著者

KENTARO NAGAI MIKIHITO TANAKA ALESSANDRO R. MARCON RYUMA SHINEHA KATSUSHI TOKUNAGA TIMOTHY CAULFIELD YASUKO TAKEZAWA

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.220905, (Released:2023-01-17)

被引用文献数

4

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Direct-to-consumer genetic testing (DTC-GT) has rapidly become available and affordable throughout developed countries. However, comparative research on DTC-GT services beyond Western countries has remained scarce, particularly in East Asian countries such as Japan and China. Hence, this study’s hypothesis is that although DTC-GT services in three languages might utilize the same underlying testing technology, such services are likely to represent the social, economic, and political characteristics of each country. For the study, a total of 267 websites (182 English, 32 Japanese, and 53 Chinese) were analyzed and coded reflexively into five categories for content analysis before interpretation using cluster and factor analyses. The results demonstrated variation between the three languages that reflected their respective consumer cultures: English, Chinese, and Japanese genetic testing websites focused on empowerment and ancestry; cultural values, especially familism; and health and beauty, respectively.

著者

NAOMICHI OGIHARA HIDEKI AMANO TAKEO KIKUCHI YUSUKE MORITA KUNIHIRO HASEGAWA TAKANORI KOCHIYAMA HIROKI C. TANABE

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

vol.123, no.1, pp.57-68, 2015 (Released:2015-04-23)

参考文献数

33

被引用文献数

4 15 2

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In order to discuss possible differences in brain anatomy between Neanderthals and early modern humans, the original antemortem appearance of fossil crania that enclosed the brain must somehow be correctly restored, as soft tissues such as the brain are generally not fossilized. However, crania are typically fractured, fragmented, and deformed due to compaction and diagenesis. Furthermore, recovery of all component fragments of fossil crania is rare. Restoration of the brain morphology of fossil crania therefore necessitates correct assembly of the available fragments, eliminating distortions, and compensating for missing parts as a first step. This paper reviews the current status of computerized reconstruction methods, then provides an overview and future directions toward digital reconstruction of fossil crania and the associated brain morphology.

著者

NAOKI OSADA YOSUKE KAWAI

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.201215, (Released:2021-03-31)

被引用文献数

8

---

The origins of people in the Japanese archipelago are of long-standing interest among anthropologists, archeologists, linguists, and historians studying the history of Japan. While the ‘dual-structure’ model proposed by Hanihara in 1991 has been considered the primary working hypothesis for three decades, recent advances in DNA typing and sequencing technologies provide an unprecedented amount of present-day and ancient human nuclear genome data, which enable us to refine or extend the dual-structure model. In this review, we summarize recent genome sequencing efforts of present-day and ancient people in Asia, mostly focusing on East Asia, and we discuss the possible migration routes and admixture patterns of Japanese ancestors. We also report on a meta-analysis we performed by compiling publicly available datasets to clarify the genetic relationships of present-day and ancient Japanese populations with surrounding populations. Because the ancient genetic data from the Japanese archipelago have not yet been fully analyzed, we have to corroborate models of prehistoric human movement using not only new genetic data but also linguistic and archeological data to reconstruct a more comprehensive history of the Japanese people.

著者

TOMO TAKANO MASATO NAKATSUKASA MARTA PINA YUTAKA KUNIMATSU YOSHIHIKO NAKANO NAOKI MORIMOTO NAOMICHI OGIHARA HIDEMI ISHIDA

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.200116, (Released:2020-03-17)

被引用文献数

4

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This article reports eight new humeral, ulnar, and radial fragments of Nacholapithecus kerioi collected from Nachola, Kenya during the 1998/1999 field seasons. The study refines the description of its forelimb bones, which was mostly based on a single partial skeleton. The most distinctive feature of the distal humerus is a large, globular, medially tilted capitulum. The groove between the capitulum and the zona conoidea is quite deep. The medial part of the humeral trochlea is also diagnostic in showing a less salient medial border. The medial epicondyle is moderately long and more posteriorly reflected than was previously presumed. The coronoid process of the ulna is quite wide. Its medial portion is distinctly concave. The ulnar shaft is anteroposteriorly deep in its proximal half, slender, straight in frontal view, and weakly anteriorly bowing. The elbow of Nacholapithecus exhibits a primitive functional pattern as a hominoid, including lack of universal stability of the humeroulnar joint through full extension and flexion, restriction of hyperextension of the elbow, and relatively anteroposteriorly oriented loading at the proximal ulna. On the other hand, it is derived in terms of enhanced rotational mobility and stability of the radius, incipiently increased stability at the humeroulnar joint, and more frequent maximum extension of the elbow compared to proconsulids. This mosaic morphology is different from both early Miocene proconsulids and later suspensory or orthograde European fossil apes. Although Nacholapithecus was neither suspensory nor orthograde, its forelimbs may have played a greater role for body support or balance maintenance, more frequently reaching to and exploiting overhead supports than in early Miocene proconsulids.

著者

JACQUELINE T. ENG QUANCHAO ZHANG HONG ZHU

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

vol.118, no.2, pp.107-116, 2010 (Released:2010-08-07)

参考文献数

53

被引用文献数

4 10

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The practice of castrating men is an ancient one. Eunuchs have served as guards to harems and as palace chamberlains for many early courts, but details about their lives are often hazy or shrouded in secrecy. Although the changes wrought to their physical appearance from castration are well-documented, little is known about the magnitude of the skeletal changes resulting from the loss of sex hormones associated with the procedure. Such a loss of hormones, especially before puberty, affects skeletal growth and development and may result in early osteoporosis as well as impacting quality of life. The burials of two eunuchs from the Ming Dynasty (1368–1644 AD) of imperial China provide an opportunity to examine the consequences of castration upon the human skeleton. These eunuchs may have been castrated at different periods in their lives. One eunuch appears to have been castrated before the development of secondary sexual characteristics; the delayed epiphyseal closure accompanying androgen deficiency may account for his long limbs. Skeletal evidence also sheds light on the lives of these eunuchs, including their oral health, history of childhood stress, and activity patterns.

著者

CLARE MCFADDEN BRITTA VAN TIEL MARC F. OXENHAM

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.2005051, (Released:2020-08-04)

被引用文献数

3

---

This paper seeks to provide a stabilized (i.e. less vulnerable to differences in sex representation) equation for estimating maternal mortality for biased skeletal samples. The stabilized equation is developed and tested on the United Nations data used to develop the original method (McFadden and Oxenham, Current Anthropology, 60(1), 141–146), and is applied to 16 bioarchaeological samples from mainland Southeast Asia. First-order correlations and basic descriptive statistics were applied to the data. The stabilized equation was comparable in accuracy to the original equation. When applied to bioarchaeological samples, it proved to be advantageous where the sex ratio differed by more than 0.15 in either direction (i.e. more females or more males). The stabilized equation is an improvement over the original equation for samples that exhibit sex bias that is randomly distributed by age. This method extends the potential applications of the maternal mortality estimator.

著者

SARAH ABEL CATHERINE J. FRIEMAN

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.2210242, (Released:2023-01-25)

被引用文献数

2

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Over the last two decades, home DNA testing has reshaped popular narratives around identity, descent, kinship, and modes of ethnic and racial affiliation. The ability to pair oral histories and family lore with scientific data seems to have totally upended the formerly ‘quaint’ hobby of genealogical research. But genealogies have been serious business for thousands of years, and DNA is far from an objective witness to the past. Genetic data create visceral connections between past and present, self and other, here and there. As such, genetic genealogies, or ‘gene-ealogies,’ have proved to be a potent arena for the negotiation of identity, belonging, and authority—over both the past and the future. In this paper, we review diverse DNA-driven genealogical practices in Europe, the Americas, and beyond, developing a discussion about how genetic approaches are intersecting with traditional ideas of identity and descent, as well as new developments in ethnoracial politics in different parts of the world. In particular, we explore the genetic narratives and agendas of care that drive direct-to-consumer companies and communities of gene-ealogists, seeking not just to explain to what extent DNA tests might shift or reinforce conceptions of ‘who we are,’ but to contextualize this with regard to wider political and social forces.

著者

TAKUMI TSUTAYA MINORU YONEDA MIKIKO ABE TOMOHITO NAGAOKA

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.190403, (Released:2019-06-21)

被引用文献数

3

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The reconstruction of everyday diets in villages is important for understanding the diversity of diets and commerce networks of food items in premodern Japan. However, premodern diets in villages have not been well studied compared with those in cities. In this study, stable isotope analyses were performed on 23 adult human skeletons excavated from Sendaiji, a mountainous woodland village of underground Christians in Osaka in premodern Japan. No significant isotopic differences was found between individuals identified as Buddhists and those identified as Christians or between females and males. The total mean carbon, nitrogen, and sulfur isotope ratios were –21.1 ± 0.4‰, 11.6 ± 1.0‰, and 8.9 ± 1.3‰, respectively. The carbon isotope ratios in Sendaiji were the lowest among the studied premodern populations probably because these individuals consumed woodland foods that are affected by the canopy effect. No significant correlation between sulfur and nitrogen isotope ratios was apparent, suggesting that there was little contribution from marine foods or marine fertilizers to the diet of individuals in premodern Sendaiji. The relatively high nitrogen isotope ratios in Sendaiji were possibly because of the denitrification in paddy rice fields, ammonium uptake by paddy rice, use of animal fertilizers, and/or consumption of freshwater fish. To our knowledge, this is the first detailed bioarchaeological study of the premodern diet in a mountainous village in western Japan.

著者

LEYRE PRADO-SIMÓN MARÍA MARTINÓN-TORRES PILAR BACA AIDA GÓMEZ-ROBLES MARÍA LAPRESA EUDALD CARBONELL JOSÉ MARIA BERMÚDEZ DE CASTRO

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.1111170119, (Released:2011-11-19)

被引用文献数

9 18

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The recent application of microtomographic techniques to dental morphological studies has revealed an untapped source of biological information about extinct and extant human populations. In particular, this methodology has helped to characterize internal dental structures (enamel–dentine junction, pulp chamber, and radicular canals), maximizing the amount of information that can be extracted from a given specimen. In this study, we present a three-dimensional evaluation of the dental roots of the Sima del Elefante mandible, ATE9-1 (Atapuerca, Spain) by visual inspection, and by tomographic and microtomographic techniques. With 1.3 Myrs of age, this fossil represents the earliest hominin remains in Europe, and one of the very few human fossils for this period and region. Through this case study we aim to present a protocol for the description of the internal dental spaces, exemplify how the application of microtomographic techniques can significantly increase the amount of relevant and informative morphological features (even in the case of fragmentary/heavily worn teeth or teeth with hypercementosis), and explore some biological considerations about external and internal root morphology. There is neither a general nor straightforward correspondence between the external root morphology and the root canals. In cases where a high degree of hypercementosis is present, the external root anatomy can be highly confusing. Indeed the assessment of the internal root anatomy of ATE9-1 teeth has led us to the reclassification of the LC and the LP3 with respect to previous publications. The results of this study suggest that internal root anatomy could be used as a complementary source of biological information.

著者

TIMOTHY A. JINAM YOSUKE KAWAI NARUYA SAITOU

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

vol.129, no.1, pp.3-11, 2021 (Released:2021-04-27)

参考文献数

44

被引用文献数

3 8

---

Previous studies suggested two major migration events during the Jomon and Yayoi periods that affected the genetic diversity of modern Japanese (Yaponesians). We explored the possibility of a three-wave migration model by examining three datasets of modern human DNA: (1) whole mitochondrial (mt) DNA genomes of 1642 Yaponesians; (2) mtDNA haplogroup frequencies of 59105 Yaponesians from 47 prefectures; and (3) genome-wide SNP data of two Yaponesians (Ainu, Okinawa) and whole-genome sequence data of Yamato individuals, the Funadomari Jomon F23 individual, and three East Asian populations (Korean, northern Chinese, and southern Chinese). Past population size change was estimated based on dataset 1, and we clearly observed a steep population increase after the Yayoi period. Principal-component analysis and phylogenetic network analysis were applied to dataset 2, and we confirmed the pattern consistent with our model. An admixture program was used on dataset 3, and we found that the two- and three-layer migration models are both compatible with these SNP data. Taken together, these three datasets provide support for our three-wave, ‘inner dual-structure’ model.

著者

Takumi Tsutaya Naomi Doi Chiaki Katagiri Rikai Sawafuji Minoru Yoneda

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.230718, (Released:2023-12-15)

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The development of the modern industrialized food production system has resulted in a homogeneous human diet worldwide. However, it is not clear whether a developed food production system led to a homogenized human diet also in ancient societies. Due to the lack of large archaeological datasets, we know little about the chronological trends and ancient circumstances of dietary homogenization. Here we compiled carbon and nitrogen stable isotope ratios, indicators of palaeodiet, of adult human skeletons from premodern mainland Japan (AD 1603–1868, n = 318) to investigate chronological changes in diet. Comparison with datasets from Japan in modern, premodern (Edo), and foraging (Jomon) periods showed that the human diet was rapidly homogenized isotopically in modern times. Premodern people in Japan typically obtained dietary proteins from C3 crops and fish, and the establishment of agriculture created a new isotope dietary niche compared with the foraging period. Dominant protein contributions from agricultural C3 crops cultivated with organic fertilizers and/or rice that are grown in paddy fields with denitrification increased premodern human nitrogen isotope ratios without increasing their carbon isotope ratios. Diet differed according to the social status of individuals or the availability of foods, and a unique diet can be seen in people in higher social classes such as the Shogun family. Meta-analysis of stable isotope ratios of archaeological human skeletons enables a comprehensive understanding of human dietary change through time and regional variations.

著者

FRANCK GUY RENAUD BOISTEL NICOLAS LENOIR LOUIS DE BONIS

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.150624, (Released:2015-09-30)

被引用文献数

3

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The HRD1 hominin maxilla was discovered during fieldwork carried out in the Republic of Djibouti, eastern Africa, in the 1980s. The HRD1 specimen is attributed to the genus Homo and has been dated from the Early to the Middle Pleistocene. This paper presents a detailed morphological and quantitative description of the HRD1 maxilla. The morphology of the dental roots, the enamel thickness, the morphological architecture of the premaxillary–maxillary complex, and the morphology of the maxillary sinus were all examined, yielding the data provided here. The Djiboutian specimen represents one of the late Early to Middle Pleistocene occurrences of Homo in an area where Pleistocene hominins are poorly documented despite a relative abundance of lithic artefacts. However, the precise identification of the specimen remains challenging and requires additional comparative analysis.

著者

ELENA GIL-DONOSO CECILIA GARCÍA-CAMPOS SILVIA BLASCO-MORENO MARIO MODESTO-MATA MARINA MARTÍNEZ DE PINILLOS CHITINA MORENO-TORRES MARÍA MARTINÓN-TORRES JOSÉ MARÍA BERMÚDEZ DE CASTRO

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.230315, (Released:2023-06-23)

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The dental tissue proportions of human permanent canines are one of only a few sexually dimorphic features that are present in childhood, and therefore offer the opportunity to estimate the sex of immature individuals. This work aims to evaluate for the first time the degree of sexual dimorphism ‍in the three-dimensional (3D) measurements of deciduous canine dental tissues, to assess their potential in sexual assessment. Computed microtomographic techniques have been employed to anal‍yse the maxillary and mandibular deciduous canines of 65 individuals (36 females and 29 males) of known sex and age. The teeth were scanned and the volumes and 3D surface areas of the enamel cup and the dentine–pulp complex were obtained. Our results did not show statistically significant differences in either the absolute or relative dimensions of the enamel and dentine between female and male teeth. We hence conclude that volumes and 3D surface areas of deciduous canine dental tissues do not allow for sex determination, which contrasts with what has been observed in permanent canines by other authors. The differences in the degree of sexual dimorphism in dental tissue proportions be‍tween permanent and deciduous canines seem to be due to a decrease in the intersexual variability of ‍the dentine component dimensions. Since the dentine component is a tissue capable of responding to ‍changes in sex hormone concentration levels, our results might indicate that hormones play a more important role in the development of sexual dimorphism in the permanent dentition than previously thought.

著者

NOBORU ADACHI JUNMEI SAWADA MINORU YONEDA KOICHI KOBAYASHI SHIGERU ITOH

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

vol.121, no.2, pp.137-143, 2013 (Released:2013-08-27)

参考文献数

37

被引用文献数

5 19

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Obtaining genetic information about early humans is indispensable to our understanding of the demographic history of mankind. In the present study, we performed a detailed mitochondrial DNA (mtDNA) analysis of a skeleton of the initial Jomon era unearthed from the Yugura cave site in Nagano, Japan, which was dated to 7920–7795 calBP by direct 14C dating. mtDNA of the Yugura skeleton was designated to haplogroup D4b2, which is widely observed in present-day East Asians, including the Japanese, but is absent in Hokkaido Jomon people. This finding indicates that the basal population of Japan was heterogeneous with respect to their mtDNA lineage. This is the first report on the genotype of the people from the initial phase of the Jomon period.

著者

DAVIDE PIFFER

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

vol.121, no.3, pp.161-171, 2013 (Released:2013-12-25)

参考文献数

45

被引用文献数

9 12

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Dual-inheritance theory posits that the genotype has an impact on the evolution of human behavior and that cultural traits can be constrained by genetic imperatives. A large body of studies provides evidence that the functional catechol-O-methyltransferase (COMT) Val158Met polymorphism is associated with executive function, working memory (WM), and intelligence. A survey of the population genetics database provides evidence that COMT gene frequencies vary across populations. The aim of the present study was to test the hypothesis that the COMT gene has an impact on cultural evolution, specifically on the adoption of an agricultural vs. a hunter-gatherer lifestyle. Statistically significant differences in COMT allele frequencies between hunter-gatherer and agricultural societies were found. Ethnic groups whose economy is based on farming have higher frequencies of the Met allele (symbol: A), whereas societies based on a hunter-gatherer economy have very low frequencies of the Met allele and a disproportionate predominance of the Val allele. Moreover, the frequency of the Met allele was positively correlated to the populations’ IQ (r = 0.57). The FNBP1L gene (rs236330) is associated with childhood and adult intelligence and it varies in frequency across populations. Frequency of rs236330 was also significantly correlated with the populations’ IQ (r = 0.81). COMT and FNBP1L had fairly similar geographical distributions (r = 0.44) although the result did not reach statistical significance. The results suggest that the genotype of a population influences its cultural development in fairly specific and predictable ways. Met allele frequency was positively correlated with latitude (r = 0.56), suggesting selective pressure due to climate.

著者

YONATAN SAHLE DOMENICO GIUSTI VANGELIS TOURLOUKIS

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.190603, (Released:2019-08-22)

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Recent paleoanthropological surveys conducted in the Lower Awash basin (Afar Rift) have led to the discovery of new localities. Here we announce and describe the latest addition to the roster of hominid-bearing research areas in this basin. Located east of the modern Awash River and west of the Megenta mountain ridge, localities in the new research area contain extensive clay and silty-sand deposits variably capped by a widespread sandstone layer rich in archaeology and vertebrate fossils. Some of the localities are associated with volcanic tuffs suitable for radioisotopic age determination. A Middle Pleistocene antiquity is strongly inferred from the sampled fauna and archaeology; precise age estimates await results from ongoing tephra geochronological and geochemical analyses. Much of the archaeology falls under the conventional category of late Acheulean; assemblages identifiable as ‘Middle’ and ‘Later Stone Age’ are documented in a few localities. The vertebrate fauna from the closely probed Acheulean and hominid-bearing localities indicates a relatively wooded, near-water habitat. The cranial and postcranial fossil hominid (and faunal) remains from the new localities promise insights into the patterns of human evolution across the Middle Pleistocene, a period currently poorly understood. Similarly, the archaeological occurrences provide unique opportunities for testing outstanding hypotheses about the origin of nuanced technologies and behaviors across the later Middle Pleistocene.

著者

YUKIMARU SUGIYAMA HIROYUKI KURITA TAKESHI MATSUI SATOSHI KIMOTO TADATOSHI SHIMOMURA

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

vol.117, no.2, pp.113-119, 2009 (Released:2009-07-24)

参考文献数

31

被引用文献数

22 69

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The quantitative and demographic features of infant-corpse-carrying behavior in Japanese macaques (Macaca fuscata) at Takasakiyama, southern Japan, have been studied over 24 years. More than 91% of the dead infants that were carried by their mothers were abandoned within a week. Mothers of all age classes exhibited this behavior and neither the carrying rate (number of carriers/number of deaths) nor the duration were significantly different between young and older mothers. The sex of the infant was not a decisive factor. Nearly 80% of all cases observed involved infants that had died within 30 days of birth. The oldest infant whose corpse was observed being carried had died at 253 days. The overall carrying rate was 15% when death had occurred within 253 days and 28.7% for infants that died within 30 days of birth. Most mothers whose infants had lived for more than a month abandoned the corpse soon after death. Some females persist in exhibiting behaviors performed towards live infants but the exact reasons for this are unclear at present.

著者

A. SOLÉ-LLUSSÀ A. GOROSTIZA R. RUBÍ-CASTELLANOS V. ACUNHA-ALONZO M. GENÉ H. RANGEL-VILLALOBOS A. GONZÁLEZ-MARTÍN

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.150422, (Released:2015-06-26)

被引用文献数

1

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The present study aims to outline the genetic makeup of the current population of the town of Yanga (Veracruz State, Mexico), the first Latin American settlement founded by African slaves in Mexico. For this purpose, we carried out the genetic characterization of 60 individuals from Yanga, analysing 15 autosomal short tandem repeats (STRs) and interpreting the results in the context of the admixed population known as Mexican mestizos. The genetic contribution from the three most important human groups in the current admixed Yanga population was calculated using Structure software. We detected a high percentage of Amerindian (48%) and European inheritance (44.7%), and a much less important African contribution (7.3%). These results were then compared with 10 other Mexican mestizo populations. The results fit the tri-hybrid model for admixture characterized by a high genetic contribution from Europeans and Africans in the north—though the African influence is lower—and a decreasing contribution from these two populations to the south and southeast. Conversely, the Amerindian component presents maximum values in the south and minimum values in the north. The Amerindian and European genetic traces are related to their ancestral settlements, but the African contribution can be explained by other parameters. To understand the current African genetic traces, we have to assume that there was a redistribution of these population groups and an important admixture phenomenon which led to the dilution of the African ancestral genetic pool. Furthermore, admixture was favoured by conditions that allowed individuals who intermarried to ascend in social status. These reasons would explain why despite the fact that Yanga was founded by black slaves, high levels of African ancestry are not found in the current population.

著者

RYUICHI MASUDA TAKAO SATO

出版者

日本人類学会

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.150111, (Released:2015-03-25)

被引用文献数

3 3

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To investigate the genetic variation of Jomon dogs (Canis familiaris) in Japan, partial sequences of the mitochondrial DNA (mtDNA) control region were determined from dog bone remains, which were excavated from two Jomon-period archaeological sites, the Kamikuroiwa Rock Shelter site in Ehime Prefecture (Shikoku Island) and the Higashimyo site in Saga Prefecture (Kyushu Island), Japan. Of seven individuals from the Kamikuroiwa Rock Shelter site, the mtDNA sequences from two individuals were successfully determined. Comparison of the resultant 215 base pair sequences with previously reported sequences showed that one of these two individuals had a new haplotype, named KRA1, and that the other had the previously reported M1 haplotype. For the Higashimyo site, three of11 individuals yielded successful sequences. Two of these three individuals shared M1 and the other one had M20, both of which are haplotypes previously reported in modern Japanese dogs, but had not been found in any Jomon dogs. The success rate in the present study was 27.8% (5/18 samples). It is noticed that the three mtDNA haplotypes (M1, M20 and KRA1) were found in Jomon dogs for the first time. In addition, sequence data were obtained from Jomon dogs in Shikoku for the first time. The results suggest that the genetic lineages in the Jomon dog populations were more polymorphic than previously reported, and that at least some maternal lineages shared in the Jomon period descended to modern dogs on the Japanese islands.

著者

HIDEAKI KANZAWA-KIRIYAMA AIKO SASO GEN SUWA NARUYA SAITOU

出版者

The Anthropological Society of Nippon

雑誌

Anthropological Science (ISSN:09187960)

巻号頁・発行日

pp.121113, (Released:2013-03-07)

被引用文献数

8 23 7

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We investigated mitochondrial DNA haplogroups of four Jomon individuals from the Sanganji shell mound in Fukushima, Tohoku district, Japan. Partial nucleotide sequences of the coding and control region of mitochondrial DNA were determined. The success rate of sequencing increased when we analyzed short DNA sequences. We identified haplogroups from all four samples that were analyzed; haplogroup frequencies were 50% (n = 2) for N9b and 50% (n = 2) for M7a2. Haplogroup N9b has been previously observed in high frequencies in the other Tohoku Jomon, Hokkaido Jomon, Okhotsk, and Ainu peoples, whereas its frequency was reported to be low in the Kanto Jomon and the modern mainland Japanese. Sub-haplogroup M7a2 has previously been reported in the Hokkaido Jomon, Okhotsk, and modern Udegey (southern Siberia) peoples, but not in the Kanto Jomon, Ainu, or Ryukyuan peoples. Principal component analysis and phylogenetic network analysis revealed that, based on haplogroup frequencies, the Tohoku Jomon was genetically closer to the Hokkaido Jomon and Udegey people, than to the Kanto Jomon or mainland modern Japanese. The available evidence suggests genetic differences between the Tohoku and Kanto regions in the Jomon period, and greater genetic similarity between the Tohoku Jomon and the other investigated ancient (Hokkaido Jomon, Okhotsk) and modern (Siberian, Udegey in particular) populations. At the same time, the Tohoku and Hokkaido Jomon seem to differ in sub-haplotype representations, suggesting complexity in Jomon population structure and history.