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Mazza B. Biological distances between Late Holocene hunter‐gatherers from the lower Paraná wetland (Argentina). Am J Hum Biol 2022; 35:e23840. [PMID: 36440742 DOI: 10.1002/ajhb.23840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 11/10/2022] [Accepted: 11/13/2022] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION This study assesses the biological affinity between Late Holocene hunter-gatherers that inhabited the region of the lower Paraná wetland (Argentina) at the end of the Late Holocene (1800-700 years BP). METHODS Cranial nonmetric traits were registered in 159 adult individuals of both sexes. Biodistances were estimated between environmental and archaeological units through Smith's Mean Measure of Divergence, Mahalanobis distance, multidimensional scaling, Fst index, and R-matrix. Biological distances concerning temporal and geographic distances between the archaeological sites were also evaluated through Mantel and partial Mantel tests. RESULTS The environmental units showed statistically significant biodistances according to a distance spatial pattern but low genetic differentiation between groups. Additionally, some archaeological sites with median radiocarbon dates around 700 years BP also presented statistically significant biodistances. CONCLUSIONS Gene flow and genetic drift could be responsible for the observed biodistance results. These processes gave rise to different subpopulations of hunter-gatherers with a shared material culture, whose territorial limits could have been reinforced around 700 years BP or earlier.
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Affiliation(s)
- Bárbara Mazza
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Instituto Nacional de Antropología y Pensamiento Latinoamericano (INAPL) CABA Argentina
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2
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Irish JD, Usai D. The transition from hunting-gathering to agriculture in Nubia: dental evidence for and against selection, population continuity and discontinuity. Proc Biol Sci 2021; 288:20210969. [PMID: 34102887 DOI: 10.1098/rspb.2021.0969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Some researchers posit population continuity between Late Palaeolithic hunter-gatherers of the late Pleistocene and Holocene agriculturalists from Lower (northern) Nubia, in northeast Africa. Substantial craniodental differences in these time-successive groups are suggested to result from in situ evolution. Specifically, these populations are considered a model example for subsistence-related selection worldwide in the transition to agriculture. Others question continuity, with findings indicating that the largely homogeneous Holocene populations differ significantly from late Pleistocene Lower Nubians. If the latter are representative of the local populace, post-Pleistocene discontinuity is implied. So who was ancestral to the Holocene agriculturalists? Dental morphological analyses of 18 samples (1075 individuals), including one dated to the 12th millennium BCE from Al Khiday, near the Upper Nubian border, may provide an answer. It is the first Late Palaeolithic sample (n = 55) recovered within the region in approximately 50 years. Using the Arizona State University Dental Anthropology System to record traits and multivariate statistics to estimate biological affinities, Al Khiday is comparable to several Holocene samples, yet also highly divergent from contemporaneous Lower Nubians. Thus, population continuity is indicated after all, but with late Pleistocene Upper-rather than Lower Nubians as originally suggested-assuming dental traits are adequate proxies for ancient DNA.
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Affiliation(s)
- Joel D Irish
- Research Centre in Evolutionary Anthropology and Palaeoecology, School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Donatella Usai
- Centro Studi Sudanesi e Sub-Sahariani ONLUS, Strada Canizzano, 128/D, 31100, Treviso, Italy
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3
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Coppa A, Candilio F, Arganini C, de la Vega Machicao E, Moreno Terrazas EG, Lucci M, Cucina A. Population dynamics in pre-Inca human groups from the Osmore Valley, the Azapa Valley and the coast of the South Central Andes. PLoS One 2020; 15:e0229370. [PMID: 33326416 PMCID: PMC7743979 DOI: 10.1371/journal.pone.0229370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 11/21/2020] [Indexed: 11/18/2022] Open
Abstract
The present study applies a dental morphological perspective to the understanding of the complex pre-contact population history of the South Central Andes, through the detection of the underlying dynamics, and the assessment of the biological ties among groups. It presents an analysis of 1591 individuals from 66 sites that date from the Archaic to the Late Intermediate phases from Bolivia, Chile and Peru. The results suggest this area is characterized by significant movement of people and cultures and, at the same time, by long standing population continuity, and highlight the need for wider perspectives capable of taking into account both the different micro-regional realities and the region in its entirety.
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Affiliation(s)
- Alfredo Coppa
- Department of Environmental Biology, Sapienza University, Rome, Italy
- UMR 7206 Eco-Anthropologie, Musée de l’Homme, Paris, France
- * E-mail:
| | | | - Claudia Arganini
- Department of Environmental Biology, Sapienza University, Rome, Italy
| | - Edmundo de la Vega Machicao
- Facultad de Ciencias Sociales, Escuela Profesional de Antropología, Universidad Nacional del Altiplano, Puno, Peru
| | | | - Michaela Lucci
- Department of History, Anthropology, Religions, Performing Arts, Sapienza University, Rome, Italy
| | - Andrea Cucina
- Facultad de Ciencias Antropológicas, Universidad Autónoma de Yucatán, Mérida, Yucatán, Mexico
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Movsesian AA, Mkrtchyan RA, Simonyan HG. The Bronze and Iron Age populations of the Armenian Highland in the genetic history of Armenians. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 173:158-167. [PMID: 32274801 DOI: 10.1002/ajpa.24060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/16/2020] [Accepted: 03/21/2020] [Indexed: 11/10/2022]
Abstract
OBJECTIVES To investigate the biological diversity of the late Bronze and Iron Age populations in the Armenian Highland by nonmetric cranial traits, evaluate the genetic continuity in the development of the modern Armenian gene pool, and compare the results obtained with genetic data. MATERIALS AND METHODS Twenty-eight nonmetric cranial traits were scored on 498 adult crania from different late Bronze and Iron Age cemeteries, as well as from modern Armenians and other European populations. We carried out a biodistance analysis between populations using the mean measure of divergence (MMD) statistics, tested the spatial-temporal model of population structure, and assessed the diversity within the late Bronze and early Iron Ages by using the values of variability index (Fst). RESULTS The biodistance analysis revealed a close relationship among different ancient Armenian populations and between the average frequencies of the three sequential periods (late Bronze Age, early Iron Age I and II) and modern Armenians. A gradual increase of variability (Fst) within the three successive periods was observed. DISCUSSION The analysis of nonmetric trait data reflects deep roots and continuity in the formation of the Armenian population. Since at least the Late Bronze Age, owing to permanent isolation, no significant changes have occurred in the Armenian gene pool. An increase in variability over the successive periods reflects the process of population differentiation from a single gene pool while maintaining average trait frequencies. The congruence of the results obtained with the genetic data confirms, once more, the possibility of using nonmetric cranial traits as a proxy for genetic markers.
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Affiliation(s)
- Alla A Movsesian
- Department of Anthropology, Lomonosov State University, Moscow, Russian Federation
| | - Rusan A Mkrtchyan
- Department of Cultural Studies, Yerevan State University, Yerevan, Republic of Armenia
| | - Hasmik G Simonyan
- Department of Archeology and Ethnography, Yerevan State University, Yerevan, Republic of Armenia
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Irish JD, Morez A, Girdland Flink L, Phillips EL, Scott GR. Do dental nonmetric traits actually work as proxies for neutral genomic data? Some answers from continental‐ and global‐level analyses. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 172:347-375. [DOI: 10.1002/ajpa.24052] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 02/25/2020] [Accepted: 03/10/2020] [Indexed: 11/07/2022]
Affiliation(s)
- Joel D. Irish
- School of Biological and Environmental Sciences Liverpool John Moores University Liverpool UK
- Evolutionary Studies Institute and Centre for Excellence in PaleoSciences University of the Witwatersrand South Africa
| | - Adeline Morez
- School of Biological and Environmental Sciences Liverpool John Moores University Liverpool UK
| | - Linus Girdland Flink
- School of Biological and Environmental Sciences Liverpool John Moores University Liverpool UK
- Department of Archaeology School of Geosciences, University of Aberdeen Aberdeen UK
| | - Emma L.W. Phillips
- School of Biological and Environmental Sciences Liverpool John Moores University Liverpool UK
| | - G. Richard Scott
- Anthropology Department University of Nevada Reno Reno, Nevada USA
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6
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Zertuche F, Meza-Peñaloza A. A Parametric Bootstrap for the Mean Measure of Divergence. Int J Biostat 2020; 16:/j/ijb.ahead-of-print/ijb-2019-0117/ijb-2019-0117.xml. [PMID: 32187013 DOI: 10.1515/ijb-2019-0117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 02/28/2020] [Indexed: 11/15/2022]
Abstract
For more than 50 years the Mean Measure of Divergence (MMD) has been one of the most prominent tools used in anthropology for the study of non-metric traits. However, one of the problems, in anthropology including palaeoanthropology (more often there), is the lack of big enough samples or the existence of samples without sufficiently measured traits. Since 1969, with the advent of bootstrapping techniques, this issue has been tackled successfully in many different ways. Here, we present a parametric bootstrap technique based on the fact that the transformed θ, obtained from the Anscombe transformation to stabilize the variance, nearly follows a normal distribution with standard deviation $\sigma = 1 / \sqrt{N + 1/2}$σ=1/N+1/2, where N is the size of the measured trait. When the probabilistic distribution is known, parametric procedures offer more powerful results than non-parametric ones. We profit from knowing the probabilistic distribution of θ to develop a parametric bootstrapping method. We explain it carefully with mathematical support. We give examples, both with artificial data and with real ones. Our results show that this parametric bootstrap procedure is a powerful tool to study samples with scarcity of data.
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Affiliation(s)
- F Zertuche
- Unidad Cuernavaca Instituto de Matemáticas, Universidad Nacional Autonoma de Mexico, Avenida Universidad S/N, Cuernavaca, Morelos 62210, Mexico
| | - A Meza-Peñaloza
- Instituto de Investigaciones Antropologicas, Universidad Nacional Autonoma de Mexico, Distrito Federal Coyoacan, Mexico
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Delgado M, Ramírez LM, Adhikari K, Fuentes-Guajardo M, Zanolli C, Gonzalez-José R, Canizales S, Bortolini MC, Poletti G, Gallo C, Rothhammer F, Bedoya G, Ruiz-Linares A. Variation in dental morphology and inference of continental ancestry in admixed Latin Americans. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018. [DOI: https://doi.org/10.1002%2fajpa.23756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Miguel Delgado
- División Antropología, Facultad de Ciencias Naturales y Museo; Universidad Nacional de La Plata; La Plata República Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas; CONICET; Buenos Aires República Argentina
| | | | - Kaustubh Adhikari
- Department of Genetics; Evolution and Environment, UCL Genetics Institute, University College London; London United Kingdom
| | - Macarena Fuentes-Guajardo
- Department of Genetics; Evolution and Environment, UCL Genetics Institute, University College London; London United Kingdom
- Departamento de Tecnología Médica, Facultad de Ciencias de la Salud; Universidad de Tarapacá; Arica Chile
| | - Clément Zanolli
- UMR 5288 CNRS; Université Toulouse III - Paul Sabatier; Toulouse France
| | - Rolando Gonzalez-José
- Instituto Patagónico de Ciencias Sociales y Humanas; Centro Nacional Patagónico, CONICET; Puerto Madryn Argentina
| | - Samuel Canizales
- Unidad de Genómica de Poblaciones Aplicada a la Salud, Facultad de Química; UNAM-Instituto Nacional de Medicina Genómica; México City Mexico
| | - Maria-Catira Bortolini
- Departamento de Genética; Universidade Federal do Rio Grande do Sul; Porto Alegre Brazil
| | - Giovanni Poletti
- Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía; Universidad Peruana Cayetano Heredia; Lima Peru
| | - Carla Gallo
- Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía; Universidad Peruana Cayetano Heredia; Lima Peru
| | - Francisco Rothhammer
- Instituto de Alta Investigación; Universidad de Tarapacá; Arica Chile
- Programa de Genética Humana, ICBM, Facultad de Medicina; Universidad de Chile; Santiago Chile
| | - Gabriel Bedoya
- GENMOL (Genética Molecular); Universidad de Antioquia; Medellín Colombia
| | - Andres Ruiz-Linares
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development; School of Life Sciences and Human Phenome Institute, Fudan University; Shanghai China
- Laboratory of Biocultural Anthropology, Law, Ethics, and Health (Centre National de la Recherche Scientifique and Etablissement Français du Sang, UMR-7268); Aix-Marseille University; Marseille France
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Delgado M, Ramírez LM, Adhikari K, Fuentes-Guajardo M, Zanolli C, Gonzalez-José R, Canizales S, Bortolini MC, Poletti G, Gallo C, Rothhammer F, Bedoya G, Ruiz-Linares A. Variation in dental morphology and inference of continental ancestry in admixed Latin Americans. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018; 168:438-447. [DOI: 10.1002/ajpa.23756] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 10/24/2018] [Accepted: 10/25/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Miguel Delgado
- División Antropología, Facultad de Ciencias Naturales y Museo; Universidad Nacional de La Plata; La Plata República Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas; CONICET; Buenos Aires República Argentina
| | | | - Kaustubh Adhikari
- Department of Genetics; Evolution and Environment, UCL Genetics Institute, University College London; London United Kingdom
| | - Macarena Fuentes-Guajardo
- Department of Genetics; Evolution and Environment, UCL Genetics Institute, University College London; London United Kingdom
- Departamento de Tecnología Médica, Facultad de Ciencias de la Salud; Universidad de Tarapacá; Arica Chile
| | - Clément Zanolli
- UMR 5288 CNRS; Université Toulouse III - Paul Sabatier; Toulouse France
| | - Rolando Gonzalez-José
- Instituto Patagónico de Ciencias Sociales y Humanas; Centro Nacional Patagónico, CONICET; Puerto Madryn Argentina
| | - Samuel Canizales
- Unidad de Genómica de Poblaciones Aplicada a la Salud, Facultad de Química; UNAM-Instituto Nacional de Medicina Genómica; México City Mexico
| | - Maria-Catira Bortolini
- Departamento de Genética; Universidade Federal do Rio Grande do Sul; Porto Alegre Brazil
| | - Giovanni Poletti
- Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía; Universidad Peruana Cayetano Heredia; Lima Peru
| | - Carla Gallo
- Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía; Universidad Peruana Cayetano Heredia; Lima Peru
| | - Francisco Rothhammer
- Instituto de Alta Investigación; Universidad de Tarapacá; Arica Chile
- Programa de Genética Humana, ICBM, Facultad de Medicina; Universidad de Chile; Santiago Chile
| | - Gabriel Bedoya
- GENMOL (Genética Molecular); Universidad de Antioquia; Medellín Colombia
| | - Andres Ruiz-Linares
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development; School of Life Sciences and Human Phenome Institute, Fudan University; Shanghai China
- Laboratory of Biocultural Anthropology, Law, Ethics, and Health (Centre National de la Recherche Scientifique and Etablissement Français du Sang, UMR-7268); Aix-Marseille University; Marseille France
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9
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Ancient teeth, phenetic affinities, and African hominins: Another look at where Homo naledi fits in. J Hum Evol 2018; 122:108-123. [DOI: 10.1016/j.jhevol.2018.05.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 05/18/2018] [Accepted: 05/21/2018] [Indexed: 12/25/2022]
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Unravelling biocultural population structure in 4th/3rd century BC Monterenzio Vecchio (Bologna, Italy) through a comparative analysis of strontium isotopes, non-metric dental evidence, and funerary practices. PLoS One 2018; 13:e0193796. [PMID: 29590155 PMCID: PMC5874009 DOI: 10.1371/journal.pone.0193796] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 01/25/2018] [Indexed: 11/19/2022] Open
Abstract
The 4th century BC marks the main entrance of Celtic populations in northern Italy. Their arrival has been suggested based on the presence of Celtic customs in Etruscan mortuary contexts, yet up to now few bioarchaeological data have been examined to support or reject the arrival of these newcomers. Here we use strontium isotopes, non-metric dental traits and funerary patterns to unravel the biocultural structure of the necropolis of Monterenzio Vecchio (Bologna, Italy). Subsamples of our total sample of 38 individuals were analyzed based on different criteria characterizing the following analyses: 1) strontium isotope analysis to investigate migratory patterns and provenance; 2) non-metric dental traits to establish biological relationships between Monterenzio Vecchio, 13 Italian Iron age necropolises and three continental and non-continental Celtic necropolises; 3) grave goods which were statistically explored to detect possible patterns of cultural variability. The strontium isotopes results indicate the presence of local and non-local individuals, with some revealing patterns of mobility. The dental morphology reveals an affinity between Monterenzio Vecchio and Iron Age Italian samples. However, when the Monterenzio Vecchio sample is separated by isotopic results into locals and non-locals, the latter share affinity with the sample of non-continental Celts from Yorkshire (UK). Moreover, systematic analyses demonstrate that ethnic background does not retain measurable impact on the distribution of funerary elements. Our results confirm the migration of Celtic populations in Monterenzio as archaeologically hypothesized on the basis of the grave goods, followed by a high degree of cultural admixture between exogenous and endogenous traits. This contribution shows that combining different methods offers a more comprehensive perspective for the exploration of biocultural processes in past and present populations.
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Movsesian AA, Bakholdina VY. Nonmetric cranial trait variation and the origins of the Scythians. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 162:589-599. [DOI: 10.1002/ajpa.23159] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 12/05/2016] [Accepted: 12/08/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Alla A. Movsesian
- Department of Anthropology; Lomonosov State University; Moscow 119234 Russian Federation
| | - Varvara Yu. Bakholdina
- Department of Anthropology; Lomonosov State University; Moscow 119234 Russian Federation
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12
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Irish JD. Who were they really? model‐free and model‐bound dental nonmetric analyses to affirm documented population affiliations of seven
S
outh
A
frican “Bantu” samples. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 159:655-70. [DOI: 10.1002/ajpa.22928] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 11/22/2015] [Accepted: 12/08/2015] [Indexed: 12/12/2022]
Affiliation(s)
- Joel D. Irish
- Research Centre in Evolutionary Anthropology and Palaeoecology, Natural Sciences and Psychology, Liverpool John Moores UniversityLiverpool L3 3AF UK
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13
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Thompson AR, Hedman KM, Slater PA. New dental and isotope evidence of biological distance and place of origin for mass burial groups at Cahokia's mound 72. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 158:341-357. [PMID: 26173443 DOI: 10.1002/ajpa.22791] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 05/26/2015] [Accepted: 05/27/2015] [Indexed: 11/10/2022]
Abstract
OBJECTIVES Mound 72 at Cahokia figures prominently into interpretations of early Mississippian sociopolitical development. A previous study utilizing dental morphology concluded that the groups of mostly young adult females interred in four mass graves in Mound 72 were likely not from Cahokia and possibly reflect sacrificial offerings from outside communities. The purpose of this study is to reevaluate these findings using multiple indicators of biological relatedness and place of origin/migration. MATERIALS AND METHODS Biological relatedness in Mound 72 was examined using dental metrics and morphology. Four additional archaeological samples from nearby sites were included to better assess biological variation within Mound 72. Strontium isotope analysis (87 Sr/86 Sr) was also conducted on individuals from several burial features in Mound 72 to determine heterogeneity in place of origin. RESULTS Biodistance studies indicate that individuals in the four mass graves are phenotypically similar to other groups in the region, whereas F229-lower, a burial group with an aberrant mortuary context, is phenotypically distinct. Strontium isotope analyses show that mean Sr signatures for each feature investigated fall within the established local range for Cahokia. However, the range of Sr ratios for individuals in F229-lower is very narrow, suggesting they reflect a single population from a limited geologic region. DISCUSSION Collectively, these results question the long-standing idea that individuals in the four mass graves were non-local to Cahokia and suggest that F229-lower contained a biologically dissimilar group that either came from an outside region with a similar Sr signature to Cahokia, or represent a distinct and restricted group from the region. Am J Phys Anthropol 158:341-357, 2015. © 2015 Wiley Periodicals, Inc.
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Affiliation(s)
- Andrew R Thompson
- Department of Biomedical Sciences, West Virginia School of Osteopathic Medicine, Lewisburg, WV
| | - Kristin M Hedman
- Illinois State Archaeological Survey, Prairie Research Institute, University of Illinois Urbana Champaign, Champaign, IL
| | - Philip A Slater
- Illinois State Archaeological Survey, Prairie Research Institute, University of Illinois Urbana Champaign, Champaign, IL.,Department of Anthropology, University of Illinois Urbana Champaign, Urbana, IL
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14
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Nikita E. A critical review of the mean measure of divergence and Mahalanobis distances using artificial data and new approaches to the estimation of biodistances employing nonmetric traits. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 157:284-94. [DOI: 10.1002/ajpa.22708] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Accepted: 01/16/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Efthymia Nikita
- Fitch Laboratory, British School at Athens; 52 Souidias street Athens 106 76 Greece
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15
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Movsesian AA, Bakholdina VY, Pezhemsky DV. Biological diversity and population history of Middle Holocene hunter-gatherers from the Cis-Baikal region of Siberia. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2014; 155:559-70. [DOI: 10.1002/ajpa.22608] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Revised: 08/14/2014] [Accepted: 08/21/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Alla A. Movsesian
- Department of Anthropology; Lomonosov State University; Moscow 119234 Russian Federation
| | - Varvara Yu. Bakholdina
- Department of Anthropology; Lomonosov State University; Moscow 119234 Russian Federation
| | - Denis V. Pezhemsky
- Anuchin Research Institute and Museum of Anthropology; Lomonosov State University; Moscow 125009 Russian Federation
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Schrader S, Buzon M, Irish J. Illuminating the Nubian 'Dark Age': a bioarchaeological analysis of dental non-metric traits during the Napatan Period. HOMO-JOURNAL OF COMPARATIVE HUMAN BIOLOGY 2014; 65:267-80. [PMID: 24951408 DOI: 10.1016/j.jchb.2014.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 05/12/2014] [Indexed: 11/19/2022]
Abstract
The origins of one of the most powerful sociopolitical entities of the Nile Valley, the Napatan State (850-650BCE), are debated. Some scholars have suggested local development of this influential Nubian State, while others propose foreign involvement. This study uses a bioarchaeological approach to examine the biological affinity of these Ancient Nubians. The focal site of this research, Tombos, is one of few non-central Napatan Period sites that have been excavated and can, therefore, shed light on the broader Napatan populace. Dental non-metric trait frequencies were examined in the Tombos sample as well as in 12 comparative samples to elucidate the biological affinities of these populations. Analyses indicate that Tombos dental non-metric trait frequencies were not significantly different from the majority of Egyptian and Nubian samples examined here. Therefore, we propose that gene flow, encouraged by long-term coexistence and intermarriage in Nubia, created an Egyptian/Nubian transcultural environment. These findings suggest the Napatan population at Tombos included descendants of Egyptians and Nubians. The Napatan Tombos sample was found to significantly differ from the latter Kushite and Meroitic samples; however, these samples are so temporally removed from the Napatan Period, we suspect subsequent episodes of population movement may have contributed to this variation.
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Affiliation(s)
- S Schrader
- Purdue University, Department of Anthropology, West Lafayette, IN 47907, USA.
| | - M Buzon
- Purdue University, Department of Anthropology, West Lafayette, IN 47907, USA
| | - J Irish
- Liverpool John Moores University, Research Centre in Evolutionary Anthropology and Palaeoecology, Liverpool L3 3AF, UK
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Irish JD, Black W, Sealy J, Ackermann RR. Questions of khoesan continuity: Dental affinities among the indigenous holocene peoples of South Africa. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2014; 155:33-44. [DOI: 10.1002/ajpa.22526] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 04/21/2014] [Indexed: 11/06/2022]
Affiliation(s)
- Joel D. Irish
- Research Centre in Evolutionary Anthropology and Palaeoecology, School of Natural Sciences and Psychology, Liverpool John Moores University; Liverpool L3 3AF UK
| | - Wendy Black
- Department of Archaeology; University of Cape Town; Rondebosch 7701 South Africa
- Iziko Museums of South Africa, Social History Collections; 17 Church Square Cape Town South Africa
| | - Judith Sealy
- Department of Archaeology; University of Cape Town; Rondebosch 7701 South Africa
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Assessing change in diet and biological affinity between the 4th and 3rd millennia cal BCE in the Portuguese Estremadura: a preliminary dental comparison of Feteira II and Bolores. HOMO-JOURNAL OF COMPARATIVE HUMAN BIOLOGY 2014; 65:87-100. [PMID: 24642202 DOI: 10.1016/j.jchb.2013.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2013] [Accepted: 11/17/2013] [Indexed: 11/23/2022]
Abstract
Although the social and political changes accompanying the transition from the Neolithic through Copper Age, between the 4th and 3rd millennia cal BCE, in southwestern Iberia are reasonably well understood, much less is known about whether population movements and dietary changes accompanied these transformations. To address this question, human dental remains from the Middle through Late Neolithic site of Feteira II (3600-2900 cal BCE) and the Late Neolithic site of Bolores (2800-2600 cal BCE) in the Portuguese Estremadura were used to examine diet (microwear) and affinity (dental non-metrics). Microwear features were not found to be significantly different between Feteira II and Bolores, suggesting that the emergence of social complexity during this period did not result in large-scale changes in subsistence practices during the period of use at these sites. Using the Arizona State University Dental Anthropology System and supporting statistics, no significant difference between the samples from Feteira II and Bolores was observed, suggesting that no population replacement occurred between the Middle Neolithic and Late Neolithic/Copper Age. However, at Bolores there is some indication that there may have been demographic exchanges between southern Iberian and North African populations during the Late Neolithic/Copper Age.
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Sołtysiak A, Bialon M. Population history of the middle Euphrates valley: Dental non-metric traits at Tell Ashara, Tell Masaikh and Jebel Mashtale, Syria. HOMO-JOURNAL OF COMPARATIVE HUMAN BIOLOGY 2013; 64:341-56. [DOI: 10.1016/j.jchb.2013.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 04/30/2013] [Indexed: 10/26/2022]
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Ponomarev D, Puzachenko A, Isaychev K. Morphotypic variability of masticatory surface pattern of molars in the recent and PleistoceneLemmusandMyopus(Rodentia, Cricetidae) of Europe and Western Siberia. ACTA ZOOL-STOCKHOLM 2013. [DOI: 10.1111/azo.12047] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dmitry Ponomarev
- Institute of Geology of Komi Science Center; Ural Branch; Russian Academy of Sciences; 54 Pervomayskaya Street 167982 Syktyvkar Russia
| | - Andrey Puzachenko
- Institute of Geography; Russian Academy of Sciences; Staromonetny 29 119017 Moscow Russia
| | - Konstantin Isaychev
- Institute of Geology of Komi Science Center; Ural Branch; Russian Academy of Sciences; 54 Pervomayskaya Street 167982 Syktyvkar Russia
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Nikita E, Mattingly D, Lahr MM. Sahara: Barrier or corridor? Nonmetric cranial traits and biological affinities of North African late holocene populations. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2011; 147:280-92. [DOI: 10.1002/ajpa.21645] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Accepted: 10/26/2011] [Indexed: 11/08/2022]
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Peiris HRD, Arambawatta AKS, Hewapathirana TN, Nanayakkara CD, Chandrasekara M, Wickramanayake E. Nonmetric tooth crown traits in a Sri Lankan aboriginal Vedda population. HOMO-JOURNAL OF COMPARATIVE HUMAN BIOLOGY 2011; 62:466-77. [PMID: 21975363 DOI: 10.1016/j.jchb.2011.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Accepted: 08/18/2011] [Indexed: 10/17/2022]
Abstract
This study was conducted to determine the frequencies of non-metric tooth crown traits of Vedda of Sri Lanka and to investigate the affinities of these morphological variations with those of other world populations. Fifty dental plaster casts were observed. The Arizona State University dental anthropology system was adopted for classification of the 16 traits observed. We used 13 traits to compare the Vedda and other world populations. Using the frequencies of 13 traits, Smith Mean Measure of Divergence was calculated to determine inter-population distances. Affinities among the Vedda and other world populations were expressed in two dimensions of the principal coordinate analysis. Cusp number in mandibular second molar and hypocone absence in maxillary second molar had the highest frequency at 95.9% and 93.8%, respectively. Shovelling, double shovelling in the maxillary central incisor and deflecting wrinkle in the mandibular first molar had the lowest frequency at 0%. The principal coordinate analysis showed that Sino American and Western Eurasian populations were separated in negative and positive directions in the first principal coordinate axis. Vedda located with the Western Eurasian population groups. Sahul and Sunda Pacific populations located in the intermediate position between Sino American and Western Eurasian populations. The dental phenotype of Vedda has close affinities with those of early south Asian populations. They are far different from Sino American and Sunda pacific populations. Vedda shows closer affinities to Sahul Pacific and South African (Bantu) populations.
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Affiliation(s)
- H R D Peiris
- Department of Basic Sciences, Faculty of Dental Sciences, University of Peradeniya, Peradeniya 20400, Sri Lanka.
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Dental affinities of the C-group inhabitants of Hierakonpolis, Egypt: Nubian, Egyptian, or both? HOMO-JOURNAL OF COMPARATIVE HUMAN BIOLOGY 2010; 61:81-101. [PMID: 20185126 DOI: 10.1016/j.jchb.2010.02.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2009] [Accepted: 01/13/2010] [Indexed: 11/24/2022]
Abstract
By c. 2050 BC a small community of C-Group Nubians was present deep within Egyptian territory at the city of Hierakonpolis. Their descendants stayed for the next 400 years. Today, the site of Hierakonpolis, 113 km north of Aswan, is known for its Egyptian deposits; however, it also contains a C-Group cemetery, which documents the northernmost occurrence of this culture. Sixty skeletons were excavated. Tombs feature Nubian architecture and goods, including leather garments, although the use of Egyptian mortuary practices and artifacts increased through time. Dates range from the early 11th Dynasty into the Second Intermediate period. During this time the Egyptian empire occupied Lower Nubia, and their state ideology vilified Nubians. Yet, at least in death, the C-Group inhabitants of Hierakonpolis proudly displayed their cultural heritage. Beyond discerning the reason(s) for their presence at the site (e.g., mercenaries, leather-workers, entertainers?), the focus of this report is to estimate their biological affinity. Were they akin to other Nubians, Egyptians, or both? And, was increasing 'Egyptianization' evident in the mortuary ritual accompanied by concomitant genetic influence? To address these queries, up to 36 dental morphological traits in the recovered individuals were compared to those in 26 regional comparative samples. The most influential traits were identified and phenetic affinities were calculated using the mean measure of divergence and other multivariate analyses. Assuming phenetic similarity provides an estimate of genetic relatedness, these affinities suggest the individuals comprising the C-Group sample were, and remained Nubian during their tenure at Hierakonpolis.
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Irish JD. The mean measure of divergence: Its utility in model-free and model-bound analyses relative to the MahalanobisD2distance for nonmetric traits. Am J Hum Biol 2009; 22:378-95. [DOI: 10.1002/ajhb.21010] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Schillaci MA, Irish JD, Wood CC. Further analysis of the population history of ancient Egyptians. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2009; 139:235-43. [DOI: 10.1002/ajpa.20976] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Biohistorical approaches to “race” in the United States: Biological distances among African Americans, European Americans, and their ancestors. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2009; 139:58-67. [DOI: 10.1002/ajpa.20961] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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MANABE YOSHITAKA, KITAGAWA YOSHIKAZU, OYAMADA JOICHI, IGAWA KAZUNARI, KATO KATSUMOTO, KIKUCHI NAOHIRO, MARUO HIROMI, KOBAYASHI SHIGERU, ROKUTANDA ATSUSHI. Population history of the northern and central Nansei Islands (Ryukyu island arc) based on dental morphological variations: gene flow from North Kyushu to Nansei Islands. ANTHROPOL SCI 2008. [DOI: 10.1537/ase.070309] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- YOSHITAKA MANABE
- Department of Oral Anatomy and Dental Anthropology, Unit of Basic Medical Sciences, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences, Nagasaki University
| | - YOSHIKAZU KITAGAWA
- Department of Oral Anatomy and Dental Anthropology, Unit of Basic Medical Sciences, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences, Nagasaki University
| | - JOICHI OYAMADA
- Department of Oral Anatomy and Dental Anthropology, Unit of Basic Medical Sciences, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences, Nagasaki University
| | - KAZUNARI IGAWA
- Department of Oral Anatomy and Dental Anthropology, Unit of Basic Medical Sciences, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences, Nagasaki University
| | - KATSUMOTO KATO
- Department of Physical Therapy, Unit of Physical and Occupational Therapy, Course of Health Science, Graduate School of Biomedical Sciences, Nagasaki University
| | | | - HIROMI MARUO
- Division of Anatomy, Kyushu Dental College, Kitakyushu
| | | | - ATSUSHI ROKUTANDA
- Department of Oral Anatomy and Dental Anthropology, Unit of Basic Medical Sciences, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences, Nagasaki University
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Del Papa MC, Perez SI. The influence of artificial cranial vault deformation on the expression of cranial nonmetric traits: its importance in the study of evolutionary relationships. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2007; 134:251-62. [PMID: 17596852 DOI: 10.1002/ajpa.20665] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Nonmetric cranial traits have been commonly used in evolutionary relationship studies. They develop during the growth and development of an individual, and for this reason its expression presents different sources of genetic and nongenetic variation. However, the use of these features in evolutionary relationship studies carries the implicit assumption that much of the nonmetric trait variation is essentially genetic. Among the nonheritable factors, cranial vault deformation has been the most studied in human populations. Because of the widespread distribution and elevated rate of artificial cranial vault deformation found in America, and the importance of nonmetric traits in evolutionary relationship studies in this area, the objectives of this paper are as follows: (a) to study the influence of artificial cranial vault deformation on the presence of nonmetric traits within samples of human craniofacial remains; and (b) to establish artificial cranial vault deformation influence on evolutionary relationships between local populations on a regional scale. Our results indicate that artificial cranial vault deformations alter the variation and covariation of metric and nonmetric traits in some samples. Wormian bones, placed in cranial vault sutures, are the most influenced by this factor. However, our results suggest that when all nonmetric traits were used the artificial cranial vault deformation did not influence the basic pattern of variation among samples. The exclusion or inclusion of wormians bones in evolutionary relationships analysis did not modify the results, but using only wormians bones lead to inconsistent results indicating that these traits have little value on these kind of studies.
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Affiliation(s)
- Mariano C Del Papa
- División Antropología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, La Plata (1900), Argentina.
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Sutter RC, Verano JW. Biodistance analysis of the Moche sacrificial victims from Huaca de la Luna plaza 3C: Matrix method test of their origins. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2007; 132:193-206. [PMID: 17133431 DOI: 10.1002/ajpa.20514] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The purpose of this study is to test two competing models regarding the origins of Early Intermediate Period (AD 200-750) sacrificial victims from the Huacas de Moche site using the matrix correlation method. The first model posits the sacrificial victims represent local elites who lost competitions in ritual battles with one another, while the other model suggests the victims were nonlocal warriors captured during warfare with nearby polities. We estimate biodistances for sacrificial victims from Huaca de la Luna Plaza 3C (AD 300-550) with eight previously reported samples from the north coast of Peru using both the mean measure of divergence (MMD) and Mahalanobis' distance (d2). Hypothetical matrices are developed based upon the assumptions of each of the two competing models regarding the origins of Moche sacrificial victims. When the MMD matrix is compared to the two hypothetical matrices using a partial-Mantel test (Smouse et al.: Syst Zool 35 (1986) 627-632), the ritual combat model (i.e. local origins) has a low and nonsignificant correlation (r = 0.134, P = 0.163), while the nonlocal origins model is highly correlated and significant (r = 0.688, P = 0.001). Comparisons of the d2 results and the two hypothetical matrices also produced low and nonsignificant correlation for the ritual combat model (r = 0.210, P = 0.212), while producing a higher and statistically significant result with the nonlocal origins model (r = 0.676, P = 0.002). We suggest that the Moche sacrificial victims represent nonlocal warriors captured in territorial combat with nearby competing polities.
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Affiliation(s)
- Richard C Sutter
- Department of Anthropology, Indiana University-Purdue University, Fort Wayne, IN 46805, USA.
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Edgar HJH. Microevolution of African American dental morphology. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2007; 132:535-44. [PMID: 17243125 DOI: 10.1002/ajpa.20550] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The African American (AA) gene pool is primarily the result of gene flow between two biologically disparate groups: West Africans (WA) and Americans of western European descent (EA). This research utilizes characteristics of dental morphology to trace genetic relationships among WA, western Europeans (EU), AA, and European Americans. Dental morphological traits are useful for this purpose because they are heritable, do not remodel during life (although they can be lost to wear or pathology), and can be compared equally among samples from past and present populations. The results of this research provide new information about human microevolution through time and space in a biocultural setting. The mean measure of divergence is used to analyze dental morphological data from 1,265 individuals in 25 samples grouped by ancestry and time. Three hypotheses associated with admixture in AA are tested. When compared with known history, results from dental morphological data are equivocal in documenting admixture in AA. Dental morphological traits do appear to reflect admixture in AA. However, changes in trait frequencies do not closely correspond with important cultural events and trends such as the institutionalized racism of the Civil War and Jim Crow era. Results are mixed concerning whether AA with greater admixture were more likely to take part in the Great Migration to southern urban centers and to the North.
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Affiliation(s)
- Heather J H Edgar
- Laboratory of Human Osteology, Maxwell Museum of Anthropology, University of New Mexico, Albuquerque, NM 87131, USA.
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Irish JD. Who were the ancient Egyptians? Dental affinities among Neolithic through postdynastic peoples. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2006; 129:529-43. [PMID: 16331657 DOI: 10.1002/ajpa.20261] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Qualitative and quantitative methods are employed to describe and compare up to 36 dental morphological variants in 15 Neolithic through Roman-period Egyptian samples. Trait frequencies are determined, and phenetic affinities are calculated using the mean measure of divergence and Mahalanobis D2 statistics for discrete traits; the most important traits in generating this intersample variation are identified with correspondence analysis. Assuming that the samples are representative of the populations from which they derive, and that phenetic similarity provides an estimate of genetic relatedness, these affinities are suggestive of overall population continuity. That is, other than a few outliers exhibiting extreme frequencies of nine influential traits, the dental samples appear to be largely homogenous and can be characterized as having morphologically simple, mass-reduced teeth. These findings are contrasted with those resulting from previous skeletal and other studies, and are used to appraise the viability of five Egyptian peopling scenarios. Specifically, affinities among the 15 time-successive samples suggest that: 1) there may be a connection between Neolithic and subsequent predynastic Egyptians, 2) predynastic Badarian and Naqada peoples may be closely related, 3) the dynastic period is likely an indigenous continuation of the Naqada culture, 4) there is support for overall biological uniformity through the dynastic period, and 5) this uniformity may continue into postdynastic times.
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Affiliation(s)
- Joel D Irish
- Department of Anthropology, University of Alaska Fairbanks, Fairbanks, Alaska 99775-7720, USA.
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Rubini M, Mogliazza S, Corruccini RST. Biological divergence and equality during the first millennium BC in human populations of central Italy. Am J Hum Biol 2006; 19:119-31. [PMID: 17160978 DOI: 10.1002/ajhb.20593] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The frequencies of nine discrete cranial traits are contrasted among 10 skeletal series of central Italy to assess the patterning of biological affinity or divergence. In this study various statistical applications were used: Mean Measure of Divergence (MMD), which was elaborated using the WPGMA cluster analysis, neighbor-joining method and principal coordinate analysis. The results show two main groups divided by the Apennines, which probably were a geographic barrier to biological exchange during the Italian Iron Age. This fact induced endogamous phenomena in the populations on the two sides of Italy (Adriatic and Tyrrenian) and probably increased the familial segregation of traits. The group on the western side has a further division between samples of the central coast and those of the southern coast. The latter samples seem to be more closely connected to Sardinian peoples, and this indicates gene flow and cultural contacts, which were not hindered by the sea. This segregation appears to have receded by Roman times.
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Affiliation(s)
- Mauro Rubini
- Soprintendenza per i Beni Archeologici del Lazio, Servizio di Antropologia, Via Pompeo Magno, 00193 Rome, Italy.
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Irish JD. Population continuity vs. discontinuity revisited: Dental affinities among late Paleolithic through Christian-era Nubians. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2005; 128:520-35. [PMID: 15895433 DOI: 10.1002/ajpa.20109] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The present study revisits a subject that has been a source of long-standing bioarchaeological contention, namely, estimation of Nubian population origins and affinities. Using the Arizona State University dental anthropology system, frequencies of 36 crown, root, and intraoral osseous discrete traits in 12 late Pleistocene through early historic Nubian samples were recorded and analyzed. Specifically, intersample phenetic affinities, and an indication of which traits are most important in driving this variation, were determined through the application of correspondence analysis and the mean measure of divergence distance statistic. The results support previous work by the author and others indicating that population discontinuity, in the form of replacement or significant gene flow into an existing gene pool, occurred sometime after the Pleistocene. This analysis now suggests that the break occurred before the Final Neolithic. Samples from the latter through Christian periods exhibit relative homogeneity, which implies overall post-Pleistocene diachronic and regional population continuity. Yet there are several perceptible trends among these latter samples that: 1) are consistent with documented Nubian population history, 2) enable the testing of several existing peopling hypotheses, and 3) allow the formulation of new hypotheses, including a suggestion of two post-Pleistocene subgroups predicated on an age-based sample dichotomy.
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Affiliation(s)
- Joel D Irish
- Department of Anthropology, University of Alaska at Fairbanks, Fairbanks, Alaska 99775-7720, USA.
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Hallgrímsson B, Donnabháin BO, Walters GB, Cooper DML, Gudbjartsson D, Stefánsson K. Composition of the founding population of Iceland: biological distance and morphological variation in early historic Atlantic Europe. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2004; 124:257-74. [PMID: 15197821 DOI: 10.1002/ajpa.10365] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We examined the composition of the founding population of Iceland through the study of morphological traits in skeletons from Iceland, Ireland, Norway, and Greenland. This is the first study to address this issue from the Settlement Period of Iceland and contemporary samples from Ireland. We pose the following questions: 1) Was the founding population of Iceland of mixed or homogeneous origin? 2) Is there evidence for a significant Irish cohort in the founding population, as suggested in medieval Icelandic literature? Analysis of biodistance revealed that both Settlement Age and later samples from Iceland showed a greater degree of phenetic similarity to contemporary Viking Age Norwegians than to samples obtained from early medieval Ireland. Analysis of among-individual morphological variation showed that the Settlement Age population of Iceland did not exhibit an increase in variation in comparison to other populations in the sample, suggesting a relatively homogenous origin. However, estimation of admixture between the Irish and Norwegian populations indicated that 66% of the Icelandic settlers were of Norwegian origin. Comparison of the Icelandic samples to hybrid samples produced by resampling the Viking Age Norwegian and early medieval Irish samples revealed that the Icelandic samples are much closer to the Norwegian samples than expected, based on a 66:34 mixture of Norwegian and Irish settlers. We conclude that the Settlement Age population of Iceland was predominantly (60-90%) of Norwegian origin. Although this population was relatively homogenous, our results do not preclude significant contributions from Ireland as well as other sources not represented in our analysis.
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Affiliation(s)
- Benedikt Hallgrímsson
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, Alberta T2T 4N1, Canada.
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Sutter RC, Mertz L. Nonmetric cranial trait variation and prehistoric biocultural change in the Azapa Valley, Chile. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2004; 123:130-45. [PMID: 14730647 DOI: 10.1002/ajpa.10311] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Historically, interpretations of both biological and cultural change within the prehistoric Azapa Valley, northern Chile, have cited large-scale population movements, with replacement from complex societies located in the adjacent highlands to the east. Biological estimates of this change have traditionally relied upon biodistance estimates, using craniofacial measures of both deformed and nondeformed skulls. In order to evaluate whether large-scale prehistoric migrations occurred in the Azapa Valley, we examine biodistance results from nonmetric cranial traits for eight mortuary samples that represent all time periods of prehistoric occupation of the valley. None of the mean measures of divergences (MMD) among mortuary samples examined by this study were significant. These results suggest biological continuity in the Azapa Valley during 5,000 years of prehistory, with nonsignificant gene flow during the late Middle Horizon (AD 750-1100) and Late Intermediate (AD 1100-1476) periods. Biodistance results also suggest endogamy within coastal and inland populations. The broader implications of these results are discussed.
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Affiliation(s)
- Richard C Sutter
- Department of Anthropology, Indiana University-Purdue University Fort Wayne, Fort Wayne, Indiana 46805-1499, USA.
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Manabe Y, Oyamada J, Kitagawa Y, Rokutanda A, Kato K, Matsushita T. Dental morphology of the Dawenkou Neolithic population in North China: implications for the origin and distribution of Sinodonty. J Hum Evol 2003; 45:369-80. [PMID: 14624747 DOI: 10.1016/j.jhevol.2003.08.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We compare the incidence of 25 nonmetric dental traits of the people of the Neolithic Dawenkou culture (6300-4500 BP) sites in Shandong Province, North China with those of other East Asian populations. The Dawenkou teeth had an overwhelmingly greater resemblance to the Sinodont pattern typical of Northeast Asia than to the Sundadont pattern typical of Southeast Asia. Multidimensional scaling using Smith's mean measure of divergence (MMD) statistic place the Dawenkou sample near the Amur and the North China-Mongolia populations in the area of the plot indicating typical Sinodonty. The existence of the Sinodont population in Neolithic North China suggests a possible continuity of Sinodonty from the Upper Cave population at Zhoukoudian (about 34000-10000 BP) to the modern North Chinese. The presence of Sinodonty in Shandong Province shows that the Japan Sea and East China Sea were strong barriers to gene flow for at least 3000 years, because at this time the Jomonese of Japan were fully Sundadont. In addition, we suggest that the descendants of the Dawenkou population cannot be excluded as one of the source populations that contributed to sinodontification in Japan.
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Affiliation(s)
- Yoshitaka Manabe
- Department of Developmental and Reconstructive Medicine, Course of Medical and Dental Sciences, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8588, Japan.
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MUÑOZ-MUÑOZ FRANCESC, ASSUMPCIÓ SANS-FUENTES MARIA, LÓPEZ-FUSTER MARÍAJOSÉ, VENTURA JACINT. Non-metric morphological divergence in the western house mouse, Mus musculus domesticus, from the Barcelona chromosomal hybrid zone. Biol J Linn Soc Lond 2003. [DOI: 10.1046/j.1095-8312.2003.00240.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Irish JD, Guatelli-Steinberg D. Ancient teeth and modern human origins: An expanded comparison of African Plio-Pleistocene and recent world dental samples. J Hum Evol 2003; 45:113-44. [PMID: 14529648 DOI: 10.1016/s0047-2484(03)00090-3] [Citation(s) in RCA: 92] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Previous research by the first author revealed that, relative to other modern peoples, sub-Saharan Africans exhibit the highest frequencies of ancestral (or plesiomorphic) dental traits and, thus, appear to be least derived dentally from an ancestral hominin state. This determination, in conjunction with various other lines of dental morphological evidence, was interpreted to be supportive of an African origin for modern humans. The present investigation expands upon this work by using: 1) direct observations of fossil hominin teeth, rather than data gleaned from published sources, 2) a single morphological scoring system (the Arizona State University Dental Anthropology System) with consistent trait breakpoints, and 3) data from larger and more varied modern human comparative samples. As before, a multivariate distance statistic, the mean measure of divergence, was used to assess diachronic phenetic affinities among the Plio-Pleistocene hominins and modern humans. The present study also employed principal components analysis on dental trait frequencies across samples. Both methods yielded similar results, which support the previous findings; that is, of all modern human samples, sub-Saharan Africans again exhibit the closest phenetic similarity to various African Plio-Pleistocene hominins-through their shared prevalence of morphologically complex crown and root traits. The fact that sub-Saharan Africans express these apparently plesiomorphic characters, along with additional information on their affinity to other modern populations, evident intra-population heterogeneity, and a world-wide dental cline emanating from the sub-continent, provides further evidence that is consistent with an African origin model.
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Affiliation(s)
- Joel D Irish
- Department of Anthropology, University of Alaska Fairbanks, Fairbanks, AK 99775-7720, USA.
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Guatelli-Steinberg D, Irish JD, Lukacs JR. Canary islands-north African population affinities: measures of divergence based on dental morphology. HOMO-JOURNAL OF COMPARATIVE HUMAN BIOLOGY 2001; 52:173-88. [PMID: 11802567 DOI: 10.1078/0018-442x-00027] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This investigation addresses two related questions about the origins and biological affinities of the Canary Islands' aboriginal inhabitants. First: With which North African populations do the pre-conquest inhabitants of the Canary Islands have their greatest affinities? Second: Does inter-island biological variability among the Canary Islanders, as has been suggested by other researchers (Hooton 1925, Schwidetzky 1963), imply that potentially different founding populations remained distinct during the pre-conquest period? This study employs dental morphology data derived from pre-conquest skeletons to answer these questions. Non-metric dental traits appear to be controlled by polygenic systems with a low to moderate environmental contribution to the resulting phenotype (Berry 1978, Harris & Bailit 1980, Nichol 1990) and can thus be assumed to reflect genetic relationships. The dental morphology of a sample of Canary Islanders (n = 397) is compared to that of Northwest African samples of Algerian Shawia Berbers (n = 26), Kabyle Berbers (n = 32), Bedouin Arabs (n = 49) and Punic Carthaginians (n = 28) as well as to six samples from Northeast Africa (n = 307) included for the purpose of understanding Canary Islanders' affinities within a wider context. The analysis employs 28 dental traits, quantifying differences in their expression among the various samples through a summary statistic, CAB Smith's Mean Measure of Divergence (MMD). The MMD analysis indicates that the Canary Island sample is most similar to the four samples from Northwest Africa: the Shawia Berbers, Kabyle Berbers, Bedouin Arabs and Carthaginians, less similar to the three Egyptian samples and least like the three Nubian samples. An intra-island comparison among samples from La Gomera, Gran Canaria and Tenerife reveals low, insignificant MMD values in all cases, implying that inter-island dental morphology differences are not so great as to require hypotheses of separate founding populations.
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Donlon DA. The value of infracranial nonmetric variation in studies of modern Homo sapiens: an Australian focus. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2000; 113:349-68. [PMID: 11042537 DOI: 10.1002/1096-8644(200011)113:3<349::aid-ajpa6>3.0.co;2-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The value of quantitative infracranial nonmetric variation is examined in the study of population relationships by using samples from populations originating from five major geographic regions: Australia (two populations), Africa, East Asia, Europe, and Polynesia. According to the nonspecificity hypothesis, there are no distinct large classes of genes affecting one group of attributes exclusively; thus infracranial nonmetric traits should compare with other osteologic data sets in addressing questions of population relationships. By using the mean measure of divergence, infracranial nonmetric traits are shown to be useful in separating populations, particularly when using female and pooled-sex samples. The two Australian female samples (New South Wales coastal Australian and South Australian Aboriginals) are shown to be closer than any other two samples. The picture of intrapopulation and interpopulation variation in infracranial nonmetric traits is extended and clarified. Distance studies with infracranial nonmetric traits are possible but more illuminating if the sexes are first separated. Infracranial nonmetric variation does extend the knowledge of human population studies in yielding biologically meaningful results relating to development and ontogeny.
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Affiliation(s)
- D A Donlon
- Department of Anatomy and Histology, University of Sydney, NSW, Australia.
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Abstract
Data obtained during an ongoing dental investigation of African populations address two long-standing, hotly debated questions. First, was there genetic continuity between Late Pleistocene Iberomaurusians and later northwest Africans (e.g., Capsians, Berbers, Guanche)? Second, were skeletally-robust Iberomaurusians and northeast African Nubians variants of the same population? Iberomaurusians from Taforalt in Morocco and Afalou-Bou-Rhummel in Algeria, Nubians from Jebel Sahaba in Sudan, post-Pleistocene Capsians from Algeria and Tunisia, and a series of other samples were statistically compared using 29 discrete dental traits to help estimate diachronic local and regional affinities. Results revealed: (1) a relationship between the Iberomaurusians, particularly those from Taforalt, and later Maghreb and other North African samples, and (2) a divergence among contemporaneous Iberomaurusians and Nubian samples. Thus, some measure of long-term population continuity in the Maghreb and surrounding region is supported, whereas greater North African population heterogenity during the Late Pleistocene is implied.
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Affiliation(s)
- J D Irish
- Department of Anthropology, University of Alaska Fairbanks, Fairbanks, Alaska 99775-7720, USA.
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McMillan G, Boone J. Population History and the Islamization of the Iberian Peninsula: Skeletal Evidence from the Lower Alentejo of Portugal. CURRENT ANTHROPOLOGY 1999. [DOI: 10.1086/300091] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Irish JD. Ancestral dental traits in recent Sub-Saharan Africans and the origins of modern humans. J Hum Evol 1998; 34:81-98. [PMID: 9467783 DOI: 10.1006/jhev.1997.0191] [Citation(s) in RCA: 100] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Assuming that phenetic expression approximates genetic variation, previous dental morphological analyses of Sub-Saharan Africans by the author show they are unique among the world's modern populations. Numerically-derived affinities, using the multivariate Mean Measure of Divergence statistic, revealed significant differences between the Sub-Saharan folk and samples from North Africa, Europe, Southeast Asia, Northeast Asia and the New World, Australia/Tasmania, and Melanesia. Sub-Saharan Africans are characterized by a collection of unique, mass-additive crown and root traits relative to these other world groups. Recent work found that the most ubiquitous of these traits are also present in dentitions of earlier hominids, as well as extinct and extant non-human primates; other ancestral dental features are also common in these forms. The present investigation is primarily concerned with this latter finding. Qualitative and quantitative comparative analyses of Plio-Pleistocene through recent samples suggest that, of all modern populations, Sub-Saharan Africans are the least derived dentally from an ancestral hominid state; this conclusion, together with data on intra- and inter-population variability and divergence, may help provide new evidence in the search for modern human origins.
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Affiliation(s)
- J D Irish
- Department of Anthropology, University of New Mexico, Albuquerque 87131-1086, USA.
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Irish JD. Characteristic high- and low-frequency dental traits in sub-Saharan African populations. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 1997; 102:455-67. [PMID: 9140538 DOI: 10.1002/(sici)1096-8644(199704)102:4<455::aid-ajpa3>3.0.co;2-r] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In an earlier investigation (Irish [1993] Biological Affinities of Late Pleistocene Through Modern African Aboriginal Populations: The Dental Evidence [Ann Arbor: University Microfilms]), biological affinities of 32 sub-Saharan and North African dental samples were estimated using comparative analyses of 36 dental morphological traits. Marked dental homogeneity was revealed among samples within each of the two geographic regions, but significant interregional differences were noted. Assuming dental phenetic expression approximates or is an estimate of genetic variation, the present study of 976 sub-Saharan-affiliated Africans indicates they are not closely related to other world groups; they are characterized by numerous morphologically complex crown and root traits. Turner ([1984] Acta Anthropogenetica 8:23-78; [1985] in R Kirk and E Szathmary (eds.): Out of Asia: Peopling the Americas and the Pacific [Canberra: The Journal of Pacific History], pp. 31-78; [1990] Am. J. Phys. Anthropol. 82:295-318; [1992] Persp. Hum. Biol. 2/Archaeol. Oceania 27:120-127; [1992] in T Akaszawa, K Aoki, and T Kimura (eds.): The Evolution and Dispersal of Modern Humans in Asia [Tokyo: Hokusen-Sha Publishing Co-], pp. 415-438) reports that Northeast Asian/New World sinodonts also have complex teeth relative to Europeans, Southeast Asian sundadonts, Australian/Tasmanians, and Melanesians. However, sinodonty is characterized by UI1 winging, UI1 shoveling, UI1 double shoveling, one-rooted UP1, UM1 enamel extension, M3 agenesis, and three-rooted LM1. Sub-Saharan peoples exhibit very low frequencies of these features. It is proposed that the collection of dental traits which best differentiate sub-Saharan Africans from other worldwide samples includes high frequencies of the Bushman Canine, two-rooted UP1, UM1 Carabelli's trait, three-rooted UM2, LM2 Y-groove pattern, LM1 cusp 7, LP1 Tome's root, two-rooted LM2, UM3 presence, and very low incidences of UI1 double shoveling and UM1 enamel extension. This suite of diagnostic traits is termed the sub-Saharan African dental complex.
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Affiliation(s)
- J D Irish
- Department of Anthropology, University of New Mexico, Albuquerque 87131-1086, USA.
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Prowse TL, Lovell NC. Concordance of cranial and dental morphological traits and evidence for endogamy in ancient Egypt. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 1996; 101:237-46. [PMID: 8893087 DOI: 10.1002/(sici)1096-8644(199610)101:2<237::aid-ajpa8>3.0.co;2-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A biological affinities study based on frequencies of cranial nonmetric traits in skeletal samples from three cemeteries at predynastic Naqada, Egypt, confirms the results of a recent nonmetric dental morphological analysis. Both cranial and dental traits analyses indicate that the individuals buried in a cemetery characterized archaeologically as high status are significantly different from individuals buried in two other, apparently nonelite cemeteries and that the nonelite samples are not significantly different from each other. A comparison with neighbouring Nile Valley skeletal samples suggests that the high status cemetery represents an endogamous ruling or elite segment of the local population at Naqada, which is more closely related to populations in northern Nubia than to neighbouring populations in southern Egypt.
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Affiliation(s)
- T L Prowse
- Department of Anthropology, University of Alberta, Edmonton, Canada
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Abstract
In this paper, the dental morphology of prehispanic Meso-american populations is described, compared, and examined within the context of New World dental variation. Twenty-eight morphological dental traits were studied and compared in four samples of prehispanic Mexican populations. After eliminating intra- and interobserver error, the dental morphological characteristics observed show evidence of heterogeneity among the populations. In particular, the oldest population, Tlatilco (1300-800 BC), was significantly different from the other three groups, Cuicuilco (800-100 BC), Monte Albán (500 BC-700 AD) and Cholula (550-750 AD). When the four samples were compared to other Mongoloid populations, either univariately or multivariately, it was observed that the Mexican groups did not follow a strict Sinodont (characteristic of Northeast Asia)/Sundadont (characteristic of Southeast Asia) classification (Turner [1979] Am. J. Phys. Anthropol. 51:619-636). From the traits examined, 27% presented frequencies consistent with Sinodont variation, while 73% of the traits showed similar incidence to Southeast Asian groups. Multivariately, the Mexican populations were found to fit an overall Sundadont classification. These results indicate that there is more dental morphological variation among American Indian populations than previously shown.
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Affiliation(s)
- R Haydenblit
- Department of Biological Anthropology, University of Cambridge, United Kingdom
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Johnson AL, Lovell NC. Biological differentiation at predynastic Naqada, Egypt: an analysis of dental morphological traits. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 1994; 93:427-33. [PMID: 8048465 DOI: 10.1002/ajpa.1330930403] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Cemetery T at Naqada has been postulated as being the interment site of a predynastic royal or ruling elite due to its small, localized area and the richness of its burial goods. In order to examine possible biological differentiation between the individuals buried in Cemetery T and those buried in other, possibly lower status cemeteries at Naqada, nonmetric dental morphological data were analyzed using the Mean Measure of Divergence statistic. Results indicate that Cemetery T shows some biological distinction from both Cemetery B and the Great Cemetery. The size of the difference supports the archaeological interpretation that Cemetery T represents a ruling or elite segment (or lineage) of the local population at Naqada, rather than a ruling or elite immigrant population. Given the problem of small samples, however, this interpretation is tentative.
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Affiliation(s)
- A L Johnson
- Department of Anthropology, University of Alberta, Edmonton, Canada
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Kryštufek B. Nonmetric cranial variation and divergence of European sousliks(Citellus citellus)from Yugoslavia (Rodentia, Sciuridae). ACTA ACUST UNITED AC 1990. [DOI: 10.1080/11250009009355718] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Turner CG. Late Pleistocene and Holocene population history of East Asia based on dental variation. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 1987; 73:305-21. [PMID: 3303958 DOI: 10.1002/ajpa.1330730304] [Citation(s) in RCA: 256] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The purpose of this communication is to provide a summary description and analysis of 28 dental traits studied in a number of skeletal samples that originated in eastern Asia. The objectives of the analysis are to define the nature of Mongoloid dental variation, use it to measure Asian intergroup relationships, and develop in greater detail and with larger samples a dental anthropological model of the late Pleistocene and Holocene population history of eastern Asia.
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