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Ferreira LL, Gonçalves ABR, Adiala IJB, Loiola S, Dias A, Azulay RS, Silva DA, Gomes MB. A pilot study of mitochondrial genomic ancestry in admixed Brazilian patients with type 1 diabetes. Diabetol Metab Syndr 2024; 16:130. [PMID: 38879575 PMCID: PMC11179274 DOI: 10.1186/s13098-024-01342-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/01/2024] [Indexed: 06/19/2024] Open
Abstract
Interactions between multiple genes and environmental factors could be related to the pathogenesis of type 1 diabetes (T1D). The Brazilian population results from different historical miscegenation events, resulting in a highly diverse genetic pool. This study aimed to analyze the mtDNA of patients with T1D and to investigate whether there is a relationship between maternal ancestry, self-reported color and the presence of T1D. The mtDNA control region of 204 patients with T1D residing in three geographic regions of Brazil was sequenced following the International Society for Forensic Genetics (ISFG) recommendations. We obtained a frequency of Native American matrilineal origin (43.6%), African origin (38.2%), and European origin (18.1%). For self-declared color, 42.6% of the patients with diabetes reported that they were White, 50.9% were Brown, and 5.4% were Black. Finally, when we compared the self-declaration data with maternal ancestral origin, we found that for the self-declared White group, there was a greater percentage of haplogroups of Native American origin (50.6%); for the self-declared Black group, there was a greater percentage of African haplogroups (90.9%); and for the Brown group, there was a similar percentage of Native American and African haplogroups (42.3% and 45.2%, respectively). The Brazilian population with diabetic has a maternal heritage of more than 80% Native American and African origin, corroborating the country's colonization history.
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Affiliation(s)
- Lívia Leite Ferreira
- DNA Diagnostic Laboratory, IBRAG, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Silvia Loiola
- DNA Diagnostic Laboratory, IBRAG, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alessandra Dias
- Forensic Science and Technology Laboratory, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rossana Sousa Azulay
- Service of Endocrinology, University Hospital of the Federal University of Maranhão, São Luís, Brazil
| | - Dayse Aparecida Silva
- DNA Diagnostic Laboratory, IBRAG, State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marília Brito Gomes
- Department of Internal Medicine, Diabetes Unit, Rio de Janeiro State University (UERJ), Boulevard 28 Setembro 77, Rio de Janeiro, Rio de Janeiro, Brazil.
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Feng Y, Chen L, Wang X, Zhang H, Wang Q, Liu Y, Jin X, Yang M, Huang J, Ren Z. Analysis of maternal genetic structure of mitochondrial DNA control region from Tai-Kadai-speaking Buyei population in southwestern China. BMC Genomics 2024; 25:50. [PMID: 38212691 PMCID: PMC10782584 DOI: 10.1186/s12864-023-09941-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/26/2023] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Even though the Buyei are a recognised ethnic group in southwestern China, there hasn't been much work done on forensic population genetics, notably using mitochondrial DNA. The sequences and haplogroups of mitochondrial DNA control regions of the Buyei peoples were studied to provide support for the establishment of a reference database for forensic DNA analysis in East Asia. METHODS AND RESULTS The mitochondrial DNA control region sequences of 200 Buyei individuals in Guizhou were investigated. The haplotype frequencies and haplogroup distribution of the Buyei nationality in Guizhou were calculated. At the same time, the paired Fst values of the study population and other populations around the world were computed, to explore their genetic polymorphism and population relationship. A total of 179 haplotypes were detected in the Buyei population, with frequencies of 0.005-0.015. All haplotypes were assigned to 89 different haplogroups. The haplotype diversity and random matching probability were 0.999283 and 0.0063, respectively. The paired Fst genetic distances and correlation p-values among the 54 populations revealed that the Guizhou Buyei was most closely related to the Henan Han and the Guizhou Miao, and closer to the Hazara population in Pakistan and the Chiang Mai population. CONCLUSIONS The study of mitochondrial DNA based on the maternal genetic structure of the Buyei nationality in Guizhou will benefit the establishment of an East Asian forensic DNA reference database and provide a reference for anthropological research in the future.
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Grants
- KY No. [2021]065 Guizhou Province Education Department, Characteristic Region Project, Qian Education
- [2020] 4Y057 Guizhou Scientific Support Project, Qian Science Support
- No. 82160324 National Natural Science Foundation of China
- No. 82160324 National Natural Science Foundation of China
- [2020]6012 Guizhou "Hundred" High-level Innovative Talent Project, Qian Science Platform Talents
- KF202009 Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice, China (Academy of Forensic Science), Open Project
- NO. [2016] 1345 Guizhou Engineering Technology Research Center Project, Qian High-Tech of Development and Reform Commission, NO. [2016] 1345
- [2020] 1Y353 Guizhou Science Project, Qian Science Foundation
- [2018] 5779-X Guizhou Scientific Cultivation Project, Qian Science Platform Talent
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Affiliation(s)
- Yuhang Feng
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Li Chen
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Xiaoxue Wang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Hongling Zhang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Qiyan Wang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Yubo Liu
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Xiaoye Jin
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Meiqing Yang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Jiang Huang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China.
| | - Zheng Ren
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, 550004, Guizhou, China.
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Ren Z, Feng Y, Zhang H, Wang Q, Yang M, Liu Y, Le C, Wang J, Huang J. Genetic analysis of the mitochondrial DNA control region in Tai-Kadai-speaking Dong population in southwest China. Ann Hum Biol 2022; 49:354-360. [PMID: 36190920 DOI: 10.1080/03014460.2022.2131334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Dong people in Southwest China are officially recognised as an ethnic group, but there has been a lack of population genetic research on this group, especially based on mitochondrial DNA data. AIM To study the sequences and haplogroups of the mitochondrial DNA control region in a typical Dong population, and to provide help for the construction of a forensic mitochondrial DNA analysis reference database in East Asia. SUBJECTS AND METHODS The sequences of the mitochondrial DNA control region were analysed in 200 individuals of Dong in Guizhou. The haplotype frequencies, haplogroup distribution and paired Fst values of Guizhou Dong and 51 other populations in the world were calculated and explained to explore the genetic polymorphism and population relationships. RESULTS A total of 180 haplotypes were detected, with frequencies of 0.005-0.02. All haplotypes were assigned to 97 different haplogroups. The haplotype diversity and random matching probability were 0.998643 and 0.00635, respectively. The paired Fst values and correlation p values of 52 populations showed that the Guizhou Dong had the closest genetic relationship with the Henan Han and the Guizhou Miao in China, and were closest to the Punjab population in Pakistan and the Kashmiri population when compared with the world populations. CONCLUSIONS Our study was based on the matrilineal genetic structure of Guizhou Dong to study mitochondrial DNA, which was helpful to promote the establishment of the forensic DNA reference database in East Asia and provide reference for anthropological research.
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Affiliation(s)
- Zheng Ren
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Yuhang Feng
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Hongling Zhang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Qiyan Wang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Meiqing Yang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Yubo Liu
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Cuiyun Le
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Jie Wang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
| | - Jiang Huang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang, P. R. China
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Mitochondrial Haplogroup Classification of Ancient DNA Samples Using Haplotracker. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5344418. [PMID: 35342764 PMCID: PMC8956381 DOI: 10.1155/2022/5344418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 02/17/2022] [Accepted: 02/26/2022] [Indexed: 11/17/2022]
Abstract
Mitochondrial DNA haplogroup classification is used to study maternal lineage of ancient human populations. The haplogrouping of ancient DNA is not easy because the DNA is usually found in small pieces in limited quantities. We have developed Haplotracker, a straightforward and efficient high-resolution haplogroup classification tool optimized specifically for ancient DNA samples. Haplotracker offers a user-friendly input interface for multiple mitochondrial DNA sequence fragments in a sample. It provides accurate haplogroup classification with full-length mitochondrial genome sequences and provides high-resolution haplogroup predictions for some fragmented control region sequences using a novel algorithm built on Phylotree mtDNA Build 17 (Phylotree) and our haplotype database (n = 118,869). Its performance for accuracy was demonstrated to be high through haplogroup classification using 8,216 Phylotree full-length and control region mitochondrial DNA sequences compared with HaploGrep 2, one of the most accurate current haplogroup classifiers. Haplotracker provides a novel haplogroup tracking solution for fragmented sequences to track subhaplogroups or verify the haplogroups efficiently. Using Haplotracker, we classified mitochondrial haplogroups to the final subhaplogroup level in nine ancient DNA samples extracted from human skeletal remains found in 2,000-year-old elite Xiongnu cemetery in Northeast Mongolia. Haplotracker can be freely accessed at https://haplotracker.cau.ac.kr.
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Nores R, Tavella MP, Fabra M, Demarchi DA. Ancient DNA analysis reveals temporal and geographical patterns of mitochondrial diversity in pre-Hispanic populations from Central Argentina. Am J Hum Biol 2022; 34:e23733. [PMID: 35238427 DOI: 10.1002/ajhb.23733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVES The study of the ancient populations of Central Argentina has a crucial importance for our understanding of the evolutionary processes in the Southern Cone of South America, given its geographic position as a crossroads. Therefore, the aim of this study is to evaluate the temporal and geographical patterns of genetic variation among the groups that inhabited the current territory of Córdoba Province during the Middle and Late Holocene. METHODS We analyzed the mitochondrial haplogroups of 74 individuals and 46 Hypervariable Region I (HVR-I) sequences, both novel and previously reported, from archeological populations of the eastern Plains and western Sierras regions of the province of Córdoba. The HVR-I sequences were also compared with other ancient groups from Argentina and with present-day populations from Central Argentina by pairwise distance analysis and identification of shared haplotypes. RESULTS Significant differences in haplogroup and haplotype distributions between the two geographical regions were found. Sierras showed genetic affinities with certain ancient populations of Northwestern Argentina, while Plains resembled its neighbors from Santiago del Estero Province and the Pampas region. We did not observe genetic differences among the pre 1200 and post 1200 yBP temporal subsets of individuals defined by the emergence of horticulture, considering both geographical samples jointly. CONCLUSIONS The observed patterns of geographical heterogeneity could indicate the existence of biologically distinct populations inhabiting the mountainous region and the eastern plains of Córdoba Province in pre-Hispanic times. Maternal lineages analyses support a scenario of local evolution with great temporal depth in Central Argentina, with continuity until the present.
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Affiliation(s)
- Rodrigo Nores
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
| | - María Pía Tavella
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
| | - Mariana Fabra
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
| | - Darío A Demarchi
- Universidad Nacional de Córdoba, Facultad de Filosofía y Humanidades, Departamento de Antropología, Córdoba, Argentina.,CONICET, Instituto de Antropología de Córdoba (IDACOR), Córdoba, Argentina
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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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Kulmann-Leal B, Ellwanger JH, Chies JAB. CCR5Δ32 in Brazil: Impacts of a European Genetic Variant on a Highly Admixed Population. Front Immunol 2021; 12:758358. [PMID: 34956188 PMCID: PMC8703165 DOI: 10.3389/fimmu.2021.758358] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 11/23/2021] [Indexed: 01/10/2023] Open
Abstract
The genetic background of Brazilians encompasses Amerindian, African, and European components as a result of the colonization of an already Amerindian inhabited region by Europeans, associated to a massive influx of Africans. Other migratory flows introduced into the Brazilian population genetic components from Asia and the Middle East. Currently, Brazil has a highly admixed population and, therefore, the study of genetic factors in the context of health or disease in Brazil is a challenging and remarkably interesting subject. This phenomenon is exemplified by the genetic variant CCR5Δ32, a 32 base-pair deletion in the CCR5 gene. CCR5Δ32 originated in Europe, but the time of origin as well as the selective pressures that allowed the maintenance of this variant and the establishment of its current frequencies in the different human populations is still a field of debates. Due to its origin, the CCR5Δ32 allele frequency is high in European-derived populations (~10%) and low in Asian and African native human populations. In Brazil, the CCR5Δ32 allele frequency is intermediate (4-6%) and varies on the Brazilian States, depending on the migratory history of each region. CCR5 is a protein that regulates the activity of several immune cells, also acting as the main HIV-1 co-receptor. The CCR5 expression is influenced by CCR5Δ32 genotypes. No CCR5 expression is observed in CCR5Δ32 homozygous individuals. Thus, the CCR5Δ32 has particular effects on different diseases. At the population level, the effect that CCR5Δ32 has on European populations may be different than that observed in highly admixed populations. Besides less evident due to its low frequency in admixed groups, the effect of the CCR5Δ32 variant may be affected by other genetic traits. Understanding the effects of CCR5Δ32 on Brazilians is essential to predict the potential use of pharmacological CCR5 modulators in Brazil. Therefore, this study reviews the impacts of the CCR5Δ32 on the Brazilian population, considering infectious diseases, inflammatory conditions, and cancer. Finally, this article provides a general discussion concerning the impacts of a European-derived variant, the CCR5Δ32, on a highly admixed population.
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Affiliation(s)
| | | | - José Artur Bogo Chies
- Laboratório de Imunobiologia e Imunogenética, Programa de Pós-Graduação em Genética e Biologia Molecular (PPGBM), Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
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Feng Y, Zhang H, Wang Q, Yang M, Liu Y, Wang Jie, Huang J, Ren Z. The mitochondrial DNA control region sequences from the Chinese Sui population of southwestern China. Ann Hum Biol 2021; 48:635-640. [PMID: 34663140 DOI: 10.1080/03014460.2021.1994649] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Sui people are officially recognised people living in southwest China, but there has been a lack of genetic research, especially based on mitochondrial DNA data. AIM To study the sequences and haplogroups of the mitochondrial DNA control region in a typical Sui population, with the aim of helping to promote the establishment of a forensic DNA analysis reference database in East Asia. SUBJECTS AND METHODS We analysed 201 Sui individuals and observed the sequences of the mitochondrial DNA control region. We calculated and explained the haplotype frequencies, haplogroup distribution and pairwise Fst values between the Sui and 47 other populations in the world, in order to explore genetic polymorphisms and population relationships. RESULTS 161 haplotypes were found in the Sui population, with frequencies of 0.0049-0.0199. All samples were assigned to 80 different haplogroups. The haplotype diversity and random matching probability were 0.999938 and 0.024729, respectively. The pairwise Fst values and correlation p-values of 48 populations showed that the Sui population was most closely related to the Miao population in Guizhou and the Han population in Henan, and closer to the Punjab population and Pukhtunkhwa population in Pakistan, and was significantly different from the other 43 groups. Compared with the other 43 groups, it is relatively isolated. CONCLUSION Our results show that the study of mitochondrial DNA based on the analysis of matrilineal genetic structure of the Sui population can help to promote the establishment of a forensic DNA reference database in East Asia and provide reference for future anthropological research.
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Affiliation(s)
- Yuhang Feng
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Hongling Zhang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Qiyan Wang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Meiqing Yang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Yubo Liu
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Wang Jie
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Jiang Huang
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Zheng Ren
- Department of Forensic Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
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Lan Q, Xie T, Jin X, Fang Y, Mei S, Yang G, Zhu B. MtDNA polymorphism analyses in the Chinese Mongolian group: Efficiency evaluation and further matrilineal genetic structure exploration. Mol Genet Genomic Med 2019; 7:e00934. [PMID: 31478599 PMCID: PMC6785450 DOI: 10.1002/mgg3.934] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 05/26/2019] [Accepted: 07/07/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Profiling of mitochondrial DNA is surely to provide valuable investigative clues for forensic cases involving highly degraded specimens or complex maternal lineage kinship determination. But traditionally used hypervariable region sequencing of mitochondrial DNA is less frequently suggested by the forensic community for insufficient informativeness. Genome-wide sequencing of mitochondrial DNA can provide considerable amount of variant information but can be high cost at the same time. METHODS Efficiency of the 60 mitochondrial DNA polymorphic sites dispersing across the control region and coding region of mitochondrial DNA genome was evaluated with 106 Mongolians recruited from the Xinjiang Uyghur Autonomous Region, China, and allele-specific PCR technique was employed for mitochondrial DNA typing. RESULTS Altogether 58 haplotypes were observed and the haplotypic diversity, discrimination power and random match probability were calculated to be 0.981, 0.972, and 0.028, respectively. Mitochondrial DNA haplogroup affiliation exhibited an exceeding percentage (12.26%) of west Eurasian lineage (H haplogroup) in the studied Mongolian group, which needed to be further verified with more samples. Furthermore, the genetic relationships between the Xinjiang Mongolian group and the comparison populations were also investigated and the genetic affinity was discovered between the Xinjiang Mongolian group and the Xinjiang Kazak group in this study. CONCLUSION It was indicated that the panel was potentially enough to be used as a supplementary tool for forensic applications. And the matrilineal genetic structure analyses based on mitochondrial DNA variants in the Xinjiang Mongolian group could be helpful for subsequent anthropological studies.
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Affiliation(s)
- Qiong Lan
- Department of Forensic Genetics, School of Forensic MedicineSouthern Medical UniversityGuangzhouChina
| | - Tong Xie
- Department of Forensic Genetics, School of Forensic MedicineSouthern Medical UniversityGuangzhouChina
| | - Xiaoye Jin
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of StomatologyXi'an Jiaotong UniversityXi'anChina
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of StomatologyXi'an Jiaotong UniversityXi'anChina
| | - Yating Fang
- Department of Forensic Genetics, School of Forensic MedicineSouthern Medical UniversityGuangzhouChina
| | - Shuyan Mei
- Department of Forensic Genetics, School of Forensic MedicineSouthern Medical UniversityGuangzhouChina
| | - Guang Yang
- Department of Laboratory Medicine and PathologyMayo ClinicRochesterMNUSA
| | - Bofeng Zhu
- Department of Forensic Genetics, School of Forensic MedicineSouthern Medical UniversityGuangzhouChina
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of StomatologyXi'an Jiaotong UniversityXi'anChina
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, College of StomatologyXi'an Jiaotong UniversityXi'anChina
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Amorim A, Fernandes T, Taveira N. Mitochondrial DNA in human identification: a review. PeerJ 2019; 7:e7314. [PMID: 31428537 PMCID: PMC6697116 DOI: 10.7717/peerj.7314] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 06/18/2019] [Indexed: 11/21/2022] Open
Abstract
Mitochondrial DNA (mtDNA) presents several characteristics useful for forensic studies, especially related to the lack of recombination, to a high copy number, and to matrilineal inheritance. mtDNA typing based on sequences of the control region or full genomic sequences analysis is used to analyze a variety of forensic samples such as old bones, teeth and hair, as well as other biological samples where the DNA content is low. Evaluation and reporting of the results requires careful consideration of biological issues as well as other issues such as nomenclature and reference population databases. In this work we review mitochondrial DNA profiling methods used for human identification and present their use in the main cases of humanidentification focusing on the most relevant issues for forensics.
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Affiliation(s)
- António Amorim
- Instituto Nacional de Medicina Legal e Ciências Forenses, Lisboa, Portugal
- Faculdade de Ciências da Universidade de Lisboa, Lisboa, Portugal
| | - Teresa Fernandes
- Escola de Ciências e Tecnologias, Universidade de Évora, Évora, Portugal
- Research Center for Anthropology and Health (CIAS), Universidade de Coimbra, Coimbra, Portugal
| | - Nuno Taveira
- Instituto Universitário Egas Moniz (IUEM), Almada, Portugal
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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