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Cho S, Kim MY, Lee SD. Biogeographic origin and genetic characteristics of the peopling of Jeju Island based on lineage markers. Genes Genomics 2023; 45:307-18. [PMID: 36607592 DOI: 10.1007/s13258-022-01363-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 12/26/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Jeju Island is the largest island of South Korea, located southwest far from the mainland of Korea, and has a unique history and its own cultures that are distinguished from those of the other regions of the Korean mainland. However, the Jeju population has not been deeply investigated to date to understand their genetic structure, which may reflect their historical and geographical background. OBJECTIVE To identify the genetic characteristics and biogeographic origin of people of Jeju Island based on the statistical analysis of genetic data using lineage markers. METHODS 17 Y-STRs data for 615 unrelated males and mitochondrial DNA haplogroup data for 799 unrelated individuals residing on Jeju Island were generated, and analyzed to investigate genetic diversity and genetic characteristics using statistical methods including pairwise Fst or Rst, Analysis of molecular variance (AMOVA) and Multidimensional scaling (MDS). RESULTS For male individuals of Jeju Island, unique genetic characteristics were observed in the analysis of Y-STRs, including low haplotype diversity, strong association with surnames, genetic difference from other regions of Korea, and common genetic variation of the Y-STR loci known to be predominant in Northern populations, such as Mongolians. Statistical analysis of the mitochondrial DNA haplogroups also revealed similar results that showed low haplogroup diversity and high frequency of haplogroup Y prevalent mostly in ethnic populations around the Sea of Okhotsk in Northeastern Asia. All these results suggest that Jeju Island is genetically distinct from other regions of Korea, possibly being a subpopulation in Korea, and related closely to Northern Asian populations. CONCLUSION The findings in the genetic approach could support understanding of the historical background of Jeju Island that is consistent with evidence from other multidisciplinary studies.
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Möller M, Liu J, Li Y, Li JH, Ye LJ, Mill R, Thomas P, Li DZ, Gao LM. Repeated intercontinental migrations and recurring hybridizations characterise the evolutionary history of yew (Taxus L.). Mol Phylogenet Evol 2020; 153:106952. [PMID: 32889136 DOI: 10.1016/j.ympev.2020.106952] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 07/19/2020] [Accepted: 08/28/2020] [Indexed: 12/24/2022]
Abstract
The genus Taxus (Taxaceae) consists of 16 genetically well-defined lineages that are predominantly distributed across the Northern hemisphere. We investigated its biogeographic origin and evolutionary history by sampling 13 chloroplast gene sequences, the nuclear internal transcribed spacers (ITS) and NEEDLY sequences for all 16 lineages. We applied Maximum Parsimony and Bayesian Inference analyses to infer their phylogenetic relationships, time-calibrated phylogenies using BEAST and inferred the ancestral area of occupancy with BioGeoBEARS. We found strong evidence for the hybrid origin of three lineages and dated these events to a rather narrow time window of 6.8-4.9 million years ago (Mya). The dated phylogenies inferred an Upper Cretaceous origin of the genus, with the extant lineages diversifying in North America much later during the Oligocene/early Miocene. Repeated migrations via the Bering land bridge to Eurasia and back were further inferred, with the return to North America as a possible result of vicariance. The diversification in Eurasia (from ~8 Mya onwards) coincided with the orogeny of the Hengduan Mountains, the intensification of the East Asian summer monsoon and the occupancy of ecological niches by lineages that experienced secondary contacts and hybridizations in the Hengduan Mountains and Qinling Mountain, especially around the Sichuan basin. We provide a hypothesis for the evolution of extant lineages of Taxus, a genus with an old and complex evolutionary history. The study highlights that the history of complex species can be unravelled with a careful dissection of phylogenetic signals.
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Affiliation(s)
- Michael Möller
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, United Kingdom.
| | - Jie Liu
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China
| | - Yan Li
- Institute of Alpine Economic Plants, Yunnan Academy of Agricultural Sciences, Lijiang, Yunnan 674100, China
| | - Jian-Hua Li
- Biology Department, Hope College, Holland, MI 49423, USA
| | - Lin-Jiang Ye
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, Yunnan 650201, China
| | - Robert Mill
- Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, United Kingdom
| | - Philip Thomas
- Royal Botanic Garden Edinburgh, Edinburgh EH3 5LR, United Kingdom
| | - De-Zhu Li
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China; Kunming College of Life Sciences, University of Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
| | - Lian-Ming Gao
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
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Palencia-Madrid L, Vinueza-Espinosa D, Baeta M, Rocandio AM, de Pancorbo MM. Validation of a 52-mtSNP minisequencing panel for haplogroup classification of forensic DNA samples. Int J Legal Med 2020; 134:929-936. [PMID: 32030455 DOI: 10.1007/s00414-020-02264-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 01/31/2020] [Indexed: 11/25/2022]
Abstract
Mitochondrial DNA (mtDNA) is a useful tool in forensic investigation as it provides information about the matrilineal ancestry of individuals. In addition, mtDNA can be analyzed when the analysis of other nuclear markers is underperforming. Recently, we developed a minisequencing panel for the simultaneous analysis of 52 mtDNA SNPs to classify maternal lineages into the main haplogroups and their phylogeographic origin. In order to make this panel suitable for forensic genetics laboratories, a validation study has been performed in accordance with the Scientific Working Group on DNA Analysis Methods (SWGDAM) guidelines, including species specificity, reproducibility, sensitivity, and stability tests. The results demonstrate that the panel of 52 mtDNA SNPs is highly sensitive, since it enables to obtain complete genetic profiles of samples containing minimal amounts of DNA (1 pg). Furthermore, it provides sufficient genetic information to detect the matrilineal biogeographical origin of highly degraded samples, i.e., ancient dating skeletal remains, and samples with the presence of inhibitors, such as hematin and humic acid. In addition, this panel can detect mixtures in samples whose mtDNA haplogroups of contributors are different. Overall, the results of this study demonstrate the suitability of this minisequencing panel of 52 mtDNA SNPs to be used in forensic cases, with samples of low amount or degraded DNA.
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Affiliation(s)
- Leire Palencia-Madrid
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
| | - Diana Vinueza-Espinosa
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
- Laboratori d'ADN antic, Unitat d'Antropologia biològica, Departament de Biologia Animal, de Biologia Vegetal i Ecologia, Facultat Biociències, Universitat Autònoma de Barcelona, Bellaterra, Cerdanyola del Vallès, Spain
| | - Miriam Baeta
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
| | - Ana M Rocandio
- Department of Nutrition and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
| | - Marian M de Pancorbo
- BIOMICs Research Group, Lascaray Research Center, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain.
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Daca-Roszak P, Pfeifer A, Żebracka-Gala J, Jarząb B, Witt M, Ziętkiewicz E. EurEAs_Gplex--A new SNaPshot assay for continental population discrimination and gender identification. Forensic Sci Int Genet 2015; 20:89-100. [PMID: 26520215 DOI: 10.1016/j.fsigen.2015.10.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 10/15/2015] [Indexed: 12/21/2022]
Abstract
Assays that allow analysis of the biogeographic origin of biological samples in a standard forensic laboratory have to target a small number of highly differentiating markers. Such markers should be easy to multiplex and the assay must perform well in the degraded and scarce biological material. SNPs localized in the genome regions, which in the past were subjected to differential selective pressure in various populations, are the most widely used markers in the studies of biogeographic affiliation. SNPs reflecting biogeographic differences not related to any phenotypic traits are not sufficiently explored. The goal of our study was to identify a small set of SNPs not related to any known pigmentation/phenotype-specific genes, which would allow efficient discrimination between populations of Europe and East Asia. The selection of SNPs was based on the comparative analysis of representative European and Chinese/Japanese samples (B-lymphocyte cell lines), genotyped using the Infinium HumanOmniExpressExome microarray (Illumina). The classifier, consisting of 24 unlinked SNPs (24-SNP classifier), was selected. The performance of a 14-SNP subset of this classifier (14-SNP subclassifier) was tested using genotype data from several populations. The 14-SNP subclassifier differentiated East Asians, Europeans and Africans with ∼100% accuracy; Palestinians, representative of the Middle East, clustered with Europeans, while Amerindians and Pakistani were placed between East Asian and European populations. Based on these results, we have developed a SNaPshot assay (EurEAs_Gplex) for genotyping SNPs from the 14-SNP subclassifier, combined with an additional marker for gender identification. Forensic utility of the EurEAs_Gplex was verified using degraded and low quantity DNA samples. The performance of the EurEAs_Gplex was satisfactory when using degraded DNA; tests using low quantity DNA samples revealed a previously not described source of genotyping errors, potentially important for any SNaPshot-based assays.
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Affiliation(s)
- P Daca-Roszak
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479 Poznan, Poland
| | - A Pfeifer
- Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Gliwice Branch, Poland; Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, Gliwice, Poland
| | - J Żebracka-Gala
- Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Gliwice Branch, Poland
| | - B Jarząb
- Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Gliwice Branch, Poland
| | - M Witt
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479 Poznan, Poland; International Institute of Molecular and Cell Biology, Warsaw, Poland
| | - E Ziętkiewicz
- Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, 60-479 Poznan, Poland.
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Chaitanya L, van Oven M, Weiler N, Harteveld J, Wirken L, Sijen T, de Knijff P, Kayser M. Developmental validation of mitochondrial DNA genotyping assays for adept matrilineal inference of biogeographic ancestry at a continental level. Forensic Sci Int Genet 2014; 11:39-51. [PMID: 24631695 DOI: 10.1016/j.fsigen.2014.02.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Revised: 02/12/2014] [Accepted: 02/15/2014] [Indexed: 12/30/2022]
Abstract
Mitochondrial DNA (mtDNA) can be used for matrilineal biogeographic ancestry prediction and can thus provide investigative leads towards identifying unknown suspects, when conventional autosomal short tandem repeat (STR) profiling fails to provide a match. Recently, six multiplex genotyping assays targeting 62 ancestry-informative mitochondrial single nucleotide polymorphisms (mt-SNPs) were developed. This hierarchical system of assays allows detection of the major haplogroups present in Africa, America, Western Eurasia, Eastern Eurasia, Australia and Oceania, thus revealing the broad geographic region of matrilineal origin of a DNA donor. Here, we provide a forensic developmental validation study of five multiplex assays targeting all the 62 ancestry-informative mt-SNPs following the Scientific Working Group on DNA Analysis Methods (SWGDAM) guidelines. We demonstrate that the assays are highly sensitive; being able to produce full profiles at input DNA amounts of as little as 1pg. The assays were shown to be highly robust and efficient in providing information from degraded samples and from simulated casework samples of different substrates such as blood, semen, hair, saliva and trace DNA samples. Reproducible results were successfully achieved from concordance testing across three independent laboratories depicting the ease and reliability of these assays. Overall, our results demonstrate the suitability of these five mt-SNP assays for application to forensic casework and other purposes aiming to establish an individual's matrilineal genetic ancestry. With this validated tool, it is now possible to determine the matrilineal biogeographic origin of unknown individuals on the level of continental resolution from forensic DNA samples to provide investigative leads in criminal and missing person cases where autosomal STR profiling is uninformative.
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Affiliation(s)
- Lakshmi Chaitanya
- Department of Forensic Molecular Biology, Erasmus MC University Medical Center, Dr. Molewaterplein 50, 3015 GE Rotterdam, Zuid-Holland, The Netherlands
| | - Mannis van Oven
- Department of Forensic Molecular Biology, Erasmus MC University Medical Center, Dr. Molewaterplein 50, 3015 GE Rotterdam, Zuid-Holland, The Netherlands
| | - Natalie Weiler
- Department of Human Biological Traces, Netherlands Forensic Institute, P.O. Box 24044, 2490 AA The Hague, The Netherlands
| | - Joyce Harteveld
- Department of Human Biological Traces, Netherlands Forensic Institute, P.O. Box 24044, 2490 AA The Hague, The Netherlands
| | - Laura Wirken
- Forensic Laboratory for DNA Research, Department of Human Genetics, Leiden, University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands
| | - Titia Sijen
- Department of Human Biological Traces, Netherlands Forensic Institute, P.O. Box 24044, 2490 AA The Hague, The Netherlands
| | - Peter de Knijff
- Forensic Laboratory for DNA Research, Department of Human Genetics, Leiden, University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands
| | - Manfred Kayser
- Department of Forensic Molecular Biology, Erasmus MC University Medical Center, Dr. Molewaterplein 50, 3015 GE Rotterdam, Zuid-Holland, The Netherlands.
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