1
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Leonardi M, Boschin F, Boscato P, Manica A. Following the niche: the differential impact of the last glacial maximum on four European ungulates. Commun Biol 2022; 5:1038. [PMID: 36175492 PMCID: PMC9523052 DOI: 10.1038/s42003-022-03993-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 09/14/2022] [Indexed: 11/09/2022] Open
Abstract
Predicting the effects of future global changes on species requires a better understanding of the ecological niche dynamics in response to climate; the large climatic fluctuations of the last 50,000 years can be used as a natural experiment to that aim. Here we test whether the realized niche of horse, aurochs, red deer, and wild boar changed between 47,000 and 7500 years ago using paleoecological modelling over an extensive archaeological database. We show that they all changed their niche, with species-specific responses to climate fluctuations. We also suggest that they survived the climatic turnovers thanks to their flexibility and by expanding their niche in response to the extinction of competitors and predators. Irrespective of the mechanism behind such processes, the fact that species with long generation times can change their niche over thousands of years cautions against assuming it to stay constant both when reconstructing the past and predicting the future. European megafaunal ungulates living in open habitats over the last 50,000 years showed evidence for niche change, possibly driven by climatic change and extinction of competitors and predators
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Affiliation(s)
- Michela Leonardi
- Evolutionary Ecology Group, Department of Zoology, University of Cambridge, Downing Street, Cambridge, CB2 3EJ, UK.
| | - Francesco Boschin
- U.R. Preistoria e Antropologia, Dipartimento di Scienze Fisiche della Terra e dell'Ambiente, Università degli Studi di Siena, Via Laterina 8, 53100, Siena, Italy.
| | - Paolo Boscato
- U.R. Preistoria e Antropologia, Dipartimento di Scienze Fisiche della Terra e dell'Ambiente, Università degli Studi di Siena, Via Laterina 8, 53100, Siena, Italy
| | - Andrea Manica
- Evolutionary Ecology Group, Department of Zoology, University of Cambridge, Downing Street, Cambridge, CB2 3EJ, UK
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2
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Kwon T, Kim K, Caetano-Anolles K, Sung S, Cho S, Jeong C, Hanotte O, Kim H. Mitonuclear incompatibility as a hidden driver behind the genome ancestry of African admixed cattle. BMC Biol 2022; 20:20. [PMID: 35039029 PMCID: PMC8764764 DOI: 10.1186/s12915-021-01206-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 12/03/2021] [Indexed: 11/10/2022] Open
Abstract
Background Africa is an important watershed in the genetic history of domestic cattle, as two lineages of modern cattle, Bos taurus and B. indicus, form distinct admixed cattle populations. Despite the predominant B. indicus nuclear ancestry of African admixed cattle, B. indicus mitochondria have not been found on the continent. This discrepancy between the mitochondrial and nuclear genomes has been previously hypothesized to be driven by male-biased introgression of Asian B. indicus into ancestral African B. taurus. Given that this hypothesis mandates extreme demographic assumptions relying on random genetic drift, we propose a novel hypothesis of selection induced by mitonuclear incompatibility and assess these hypotheses with regard to the current genomic status of African admixed cattle. Results By analyzing 494 mitochondrial and 235 nuclear genome sequences, we first confirmed the genotype discrepancy between mitochondrial and nuclear genome in African admixed cattle: the absence of B. indicus mitochondria and the predominant B. indicus autosomal ancestry. We applied approximate Bayesian computation (ABC) to assess the posterior probabilities of two selection hypotheses given this observation. The results of ABC indicated that the model assuming both male-biased B. indicus introgression and selection induced by mitonuclear incompatibility explains the current genomic discrepancy most accurately. Subsequently, we identified selection signatures at autosomal loci interacting with mitochondria that are responsible for integrity of the cellular respiration system. By contrast with B. indicus-enriched genome ancestry of African admixed cattle, local ancestries at these selection signatures were enriched with B. taurus alleles, concurring with the key expectation of selection induced by mitonuclear incompatibility. Conclusions Our findings support the current genome status of African admixed cattle as a potential outcome of male-biased B. indicus introgression, where mitonuclear incompatibility exerted selection pressure against B. indicus mitochondria. This study provides a novel perspective on African cattle demography and supports the role of mitonuclear incompatibility in the hybridization of mammalian species. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-021-01206-x.
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Affiliation(s)
- Taehyung Kwon
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea
| | - Kwondo Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea.,eGnome, Inc, Seoul, South Korea
| | | | | | | | - Choongwon Jeong
- School of Biological Sciences, Seoul National University, Seoul, South Korea
| | - Olivier Hanotte
- School of Life Sciences, University of Nottingham, Nottingham, UK. .,LiveGene, International Livestock Research Institute (ILRI), Addis Ababa, Ethiopia. .,The Centre for Tropical Livestock Genetics and Health (CTLGH), The Roslin Institute, The University of Edinburgh, Edinburgh, UK.
| | - Heebal Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, South Korea. .,eGnome, Inc, Seoul, South Korea. .,Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, South Korea.
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3
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Cubric‐Curik V, Novosel D, Brajkovic V, Rota Stabelli O, Krebs S, Sölkner J, Šalamon D, Ristov S, Berger B, Trivizaki S, Bizelis I, Ferenčaković M, Rothammer S, Kunz E, Simčič M, Dovč P, Bunevski G, Bytyqi H, Marković B, Brka M, Kume K, Stojanović S, Nikolov V, Zinovieva N, Schönherz AA, Guldbrandtsen B, Čačić M, Radović S, Miracle P, Vernesi C, Curik I, Medugorac I. Large‐scale mitogenome sequencing reveals consecutive expansions of domestic taurine cattle and supports sporadic aurochs introgression. Evol Appl 2021; 15:663-678. [PMID: 35505892 PMCID: PMC9046920 DOI: 10.1111/eva.13315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 10/01/2021] [Accepted: 10/11/2021] [Indexed: 11/29/2022] Open
Affiliation(s)
- Vlatka Cubric‐Curik
- Department of Animal Science University of Zagreb Faculty of Agriculture Zagreb Croatia
| | - Dinko Novosel
- Department of Animal Science University of Zagreb Faculty of Agriculture Zagreb Croatia
- Department of Pathology Croatian Veterinary Institute Zagreb Croatia
| | - Vladimir Brajkovic
- Department of Animal Science University of Zagreb Faculty of Agriculture Zagreb Croatia
| | - Omar Rota Stabelli
- Department of Sustainable Agro‐Ecosystems and Bioresources, Research and Innovation Centre Fondazione Edmund Mach S. Michele all' Adige Italy
| | - Stefan Krebs
- Laboratory for Functional Genome Analysis Gene Center Ludwig Maximilians University Munich Munich Germany
| | - Johann Sölkner
- Division of Livestock Sciences Department of Sustainable Agricultural Systems BOKU‐University of Natural Resources and Life Sciences Vienna Vienna Austria
| | - Dragica Šalamon
- Department of Animal Science University of Zagreb Faculty of Agriculture Zagreb Croatia
| | | | - Beate Berger
- AREC Raumberg‐Gumpenstein Institute of Organic Farming and Biodiversity of Farm Animals Thalheim Austria
| | | | - Iosif Bizelis
- Faculty of Animal Science and Aquaculture Department of Animal Breeding & Husbandry Agricultural University of Athens Athens Greece
| | - Maja Ferenčaković
- Department of Animal Science University of Zagreb Faculty of Agriculture Zagreb Croatia
| | - Sophie Rothammer
- Population Genomics Group Faculty of Veterinary Medicine Department of Veterinary Sciences LMU Munich Munich Germany
| | - Elisabeth Kunz
- Population Genomics Group Faculty of Veterinary Medicine Department of Veterinary Sciences LMU Munich Munich Germany
| | - Mojca Simčič
- Biotechnical Faculty Department of Animal Science University of Ljubljana Ljubljana Slovenia
| | - Peter Dovč
- Biotechnical Faculty Department of Animal Science University of Ljubljana Ljubljana Slovenia
| | - Gojko Bunevski
- Faculty of Agricultural Sciences and Food University Ss. Cyril and Methodius Skopje Macedonia
| | - Hysen Bytyqi
- Faculty of Agriculture and Veterinary Department of Animal Science University of Prishtina Prishtina Kosovo
| | - Božidarka Marković
- Biotechnical Faculty Department of Livestock Science University of Montenegro Podgorica Montenegro
| | - Muhamed Brka
- Faculty of Agriculture and Food Science Institute of Animal Sciences University of Sarajevo Sarajevo Bosnia and Herzegovina
| | | | - Srđan Stojanović
- Ministry of Agriculture, Forestry and Water Management Beograd Serbia
| | - Vasil Nikolov
- Executive Agency for Selection and Reproduction in Animal Breeding Sofia Bulgaria
| | - Natalia Zinovieva
- Center of Biotechnology and Molecular Diagnostics of the L.K. Ernst Institute of Animal Husbandry Moscow Region Russia
| | | | - Bernt Guldbrandtsen
- Department of Animal Sciences Rheinische Friedrich‐Wilhelms‐Universität Bonn Bonn Germany
| | - Mato Čačić
- Croatian Agricultural Agency Zagreb Croatia
| | - Siniša Radović
- Institute for Quaternary Palaeontology and Geology Croatian Academy of Sciences and Arts Zagreb Croatia
| | - Preston Miracle
- Department of Archaeology University of Cambridge Cambridge UK
| | - Cristiano Vernesi
- Department of Sustainable Agro‐Ecosystems and Bioresources, Research and Innovation Centre Fondazione Edmund Mach S. Michele all' Adige Italy
| | - Ino Curik
- Department of Animal Science University of Zagreb Faculty of Agriculture Zagreb Croatia
| | - Ivica Medugorac
- Population Genomics Group Faculty of Veterinary Medicine Department of Veterinary Sciences LMU Munich Munich Germany
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4
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Senczuk G, Mastrangelo S, Ajmone-Marsan P, Becskei Z, Colangelo P, Colli L, Ferretti L, Karsli T, Lancioni H, Lasagna E, Marletta D, Persichilli C, Portolano B, Sarti FM, Ciani E, Pilla F. On the origin and diversification of Podolian cattle breeds: testing scenarios of European colonization using genome-wide SNP data. Genet Sel Evol 2021; 53:48. [PMID: 34078254 PMCID: PMC8173809 DOI: 10.1186/s12711-021-00639-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 05/17/2021] [Indexed: 11/17/2022] Open
Abstract
Background During the Neolithic expansion, cattle accompanied humans and spread from their domestication centres to colonize the ancient world. In addition, European cattle occasionally intermingled with both indicine cattle and local aurochs resulting in an exclusive pattern of genetic diversity. Among the most ancient European cattle are breeds that belong to the so-called Podolian trunk, the history of which is still not well established. Here, we used genome-wide single nucleotide polymorphism (SNP) data on 806 individuals belonging to 36 breeds to reconstruct the origin and diversification of Podolian cattle and to provide a reliable scenario of the European colonization, through an approximate Bayesian computation random forest (ABC-RF) approach. Results Our results indicate that European Podolian cattle display higher values of genetic diversity indices than both African taurine and Asian indicine breeds. Clustering analyses show that Podolian breeds share close genomic relationships, which suggests a likely common genetic ancestry. Among the simulated and tested scenarios of the colonization of Europe from taurine cattle, the greatest support was obtained for the model assuming at least two waves of diffusion. Time estimates are in line with an early migration from the domestication centre of non-Podolian taurine breeds followed by a secondary migration of Podolian breeds. The best fitting model also suggests that the Italian Podolian breeds are the result of admixture between different genomic pools. Conclusions This comprehensive dataset that includes most of the autochthonous cattle breeds belonging to the so-called Podolian trunk allowed us not only to shed light onto the origin and diversification of this group of cattle, but also to gain new insights into the diffusion of European cattle. The most well-supported scenario of colonization points to two main waves of migrations: with one that occurred alongside with the Neolithic human expansion and gave rise to the non-Podolian taurine breeds, and a more recent one that favoured the diffusion of European Podolian. In this process, we highlight the importance of both the Mediterranean and Danube routes in promoting European cattle colonization. Moreover, we identified admixture as a driver of diversification in Italy, which could represent a melting pot for Podolian cattle. Supplementary Information The online version contains supplementary material available at 10.1186/s12711-021-00639-w.
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Affiliation(s)
- Gabriele Senczuk
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100, Campobasso, Italy.
| | - Salvatore Mastrangelo
- Department of Agricultural, Food and Forest Sciences, University of Palermo, 90128, Palermo, Italy
| | - Paolo Ajmone-Marsan
- Department of Animal Science Food and Nutrition, DIANA, Nutrigenomics and Proteomics Research Centre, PRONUTRIGEN, Biodiversity and Ancient DNA Research Centre, BioDNA, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Zsolt Becskei
- Department of Animal Breeding and Genetics, Faculty of Veterinary Medicine, Bulevar Oslobodjenja street 18, 11000, Belgrade, Serbia
| | - Paolo Colangelo
- National Council of Research (CNR), Research Institute On Terrestrial Ecosystems (IRET), Via Salaria km 29.300, Montelibretti, 00015, Rome, Italy
| | - Licia Colli
- Department of Animal Science Food and Nutrition, DIANA, Nutrigenomics and Proteomics Research Centre, PRONUTRIGEN, Biodiversity and Ancient DNA Research Centre, BioDNA, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Luca Ferretti
- Department of Biology and Biotechnology, University of Pavia, Italy, Pavia
| | - Taki Karsli
- Department of Animal Science, Faculty of Agriculture, Akdeniz University, Antalya, Turkey
| | - Hovirag Lancioni
- Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di sotto, 06123, Perugia, Italy
| | - Emiliano Lasagna
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121, Perugia, Italy
| | - Donata Marletta
- Department of Agriculture, Food and Environment, University of Catania, 95125, Catania, Italy
| | - Christian Persichilli
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100, Campobasso, Italy
| | - Baldassare Portolano
- Department of Agricultural, Food and Forest Sciences, University of Palermo, 90128, Palermo, Italy
| | - Francesca M Sarti
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121, Perugia, Italy
| | - Elena Ciani
- Department of Bioscience, Biotechnology and Biopharmaceuticals, University of Bari, 70124, Bari, Italy
| | - Fabio Pilla
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100, Campobasso, Italy
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5
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Zhang K, Lenstra JA, Zhang S, Liu W, Liu J. Evolution and domestication of the Bovini species. Anim Genet 2020; 51:637-657. [PMID: 32716565 DOI: 10.1111/age.12974] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2020] [Indexed: 12/17/2022]
Abstract
Domestication of the Bovini species (taurine cattle, zebu, yak, river buffalo and swamp buffalo) since the early Holocene (ca. 10 000 BCE) has contributed significantly to the development of human civilization. In this study, we review recent literature on the origin and phylogeny, domestication and dispersal of the three major Bos species - taurine cattle, zebu and yak - and their genetic interactions. The global dispersion of taurine and zebu cattle was accompanied by population bottlenecks, which resulted in a marked phylogeographic differentiation of the mitochondrial and Y-chromosomal DNA. The high diversity of European breeds has been shaped through isolation-by-distance, different production objectives, breed formation and the expansion of popular breeds. The overlapping and broad ranges of taurine and zebu cattle led to hybridization with each other and with other bovine species. For instance, Chinese gayal carries zebu mitochondrial DNA; several Indonesian zebu descend from zebu bull × banteng cow crossings; Tibetan cattle and yak have exchanged gene variants; and about 5% of the American bison contain taurine mtDNA. Analysis at the genomic level indicates that introgression may have played a role in environmental adaptation.
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Affiliation(s)
- K Zhang
- State Key Laboratory of Grassland Agro-ecosystem, Institute of Innovation Ecology and College of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - J A Lenstra
- Faculty of Veterinary Medicine, Utrecht University, Utrecht Yalelaan 104, Utrecht, 3584 CM, The Netherlands
| | - S Zhang
- State Key Laboratory of Grassland Agro-ecosystem, Institute of Innovation Ecology and College of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - W Liu
- State Key Laboratory of Grassland Agro-ecosystem, Institute of Innovation Ecology and College of Life Sciences, Lanzhou University, Lanzhou, 730000, China
| | - J Liu
- State Key Laboratory of Grassland Agro-ecosystem, Institute of Innovation Ecology and College of Life Sciences, Lanzhou University, Lanzhou, 730000, China
- Key Laboratory for Bio-resource and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, China
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6
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Ning T, Ling Y, Hu S, Ardalan A, Li J, Mitra B, Chaudhuri TK, Guan W, Zhao Q, Ma Y, Savolainen P, Zhang Y. Local origin or external input: modern horse origin in East Asia. BMC Evol Biol 2019; 19:217. [PMID: 31775623 PMCID: PMC6882189 DOI: 10.1186/s12862-019-1532-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 10/18/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Despite decades of research, the horse domestication scenario in East Asia remains poorly understood. RESULTS The study identified 16 haplogroups with fine-scale phylogenetic resolution using mitochondrial genomes of 317 horse samples. The time to the most recent common ancestor of the 16 haplogroups ranges from [0.8-3.1] thousand years ago (KYA) to [7.9-27.1] KYA. With combined analyses of the mitochondrial control region for 35 extant Przewalski's horses, 3544 modern and 203 ancient horses across the world, researchers provide evidence for that East Asian prevalent haplogroups Q and R were indigenously domesticated or they were involved in numerous distinct genetic components from wild horses in the southern part of East Asia. These events of haplotypes Q and R occurred during 4.7 to 16.3 KYA and 2.1 to 11.5 KYA, respectively. The diffusion of preponderant European haplogroups L from west to East Asia is consistent with the external gene input. Furthermore, genetic differences were detected between northern East Asia and southern East Asia cohorts by Principal Component Analysis, Analysis of Molecular Variance test, the χ2 test and phylogeographic analyses. CONCLUSIONS All results suggest a complex picture of horse domestication, as well as geographic pattern in East Asia. Both local origin and external input occurred in East Asia horse populations. And besides, there are at least two different domestication or hybridization centers in East Asia.
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Affiliation(s)
- Tiao Ning
- College of Agriculture, Kunming University, Kunming, 650214, Yunnan, China. .,Laboratory for Conservation and Utilization of Bio-resource and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming, 650091, Yunnan, China.
| | - Yinghui Ling
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.,College of Animal Science and Technology, Anhui Agricultural University, Hefei, 230036, Anhui, China
| | - Shaoji Hu
- Institute of International Rivers and Eco-security, Yunnan University, Kunming, 650214, Yunnan, China
| | - Arman Ardalan
- Department of Gene Technology, Science for Life Laboratory, KTH Royal Institute of Technology, SE-171 65, Solna, Sweden
| | - Jing Li
- College of Agriculture, Kunming University, Kunming, 650214, Yunnan, China.,The Research Center for Urban Modern Agricultural Engineering of Yunnan Tertiary Education, Kunming University, Kunming, 650214, Yunnan, China
| | - Bikash Mitra
- Department of Zoology, University of North Bengal, Cellular Immunology Laboratory, Siliguri, West Bengal, 734013, India
| | - Tapas Kumar Chaudhuri
- Department of Zoology, University of North Bengal, Cellular Immunology Laboratory, Siliguri, West Bengal, 734013, India
| | - Weijun Guan
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Qianjun Zhao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yuehui Ma
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Peter Savolainen
- Department of Gene Technology, Science for Life Laboratory, KTH Royal Institute of Technology, SE-171 65, Solna, Sweden.
| | - Yaping Zhang
- Laboratory for Conservation and Utilization of Bio-resource and Key Laboratory for Microbial Resources of the Ministry of Education, Yunnan University, Kunming, 650091, Yunnan, China. .,State Key Laboratory of Genetic Resources and Evolution Kunming, Yunnan, Kunming Institute of Zoology, Chinese Academy of Sciences, Wuhua, 650223, Yunnan, China.
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7
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MacHugh DE, Larson G, Orlando L. Taming the Past: Ancient DNA and the Study of Animal Domestication. Annu Rev Anim Biosci 2016; 5:329-351. [PMID: 27813680 DOI: 10.1146/annurev-animal-022516-022747] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
During the last decade, ancient DNA research has been revolutionized by the availability of increasingly powerful DNA sequencing and ancillary genomics technologies, giving rise to the new field of paleogenomics. In this review, we show how our understanding of the genetic basis of animal domestication and the origins and dispersal of livestock and companion animals during the Upper Paleolithic and Neolithic periods is being rapidly transformed through new scientific knowledge generated with paleogenomic methods. These techniques have been particularly informative in revealing high-resolution patterns of artificial and natural selection and evidence for significant admixture between early domestic animal populations and their wild congeners.
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Affiliation(s)
- David E MacHugh
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, University College Dublin, Dublin 4, Ireland; .,UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Ireland
| | - Greger Larson
- Palaeogenomics & Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford OX1 3QY, United Kingdom;
| | - Ludovic Orlando
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark; .,Université de Toulouse, University Paul Sabatier, Laboratoire AMIS, CNRS UMR 5288, 31000 Toulouse, France
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8
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Upadhyay MR, Chen W, Lenstra JA, Goderie CRJ, MacHugh DE, Park SDE, Magee DA, Matassino D, Ciani F, Megens HJ, van Arendonk JAM, Groenen MAM. Genetic origin, admixture and population history of aurochs (Bos primigenius) and primitive European cattle. Heredity (Edinb) 2016; 118:169-176. [PMID: 27677498 PMCID: PMC5234481 DOI: 10.1038/hdy.2016.79] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 07/28/2016] [Accepted: 07/29/2016] [Indexed: 01/10/2023] Open
Abstract
The domestication of taurine cattle initiated ~10 000 years ago in the Near East from a wild aurochs (Bos primigenius) population followed by their dispersal through migration of agriculturalists to Europe. Although gene flow from wild aurochs still present at the time of this early dispersion is still debated, some of the extant primitive cattle populations are believed to possess the aurochs-like primitive features. In this study, we use genome-wide single nucleotide polymorphisms to assess relationship, admixture patterns and demographic history of an ancient aurochs sample and European cattle populations, several of which have primitive features and are suitable for extensive management. The principal component analysis, the model-based clustering and a distance-based network analysis support previous works suggesting different histories for north-western and southern European cattle. Population admixture analysis indicates a zebu gene flow in the Balkan and Italian Podolic cattle populations. Our analysis supports the previous report of gene flow between British and Irish primitive cattle populations and local aurochs. In addition, we show evidence of aurochs gene flow in the Iberian cattle populations indicating wide geographical distribution of the aurochs. Runs of homozygosity (ROH) reveal that demographic processes like genetic isolation and breed formation have contributed to genomic variations of European cattle populations. The ROH also indicate recent inbreeding in southern European cattle populations. We conclude that in addition to factors such as ancient human migrations, isolation by distance and cross-breeding, gene flow between domestic and wild-cattle populations also has shaped genomic composition of European cattle populations.
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Affiliation(s)
- M R Upadhyay
- Animal Breeding and Genomics Centre, Wageningen University, Wageningen, The Netherlands.,Department of Animal Breeding and Genetics, Swedish Institute of Agricultural Sciences, Uppsala, Sweden
| | - W Chen
- Animal Breeding and Genomics Centre, Wageningen University, Wageningen, The Netherlands
| | - J A Lenstra
- Faculty of Veterinary Medicine, Utrecht University, CM Utrecht, The Netherlands
| | | | - D E MacHugh
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, University College Dublin, Dublin 4, Ireland.,UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin 4, Ireland
| | - S D E Park
- IdentiGEN Ltd, Unit 2, Trinity Enterprise Centre, Dublin 2, Ireland
| | - D A Magee
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, University College Dublin, Dublin 4, Ireland
| | - D Matassino
- Consortium for Experimentation, Dissemination and application of Innovative Biotechniques, ConSDABI NFP, I FAO-GS AnGR, Benevento, Italy
| | - F Ciani
- Consortium for Experimentation, Dissemination and application of Innovative Biotechniques, ConSDABI NFP, I FAO-GS AnGR, Benevento, Italy
| | - H-J Megens
- Animal Breeding and Genomics Centre, Wageningen University, Wageningen, The Netherlands
| | - J A M van Arendonk
- Animal Breeding and Genomics Centre, Wageningen University, Wageningen, The Netherlands
| | - M A M Groenen
- Animal Breeding and Genomics Centre, Wageningen University, Wageningen, The Netherlands
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9
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Di Lorenzo P, Lancioni H, Ceccobelli S, Curcio L, Panella F, Lasagna E. Uniparental genetic systems: a male and a female perspective in the domestic cattle origin and evolution. ELECTRON J BIOTECHN 2016. [DOI: 10.1016/j.ejbt.2016.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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10
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Manning K, Timpson A, Shennan S, Crema E. Size Reduction in Early European Domestic Cattle Relates to Intensification of Neolithic Herding Strategies. PLoS One 2015; 10:e0141873. [PMID: 26630287 PMCID: PMC4668083 DOI: 10.1371/journal.pone.0141873] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Accepted: 10/14/2015] [Indexed: 12/04/2022] Open
Abstract
Our analysis of over 28,000 osteometric measurements from fossil remains dating between c. 5600 and 1500 BCE reveals a substantial reduction in body mass of 33% in Neolithic central European domestic cattle. We investigate various plausible explanations for this phenotypic adaptation, dismissing climatic change as a causal factor, and further rejecting the hypothesis that it was caused by an increase in the proportion of smaller adult females in the population. Instead we find some support for the hypothesis that the size decrease was driven by a demographic shift towards smaller newborns from sub-adult breeding as a result of intensifying meat production strategies during the Neolithic.
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Affiliation(s)
- Katie Manning
- Institute of Archaeology, University College London, London, United Kingdom
| | - Adrian Timpson
- Research Department of Genetics, Evolution and Environment, University College London, London, United Kingdom
| | - Stephen Shennan
- Institute of Archaeology, University College London, London, United Kingdom
| | - Enrico Crema
- Institute of Archaeology, University College London, London, United Kingdom.,CaSEs-Complexity and Socio-Ecological Dynamics Research Group, Universitat Pompeu Fabra, Department of Humanities, Barcelona, Spain
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11
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Vai S, Vilaça ST, Romandini M, Benazzo A, Visentini P, Modolo M, Bertolini M, MacQueen P, Austin J, Cooper A, Caramelli D, Lari M, Bertorelle G. The Biarzo case in northern Italy: is the temporal dynamic of swine mitochondrial DNA lineages in Europe related to domestication? Sci Rep 2015; 5:16514. [PMID: 26549464 PMCID: PMC4637886 DOI: 10.1038/srep16514] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 10/05/2015] [Indexed: 11/09/2022] Open
Abstract
Genetically-based reconstructions of the history of pig domestication in Europe are based on two major pillars: 1) the temporal changes of mitochondrial DNA lineages are related to domestication; 2) Near Eastern haplotypes which appeared and then disappeared in some sites across Europe are genetic markers of the first Near Eastern domestic pigs. We typed a small but informative fragment of the mitochondrial DNA in 23 Sus scrofa samples from a site in north eastern Italy (Biarzo shelter) which provides a continuous record across a ≈6,000 year time frame from the Upper Palaeolithic to the Neolithic. We additionally carried out several radiocarbon dating. We found that a rapid mitochondrial DNA turnover occurred during the Mesolithic, suggesting that substantial changes in the composition of pig mitochondrial lineages can occur naturally across few millennia independently of domestication processes. Moreover, so-called Near Eastern haplotypes were present here at least two millennia before the arrival of Neolithic package in the same area. Consequently, we recommend a re-evaluation of the previous idea that Neolithic farmers introduced pigs domesticated in the Near East, and that Mesolithic communities acquired domestic pigs via cultural exchanges, to include the possibility of a more parsimonious hypothesis of local domestication in Europe.
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Affiliation(s)
- Stefania Vai
- Dipartimento di Biologia, Università di Firenze, Firenze, Italy
| | - Sibelle Torres Vilaça
- Dipartimento di Scienze della Vita e Biotecnologie, Università di Ferrara, Ferrara, Italy
| | - Matteo Romandini
- Dipartimento di Studi Umanistici, Sezione di Scienze Preistoriche e Antropologiche, Università di Ferrara, Ferrara, Italy
| | - Andrea Benazzo
- Dipartimento di Scienze della Vita e Biotecnologie, Università di Ferrara, Ferrara, Italy
| | | | - Marta Modolo
- Dipartimento di Studi Umanistici, Sezione di Scienze Preistoriche e Antropologiche, Università di Ferrara, Ferrara, Italy
| | - Marco Bertolini
- Dipartimento di Studi Umanistici, Sezione di Scienze Preistoriche e Antropologiche, Università di Ferrara, Ferrara, Italy
| | - Peggy MacQueen
- Australian Centre for Ancient DNA, University of Adelaide, Adelaide, Australia
| | - Jeremy Austin
- Australian Centre for Ancient DNA, University of Adelaide, Adelaide, Australia
| | - Alan Cooper
- Australian Centre for Ancient DNA, University of Adelaide, Adelaide, Australia
| | - David Caramelli
- Dipartimento di Biologia, Università di Firenze, Firenze, Italy
| | - Martina Lari
- Dipartimento di Biologia, Università di Firenze, Firenze, Italy
| | - Giorgio Bertorelle
- Dipartimento di Scienze della Vita e Biotecnologie, Università di Ferrara, Ferrara, Italy
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12
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Olivieri A, Gandini F, Achilli A, Fichera A, Rizzi E, Bonfiglio S, Battaglia V, Brandini S, De Gaetano A, El-Beltagi A, Lancioni H, Agha S, Semino O, Ferretti L, Torroni A. Mitogenomes from Egyptian Cattle Breeds: New Clues on the Origin of Haplogroup Q and the Early Spread of Bos taurus from the Near East. PLoS One 2015; 10:e0141170. [PMID: 26513361 PMCID: PMC4626031 DOI: 10.1371/journal.pone.0141170] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 10/04/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Genetic studies support the scenario that Bos taurus domestication occurred in the Near East during the Neolithic transition about 10 thousand years (ky) ago, with the likely exception of a minor secondary event in Italy. However, despite the proven effectiveness of whole mitochondrial genome data in providing valuable information concerning the origin of taurine cattle, until now no population surveys have been carried out at the level of mitogenomes in local breeds from the Near East or surrounding areas. Egypt is in close geographic and cultural proximity to the Near East, in particular the Nile Delta region, and was one of the first neighboring areas to adopt the Neolithic package. Thus, a survey of mitogenome variation of autochthonous taurine breeds from the Nile Delta region might provide new insights on the early spread of cattle rearing outside the Near East. METHODOLOGY Using Illumina high-throughput sequencing we characterized the mitogenomes from two cattle breeds, Menofi (N = 17) and Domiaty (N = 14), from the Nile Delta region. Phylogenetic and Bayesian analyses were subsequently performed. CONCLUSIONS Phylogenetic analyses of the 31 mitogenomes confirmed the prevalence of haplogroup T1, similar to most African cattle breeds, but showed also high frequencies for haplogroups T2, T3 and Q1, and an extremely high haplotype diversity, while Bayesian skyline plots pointed to a main episode of population growth ~12.5 ky ago. Comparisons of Nile Delta mitogenomes with those from other geographic areas revealed that (i) most Egyptian mtDNAs are probably direct local derivatives from the founder domestic herds which first arrived from the Near East and the extent of gene flow from and towards the Nile Delta region was limited after the initial founding event(s); (ii) haplogroup Q1 was among these founders, thus proving that it underwent domestication in the Near East together with the founders of the T clades.
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Affiliation(s)
- Anna Olivieri
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
- * E-mail:
| | - Francesca Gandini
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
- School of Applied Sciences, University of Huddersfield, Queensgate, Huddersfield, United Kingdom
| | - Alessandro Achilli
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
- Dipartimento di Chimica, Biologia e Biotecnologie, Università di Perugia, Perugia, Italy
| | - Alessandro Fichera
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Ermanno Rizzi
- Istituto di Tecnologie Biomediche, Consiglio Nazionale delle Ricerche, Segrate (Milano), Italy
- Fondazione Telethon, Milano, Italy
| | - Silvia Bonfiglio
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Vincenza Battaglia
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Stefania Brandini
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Anna De Gaetano
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Ahmed El-Beltagi
- Animal Production Research Institute (APRI), Ministry of Agriculture, Cairo, Egypt
| | - Hovirag Lancioni
- Dipartimento di Chimica, Biologia e Biotecnologie, Università di Perugia, Perugia, Italy
| | - Saif Agha
- Department of Animal Production, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
| | - Ornella Semino
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Luca Ferretti
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Antonio Torroni
- Dipartimento di Biologia e Biotecnologie "L. Spallanzani", Università di Pavia, Pavia, Italy
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13
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Parks M, Subramanian S, Baroni C, Salvatore MC, Zhang G, Millar CD, Lambert DM. Ancient population genomics and the study of evolution. Philos Trans R Soc Lond B Biol Sci 2015; 370:20130381. [PMID: 25487332 DOI: 10.1098/rstb.2013.0381] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Recently, the study of ancient DNA (aDNA) has been greatly enhanced by the development of second-generation DNA sequencing technologies and targeted enrichment strategies. These developments have allowed the recovery of several complete ancient genomes, a result that would have been considered virtually impossible only a decade ago. Prior to these developments, aDNA research was largely focused on the recovery of short DNA sequences and their use in the study of phylogenetic relationships, molecular rates, species identification and population structure. However, it is now possible to sequence a large number of modern and ancient complete genomes from a single species and thereby study the genomic patterns of evolutionary change over time. Such a study would herald the beginnings of ancient population genomics and its use in the study of evolution. Species that are amenable to such large-scale studies warrant increased research effort. We report here progress on a population genomic study of the Adélie penguin (Pygoscelis adeliae). This species is ideally suited to ancient population genomic research because both modern and ancient samples are abundant in the permafrost conditions of Antarctica. This species will enable us to directly address many of the fundamental questions in ecology and evolution.
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Affiliation(s)
- M Parks
- Environmental Futures Research Institute, Griffith University, Nathan, Australia
| | - S Subramanian
- Environmental Futures Research Institute, Griffith University, Nathan, Australia
| | - C Baroni
- Dipartimento di Scienze della Terra, Universita di Pisa, Pisa, Italy
| | - M C Salvatore
- Dipartimento di Scienze della Terra, Universita di Pisa, Pisa, Italy
| | - G Zhang
- China National Genebank-Shenzhen, BGI-Shenzhen, Shenzhen, Republic of China Centre for Social Evolution, Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - C D Millar
- Allan Wilson Centre for Molecular Ecology and Evolution, School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - D M Lambert
- Environmental Futures Research Institute, Griffith University, Nathan, Australia
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14
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Gargani M, Pariset L, Lenstra JA, De Minicis E, Valentini A. Microsatellite genotyping of medieval cattle from central Italy suggests an old origin of Chianina and Romagnola cattle. Front Genet 2015; 6:68. [PMID: 25788902 PMCID: PMC4349168 DOI: 10.3389/fgene.2015.00068] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Accepted: 02/10/2015] [Indexed: 12/02/2022] Open
Abstract
Analysis of DNA from archeological remains is a valuable tool to interpret the history of ancient animal populations. So far most studies of ancient DNA target mitochondrial DNA (mtDNA), which reveals maternal lineages, but only partially the relationships of current breeds and ancient populations. In this study we explore the feasibility of nuclear DNA analysis. DNA was extracted from 1000-years old cattle bone collected from Ferento, an archeological site in central Italy. Amplification of 15 microsatellite FAO-recommended markers with PCR products yielded genotypes for four markers. Expected heterozygosity was comparable with values of modern breeds, but observed heterozygosity was underestimated due to allelic loss. Genetic distances suggested a position intermediate between (1) Anatolian, Balkan, Sicilian and South-Italian cattle and (2) the Iberian, North-European and Central-European cattle, but also a clear relationship with two central-Italian breeds, Chianina and Romagnola. This suggests that these breeds are derived from medieval cattle living in the same area. Our results illustrate the potential of ancient DNA for reconstructing the history of local cattle husbandry.
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Affiliation(s)
- Maria Gargani
- Department for Innovation in Biological, Agro-food and Forest systems, University of Tuscia Viterbo, Italy
| | - Lorraine Pariset
- Department for Innovation in Biological, Agro-food and Forest systems, University of Tuscia Viterbo, Italy
| | | | - Elisabetta De Minicis
- Department of Sciences of Cultural Heritage (DISBEC), University of Tuscia Viterbo, Italy
| | | | - Alessio Valentini
- Department for Innovation in Biological, Agro-food and Forest systems, University of Tuscia Viterbo, Italy
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15
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Lewis PO, Holder MT, Swofford DL. Phycas: Software for Bayesian Phylogenetic Analysis. Syst Biol 2015; 64:525-31. [DOI: 10.1093/sysbio/syu132] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 12/24/2014] [Indexed: 12/15/2022] Open
Affiliation(s)
- Paul O. Lewis
- Department of Ecology and Evolutionary Biology, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, USA; 2Department of Ecology and Evolution, University of Kansas, 1200 Sunnyside Avenue, Lawrence, KS 66045, USA; and 3Department of Biology, Box 90338, Duke University, Durham, NC 27708, USA
| | - Mark T. Holder
- Department of Ecology and Evolutionary Biology, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, USA; 2Department of Ecology and Evolution, University of Kansas, 1200 Sunnyside Avenue, Lawrence, KS 66045, USA; and 3Department of Biology, Box 90338, Duke University, Durham, NC 27708, USA
| | - David L. Swofford
- Department of Ecology and Evolutionary Biology, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, USA; 2Department of Ecology and Evolution, University of Kansas, 1200 Sunnyside Avenue, Lawrence, KS 66045, USA; and 3Department of Biology, Box 90338, Duke University, Durham, NC 27708, USA
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16
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Incorporation of aurochs into a cattle herd in Neolithic Europe: single event or breeding? Sci Rep 2014; 4:5798. [PMID: 25052335 PMCID: PMC4107343 DOI: 10.1038/srep05798] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 07/04/2014] [Indexed: 12/02/2022] Open
Abstract
Domestication is an ongoing process continuously changing the lives of animals and humans and the environment. For the majority of European cattle (Bos taurus) genetic and archaeozoological evidence support initial domestication ca. 11'000 BP in the Near East from few founder aurochs (Bos primigenius) belonging to the mitochondrial DNA T macro-haplogroup. Gene flow between wild European aurochs of P haplogroup and domestic cattle of T haplogroup, coexisting over thousands of years, appears to have been sporadic. We report archaeozoological and ancient DNA evidence for the incorporation of wild stock into a domestic cattle herd from a Neolithic lake-dwelling in Switzerland. A complete metacarpus of a small and compact adult bovid is morphologically and genetically a female. With withers height of ca. 112 cm, it is comparable in size with small domestic cattle from contemporaneous sites in the area. The bone is directly dated to 3360–3090 cal BC and associated to the Horgen culture, a period of the secondary products revolution. The cow possessed a novel mtDNA P haplotype variant of the European aurochs. We argue this is either a single event or, based on osteological characteristics of the Horgen cattle, a rare instance of intentional breeding with female aurochs.
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17
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Ludwig A, Lieckfeldt D, Hesse UGW, Froelich K. Tracing the maternal roots of the domestic Red Mountain Cattle. Mitochondrial DNA A DNA Mapp Seq Anal 2014; 27:1080-3. [PMID: 24971777 DOI: 10.3109/19401736.2014.928875] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The Red Mountain Cattle (RHV) is an important native ancient breed from the lower mountain ranges of Central Europe, which was originally raised for milk and meat production and as draught animal. In the 1980s, the RHV was close to extinction and only the sperm of a single purebreed bull and a few cows were available for breed formation. In this study the mitogenomes were sequenced of RHV from six maternal founder lineages. We observed six novel mitogenomes which have not been found in any other cattle breed so far. The RHV mitogenomes are grouped phylogenetically in the T-haplogroup indicating a South European origin and supporting their primitive position within the taurine breeds.
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Affiliation(s)
- Arne Ludwig
- a Department of Evolutionary Genetics , Leibniz-Institute for Zoo and Wildlife Research , Berlin , Germany
| | - Dietmar Lieckfeldt
- a Department of Evolutionary Genetics , Leibniz-Institute for Zoo and Wildlife Research , Berlin , Germany
| | - Uwe G W Hesse
- b Arche-Hof Rengershausen, Hombergstrasse , Frankenberg , Germany , and
| | - Kai Froelich
- c Tierpark Arche Warder, Zentrum für alte Haus- und Nutztierrassen e.V., Langwedeler Weg , Warder , Germany
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18
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Morphological and genetic evidence for early Holocene cattle management in northeastern China. Nat Commun 2014; 4:2755. [PMID: 24202175 DOI: 10.1038/ncomms3755] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2013] [Accepted: 10/14/2013] [Indexed: 11/08/2022] Open
Abstract
The domestication of cattle is generally accepted to have taken place in two independent centres: around 10,500 years ago in the Near East, giving rise to modern taurine cattle, and two millennia later in southern Asia, giving rise to zebu cattle. Here we provide firmly dated morphological and genetic evidence for early Holocene management of taurine cattle in northeastern China. We describe conjoining mandibles from this region that show evidence of oral stereotypy, dated to the early Holocene by two independent ¹⁴C dates. Using Illumina high-throughput sequencing coupled with DNA hybridization capture, we characterize 15,406 bp of the mitogenome with on average 16.7-fold coverage. Phylogenetic analyses reveal a hitherto unknown mitochondrial haplogroup that falls outside the known taurine diversity. Our data suggest that the first attempts to manage cattle in northern China predate the introduction of domestic cattle that gave rise to the current stock by several thousand years.
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19
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Schubert M, Ermini L, Der Sarkissian C, Jónsson H, Ginolhac A, Schaefer R, Martin MD, Fernández R, Kircher M, McCue M, Willerslev E, Orlando L. Characterization of ancient and modern genomes by SNP detection and phylogenomic and metagenomic analysis using PALEOMIX. Nat Protoc 2014; 9:1056-82. [PMID: 24722405 DOI: 10.1038/nprot.2014.063] [Citation(s) in RCA: 260] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Next-generation sequencing technologies have revolutionized the field of paleogenomics, allowing the reconstruction of complete ancient genomes and their comparison with modern references. However, this requires the processing of vast amounts of data and involves a large number of steps that use a variety of computational tools. Here we present PALEOMIX (http://geogenetics.ku.dk/publications/paleomix), a flexible and user-friendly pipeline applicable to both modern and ancient genomes, which largely automates the in silico analyses behind whole-genome resequencing. Starting with next-generation sequencing reads, PALEOMIX carries out adapter removal, mapping against reference genomes, PCR duplicate removal, characterization of and compensation for postmortem damage, SNP calling and maximum-likelihood phylogenomic inference, and it profiles the metagenomic contents of the samples. As such, PALEOMIX allows for a series of potential applications in paleogenomics, comparative genomics and metagenomics. Applying the PALEOMIX pipeline to the three ancient and seven modern Phytophthora infestans genomes as described here takes 5 d using a 16-core server.
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Affiliation(s)
- Mikkel Schubert
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Luca Ermini
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Clio Der Sarkissian
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Hákon Jónsson
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Aurélien Ginolhac
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Robert Schaefer
- Biomedical Informatics and Computational Biology Graduate Program, University of Minnesota Rochester, Rochester, Minnesota, USA
| | - Michael D Martin
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Ruth Fernández
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Martin Kircher
- Department of Genome Sciences, University of Washington, Seattle, Washington, USA
| | - Molly McCue
- College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota, USA
| | - Eske Willerslev
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Ludovic Orlando
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
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20
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Wang GD, Xie HB, Peng MS, Irwin D, Zhang YP. Domestication Genomics: Evidence from Animals. Annu Rev Anim Biosci 2014; 2:65-84. [DOI: 10.1146/annurev-animal-022513-114129] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Guo-Dong Wang
- State Key Laboratory of Genetic Resources and Evolution and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China;
| | - Hai-Bing Xie
- State Key Laboratory of Genetic Resources and Evolution and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China;
| | - Min-Sheng Peng
- State Key Laboratory of Genetic Resources and Evolution and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China;
| | - David Irwin
- State Key Laboratory of Genetic Resources and Evolution and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China;
| | - Ya-Ping Zhang
- State Key Laboratory of Genetic Resources and Evolution and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China;
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21
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Paijmans JL, Gilbert MTP, Hofreiter M. Mitogenomic analyses from ancient DNA. Mol Phylogenet Evol 2013; 69:404-16. [DOI: 10.1016/j.ympev.2012.06.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2011] [Revised: 05/27/2012] [Accepted: 06/04/2012] [Indexed: 10/28/2022]
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22
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Complete mitochondrial genome of wild aurochs (Bos primigenius) reconstructed from ancient DNA. Pol J Vet Sci 2013; 16:265-73. [PMID: 23971194 DOI: 10.2478/pjvs-2013-0037] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Extinct aurochs (Bos primigenius), accepted as the ancestor of domestic cattle, was one of the largest wild animals inhabiting Europe, Asia and North Africa. The gradual process of aurochs extinction finished in Poland in 1627, were the last recorded aurochs, a female, died. Some aspects of cattle domestication history and the distribution of aurochs genetic material among modern cattle breeds still remain unclear. Analyses of ancient DNA (aDNA) from bone sample deliver new genetic information about extinct wild aurochs as well as modern cattle phylogeny. DNA was extracted from a fragment of aurochs fossil bone found in the Pisz Forest, Poland. The sample was radiocarbon-dated to about 1500 yBP. The aDNA was used for Whole Genome Amplification in order to form a DNA bank. Auroch mitochondrial DNA sequences were amplified using sets of 41 primers overlapping the whole mtDNA, cloned and sequenced. The sequence of the whole mitochondrial genome was reconstructed and deposed in GenBank [GenBank:JQ437479]. Based on the phylogenetic analyses of the Bovine mitochondrial genomes, a phylogenetic tree was created. As expected, the tree clearly shows that the mtDNA sequence of the analyzed PWA (Polish Wild Aurochs) individual belongs to haplogroup P. In the course of the comparative mtDNA analysis we identified 30 nucleotide marker positions for haplogroup P and nine unique PWA differences compared to the two remaining haplotype P representatives. Our analysis provides the next step to the reconstruction of the demographic history of this extinct but still exciting species.
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23
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Speller CF, Burley DV, Woodward RP, Yang DY. Ancient mtDNA analysis of early 16(th) century Caribbean cattle provides insight into founding populations of New World creole cattle breeds. PLoS One 2013; 8:e69584. [PMID: 23894505 PMCID: PMC3722109 DOI: 10.1371/journal.pone.0069584] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2013] [Accepted: 06/12/2013] [Indexed: 11/29/2022] Open
Abstract
The Columbian Exchange resulted in a widespread movement of humans, plants and animals between the Old and New Worlds. The late 15th to early 16th century transfer of cattle from the Iberian Peninsula and Canary Islands to the Caribbean laid the foundation for the development of American creole cattle (Bos taurus) breeds. Genetic analyses of modern cattle from the Americas reveal a mixed ancestry of European, African and Indian origins. Recent debate in the genetic literature centers on the ‘African’ haplogroup T1 and its subhaplogroups, alternatively tying their origins to the initial Spanish herds, and/or from subsequent movements of taurine cattle through the African slave trade. We examine this problem through ancient DNA analysis of early 16th century cattle bone from Sevilla la Nueva, the first Spanish colony in Jamaica. In spite of poor DNA preservation, both T3 and T1 haplogroups were identified in the cattle remains, confirming the presence of T1 in the earliest Spanish herds. The absence, however, of “African-derived American” haplotypes (AA/T1c1a1) in the Sevilla la Nueva sample, leaves open the origins of this sub-haplogroup in contemporary Caribbean cattle.
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Affiliation(s)
- Camilla F. Speller
- Department of Archaeology, University of York, York, United Kingdom
- Department of Archaeology, Simon Fraser University, Burnaby, British Columbia, Canada
- * E-mail: (CS); (DB)
| | - David V. Burley
- Department of Archaeology, Simon Fraser University, Burnaby, British Columbia, Canada
- * E-mail: (CS); (DB)
| | - Robyn P. Woodward
- Department of Archaeology, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Dongya Y. Yang
- Department of Archaeology, Simon Fraser University, Burnaby, British Columbia, Canada
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24
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Ludwig A, Alderson L, Fandrey E, Lieckfeldt D, Soederlund TK, Froelich K. Tracing the genetic roots of the indigenous White Park Cattle. Anim Genet 2013; 44:383-6. [PMID: 23350719 DOI: 10.1111/age.12026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/17/2012] [Indexed: 11/30/2022]
Abstract
The White Park Cattle (WPC) is an indigenous ancient breed from the British Isles which has a long-standing history in heroic sagas and documents. The WPC has retained many primitive traits, especially in their grazing behaviour and preferences. Altogether, the aura of this breed has led to much speculation surrounding its origin. In this study, we sequenced the mitogenomes from 27 WPC and three intronic fragments of genes from the Y chromosome of three bulls. We observed six novel mitogenomic lineages that have not been found in any other cattle breed so far. We found no evidence that the WPC is a descendant of a particular North or West European branch of aurochs. The WPC mitogenomes are grouped in the T3 cluster together with most other domestic breeds. Nevertheless, both molecular markers support the primitive position of the WPC within the taurine breeds.
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Affiliation(s)
- A Ludwig
- Department of Evolutionary Genetics, Leibniz-Institute for Zoo and Wildlife Research, 10324 Berlin, Germany.
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Rizzi E, Lari M, Gigli E, De Bellis G, Caramelli D. Ancient DNA studies: new perspectives on old samples. Genet Sel Evol 2012; 44:21. [PMID: 22697611 PMCID: PMC3390907 DOI: 10.1186/1297-9686-44-21] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Accepted: 06/14/2012] [Indexed: 11/24/2022] Open
Abstract
In spite of past controversies, the field of ancient DNA is now a reliable research area due to recent methodological improvements. A series of recent large-scale studies have revealed the true potential of ancient DNA samples to study the processes of evolution and to test models and assumptions commonly used to reconstruct patterns of evolution and to analyze population genetics and palaeoecological changes. Recent advances in DNA technologies, such as next-generation sequencing make it possible to recover DNA information from archaeological and paleontological remains allowing us to go back in time and study the genetic relationships between extinct organisms and their contemporary relatives. With the next-generation sequencing methodologies, DNA sequences can be retrieved even from samples (for example human remains) for which the technical pitfalls of classical methodologies required stringent criteria to guaranty the reliability of the results. In this paper, we review the methodologies applied to ancient DNA analysis and the perspectives that next-generation sequencing applications provide in this field.
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Affiliation(s)
- Ermanno Rizzi
- Institute for Biomedical Technologies, National Research Council, Via F.lli Cervi 93, Segrate, Milan 20090, Italy
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Bonfiglio S, Ginja C, De Gaetano A, Achilli A, Olivieri A, Colli L, Tesfaye K, Agha SH, Gama LT, Cattonaro F, Penedo MCT, Ajmone-Marsan P, Torroni A, Ferretti L. Origin and spread of Bos taurus: new clues from mitochondrial genomes belonging to haplogroup T1. PLoS One 2012; 7:e38601. [PMID: 22685589 PMCID: PMC3369859 DOI: 10.1371/journal.pone.0038601] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2012] [Accepted: 05/11/2012] [Indexed: 11/24/2022] Open
Abstract
Background Most genetic studies on modern cattle have established a common origin for all taurine breeds in the Near East, during the Neolithic transition about 10 thousand years (ka) ago. Yet, the possibility of independent and/or secondary domestication events is still debated and is fostered by the finding of rare mitochondrial DNA (mtDNA) haplogroups like P, Q and R. Haplogroup T1, because of its geographic distribution, has been the subject of several investigations pointing to a possible independent domestication event in Africa and suggesting a genetic contribution of African cattle to the formation of Iberian and Creole cattle. Whole mitochondrial genome sequence analysis, with its proven effectiveness in improving the resolution of phylogeographic studies, is the most appropriate tool to investigate the origin and structure of haplogroup T1. Methodology A survey of >2200 bovine mtDNA control regions representing 28 breeds (15 European, 10 African, 3 American) identified 281 subjects belonging to haplogroup T1. Fifty-four were selected for whole mtDNA genome sequencing, and combined with ten T1 complete sequences from previous studies into the most detailed T1 phylogenetic tree available to date. Conclusions Phylogenetic analysis of the 64 T1 mitochondrial complete genomes revealed six distinct sub-haplogroups (T1a–T1f). Our data support the overall scenario of a Near Eastern origin of the T1 sub-haplogroups from as much as eight founding T1 haplotypes. However, the possibility that one sub-haplogroup (T1d) arose in North Africa, in domesticated stocks, shortly after their arrival from the Near East, can not be ruled out. Finally, the previously identified “African-derived American" (AA) haplotype turned out to be a sub-clade of T1c (T1c1a1). This haplotype was found here for the first time in Africa (Egypt), indicating that it probably originated in North Africa, reached the Iberian Peninsula and sailed to America, with the first European settlers.
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Affiliation(s)
- Silvia Bonfiglio
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Catarina Ginja
- Molecular Biology Group, Instituto Nacional de Recursos Biológicos, INIA, and Faculty of Sciences, Environmental Biology Centre, University of Lisbon, Lisbon, Portugal
| | - Anna De Gaetano
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Alessandro Achilli
- Dipartimento di Biologia Cellulare e Ambientale, Università di Perugia, Perugia, Italy
| | - Anna Olivieri
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Licia Colli
- Centro di Ricerca sulla Biodiversità e sul DNA Antico – BioDNA and Istituto di Zootecnica, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Kassahun Tesfaye
- Microbial, Cellular and Molecular Biology Program Unit, Faculty of Life Sciences, University of Addis Ababa, Addis Ababa, Ethiopia
| | - Saif Hassan Agha
- Department of Animal Production, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
| | - Luis T. Gama
- Faculdade de Medicina Veterinária, Universidade Técnica de Lisboa, Lisbon, Portugal
| | | | - M. Cecilia T Penedo
- Veterinary Genetics Laboratory, University of California Davis, Davis, California, United States of America
| | - Paolo Ajmone-Marsan
- Centro di Ricerca sulla Biodiversità e sul DNA Antico – BioDNA and Istituto di Zootecnica, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Antonio Torroni
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani", Università di Pavia, Pavia, Italy
| | - Luca Ferretti
- Dipartimento di Biologia e Biotecnologie “L. Spallanzani", Università di Pavia, Pavia, Italy
- * E-mail:
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Phylogenetic position of a copper age sheep (Ovis aries) mitochondrial DNA. PLoS One 2012; 7:e33792. [PMID: 22457789 PMCID: PMC3311544 DOI: 10.1371/journal.pone.0033792] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2011] [Accepted: 02/17/2012] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Sheep (Ovis aries) were domesticated in the Fertile Crescent region about 9,000-8,000 years ago. Currently, few mitochondrial (mt) DNA studies are available on archaeological sheep. In particular, no data on archaeological European sheep are available. METHODOLOGY/PRINCIPAL FINDINGS Here we describe the first portion of mtDNA sequence of a Copper Age European sheep. DNA was extracted from hair shafts which were part of the clothes of the so-called Tyrolean Iceman or Ötzi (5,350-5,100 years before present). Mitochondrial DNA (a total of 2,429 base pairs, encompassing a portion of the control region, tRNA(Phe), a portion of the 12S rRNA gene, and the whole cytochrome B gene) was sequenced using a mixed sequencing procedure based on PCR amplification and 454 sequencing of pooled amplification products. We have compared the sequence with the corresponding sequence of 334 extant lineages. CONCLUSIONS/SIGNIFICANCE A phylogenetic network based on a new cladistic notation for the mitochondrial diversity of domestic sheep shows that the Ötzi's sheep falls within haplogroup B, thus demonstrating that sheep belonging to this haplogroup were already present in the Alps more than 5,000 years ago. On the other hand, the lineage of the Ötzi's sheep is defined by two transitions (16147, and 16440) which, assembled together, define a motif that has not yet been identified in modern sheep populations.
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Perego UA, Achilli A, Ekins JE, Milani L, Lari M, Pilli E, Brown A, Price EP, Wolken SR, Matthews M, Allen CA, Pearson TR, Angerhofer N, Caramelli D, Kupferschmid T, Keim PS, Woodward SR. The Mountain Meadows Massacre and "poisoned springs": scientific testing of the more recent, anthrax theory. Int J Legal Med 2012; 127:77-83. [PMID: 22395921 PMCID: PMC3538018 DOI: 10.1007/s00414-012-0681-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Accepted: 02/14/2012] [Indexed: 10/29/2022]
Abstract
It has been recorded that one of the possible causes that eventually escalated into the 1857 manslaughter at Mountain Meadows in Southern Utah was the poisoning of an open spring by the Fancher-Baker party as they crossed the Utah territory on their way from Arkansas to California. Historical accounts report that a number of cattle died, followed by human casualties from those that came in contact with the dead animals. Even after the Arkansas party departed, animals continued to perish and people were still afflicted by some unknown plague. Proctor Hancock Robison, a local 14-year-old boy, died shortly after skinning one of the "poisoned" cows. A careful review of the historical records, along with the more recent scientific literature, seems to exclude the likelihood of actual poisoning in favor of a more recent theory that would point to the bacterium Bacillus anthracis as the possible cause of human and animal deaths. In order to test this hypothesis, Proctor's remains were exhumed, identified through mitochondrial DNA analysis, and tested for the presence of anthrax spores. Although preliminary testing of remains and soil was negative, description of the clinical conditions that affected Proctor and other individuals does not completely rule out the hypothesis of death by anthrax.
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Affiliation(s)
- Ugo A Perego
- Sorenson Molecular Genealogy Foundation, Salt Lake City, UT 84115, USA.
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Gravlund P, Aaris-Sørensen K, Hofreiter M, Meyer M, Bollback JP, Noe-Nygaard N. Ancient DNA extracted from Danish aurochs (Bos primigenius): genetic diversity and preservation. Ann Anat 2011; 194:103-11. [PMID: 22188739 DOI: 10.1016/j.aanat.2011.10.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2011] [Revised: 10/11/2011] [Accepted: 10/14/2011] [Indexed: 10/15/2022]
Abstract
We extracted DNA from 39 Danish aurochs specimens and successfully amplified and sequenced a 252 base pair long fragment of the multivariable region I of the mitochondrial control region from 11 specimens. The sequences from these specimens dated back to 9830-2865 14Cyr BP and represent the first study of genetic variation of Danish aurochs. In addition, for all specimens we address correlations between the ability to obtain DNA sequences and various parameters such as the age of the sample, the collagen content, the museum storage period, Danish geography and whether the specimens were found in an archeological or geological context. We find that aurochs from southern Scandinavia display a star-shaped population genetic structure, that is indicative of a local and relatively recent diversification from a few ancestral haplotypes that may have originated in the ancestral Western European population before migration northwards during the retreat of the glaciers. Scenarios suggesting several invasions of genetically distinct aurochs are not supported by these analyses. Rather, our results suggest that a single continuous migration northward occurred. Our findings also suggest, although with only limited support, that aurochs in Northwestern Europe underwent a population expansion beginning shortly after the retreat of the glacial ice from Denmark and had a stable population size until the population decline that must have occurred prior to extinction. The absence of haplotypes similar to modern domestic cattle in our aurochs suggests that introgression between these species must have been limited, if it occurred at all. We found that the successful recovery of genetic material for PCR amplification correlates with sample age and local geographic conditions. However, contrary to other studies, we found no significant correlation between length of time in museum storage or the type of the locality in which a specimen was discovered (archeological or geological) and amplification success. Finally, we found large variances in our estimates of collagen content preventing an evaluation of this as an indicator of preservation quality.
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Affiliation(s)
- Peter Gravlund
- The Natural History Museum of Denmark, University of Copenhagen, Denmark.
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Miller JM, Malenfant RM, Moore SS, Coltman DW. Short reads, circular genome: skimming solid sequence to construct the bighorn sheep mitochondrial genome. ACTA ACUST UNITED AC 2011; 103:140-6. [PMID: 21948953 DOI: 10.1093/jhered/esr104] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
As sequencing technology improves, an increasing number of projects aim to generate full genome sequence, even for nonmodel taxa. These projects may be feasibly conducted at lower read depths if the alignment can be aided by previously developed genomic resources from a closely related species. We investigated the feasibility of constructing a complete mitochondrial (mt) genome without preamplification or other targeting of the sequence. Here we present a full mt genome sequence (16,463 nucleotides) for the bighorn sheep (Ovis canadensis) generated though alignment of SOLiD short-read sequences to a reference genome. Average read depth was 1240, and each base was covered by at least 36 reads. We then conducted a phylogenomic analysis with 27 other bovid mitogenomes, which placed bighorn sheep firmly in the Ovis clade. These results show that it is possible to generate a complete mitogenome by skimming a low-coverage genomic sequencing library. This technique will become increasingly applicable as the number of taxa with some level of genome sequence rises.
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Affiliation(s)
- Joshua M Miller
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada.
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