromosome genotyping effort in the genetic genealogy community, and phylogeographic patterns were revealed by a collaboration of population geneticists and genetic genealogists. This positive experience of collaboration between academic and citizen science provides a model for further joint projects. Merging data and skills of academic and citizen science promises to combine, respectively, quality and quantity, generalization and specialization, and achieve a well-balanced and careful interpretation of the paternal-side history of human populations. Electronic supplementary material The online version of this article (doi:10.1186/s12862-016-0870-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Oleg Balanovsky
- Vavilov Institute of General Genetics, Moscow, Russia. .,Research Centre for Medical Genetics, Moscow, Russia.
| | | | - Valery Zaporozhchenko
- Vavilov Institute of General Genetics, Moscow, Russia.,Research Centre for Medical Genetics, Moscow, Russia
| | | | | | - Maxat Zhabagin
- National Laboratory Astana, Nazarbayev University, Astana, Republic of Kazakhstan
| | - Viola Grugni
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy
| | | | - Nadia Al-Zahery
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy
| | - Alessandro Raveane
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy
| | - Shao-Qing Wen
- Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China
| | - Shi Yan
- Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China
| | - Xianpin Wang
- Department of Criminal Investigation, Xuanwei Public Security Bureau, Xuanwei, China
| | | | | | - Sergey Koshel
- Faculty of Geography, Lomonosov Moscow State University, Moscow, Russia
| | - Ornella Semino
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy
| | - Chris Tyler-Smith
- The Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Elena Balanovska
- Vavilov Institute of General Genetics, Moscow, Russia.,Research Centre for Medical Genetics, Moscow, Russia
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Tarkhnishvili D, Gavashelishvili A, Murtskhvaladze M, Gabelaia M, Tevzadze G. Human paternal lineages, languages, and environment in the Caucasus. Hum Biol 2015; 86:113-30. [PMID: 25397702 DOI: 10.3378/027.086.0205] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2014] [Indexed: 11/05/2022]
Abstract
Publications that describe the composition of the human Y-DNA haplogroup in diffferent ethnic or linguistic groups and geographic regions provide no explicit explanation of the distribution of human paternal lineages in relation to specific ecological conditions. Our research attempts to address this topic for the Caucasus, a geographic region that encompasses a relatively small area but harbors high linguistic, ethnic, and Y-DNA haplogroup diversity. We genotyped 224 men that identified themselves as ethnic Georgian for 23 Y-chromosome short tandem-repeat markers and assigned them to their geographic places of origin. The genotyped data were supplemented with published data on haplogroup composition and location of other ethnic groups of the Caucasus. We used multivariate statistical methods to see if linguistics, climate, and landscape accounted for geographical diffferences in frequencies of the Y-DNA haplogroups G2, R1a, R1b, J1, and J2. The analysis showed significant associations of (1) G2 with wellforested mountains, (2) J2 with warm areas or poorly forested mountains, and (3) J1 with poorly forested mountains. R1b showed no association with environment. Haplogroups J1 and R1a were significantly associated with Daghestanian and Kipchak speakers, respectively, but the other haplogroups showed no such simple associations with languages. Climate and landscape in the context of competition over productive areas among diffferent paternal lineages, arriving in the Caucasus in diffferent times, have played an important role in shaping the present-day spatial distribution of patrilineages in the Caucasus. This spatial pattern had formed before linguistic subdivisions were finally shaped, probably in the Neolithic to Bronze Age. Later historical turmoil had little influence on the patrilineage composition and spatial distribution. Based on our results, the scenario of postglacial expansions of humans and their languages to the Caucasus from the Middle East, western Eurasia, and the East European Plain is plausible.
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Affiliation(s)
- David Tarkhnishvili
- Center of Biodiversity Studies, Institute of Ecology, Ilia State University, Tbilisi, Georgia
| | | | - Marine Murtskhvaladze
- Center of Biodiversity Studies, Institute of Ecology, Ilia State University, Tbilisi, Georgia
| | - Mariam Gabelaia
- Center of Biodiversity Studies, Institute of Ecology, Ilia State University, Tbilisi, Georgia
| | - Gigi Tevzadze
- 4D Research Institute, Ilia State University, Tbilisi, Georgia
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The Paternal Landscape along the Bight of Benin - Testing Regional Representativeness of West-African Population Samples Using Y-Chromosomal Markers. PLoS One 2015; 10:e0141510. [PMID: 26544036 PMCID: PMC4636292 DOI: 10.1371/journal.pone.0141510] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 10/08/2015] [Indexed: 11/19/2022] Open
Abstract
Patterns of genetic variation in human populations across the African continent are still not well studied in comparison with Eurasia and America, despite the high genetic and cultural diversity among African populations. In population and forensic genetic studies a single sample is often used to represent a complete African region. In such a scenario, inappropriate sampling strategies and/or the use of local, isolated populations may bias interpretations and pose questions of representativeness at a macrogeographic-scale. The non-recombining region of the Y-chromosome (NRY) has great potential to reveal the regional representation of a sample due to its powerful phylogeographic information content. An area poorly characterized for Y-chromosomal data is the West-African region along the Bight of Benin, despite its important history in the trans-Atlantic slave trade and its large number of ethnic groups, languages and lifestyles. In this study, Y-chromosomal haplotypes from four Beninese populations were determined and a global meta-analysis with available Y-SNP and Y-STR data from populations along the Bight of Benin and surrounding areas was performed. A thorough methodology was developed allowing comparison of population samples using Y-chromosomal lineage data based on different Y-SNP panels and phylogenies. Geographic proximity turned out to be the best predictor of genetic affinity between populations along the Bight of Benin. Nevertheless, based on Y-chromosomal data from the literature two population samples differed strongly from others from the same or neighbouring areas and are not regionally representative within large-scale studies. Furthermore, the analysis of the HapMap sample YRI of a Yoruban population from South-western Nigeria based on Y-SNPs and Y-STR data showed for the first time its regional representativeness, a result which is important for standard population and forensic genetic applications using the YRI sample. Therefore, the uniquely and powerful geographical information carried by the Y-chromosome makes it an important locus to test the representativeness of a certain sample even in the genomic era, especially in poorly investigated areas like Africa.
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Robinson MR, Hemani G, Medina-Gomez C, Mezzavilla M, Esko T, Shakhbazov K, Powell JE, Vinkhuyzen A, Berndt SI, Gustafsson S, Justice AE, Kahali B, Locke AE, Pers TH, Vedantam S, Wood AR, van Rheenen W, Andreassen OA, Gasparini P, Metspalu A, Berg LHVD, Veldink JH, Rivadeneira F, Werge TM, Abecasis GR, Boomsma DI, Chasman DI, de Geus EJC, Frayling TM, Hirschhorn JN, Hottenga JJ, Ingelsson E, Loos RJF, Magnusson PKE, Martin NG, Montgomery GW, North KE, Pedersen NL, Spector TD, Speliotes EK, Goddard ME, Yang J, Visscher PM. Population genetic differentiation of height and body mass index across Europe. Nat Genet 2015; 47:1357-62. [PMID: 26366552 PMCID: PMC4984852 DOI: 10.1038/ng.3401] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/19/2015] [Indexed: 12/13/2022]
Abstract
Across-nation differences in the mean values for complex traits are common, but the reasons for these differences are unknown. Here we find that many independent loci contribute to population genetic differences in height and body mass index (BMI) in 9,416 individuals across 14 European countries. Using discovery data on over 250,000 individuals and unbiased effect size estimates from 17,500 sibling pairs, we estimate that 24% (95% credible interval (CI) = 9%, 41%) and 8% (95% CI = 4%, 16%) of the captured additive genetic variance for height and BMI, respectively, reflect population genetic differences. Population genetic divergence differed significantly from that in a null model (height, P < 3.94 × 10(-8); BMI, P < 5.95 × 10(-4)), and we find an among-population genetic correlation for tall and slender individuals (r = -0.80, 95% CI = -0.95, -0.60), consistent with correlated selection for both phenotypes. Observed differences in height among populations reflected the predicted genetic means (r = 0.51; P < 0.001), but environmental differences across Europe masked genetic differentiation for BMI (P < 0.58).
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Affiliation(s)
- Matthew R Robinson
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
| | - Gibran Hemani
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
| | - Carolina Medina-Gomez
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Massimo Mezzavilla
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) 'Burlo Garofolo', Trieste, Italy
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | - Tonu Esko
- Estonian Genome Center, University of Tartu, Tartu, Estonia
- Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA
| | - Konstantin Shakhbazov
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
| | - Joseph E Powell
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
- University of Queensland Diamantina Institute, University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Anna Vinkhuyzen
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
| | - Sonja I Berndt
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, US National Institutes of Health, Bethesda, Maryland, USA
| | - Stefan Gustafsson
- Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Anne E Justice
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Bratati Kahali
- Division of Gastroenterology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, USA
| | - Adam E Locke
- Center for Statistical Genetics, Department of Biostatistics, University of Michigan, Ann Arbor, Michigan, USA
| | - Tune H Pers
- Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA
- Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Lyngby, Denmark
| | - Sailaja Vedantam
- Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Andrew R Wood
- Genetics of Complex Traits, University of Exeter Medical School, University of Exeter, Exeter, UK
| | - Wouter van Rheenen
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Ole A Andreassen
- Norwegian Centre for Mental Disorders Research (NORMENT), KG Jebsen Centre for Psychosis Research, Division of Mental Health and Addiction, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Paolo Gasparini
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) 'Burlo Garofolo', Trieste, Italy
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, UK
| | | | - Leonard H van den Berg
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jan H Veldink
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Fernando Rivadeneira
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Thomas M Werge
- Institute of Biological Psychiatry, MHC Sct. Hans, Mental Health Devices Copenhagen, Roskilde, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Lundbeck Foundation Initiative for Integrative Psychiatric Research, (iPSYCH), Aarhus, Denmark
| | - Goncalo R Abecasis
- Center for Statistical Genetics, Department of Biostatistics, University of Michigan, Ann Arbor, Michigan, USA
| | - Dorret I Boomsma
- Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, the Netherlands
- EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, the Netherlands
| | - Daniel I Chasman
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA
- Division of Preventive Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Eco J C de Geus
- Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, the Netherlands
- EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, the Netherlands
| | - Timothy M Frayling
- Genetics of Complex Traits, University of Exeter Medical School, University of Exeter, Exeter, UK
| | - Joel N Hirschhorn
- Estonian Genome Center, University of Tartu, Tartu, Estonia
- Center for Basic and Translational Obesity Research, Boston Children's Hospital, Boston, Massachusetts, USA
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Department of Genetics, Harvard Medical School, Boston, Massachusetts, USA
| | - Jouke Jan Hottenga
- Neuroscience Campus Amsterdam, VU University Medical Center, Amsterdam, the Netherlands
- EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, the Netherlands
| | - Erik Ingelsson
- Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Ruth J F Loos
- Medical Research Council (MRC) Epidemiology Unit, University of Cambridge, Institute of Metabolic Science, Addenbrooke's Hospital, Cambridge, UK
- Charles Bronfman Institute for Personalized Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Genetics of Obesity and Related Metabolic Traits Program, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Patrik K E Magnusson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Nicholas G Martin
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Grant W Montgomery
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Kari E North
- Division of Gastroenterology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan, USA
- Carolina Center for Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Nancy L Pedersen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Timothy D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, St. Thomas' Hospital, London, UK
| | - Elizabeth K Speliotes
- Center for Statistical Genetics, Department of Biostatistics, University of Michigan, Ann Arbor, Michigan, USA
| | - Michael E Goddard
- Biosciences Research Division, Department of Primary Industries, Melbourne, Victoria, Australia
- Department of Food and Agricultural Systems, University of Melbourne, Melbourne, Victoria, Australia
| | - Jian Yang
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
- University of Queensland Diamantina Institute, University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Peter M Visscher
- Queensland Brain Institute, University of Queensland, Brisbane, Queensland, Australia
- University of Queensland Diamantina Institute, University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
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Deep History of East Asian Populations Revealed Through Genetic Analysis of the Ainu. Genetics 2015; 202:261-72. [PMID: 26500257 DOI: 10.1534/genetics.115.178673] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 10/19/2015] [Indexed: 12/22/2022] Open
Abstract
Despite recent advances in population genomics, much remains to be elucidated with regard to East Asian population history. The Ainu, a hunter-gatherer population of northern Japan and Sakhalin island of Russia, are thought to be key to elucidating the prehistory of Japan and the peopling of East Asia. Here, we study the genetic relationship of the Ainu with other East Asian and Siberian populations outside the Japanese archipelago using genome-wide genotyping data. We find that the Ainu represent a deep branch of East Asian diversity more basal than all present-day East Asian farmers. However, we did not find a genetic connection between the Ainu and populations of the Tibetan plateau, rejecting their long-held hypothetical connection based on Y chromosome data. Unlike all other East Asian populations investigated, the Ainu have a closer genetic relationship with northeast Siberians than with central Siberians, suggesting ancient connections among populations around the Sea of Okhotsk. We also detect a recent genetic contribution of the Ainu to nearby populations, but no evidence for reciprocal recent gene flow is observed. Whole genome sequencing of contemporary and ancient Ainu individuals will be helpful to understand the details of the deep history of East Asians.
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Benton MC, Stuart S, Bellis C, Macartney-Coxson D, Eccles D, Curran JE, Chambers G, Blangero J, Lea RA, Grffiths LR. 'Mutiny on the Bounty': the genetic history of Norfolk Island reveals extreme gender-biased admixture. INVESTIGATIVE GENETICS 2015; 6:11. [PMID: 26339467 PMCID: PMC4558825 DOI: 10.1186/s13323-015-0028-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Accepted: 08/28/2015] [Indexed: 11/17/2022]
Abstract
Background The Pacific Oceania region was one of the last regions of the world to be settled via human migration. Here we outline a settlement of this region that has given rise to a uniquely admixed population. The current Norfolk Island population has arisen from a small number of founders with mixed Caucasian and Polynesian ancestry, descendants of a famous historical event. The ‘Mutiny on the Bounty’ has been told in history books, songs and the big screen, but recently this story can be portrayed through comprehensive molecular genetics. Written history details betrayal and murder leading to the founding of Pitcairn Island by European mutineers and the Polynesian women who left Tahiti with them. Investigation of detailed genealogical records supports historical accounts. Findings Using genetics, we show distinct maternal Polynesian mitochondrial lineages in the present day population, as well as a European centric Y-chromosome phylogeny. These results comprehensively characterise the unique gender-biased admixture of this genetic isolate and further support the historical records relating to Norfolk Island. Conclusions Our results significantly refine previous population genetic studies investigating Polynesian versus Caucasian diversity in the Norfolk Island population and add information that is beneficial to future disease and gene mapping studies. Electronic supplementary material The online version of this article (doi:10.1186/s13323-015-0028-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Miles C Benton
- Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Q Block, 66 Musk Avenue, Kelvin Grove Campus, Brisbane, QLD 4001 Australia
| | - Shani Stuart
- Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Q Block, 66 Musk Avenue, Kelvin Grove Campus, Brisbane, QLD 4001 Australia
| | - Claire Bellis
- Texas Biomedical Research Institute, San Antonio, TX 78227 USA
| | - Donia Macartney-Coxson
- Kenepuru Science Centre, Institute of Environmental Science and Research, Wellington, 5240 New Zealand
| | - David Eccles
- Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Q Block, 66 Musk Avenue, Kelvin Grove Campus, Brisbane, QLD 4001 Australia
| | - Joanne E Curran
- Texas Biomedical Research Institute, San Antonio, TX 78227 USA
| | - Geoff Chambers
- School of Biological Sciences, Victoria University of Wellington, Wellington, 6140 New Zealand
| | - John Blangero
- South Texas Diabetes and Obesity Institute, University of Texas Rio Grande Valley School of Medicine, Brownsville, TX 78520 USA
| | - Rod A Lea
- Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Q Block, 66 Musk Avenue, Kelvin Grove Campus, Brisbane, QLD 4001 Australia
| | - Lyn R Grffiths
- Genomics Research Centre, Institute of Health and Biomedical Innovation, Queensland University of Technology, Q Block, 66 Musk Avenue, Kelvin Grove Campus, Brisbane, QLD 4001 Australia
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Ning C, Yan S, Hu K, Cui YQ, Jin L. Refined phylogenetic structure of an abundant East Asian Y-chromosomal haplogroup O*-M134. Eur J Hum Genet 2015; 24:307-9. [PMID: 26306641 DOI: 10.1038/ejhg.2015.183] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 07/02/2015] [Accepted: 07/05/2015] [Indexed: 11/09/2022] Open
Abstract
The human Y-chromosome haplogroup O-M134 is one of the most abundant paternal lineages in East Asian populations, comprising ~13% of Han Chinese males, and also common in Kazakh, Korean, Japanese, Thai and so on. Despite its considerable prevalence, its current substructure is poorly resolved with only one downstream marker (M117) previously investigated. Here we address this deficiency by investigating some single-nucleotide polymorphisms (SNPs) previously reported being potentially associated with O-M134 based on high-throughput DNA-sequencing data. Using a panel of 1301 Chinese males we first identified 154 haplogroup O-M134 subjects. We then investigated the phylogenetic structure within this haplogroup using 10 SNPs (F444, F629, F3451, F46, F48, F209, F2887, F3386, F1739 and F152). Two major branches were identified, O-M117 and O-F444 and the latter was further divided into two main subclades, O-F629 and O-F3451, accounting for 10.84 and 0.92% of the Han Chinese, respectively. This update of O-M134 diversification permits better resolution of male lineages in population studies of East Asia.
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Affiliation(s)
- Chao Ning
- School of Life Sciences, Jilin University, Changchun, China
| | - Shi Yan
- Ministry of Education, Key Laboratory of Contemporary Anthropology and Center for Evolutionary Biology, School of Life Sciences and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Kang Hu
- Key Laboratory of High Altitude Environment and Gene Related to Disease of Tibet Ministry of Education, Tibet University for Nationalities, Xianyang, China
| | - Yin-Qiu Cui
- School of Life Sciences, Jilin University, Changchun, China
| | - Li Jin
- Ministry of Education, Key Laboratory of Contemporary Anthropology and Center for Evolutionary Biology, School of Life Sciences and Institutes of Biomedical Sciences, Fudan University, Shanghai, China.,Chinese Academy of Sciences Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, SIBS, CAS, Shanghai, China
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40
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Triki-Fendri S, Sánchez-Diz P, Rey-González D, Alfadhli S, Ayadi I, Ben Marzoug R, Carracedo Á, Rebai A. Genetic structure of the Kuwaiti population revealed by paternal lineages. Am J Hum Biol 2015; 28:203-12. [PMID: 26293354 DOI: 10.1002/ajhb.22773] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Revised: 06/18/2015] [Accepted: 07/25/2015] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE We analyzed the Y-chromosome haplogroup diversity in the Kuwaiti population to gain a more complete overview of its genetic landscape. METHOD A sample of 117 males from the Kuwaiti population was studied through the analysis of 22 Y-SNPs. The results were then interpreted in conjunction with those of other populations from the Middle East, South Asia, North and East Africa, and East Europe. RESULTS The analyzed markers allowed the discrimination of 19 different haplogroups with a diversity of 0.7713. J-M304 was the most frequent haplogroup in the Kuwaiti population (55.5%) followed by E-M96 (18%). They revealed a genetic homogeneity between the Kuwaiti population and those of the Middle East (FST = 6.1%, P-value < 0.0001), although a significant correlation between genetic and geographic distances was found (r = 0.41, P-value = 0.009). Moreover, the nonsignificant pairwise FST genetic distances between the Kuwait population on the one hand and the Arabs of Iran and those of Sudan on the other, corroborate the hypothesis of bidirectional gene flow between Arabia and both Iran and Sudan. CONCLUSION Overall, we have revealed that the Kuwaiti population has experienced significant gene flow from neighboring populations like Saudi Arabia, Iran, and East Africa. Therefore, we have confirmed that the population of Kuwait is genetically coextensive with those of the Middle East.
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Affiliation(s)
- Soumaya Triki-Fendri
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, BP1177 Route Sidi Mansour Km 6, Sfax, Tunisia
| | - Paula Sánchez-Diz
- Forensic Genetics Unit, Institute of Forensic Science, University of Santiago De Compostela, Santiago De Compostela, Galicia, Spain
| | - Danel Rey-González
- Forensic Genetics Unit, Institute of Forensic Science, University of Santiago De Compostela, Santiago De Compostela, Galicia, Spain
| | - Suad Alfadhli
- Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, Kuwait University, Kuwait
| | - Imen Ayadi
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, BP1177 Route Sidi Mansour Km 6, Sfax, Tunisia
| | - Riadh Ben Marzoug
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, BP1177 Route Sidi Mansour Km 6, Sfax, Tunisia
| | - Ángel Carracedo
- Forensic Genetics Unit, Institute of Forensic Science, University of Santiago De Compostela, Santiago De Compostela, Galicia, Spain.,Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmed Rebai
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, BP1177 Route Sidi Mansour Km 6, Sfax, Tunisia
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Bégat C, Bailly P, Chiaroni J, Mazières S. Revisiting the Diego Blood Group System in Amerindians: Evidence for Gene-Culture Comigration. PLoS One 2015; 10:e0132211. [PMID: 26148209 PMCID: PMC4493026 DOI: 10.1371/journal.pone.0132211] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 06/12/2015] [Indexed: 11/24/2022] Open
Abstract
Six decades ago the DI*A allele of the Diego blood group system was instrumental in proving Native American populations originated from Siberia. Since then, it has received scant attention. The present study was undertaken to reappraise distribution of the DI*A allele in 144 Native American populations based on current knowledge. Using analysis of variance tests, frequency distribution was studied according to geographical, environmental, and cultural parameters. Frequencies were highest in Amazonian populations. In contrast, DI*A was undetectable in subarctic, Fuegian, Panamanian, Chaco and Yanomama populations. Closer study revealed a correlation that this unequal distribution was correlated with language, suggesting that linguistic divergence was a driving force in the expansion of DI*A among Native Americans. The absence of DI*A in circumpolar Eskimo-Aleut and Na-Dene speakers was consistent with a late migratory event confined to North America. Distribution of DI*A in subtropical areas indicated that gene and culture exchanges were more intense within than between ecozones. Bolstering the utility of classical genetic markers in biological anthropology, the present study of the expansion of Diego blood group genetic polymorphism in Native Americans shows strong evidence of gene-culture comigration.
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Affiliation(s)
- Christophe Bégat
- Aix Marseille Université, CNRS, EFS, ADES UMR 7268, 13916 Marseille, France
| | - Pascal Bailly
- Aix Marseille Université, CNRS, EFS, ADES UMR 7268, 13916 Marseille, France
- Etablissement Français du Sang Alpes Méditerranée, 13392 Marseille cedex 5, France
| | - Jacques Chiaroni
- Aix Marseille Université, CNRS, EFS, ADES UMR 7268, 13916 Marseille, France
- Etablissement Français du Sang Alpes Méditerranée, 13392 Marseille cedex 5, France
| | - Stéphane Mazières
- Aix Marseille Université, CNRS, EFS, ADES UMR 7268, 13916 Marseille, France
- * E-mail:
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Kwon SY, Lee HY, Lee EY, Yang WI, Shin KJ. Confirmation of Y haplogroup tree topologies with newly suggested Y-SNPs for the C2, O2b and O3a subhaplogroups. Forensic Sci Int Genet 2015; 19:42-46. [PMID: 26103100 DOI: 10.1016/j.fsigen.2015.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 05/06/2015] [Accepted: 06/09/2015] [Indexed: 11/19/2022]
Abstract
Y chromosome single nucleotide polymorphisms (Y-SNPs) are useful markers for reconstructing male lineages through hierarchically arranged allelic sets known as haplogroups, and are thereby widely used in the fields such as human evolution, anthropology and forensic genetics. The Y haplogroup tree was recently revised with newly suggested Y-SNP markers for designation of several subgroups of haplogroups C2, O2b and O3a, which are predominant in Koreans. Therefore, herein we analyzed these newly suggested Y-SNPs in 545 unrelated Korean males who belong to the haplogroups C2, O2b or O3a, and investigated the reconstructed topology of the Y haplogroup tree. We were able to confirm that markers L1373, Z1338/JST002613-27, Z1300, CTS2657, Z8440 and F845 define the C2 subhaplogroups, C2b, C2e, C2e1, C2e1a, C2e1b and C2e2, respectively, and that markers F3356, L682, F11, F238/F449 and F444 define the O subhaplogroups O2b1, O2b1b, O3a1c1, O3a1c2 and O3a2c1c, respectively. Among six C2 subhaplogroups (C2b, C2e, C2e1*, C2e1a, C2e1b and C2e2), the C2e haplogroup and its subhaplogroups were found to be predominant, and among the four O2b subhaplogroups (O2b*, O2b1*, O2b1a and O2b1b), O2b1b was most frequently observed. Among the O3a subhaplogroups, O3a2c1 was predominant and it was further divided into the subhaplogroups O3a2c1a and O3a2c1c with a newly suggested marker. However, the JST002613-27 marker, which had been known to define the haplogroup C2f, was found to be an ancestral marker of the C2e haplogroup, as is the Z1338 marker. Also, the M312 marker for the O2b1 haplogroup designation was replaced by F3356, because all of the O2b1 haplotypes showed a nucleotide change at F3356, but not at M312. In addition, the F238 marker was always observed to be phylogenetically equivalent to F449, while both of the markers were assigned to the O3a1c2 haplogroup. The confirmed phylogenetic tree of this study with the newly suggested Y-SNPs could be valuable for anthropological and forensic investigations of East Asians including Koreans.
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Affiliation(s)
- So Yeun Kwon
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea; Department of Forensic Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea
| | - Hwan Young Lee
- Department of Forensic Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea
| | - Eun Young Lee
- Department of Forensic Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea
| | - Woo Ick Yang
- Department of Forensic Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea
| | - Kyoung-Jin Shin
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea; Department of Forensic Medicine, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, South Korea.
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Trombetta B, D'Atanasio E, Massaia A, Ippoliti M, Coppa A, Candilio F, Coia V, Russo G, Dugoujon JM, Moral P, Akar N, Sellitto D, Valesini G, Novelletto A, Scozzari R, Cruciani F. Phylogeographic Refinement and Large Scale Genotyping of Human Y Chromosome Haplogroup E Provide New Insights into the Dispersal of Early Pastoralists in the African Continent. Genome Biol Evol 2015; 7:1940-50. [PMID: 26108492 PMCID: PMC4524485 DOI: 10.1093/gbe/evv118] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Haplogroup E, defined by mutation M40, is the most common human Y chromosome clade within Africa. To increase the level of resolution of haplogroup E, we disclosed the phylogenetic relationships among 729 mutations found in 33 haplogroup DE Y-chromosomes sequenced at high coverage in previous studies. Additionally, we dissected the E-M35 subclade by genotyping 62 informative markers in 5,222 samples from 118 worldwide populations. The phylogeny of haplogroup E showed novel features compared with the previous topology, including a new basal dichotomy. Within haplogroup E-M35, we resolved all the previously known polytomies and assigned all the E-M35* chromosomes to five new different clades, all belonging to a newly identified subhaplogroup (E-V1515), which accounts for almost half of the E-M35 chromosomes from the Horn of Africa. Moreover, using a Bayesian phylogeographic analysis and a single nucleotide polymorphism-based approach we localized and dated the origin of this new lineage in the northern part of the Horn, about 12 ka. Time frames, phylogenetic structuring, and sociogeographic distribution of E-V1515 and its subclades are consistent with a multistep demic spread of pastoralism within north-eastern Africa and its subsequent diffusion to subequatorial areas. In addition, our results increase the discriminative power of the E-M35 haplogroup for use in forensic genetics through the identification of new ancestry-informative markers.
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Affiliation(s)
- Beniamino Trombetta
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy
| | - Eugenia D'Atanasio
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy
| | - Andrea Massaia
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy Present address: The Wellcome Trust Sanger Institute, Hinxton, Cambridgeshire, United Kingdom
| | - Marco Ippoliti
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy
| | - Alfredo Coppa
- Dipartimento di Biologia Ambientale, Sapienza Università di Roma, Italy
| | | | - Valentina Coia
- Accademia Europea di Bolzano (EURAC), Istituto per le Mummie e l'Iceman, Bolzano, Italy
| | - Gianluca Russo
- Dipartimento di Sanità Pubblica e Malattie Infettive, Sapienza Università di Roma, Italy
| | - Jean-Michel Dugoujon
- Laboratoire d'Anthropologie Moléculaire et Imagerie de Synthèse, UMR 5288, Centre National de la Recherche Scientifique (CNRS), Université Toulouse-3-Paul-Sabatier, Toulouse, France
| | - Pedro Moral
- Department of Animal Biology-Anthropology, Biodiversity Research Institute, University of Barcelona, Spain
| | - Nejat Akar
- Pediatrics Department, TOBB-Economy and Technology University Hospital, Ankara, Turkey
| | | | - Guido Valesini
- Dipartimento di Medicina Interna e Specialità Mediche, Sapienza Università di Roma, Italy
| | - Andrea Novelletto
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy
| | - Rosaria Scozzari
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy
| | - Fulvio Cruciani
- Dipartimento di Biologia e Biotecnologie "C. Darwin," Sapienza Università di Roma, Italy Istituto di Biologia e Patologia Molecolari, CNR, Rome Italy
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Francalacci P, Sanna D, Useli A, Berutti R, Barbato M, Whalen MB, Angius A, Sidore C, Alonso S, Tofanelli S, Cucca F. Detection of phylogenetically informative polymorphisms in the entire euchromatic portion of human Y chromosome from a Sardinian sample. BMC Res Notes 2015; 8:174. [PMID: 25926048 PMCID: PMC4423141 DOI: 10.1186/s13104-015-1130-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 04/21/2015] [Indexed: 11/16/2022] Open
Abstract
Background Next-Generation Sequencing methods have led to a great increase in phylogenetically useful markers within the male specific portion of the Y chromosome, but previous studies have limited themselves to the study of the X-degenerate regions. Methods DNA was extracted from peripheral blood samples of adult males whose paternal grandfathers were born in Sardinia. The DNA samples were sequenced, genotyped and subsequently analysed for variant calling for approximately 23.1 Mbp of the Y chromosome. A phylogenetic tree was built using Network 4.6 software. Results From low coverage whole genome sequencing of 1,194 Sardinian males, we extracted 20,155 phylogenetically informative single nucleotide polymorphisms from the whole euchromatic region, including the X-degenerate, X-transposed, and Ampliconic regions, along with variants in other unclassified chromosome intervals and in the readable sequences of the heterochromatic region. Conclusions The non X-degenerate classes contain a significant portion of the phylogenetic variation of the whole chromosome and their inclusion in the analysis, almost doubling the number of informative polymorphisms, refining the known molecular phylogeny of the human Y chromosome. Electronic supplementary material The online version of this article (doi:10.1186/s13104-015-1130-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Paolo Francalacci
- Dipartimento di Scienze della Natura e del Territorio, Università di Sassari, Sassari, Italy.
| | - Daria Sanna
- Dipartimento di Scienze della Natura e del Territorio, Università di Sassari, Sassari, Italy.
| | - Antonella Useli
- Dipartimento di Scienze della Natura e del Territorio, Università di Sassari, Sassari, Italy.
| | - Riccardo Berutti
- Center for Advanced Studies, Research and Development in Sardinia, Sassari, Italy. .,Institut für Humangenetik, Helmholtz Zentrum, Munich, Germany.
| | - Mario Barbato
- Cardiff School of Biosciences, Cardiff University, Cardiff, UK.
| | | | - Andrea Angius
- Istituto di Ricerca Genetica e Biomedica CNR, Cagliari, Italy.
| | - Carlo Sidore
- Istituto di Ricerca Genetica e Biomedica CNR, Cagliari, Italy.
| | - Santos Alonso
- Departamento de Genética, Antropología Física y Fisiología Animal, Universidad del País Vasco, Bilbao, Spain.
| | | | - Francesco Cucca
- Istituto di Ricerca Genetica e Biomedica CNR, Cagliari, Italy. .,Dipartimento di Scienze Biomediche, Università di Sassari, Sassari, Italy.
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Hovhannisyan A, Khachatryan Z, Haber M, Hrechdakian P, Karafet T, Zalloua P, Yepiskoposyan L. Different waves and directions of Neolithic migrations in the Armenian Highland. INVESTIGATIVE GENETICS 2014; 5:15. [PMID: 25452838 PMCID: PMC4249771 DOI: 10.1186/s13323-014-0015-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 11/10/2014] [Indexed: 11/19/2022]
Abstract
Background The peopling of Europe and the nature of the Neolithic agricultural migration as a primary issue in the modern human colonization of the globe is still widely debated. At present, much uncertainty is associated with the reconstruction of the routes of migration for the first farmers from the Near East. In this context, hospitable climatic conditions and the key geographic position of the Armenian Highland suggest that it may have served as a conduit for several waves of expansion of the first agriculturalists from the Near East to Europe and the North Caucasus. Results Here, we assess Y-chromosomal distribution in six geographically distinct populations of Armenians that roughly represent the extent of historical Armenia. Using the general haplogroup structure and the specific lineages representing putative genetic markers of the Neolithic Revolution, haplogroups R1b1a2, J2, and G, we identify distinct patterns of genetic affinity between the populations of the Armenian Highland and the neighboring ones north and west from this area. Conclusions Based on the results obtained, we suggest a new insight on the different routes and waves of Neolithic expansion of the first farmers through the Armenian Highland. We detected at least two principle migratory directions: (1) westward alongside the coastline of the Mediterranean Sea and (2) northward to the North Caucasus. Electronic supplementary material The online version of this article (doi:10.1186/s13323-014-0015-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anahit Hovhannisyan
- Laboratory of Ethnogenomics, Institute of Molecular Biology NAS RA, 7 Hasratyan Str., Yerevan, Armenia
| | - Zaruhi Khachatryan
- Laboratory of Ethnogenomics, Institute of Molecular Biology NAS RA, 7 Hasratyan Str., Yerevan, Armenia
| | - Marc Haber
- The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, United Kingdom
| | | | - Tatiana Karafet
- ARL Division of Biotechnology, University of Arizona, Tucson, Arizona 85721 USA
| | - Pierre Zalloua
- School of Medicine, Lebanese American University, PO Box 13-5053, Chouran, Beirut 1102 2801 Lebanon ; Harvard School of Public Health, Boston, MA 02215 USA
| | - Levon Yepiskoposyan
- Laboratory of Ethnogenomics, Institute of Molecular Biology NAS RA, 7 Hasratyan Str., Yerevan, Armenia
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Juhász Z, Fehér T, Bárány G, Zalán A, Németh E, Pádár Z, Pamjav H. New clustering methods for population comparison on paternal lineages. Mol Genet Genomics 2014; 290:767-84. [PMID: 25388803 DOI: 10.1007/s00438-014-0949-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Accepted: 10/31/2014] [Indexed: 10/24/2022]
Abstract
The goal of this study is to show two new clustering and visualising techniques developed to find the most typical clusters of 18-dimensional Y chromosomal haplogroup frequency distributions of 90 Western Eurasian populations. The first technique called "self-organizing cloud (SOC)" is a vector-based self-learning method derived from the Self Organising Map and non-metric Multidimensional Scaling algorithms. The second technique is a new probabilistic method called the "maximal relation probability" (MRP) algorithm, based on a probability function having its local maximal values just in the condensation centres of the input data. This function is calculated immediately from the distance matrix of the data and can be interpreted as the probability that a given element of the database has a real genetic relation with at least one of the remaining elements. We tested these two new methods by comparing their results to both each other and the k-medoids algorithm. By means of these new algorithms, we determined 10 clusters of populations based on the similarity of haplogroup composition. The results obtained represented a genetically, geographically and historically well-interpretable picture of 10 genetic clusters of populations mirroring the early spread of populations from the Fertile Crescent to the Caucasus, Central Asia, Arabia and Southeast Europe. The results show that a parallel clustering of populations using SOC and MRP methods can be an efficient tool for studying the demographic history of populations sharing common genetic footprints.
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Affiliation(s)
- Z Juhász
- Department of Complex Systems, Research Centre for Natural Sciences of the HAS, Budapest, Hungary
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Improved phylogenetic resolution and rapid diversification of Y-chromosome haplogroup K-M526 in Southeast Asia. Eur J Hum Genet 2014; 23:369-73. [PMID: 24896152 DOI: 10.1038/ejhg.2014.106] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 03/14/2014] [Accepted: 04/30/2014] [Indexed: 11/09/2022] Open
Abstract
The highly structured distribution of Y-chromosome haplogroups suggests that current patterns of variation may be informative of past population processes. However, limited phylogenetic resolution, particularly of subclades within haplogroup K, has obscured the relationships of lineages that are common across Eurasia. Here we genotype 13 new highly informative single-nucleotide polymorphisms in a worldwide sample of 4413 males that carry the derived allele at M526, and reconstruct an NRY haplogroup tree with significantly higher resolution for the major clade within haplogroup K, K-M526. Although K-M526 was previously characterized by a single polytomy of eight major branches, the phylogenetic structure of haplogroup K-M526 is now resolved into four major subclades (K2a-d). The largest of these subclades, K2b, is divided into two clusters: K2b1 and K2b2. K2b1 combines the previously known haplogroups M, S, K-P60 and K-P79, whereas K2b2 comprises haplogroups P and its subhaplogroups Q and R. Interestingly, the monophyletic group formed by haplogroups R and Q, which make up the majority of paternal lineages in Europe, Central Asia and the Americas, represents the only subclade with K2b that is not geographically restricted to Southeast Asia and Oceania. Estimates of the interval times for the branching events between M9 and P295 point to an initial rapid diversification process of K-M526 that likely occurred in Southeast Asia, with subsequent westward expansions of the ancestors of haplogroups R and Q.
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Gebremeskel EI, Ibrahim ME. Y-chromosome E haplogroups: their distribution and implication to the origin of Afro-Asiatic languages and pastoralism. Eur J Hum Genet 2014; 22:1387-92. [PMID: 24667790 PMCID: PMC4231410 DOI: 10.1038/ejhg.2014.41] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 02/11/2014] [Accepted: 02/13/2014] [Indexed: 11/09/2022] Open
Abstract
Archeological and paleontological evidences point to East Africa as the likely area of early evolution of modern humans. Genetic studies also indicate that populations from the region often contain, but not exclusively, representatives of the more basal clades of mitochondrial and Y-chromosome phylogenies. Most Y-chromosome haplogroup diversity in Africa, however, is present within macrohaplogroup E that seem to have appeared 21 000-32 000 YBP somewhere between the Red Sea and Lake Chad. The combined analysis of 17 bi-allelic markers in 1214 Y chromosomes together with cultural background of 49 populations displayed in various metrics: network, multidimensional scaling, principal component analysis and neighbor-joining plots, indicate a major contribution of East African populations to the foundation of the macrohaplogroup, suggesting a diversification that predates the appearance of some cultural traits and the subsequent expansion that is more associated with the cultural and linguistic diversity witnessed today. The proto-Afro-Asiatic group carrying the E-P2 mutation may have appeared at this point in time and subsequently gave rise to the different major population groups including current speakers of the Afro-Asiatic languages and pastoralist populations.
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Affiliation(s)
- Eyoab I Gebremeskel
- 1] Department of Molecular Biology, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan [2] Department of Biology, Eritrea Institute of Technology, Mai-Nefhi, Eritrea
| | - Muntaser E Ibrahim
- Department of Molecular Biology, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan
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49
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The phylogenetic and geographic structure of Y-chromosome haplogroup R1a. Eur J Hum Genet 2014; 23:124-31. [PMID: 24667786 DOI: 10.1038/ejhg.2014.50] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 02/07/2014] [Accepted: 02/13/2014] [Indexed: 12/31/2022] Open
Abstract
R1a-M420 is one of the most widely spread Y-chromosome haplogroups; however, its substructure within Europe and Asia has remained poorly characterized. Using a panel of 16 244 male subjects from 126 populations sampled across Eurasia, we identified 2923 R1a-M420 Y-chromosomes and analyzed them to a highly granular phylogeographic resolution. Whole Y-chromosome sequence analysis of eight R1a and five R1b individuals suggests a divergence time of ∼25,000 (95% CI: 21,300-29,000) years ago and a coalescence time within R1a-M417 of ∼5800 (95% CI: 4800-6800) years. The spatial frequency distributions of R1a sub-haplogroups conclusively indicate two major groups, one found primarily in Europe and the other confined to Central and South Asia. Beyond the major European versus Asian dichotomy, we describe several younger sub-haplogroups. Based on spatial distributions and diversity patterns within the R1a-M420 clade, particularly rare basal branches detected primarily within Iran and eastern Turkey, we conclude that the initial episodes of haplogroup R1a diversification likely occurred in the vicinity of present-day Iran.
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50
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Van Geystelen A, Wenseleers T, Decorte R, Caspers MJL, Larmuseau MHD. In silico detection of phylogenetic informative Y-chromosomal single nucleotide polymorphisms from whole genome sequencing data. Electrophoresis 2014; 35:3102-10. [DOI: 10.1002/elps.201300459] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 12/03/2013] [Accepted: 01/07/2014] [Indexed: 12/25/2022]
Affiliation(s)
- Anneleen Van Geystelen
- Laboratory of Forensic Genetics and Molecular Archaeology; UZ Leuven Leuven Belgium
- Laboratory of Socioecology and Social Evolution; Department of Biology; KU Leuven Leuven Belgium
| | - Tom Wenseleers
- Laboratory of Socioecology and Social Evolution; Department of Biology; KU Leuven Leuven Belgium
| | - Ronny Decorte
- Laboratory of Forensic Genetics and Molecular Archaeology; UZ Leuven Leuven Belgium
- Biomedical Forensic Sciences; Department of Imaging & Pathology; KU Leuven Leuven Belgium
| | - Maarten J. L. Caspers
- Laboratory of Forensic Genetics and Molecular Archaeology; UZ Leuven Leuven Belgium
- Laboratory of Biodiversity and Evolutionary Genomics; Department of Biology; KU Leuven Leuven Belgium
| | - Maarten H. D. Larmuseau
- Laboratory of Forensic Genetics and Molecular Archaeology; UZ Leuven Leuven Belgium
- Biomedical Forensic Sciences; Department of Imaging & Pathology; KU Leuven Leuven Belgium
- Laboratory of Biodiversity and Evolutionary Genomics; Department of Biology; KU Leuven Leuven Belgium
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