51
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Lobo F, Barrasso DA, Hibbard T, Quipildor M, Slodki D, Valdecantos S, Basso NG. Morphological and Genetic Divergence within the Phymaturus payuniae Clade (Iguania: Liolaemidae), with the Description of Two New Species. SOUTH AMERICAN JOURNAL OF HERPETOLOGY 2021. [DOI: 10.2994/sajh-d-18-00082.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Fernando Lobo
- División Herpetología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia,” Consejo Nacional de Investigaciones Científicas y Técnicas, Avenida Ángel Gallardo 470, C1405DJR Buenos Aires, Argentina
| | - Diego A. Barrasso
- Instituto de Diversidad y Evolución Austral, Consejo Nacional de Investigaciones Científicas y Técnicas, Blvd. Brown 2915, U9120ACD, Puerto Madryn, Chubut, Argentina
| | - Thomas Hibbard
- Instituto de Bio y Geociencias del NOA, Consejo Nacional de Investigaciones Científicas y Técnicas–Universidad Nacional de Salta, Avenida 9 de Julio 14, 4405, Rosario de Lerma, Salta, Argentina
| | - Matías Quipildor
- Instituto de Bio y Geociencias del NOA, Consejo Nacional de Investigaciones Científicas y Técnicas–Universidad Nacional de Salta, Avenida 9 de Julio 14, 4405, Rosario de Lerma, Salta, Argentina
| | - Demian Slodki
- Instituto de Bio y Geociencias del NOA, Consejo Nacional de Investigaciones Científicas y Técnicas–Universidad Nacional de Salta, Avenida 9 de Julio 14, 4405, Rosario de Lerma, Salta, Argentina
| | - Soledad Valdecantos
- Instituto de Bio y Geociencias del NOA, Consejo Nacional de Investigaciones Científicas y Técnicas–Universidad Nacional de Salta, Avenida 9 de Julio 14, 4405, Rosario de Lerma, Salta, Argentina
| | - Néstor G. Basso
- Instituto de Diversidad y Evolución Austral, Consejo Nacional de Investigaciones Científicas y Técnicas, Blvd. Brown 2915, U9120ACD, Puerto Madryn, Chubut, Argentina
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52
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Gompper ME. Adding Nuance to Our Understanding of Dog-Wildlife Interactions and the Need for Management. Integr Comp Biol 2021; 61:93-102. [PMID: 33963410 DOI: 10.1093/icb/icab049] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The interactions of dogs and wildlife are receiving increasing attention across the globe. Evidence suggests that dogs can negatively affect wildlife in a variety of ways, including through the risk of predation, by hybridizing with other Canis species, by acting as a reservoir or vector of pathogens, and by competing with wildlife for resources. A multitude of observations and case studies for each of these interactions has led to calls to prioritize increased management of dogs, for instance, through population reduction, vaccination, movement restrictions, and enhanced care of the dogs themselves. Here, I argue that while the risks that dogs present to wildlife are real, they vary in their importance across the globe. Furthermore, often the approaches used to address these risks are championed without a full understanding of the likelihood of success given the necessary spatial scale of management, the availability of alternative management approaches, and the role dogs play in societies. For instance, culling, vaccination, and animal husbandry approaches in reducing the impacts of dogs on wildlife sometimes fail to recognize that local human populations actively recruit replacement dogs, that vaccination often fails to reach levels necessary for herd immunity, and that enhanced dog husbandry may have indirect impacts on wildlife by requiring environmentally impactful activities. I suggest there is a need for attention not only to identify the impacts of dogs but also to determine where and when such interactions with wildlife are problematic and the likelihood of success for any proposed management approach. The impacts of dogs should be mediated in a context-specific manner that accounts for factors such as the local density of dogs, the susceptibility of local wildlife populations to the risks that dog populations may represent, and the local societal norms that underpin how dogs might be managed.
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Affiliation(s)
- Matthew E Gompper
- Department of Fish, Wildlife and Conservation Ecology, New Mexico State University, Las Cruces, NM 88003, USA
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53
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Bell RB, Bradley BJ, Kamilar JM. The Evolutionary Ecology of Primate Hair Coloration: A Phylogenetic Approach. J MAMM EVOL 2021. [DOI: 10.1007/s10914-021-09547-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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54
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Decoding the Evolution of Melanin in Vertebrates. Trends Ecol Evol 2021; 36:430-443. [DOI: 10.1016/j.tree.2020.12.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 12/18/2020] [Accepted: 12/23/2020] [Indexed: 02/08/2023]
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55
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Wang MS, Wang S, Li Y, Jhala Y, Thakur M, Otecko NO, Si JF, Chen HM, Shapiro B, Nielsen R, Zhang YP, Wu DD. Ancient Hybridization with an Unknown Population Facilitated High-Altitude Adaptation of Canids. Mol Biol Evol 2021; 37:2616-2629. [PMID: 32384152 DOI: 10.1093/molbev/msaa113] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Genetic introgression not only provides material for adaptive evolution but also confounds our understanding of evolutionary history. This is particularly true for canids, a species complex in which genome sequencing and analysis has revealed a complex history of admixture and introgression. Here, we sequence 19 new whole genomes from high-altitude Tibetan and Himalayan wolves and dogs and combine these into a larger data set of 166 whole canid genomes. Using these data, we explore the evolutionary history and adaptation of these and other canid lineages. We find that Tibetan and Himalayan wolves are closely related to each other, and that ∼39% of their nuclear genome is derived from an as-yet-unrecognized wolf-like lineage that is deeply diverged from living Holarctic wolves and dogs. The EPAS1 haplotype, which is present at high frequencies in Tibetan dog breeds and wolves and confers an adaptive advantage to animals living at high altitudes, was probably derived from this ancient lineage. Our study underscores the complexity of canid evolution and demonstrates how admixture and introgression can shape the evolutionary trajectories of species.
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Affiliation(s)
- Ming-Shan Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China.,Howard Hughes Medical Institute, University of California Santa Cruz, Santa Cruz, CA.,Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Sheng Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - Yan Li
- State Key Laboratory for Conservation and Utilization of Bio-Resource, Yunnan University, Kunming, China
| | | | - Mukesh Thakur
- Zoological Survey of India, New Alipore, Kolkata, West Bengal, India
| | - Newton O Otecko
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, China
| | - Jing-Fang Si
- Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture of China, National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Hong-Man Chen
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
| | - Beth Shapiro
- Howard Hughes Medical Institute, University of California Santa Cruz, Santa Cruz, CA.,Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Rasmus Nielsen
- Departments of Integrative Biology and Statistics, University of California Berkeley, Berkeley, CA.,Globe Institute, University of Copenhagen, Copenhagen, Denmark
| | - Ya-Ping Zhang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,State Key Laboratory for Conservation and Utilization of Bio-Resource, Yunnan University, Kunming, China.,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China
| | - Dong-Dong Wu
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China.,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China
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56
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Senczuk G, Gramolini L, Avella I, Mori E, Menchetti M, Aloise G, Castiglia R. No association between candidate genes for color determination and color phenotype in
Hierophis viridiflavus,
and characterization of a contact zone. J ZOOL SYST EVOL RES 2021. [DOI: 10.1111/jzs.12451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gabriele Senczuk
- Dipartimento di Agricoltura, Ambiente e Alimenti University of Molise Campobasso Italy
- Dipartimento di Biologia e Biotecnologie “Charles Darwin” Università “La Sapienza” Roma Rome Italy
| | - Laura Gramolini
- Dipartimento di Biologia e Biotecnologie “Charles Darwin” Università “La Sapienza” Roma Rome Italy
- Institut für Biologie Humboldt‐Universität zu Berlin Berlin Germany
| | - Ignazio Avella
- Dipartimento di Biologia e Biotecnologie “Charles Darwin” Università “La Sapienza” Roma Rome Italy
- CIBIO/InBIO ‐ Centro de Investigação em Biodiversidade e Recursos Genéticos da Universidade do Porto Vairão Portugal
| | - Emiliano Mori
- Istituto di Ricerca sugli Ecosistemi Terrestri Consiglio Nazionale delle Ricerche Sesto Fiorentino Italy
| | | | - Gaetano Aloise
- Museo di Storia Naturale della Calabria e Orto Botanico Università della Calabria Rende Italy
| | - Riccardo Castiglia
- Dipartimento di Biologia e Biotecnologie “Charles Darwin” Università “La Sapienza” Roma Rome Italy
- Museo di Anatomia Comparata “Battista Grassi” Università “La Sapienza” Roma Rome Italy
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57
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Caeiro-Dias G, Brelsford A, Kaliontzopoulou A, Meneses-Ribeiro M, Crochet PA, Pinho C. Variable levels of introgression between the endangered Podarcis carbonelli and highly divergent congeneric species. Heredity (Edinb) 2021; 126:463-476. [PMID: 33199832 PMCID: PMC8027454 DOI: 10.1038/s41437-020-00386-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 11/08/2022] Open
Abstract
Recent empirical studies have demonstrated that speciation with gene flow is more common than previously thought. From a conservation perspective, the potential negative effects of hybridization raise concerns on the genetic integrity of endangered species. However, introgressive hybridization has also been growingly recognized as a source of diversity and new advantageous alleles. Carbonell's wall lizard (Podarcis carbonelli) is an endangered species whose distribution overlaps with four other congeneric species. Our goal here was to determine whether P. carbonelli is completely reproductively isolated from its congeners and to evaluate the relevance of hybridization and interspecific gene flow for developing a conservation plan. We used restriction site associated DNA (RAD) sequencing to discover SNPs in samples from four contact zones between P. carbonelli and four other species. Principal component analysis, multilocus genotype assignment and interspecific heterozygosity suggest incomplete reproductive isolation and ongoing gene flow between species. However, hybridization dynamics vary across all pairs, suggesting complex interactions between multiple intrinsic and extrinsic barriers. Despite seemingly ubiquitous interspecific gene flow, we found evidence of strong reproductive isolation across most contact zones. Instead, indirect effects of hybridization like waste of reproductive effort in small isolated populations may be more problematic. Our results highlight the need to further evaluate the consequences of introgression for P. carbonelli, both on a geographic and genomic level and included in a comprehensive and urgently needed conservation plan. Besides, those findings will add important insights on the potential effects of hybridization and introgression for endangered species.
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Affiliation(s)
- Guilherme Caeiro-Dias
- Centro de Investigação em Biodiversidade e Recursos Genéticos, CIBIO/InBIO, Universidade do Porto, Vairão, Portugal.
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal.
- CEFE, CNRS, Université de Montpellier, EPHE, IRD, Université Paul Valéry Montpellier 3, Montpellier, France.
| | - Alan Brelsford
- Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
- Biology Department, University of California Riverside, Riverside, CA, USA
| | - Antigoni Kaliontzopoulou
- Centro de Investigação em Biodiversidade e Recursos Genéticos, CIBIO/InBIO, Universidade do Porto, Vairão, Portugal
| | - Mariana Meneses-Ribeiro
- Centro de Investigação em Biodiversidade e Recursos Genéticos, CIBIO/InBIO, Universidade do Porto, Vairão, Portugal
| | - Pierre-André Crochet
- CEFE, CNRS, Université de Montpellier, EPHE, IRD, Université Paul Valéry Montpellier 3, Montpellier, France
| | - Catarina Pinho
- Centro de Investigação em Biodiversidade e Recursos Genéticos, CIBIO/InBIO, Universidade do Porto, Vairão, Portugal
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58
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Smeds L, Aspi J, Berglund J, Kojola I, Tirronen K, Ellegren H. Whole-genome analyses provide no evidence for dog introgression in Fennoscandian wolf populations. Evol Appl 2021; 14:721-734. [PMID: 33767747 PMCID: PMC7980305 DOI: 10.1111/eva.13151] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 10/09/2020] [Accepted: 10/11/2020] [Indexed: 01/02/2023] Open
Abstract
Hybridization and admixture can threaten the genetic integrity of populations and be of particular concern to endangered species. Hybridization between grey wolves and dogs has been documented in many wolf populations worldwide and is a prominent example of human-mediated hybridization between a domesticated species and its wild relative. We analysed whole-genome sequences from >200 wolves and >100 dogs to study admixture in Fennoscandian wolf populations. A principal component analysis of genetic variation and admixture showed that wolves and dogs were well-separated, without evidence for introgression. Analyses of local ancestry revealed that wolves had <1% mixed ancestry, levels comparable to the degree of mixed ancestry in many dogs, and likely not resulting from recent wolf-dog hybridization. We also show that the founders of the Scandinavian wolf population were genetically inseparable from Finnish and Russian Karelian wolves, pointing at the geographical origin of contemporary Scandinavian wolves. Moreover, we found Scandinavian-born animals among wolves sampled in Finland, demonstrating bidirectional gene flow between the Scandinavian Peninsula and eastern countries. The low incidence of admixture between wolves and dogs in Fennoscandia may be explained by the fact that feral dogs are rare in this part of Europe and that careful monitoring and management act to remove hybrids before they backcross into wolf populations.
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Affiliation(s)
- Linnéa Smeds
- Department of Ecology and GeneticsUppsala UniversityUppsalaSweden
| | - Jouni Aspi
- Department of Ecology and GeneticsUniversity of OuluOuluFinland
| | - Jonas Berglund
- Department of Ecology and GeneticsUppsala UniversityUppsalaSweden
| | - Ilpo Kojola
- Natural Resources Institute Finland (Luke)RovaniemiFinland
| | - Konstantin Tirronen
- Institute of BiologyKarelian Research Centre of the Russian Academy of SciencePetrozavodskRussian Federation
| | - Hans Ellegren
- Department of Ecology and GeneticsUppsala UniversityUppsalaSweden
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59
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Cairns KM, Newman KD, Crowther MS, Letnic M. Pelage variation in dingoes across southeastern Australia: implications for conservation and management. J Zool (1987) 2021. [DOI: 10.1111/jzo.12875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- K. M. Cairns
- Centre for Ecosystem Science School of Biological, Earth and Environmental Sciences University of New South Wales Sydney NSW Australia
- Evolution and Ecology Research Centre School of Biological, Earth and Environmental Sciences University of New South Wales Sydney NSW Australia
| | - K. D. Newman
- School of Biosciences University of Melbourne Parkville VIC Australia
| | - M. S. Crowther
- School of Life and Environmental Sciences University of Sydney Sydney NSW Australia
| | - M. Letnic
- Centre for Ecosystem Science School of Biological, Earth and Environmental Sciences University of New South Wales Sydney NSW Australia
- Evolution and Ecology Research Centre School of Biological, Earth and Environmental Sciences University of New South Wales Sydney NSW Australia
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60
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Patterns and processes of pathogen exposure in gray wolves across North America. Sci Rep 2021; 11:3722. [PMID: 33580121 PMCID: PMC7881161 DOI: 10.1038/s41598-021-81192-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/29/2020] [Indexed: 01/30/2023] Open
Abstract
The presence of many pathogens varies in a predictable manner with latitude, with infections decreasing from the equator towards the poles. We investigated the geographic trends of pathogens infecting a widely distributed carnivore: the gray wolf (Canis lupus). Specifically, we investigated which variables best explain and predict geographic trends in seroprevalence across North American wolf populations and the implications of the underlying mechanisms. We compiled a large serological dataset of nearly 2000 wolves from 17 study areas, spanning 80° longitude and 50° latitude. Generalized linear mixed models were constructed to predict the probability of seropositivity of four important pathogens: canine adenovirus, herpesvirus, parvovirus, and distemper virus-and two parasites: Neospora caninum and Toxoplasma gondii. Canine adenovirus and herpesvirus were the most widely distributed pathogens, whereas N. caninum was relatively uncommon. Canine parvovirus and distemper had high annual variation, with western populations experiencing more frequent outbreaks than eastern populations. Seroprevalence of all infections increased as wolves aged, and denser wolf populations had a greater risk of exposure. Probability of exposure was positively correlated with human density, suggesting that dogs and synanthropic animals may be important pathogen reservoirs. Pathogen exposure did not appear to follow a latitudinal gradient, with the exception of N. caninum. Instead, clustered study areas were more similar: wolves from the Great Lakes region had lower odds of exposure to the viruses, but higher odds of exposure to N. caninum and T. gondii; the opposite was true for wolves from the central Rocky Mountains. Overall, mechanistic predictors were more informative of seroprevalence trends than latitude and longitude. Individual host characteristics as well as inherent features of ecosystems determined pathogen exposure risk on a large scale. This work emphasizes the importance of biogeographic wildlife surveillance, and we expound upon avenues of future research of cross-species transmission, spillover, and spatial variation in pathogen infection.
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61
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Perri AR, Mitchell KJ, Mouton A, Álvarez-Carretero S, Hulme-Beaman A, Haile J, Jamieson A, Meachen J, Lin AT, Schubert BW, Ameen C, Antipina EE, Bover P, Brace S, Carmagnini A, Carøe C, Samaniego Castruita JA, Chatters JC, Dobney K, Dos Reis M, Evin A, Gaubert P, Gopalakrishnan S, Gower G, Heiniger H, Helgen KM, Kapp J, Kosintsev PA, Linderholm A, Ozga AT, Presslee S, Salis AT, Saremi NF, Shew C, Skerry K, Taranenko DE, Thompson M, Sablin MV, Kuzmin YV, Collins MJ, Sinding MHS, Gilbert MTP, Stone AC, Shapiro B, Van Valkenburgh B, Wayne RK, Larson G, Cooper A, Frantz LAF. Dire wolves were the last of an ancient New World canid lineage. Nature 2021; 591:87-91. [PMID: 33442059 DOI: 10.1038/s41586-020-03082-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 11/12/2020] [Indexed: 11/09/2022]
Abstract
Dire wolves are considered to be one of the most common and widespread large carnivores in Pleistocene America1, yet relatively little is known about their evolution or extinction. Here, to reconstruct the evolutionary history of dire wolves, we sequenced five genomes from sub-fossil remains dating from 13,000 to more than 50,000 years ago. Our results indicate that although they were similar morphologically to the extant grey wolf, dire wolves were a highly divergent lineage that split from living canids around 5.7 million years ago. In contrast to numerous examples of hybridization across Canidae2,3, there is no evidence for gene flow between dire wolves and either North American grey wolves or coyotes. This suggests that dire wolves evolved in isolation from the Pleistocene ancestors of these species. Our results also support an early New World origin of dire wolves, while the ancestors of grey wolves, coyotes and dholes evolved in Eurasia and colonized North America only relatively recently.
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Affiliation(s)
- Angela R Perri
- Department of Archaeology, Durham University, Durham, UK.
| | - Kieren J Mitchell
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia.
| | - Alice Mouton
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | | | - Ardern Hulme-Beaman
- Department of Archaeology, Classics and Egyptology, University of Liverpool, Liverpool, UK.,School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, UK
| | - James Haile
- The Palaeogenomics & Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, The University of Oxford, Oxford, UK
| | - Alexandra Jamieson
- The Palaeogenomics & Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, The University of Oxford, Oxford, UK
| | - Julie Meachen
- Department of Anatomy, Des Moines University, Des Moines, IA, USA
| | - Audrey T Lin
- The Palaeogenomics & Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, The University of Oxford, Oxford, UK.,Department of Zoology, University of Oxford, Oxford, UK.,Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA
| | - Blaine W Schubert
- Center of Excellence in Paleontology & Department of Geosciences, East Tennessee State University, Johnson City, TN, USA
| | - Carly Ameen
- Department of Archaeology, University of Exeter, Exeter, UK
| | | | - Pere Bover
- ARAID Foundation, Instituto Universitario de Investigación en Ciencias Ambientales (IUCA) - Aragosaurus Group, Universidad de Zaragoza, Zaragoza, Spain
| | - Selina Brace
- Department of Earth Sciences, Natural History Museum, London, UK
| | - Alberto Carmagnini
- School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
| | - Christian Carøe
- Section for Evolutionary Genomics, The GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Keith Dobney
- Department of Archaeology, Classics and Egyptology, University of Liverpool, Liverpool, UK.,Department of Archaeology, University of Sydney, Sydney, New South Wales, Australia.,Department of Archaeology, University of Aberdeen, Aberdeen, UK.,Department of Archaeology, Simon Fraser University, Burnaby, Canada
| | - Mario Dos Reis
- School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
| | - Allowen Evin
- Institut des Sciences de l'Evolution - Montpellier, CNRS, Université de Montpellier, IRD, EPHE, Montpellier, France
| | - Philippe Gaubert
- Laboratoire Evolution & Diversité Biologique, UPS/CNRS/IRD, Université Paul Sabatier, Toulouse, France
| | - Shyam Gopalakrishnan
- Section for Evolutionary Genomics, The GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
| | - Graham Gower
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Holly Heiniger
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Kristofer M Helgen
- Australian Museum Research Institute, Australian Museum, Sydney, New South Wales, Australia
| | - Josh Kapp
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Pavel A Kosintsev
- Institute of Plant and Animal Ecology, Urals Branch of the Russian Academy of Sciences, Yekaterinburg, Russia.,Ural Federal University, Yekaterinburg, Russia
| | - Anna Linderholm
- The Palaeogenomics & Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, The University of Oxford, Oxford, UK.,Department of Anthropology, Texas A&M University, College Station, TX, USA
| | - Andrew T Ozga
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA.,School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA.,Halmos College of Arts and Sciences, Nova Southeastern University, Fort Lauderdale, FL, USA
| | | | - Alexander T Salis
- Australian Centre for Ancient DNA, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Nedda F Saremi
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Colin Shew
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Katherine Skerry
- School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA
| | - Dmitry E Taranenko
- Institute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
| | - Mary Thompson
- Idaho Museum of Natural History, Idaho State University, Pocatello, ID, USA
| | - Mikhail V Sablin
- Zoological Institute of the Russian Academy of Sciences, St Petersburg, Russia
| | - Yaroslav V Kuzmin
- Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia.,Tomsk State University, Tomsk, Russia
| | - Matthew J Collins
- Section for Evolutionary Genomics, The GLOBE Institute, University of Copenhagen, Copenhagen, Denmark.,McDonald Institute for Archaeological Research, University of Cambridge, Cambridge, UK
| | - Mikkel-Holger S Sinding
- Section for Evolutionary Genomics, The GLOBE Institute, University of Copenhagen, Copenhagen, Denmark.,Greenland Institute of Natural Resources, Nuuk, Greenland
| | - M Thomas P Gilbert
- Section for Evolutionary Genomics, The GLOBE Institute, University of Copenhagen, Copenhagen, Denmark.,NTNU University Museum, Trondheim, Norway
| | - Anne C Stone
- Center for Evolution and Medicine, Arizona State University, Tempe, AZ, USA.,School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA.,Institute of Human Origins, Arizona State University, Tempe, AZ, USA
| | - Beth Shapiro
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA, USA.,Howard Hughes Medical Institute, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Blaire Van Valkenburgh
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Robert K Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Greger Larson
- The Palaeogenomics & Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, The University of Oxford, Oxford, UK
| | - Alan Cooper
- South Australian Museum, Adelaide, South Australia, Australia
| | - Laurent A F Frantz
- School of Biological and Chemical Sciences, Queen Mary University of London, London, UK. .,Palaeogenomics Group, Department of Veterinary Sciences, Ludwig Maximilian University, Munich, Germany.
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62
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Ravagni S, Sanchez-Donoso I, Vilà C. Biased assessment of ongoing admixture using STRUCTURE in the absence of reference samples. Mol Ecol Resour 2020; 21:677-689. [PMID: 33085825 DOI: 10.1111/1755-0998.13286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 10/05/2020] [Accepted: 10/09/2020] [Indexed: 11/30/2022]
Abstract
Detection of hybridization and introgression is important in ecological research as in conservation and evolutionary biology. STRUCTURE is one of the most popular software to study introgression and allows estimating what proportion of the genome of each individual belongs to each ancestral population, even in cases where no reference sample from the ancestral nonadmixed populations is previously identified. In spite of its frequent use, some studies have indicated that ancestry estimates may not always be reliable. We simulated population data under different conditions with regard to the genetic differentiation between ancestral populations, number of loci considered, number of alleles per marker and hybridization rate, and analysed data with STRUCTURE. When reference samples were not included, the comparison of the known degree of admixture for each simulated individual and the value estimated with STRUCTURE revealed a strong underestimation of the level of introgression, classifying many admixed individuals as nonadmixed. This derives from an inaccurate estimation of the ancestral allele frequencies. When samples from the nonadmixed ancestral population were included as reference in the analyses, the bias in the estimations was reduced. The most accurate estimates were obtained when potentially admixed samples were few in relation to reference samples. Thus, whenever possible, a very large proportion of nonadmixed reference samples should be included in admixture assessments and different approaches should be combined. The misestimate of the amount of introgression can impair our understanding of the evolutionary history of species and misguide conservation efforts.
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Affiliation(s)
- Sara Ravagni
- Conservation and Evolutionary Genetics Group, Doñana Biological Station (EBD-CSIC), Seville, Spain
| | - Ines Sanchez-Donoso
- Conservation and Evolutionary Genetics Group, Doñana Biological Station (EBD-CSIC), Seville, Spain
| | - Carles Vilà
- Conservation and Evolutionary Genetics Group, Doñana Biological Station (EBD-CSIC), Seville, Spain
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63
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Abstract
The diversity of mammalian coat colors, and their potential adaptive significance, have long fascinated scientists as well as the general public. The recent decades have seen substantial improvement in our understanding of their genetic bases and evolutionary relevance, revealing novel insights into the complex interplay of forces that influence these phenotypes. At the same time, many aspects remain poorly known, hampering a comprehensive understanding of these phenomena. Here we review the current state of this field and indicate topics that should be the focus of additional research. We devote particular attention to two aspects of mammalian pigmentation, melanism and pattern formation, highlighting recent advances and outstanding challenges, and proposing novel syntheses of available information. For both specific areas, and for pigmentation in general, we attempt to lay out recommendations for establishing novel model systems and integrated research programs that target the genetics and evolution of these phenotypes throughout the Mammalia.
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Affiliation(s)
- Eduardo Eizirik
- Laboratory of Genomics and Molecular Biology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Rio Grande do Sul 90619-900, Brazil;
| | - Fernanda J Trindade
- Laboratory of Genomics and Molecular Biology, School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Rio Grande do Sul 90619-900, Brazil;
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64
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Affiliation(s)
- Pavlos Pavlidis
- Foundation for Research and Technology Hellas, Institute of Computer Science, 70013 Heraklion, Greece
| | - Mehmet Somel
- Middle East Technical University, 06800 Ankara, Turkey
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65
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Wu MY, Low GW, Forcina G, van Grouw H, Lee BPYH, Oh RRY, Rheindt FE. Historic and modern genomes unveil a domestic introgression gradient in a wild red junglefowl population. Evol Appl 2020; 13:2300-2315. [PMID: 33005225 PMCID: PMC7513718 DOI: 10.1111/eva.13023] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 04/27/2020] [Accepted: 04/29/2020] [Indexed: 01/08/2023] Open
Abstract
The red junglefowl Gallus gallus is the ancestor of the domestic chicken and arguably the most important bird species on Earth. Continual gene flow between domestic and wild populations has compromised its gene pool, especially since the last century when human encroachment and habitat loss would have led to increased contact opportunities. We present the first combined genomic and morphological admixture assessment of a native population of red junglefowl, sampled from recolonized parts of its former range in Singapore, partly using whole genomes resequenced from dozens of individuals. Crucially, this population was genomically anchored to museum samples from adjacent Peninsular Malaysia collected ~110-150 years ago to infer the magnitude of modern domestic introgression across individuals. We detected a strong feral-wild genomic continuum with varying levels of domestic introgression in different subpopulations across Singapore. Using a trait scoring scheme, we determined morphological thresholds that can be used by conservation managers to successfully identify individuals with low levels of domestic introgression, and selected traits that were particularly useful for predicting domesticity in genomic profiles. Our study underscores the utility of combined genomic and morphological approaches in population management and suggests a way forward to safeguard the allelic integrity of wild red junglefowl in perpetuity.
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Affiliation(s)
- Meng Yue Wu
- Department of Biological Sciences National University of Singapore Singapore Singapore
| | - Gabriel Weijie Low
- Department of Biological Sciences National University of Singapore Singapore Singapore
- School of Biological Sciences Monash University Clayton Victoria Australia
| | - Giovanni Forcina
- Department of Biological Sciences National University of Singapore Singapore Singapore
- CIBIO/InBIO Centro de Investigação em Biodiversidade e Recursos Genéticos Universidade do Porto Vairão Portugal
| | - Hein van Grouw
- Bird Group Department of Life Sciences Natural History Museum Herts UK
| | - Benjamin P Y-H Lee
- Wildlife Management Research Wildlife Management Division National Parks Board Singapore Singapore
| | - Rachel Rui Ying Oh
- Centre of Urban Greenery and Ecology National Parks Board Singapore Singapore
- School of Biological Sciences Centre for Biodiversity and Conservation Sciences University of Queensland Brisbane Queensland Australia
| | - Frank E Rheindt
- Department of Biological Sciences National University of Singapore Singapore Singapore
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66
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Population genetics of the African wolf (Canis lupaster) across its range: first evidence of hybridization with domestic dogs in Africa. Mamm Biol 2020. [DOI: 10.1007/s42991-020-00059-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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67
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Abstract
The domestic dog, as a highly successful domestication model, is well known as a favored human companion. Exploring its domestication history should provide great insight into our understanding of the prehistoric development of human culture and productivity. Furthermore, investigation on the mechanisms underpinning the morphological and behavioral traits associated with canid domestication syndrome is of significance not only for scientific study but also for human medical research. Current development of a multidisciplinary canine genome database, which includes enormous omics data, has substantially improved our understanding of the genetic makeup of dogs. Here, we reviewed recent advances associated with the original history and genetic basis underlying environmental adaptations and phenotypic diversities in domestic dogs, which should provide perspectives on improving the communicative relationship between dogs and humans.
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Affiliation(s)
- Zhe Zhang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, School of Life Sciences, Yunnan University, Kunming, Yunnan 650091, China
| | - Saber Khederzadeh
- State Key Laboratory of Genetic Resources and Evolution, Germplasm Bank of Wild Species, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, Yunnan 650204, China
| | - Yan Li
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, School of Life Sciences, Yunnan University, Kunming, Yunnan 650091, China. E-mail:
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68
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Ravinet M, Kume M, Ishikawa A, Kitano J. Patterns of genomic divergence and introgression between Japanese stickleback species with overlapping breeding habitats. J Evol Biol 2020; 34:114-127. [PMID: 32557887 DOI: 10.1111/jeb.13664] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 05/29/2020] [Accepted: 06/05/2020] [Indexed: 11/26/2022]
Abstract
With only a few absolute geographic barriers in marine environments, the factors maintaining reproductive isolation among marine organisms remain elusive. However, spatial structuring in breeding habitat can contribute to reproductive isolation. This is particularly important for marine organisms that migrate to use fresh- or brackish water environments to breed. The Japanese Gasterosteus stickleback species, the Pacific Ocean three-spined stickleback (G. aculeatus) and the Japan Sea stickleback (G. nipponicus) overwinter in the sea, but migrate to rivers for spawning. Although they co-occur at several locations across the Japanese islands, they are reproductively isolated. Our previous studies in Bekanbeushi River showed that the Japan Sea stickleback spawns in the estuary, while the Pacific Ocean stickleback mainly spawns further upstream in freshwater. Overall genomic divergence was very high with many interspersed regions of introgression. Here, we investigated genomic divergence and introgression between the sympatric species in the much shorter Tokotan River, where they share spawning sites. The levels of genome-wide divergence were reduced and introgression was increased, suggesting that habitat isolation substantially contributes to a reduction in gene flow. We also found that genomic regions of introgression were largely shared between the two systems. Furthermore, some regions of introgression were located near loci with a heterozygote advantage for juvenile survival. Taken together, introgression may be partially driven by adaptation in this system. Although, the two species remain clearly genetically differentiated. Regions with low recombination rates showed especially low introgression. Speciation reversal is therefore likely prevented by barriers other than habitat isolation.
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Affiliation(s)
- Mark Ravinet
- School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Manabu Kume
- Kyoto University Field Science Education and Research Center, Kyoto, Japan
| | - Asano Ishikawa
- Ecological Genetics Laboratory, National Institute of Genetics, Mishima, Japan
| | - Jun Kitano
- Ecological Genetics Laboratory, National Institute of Genetics, Mishima, Japan
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69
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An Agouti-Signaling-Protein Mutation is Strongly Associated with Melanism in European Roe Deer ( Capreolus capreolus). Genes (Basel) 2020; 11:genes11060647. [PMID: 32545389 PMCID: PMC7349051 DOI: 10.3390/genes11060647] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/05/2020] [Accepted: 06/08/2020] [Indexed: 11/17/2022] Open
Abstract
Although the European roe deer (Capreolus capreolus) population of North-West Germany has a remarkable number of melanistic specimens between 10% and 25%, the underlying genetic mutation-causing melanism is still unknown. We used a gene targeting approach focusing on MC1R and ASIP as important genes of coat coloration. Overall, 1384 bp of MC1R and 2039 bp of ASIP were sequenced in 24 specimens and several SNPs were detected. But only the ASIP-SNP c.33G>T completely segregated both phenotypes leading to the amino acid substitution p.Leu11Phe. The SNP was further evaluated in additional 471 samples. Generally, all black specimens (n = 33) were homozygous TT, whereas chestnut individuals were either homozygote GG (n = 436) or heterozygote GT (n = 26). Considering the fact that all melanistic animals shared two mutated alleles of the strongly associated SNP, we concluded that melanism is inherited in a recessive mode in European roe deer.
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70
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Berger J, Wangchuk T, Briceño C, Vila A, Lambert JE. Disassembled Food Webs and Messy Projections: Modern Ungulate Communities in the Face of Unabating Human Population Growth. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.00128] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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71
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Schweizer RM, Wayne RK. Illuminating the mysteries of wolf history. Mol Ecol 2020; 29:1589-1591. [PMID: 32286714 DOI: 10.1111/mec.15438] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/12/2020] [Accepted: 03/26/2020] [Indexed: 11/29/2022]
Abstract
One of the most enduring surprises about the genetic history of Late Pleistocene populations is that continuity is often disturbed by upheaval. In fact, studies that support population continuity are increasingly rare in humans, a variety of vertebrate taxa, and vascular plants (Hofreiter & Stewart 2009; Burbrink et al. 2016). Perhaps such continuity should not be expected as the Pleistocene is marked by episodes of climate change, glaciation and the invasions of humans into previously isolated areas. Although fossils are one of the primary sources for inferring population continuity, a problem with fossil material is that, even if similar morphological forms might exist in a place over time, they may not be from the same genetic lineage. There are now readily available methods to assess genetic continuity solely from DNA found in fossil material, provided the record is fairly continuous. In a From the Cover article in this issue of Molecular Ecology, Loog et al. (2020) apply some of these readily available methods to analyse mitochondrial genomes and model the demography of wolves over the last 50,000 years.
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Affiliation(s)
- Rena M Schweizer
- Division of Biological Sciences, University of Montana, Missoula, MT, USA
| | - Robert K Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
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72
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Orteu A, Jiggins CD. The genomics of coloration provides insights into adaptive evolution. Nat Rev Genet 2020; 21:461-475. [PMID: 32382123 DOI: 10.1038/s41576-020-0234-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2020] [Indexed: 01/31/2023]
Abstract
Coloration is an easily quantifiable visual trait that has proven to be a highly tractable system for genetic analysis and for studying adaptive evolution. The application of genomic approaches to evolutionary studies of coloration is providing new insight into the genetic architectures underlying colour traits, including the importance of large-effect mutations and supergenes, the role of development in shaping genetic variation and the origins of adaptive variation, which often involves adaptive introgression. Improved knowledge of the genetic basis of traits can facilitate field studies of natural selection and sexual selection, making it possible for strong selection and its influence on the genome to be demonstrated in wild populations.
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Affiliation(s)
- Anna Orteu
- Department of Zoology, University of Cambridge, Cambridge, UK.
| | - Chris D Jiggins
- Department of Zoology, University of Cambridge, Cambridge, UK.
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73
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Caro T, Mallarino R. Coloration in Mammals. Trends Ecol Evol 2020; 35:357-366. [PMID: 31980234 PMCID: PMC10754262 DOI: 10.1016/j.tree.2019.12.008] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 12/11/2022]
Abstract
Mammalian colors and color patterns are some of the most diverse and conspicuous traits found in nature and have been widely studied from genetic/developmental and evolutionary perspectives. In this review we first discuss the proximate causes underlying variation in pigment type (i.e., color) and pigment distribution (i.e., color pattern) and highlight both processes as having a distinct developmental basis. Then, using multiple examples, we discuss ultimate factors that have driven the evolution of coloration differences in mammals, which include background matching, intra- and interspecific signaling, and physiological influences. Throughout, we outline bridges between developmental and functional investigatory approaches that help broaden knowledge of mammals' memorable external appearances, and we point out areas for future interdisciplinary research.
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Affiliation(s)
- Tim Caro
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS81TQ, UK; Center for Population Biology, 1 Shields Avenue, University of California, Davis, CA 95616, USA.
| | - Ricardo Mallarino
- Department of Molecular Biology, Princeton University, 119 Lewis Thomas Laboratory, Washington Road, Princeton, NJ 08544, USA
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74
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Abstract
Abstract
The gray wolf and the domestic dog are closely related species that can interbreed and produce fertile offspring. In settings where unrestrained dogs are present in the wild, hybridization can happen naturally. However, the behavior of the resulting hybrids and their ecological impact is largely understudied. In September–November 2018, a putative gray wolf was repeatedly camera-trapped in a group of 10 presumably feral dogs in a remote mountainous area (the Osogovo Mountain) along the border between Bulgaria and North Macedonia. The most feasible explanation for this individual’s atypical behavior is that it is of hybrid origin (assumption based on phenotype). To the best of our knowledge, this is the first documented observation of such a kind. A discussion of its recruitment and position in the group is presented, setting the basis for further investigation of the complex interaction between wolves, dogs and hybrids in the wild.
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75
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Hou Y, Qi F, Bai X, Ren T, Shen X, Chu Q, Zhang X, Lu X. Genome-wide analysis reveals molecular convergence underlying domestication in 7 bird and mammals. BMC Genomics 2020; 21:204. [PMID: 32131728 PMCID: PMC7057487 DOI: 10.1186/s12864-020-6613-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 02/24/2020] [Indexed: 12/19/2022] Open
Abstract
Background In response to ecological niche of domestication, domesticated mammals and birds developed adaptively phenotypic homoplasy in behavior modifications like fearlessness, altered sociability, exploration and cognition, which partly or indirectly result in consequences for economic productivity. Such independent adaptations provide an excellent model to investigate molecular mechanisms and patterns of evolutionary convergence driven by artificial selection. Results First performing population genomic and brain transcriptional comparisons in 68 wild and domesticated chickens, we revealed evolutionary trajectories, genetic architectures and physiologic bases of adaptively behavioral alterations. To extensively decipher molecular convergence on behavioral changes thanks to domestication, we investigated selection signatures in hundreds of genomes and brain transcriptomes across chicken and 6 other domesticated mammals. Although no shared substitution was detected, a common enrichment of the adaptive mutations in regulatory sequences was observed, presenting significance to drive adaptations. Strong convergent pattern emerged at levels of gene, gene family, pathway and network. Genes implicated in neurotransmission, semaphorin, tectonic protein and modules regulating neuroplasticity were central focus of selection, supporting molecular repeatability of homoplastic behavior reshapes. Genes at nodal positions in trans-regulatory networks were preferably targeted. Consistent down-regulation of majority brain genes may be correlated with reduced brain size during domestication. Up-regulation of splicesome genes in chicken rather mammals highlights splicing as an efficient way to evolve since avian-specific genomic contraction of introns and intergenics. Genetic burden of domestication elicits a general hallmark. The commonly selected genes were relatively evolutionary conserved and associated with analogous neuropsychiatric disorders in human, revealing trade-off between adaption to life with human at the cost of neural changes affecting fitness in wild. Conclusions After a comprehensive investigation on genomic diversity and evolutionary trajectories in chickens, we revealed basis, pattern and evolutionary significance of molecular convergence in domesticated bird and mammals, highlighted the genetic basis of a compromise on utmost adaptation to the lives with human at the cost of high risk of neurophysiological changes affecting animals’ fitness in wild.
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Affiliation(s)
- Yali Hou
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China. .,China National Center for Bioinformation, Beijing, People's Republic of China.
| | - Furong Qi
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China.,China National Center for Bioinformation, Beijing, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xue Bai
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China.,China National Center for Bioinformation, Beijing, People's Republic of China
| | - Tong Ren
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Xu Shen
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Qin Chu
- Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing, People's Republic of China
| | - Xiquan Zhang
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, and Key Lab of Chicken Genetics, Breeding and Reproduction, Ministry of Agriculture, South China Agricultural University, Guangzhou, People's Republic of China.
| | - Xuemei Lu
- Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, People's Republic of China. .,University of Chinese Academy of Sciences, Beijing, People's Republic of China. .,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, People's Republic of China.
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76
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Intrinsic Ball Retrieving in Wolf Puppies Suggests Standing Ancestral Variation for Human-Directed Play Behavior. iScience 2020; 23:100811. [PMID: 31956066 PMCID: PMC7033638 DOI: 10.1016/j.isci.2019.100811] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 12/04/2019] [Accepted: 12/24/2019] [Indexed: 11/23/2022] Open
Abstract
Domestication dramatically alters phenotypes across animal species. Standing variation among ancestral populations often drives phenotypic change during domestication, but some changes are caused by novel mutations. In dogs (Canis familiaris) specifically, it has been suggested that the ability to interpret social-communicative behavior expressed by humans originated post-domestication and this behavior is thus not expected to occur in wolves (Canis lupus). Here we report the observation of three 8-week-old wolf puppies spontaneously responding to social-communicative behaviors from an unfamiliar person by retrieving a ball. This behavioral expression in wolves has significant implications for our understanding and expectations of the genetic foundations of dog behavior. Importantly, our observations indicate that behavioral responses to human social-communicative cues are not unique to dogs. This suggests that, although probably rare, standing variation in the expression of human-directed behavior in ancestral populations could have been an important target for early selective pressures exerted during dog domestication. Dogs, unlike wolves, are suggested to have the ability to interpret human cues Yet, untrained wolf puppies will spontaneously retrieve a ball based on human cues Standing variation for human-directed behavior in ancestral wolf populations Human-directed behavior important during early selection in dog domestication
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77
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Caniglia R, Galaverni M, Velli E, Mattucci F, Canu A, Apollonio M, Mucci N, Scandura M, Fabbri E. A standardized approach to empirically define reliable assignment thresholds and appropriate management categories in deeply introgressed populations. Sci Rep 2020; 10:2862. [PMID: 32071323 PMCID: PMC7028925 DOI: 10.1038/s41598-020-59521-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 01/28/2020] [Indexed: 11/09/2022] Open
Abstract
Anthropogenic hybridization is recognized as a major threat to the long-term survival of natural populations. While identifying F1 hybrids might be simple, the detection of older admixed individuals is far from trivial and it is still debated whether they should be targets of management. Examples of anthropogenic hybridization have been described between wolves and domestic dogs, with numerous cases detected in the Italian wolf population. After selecting appropriate wild and domestic reference populations, we used empirical and simulated 39-autosomal microsatellite genotypes, Bayesian assignment and performance analyses to develop a workflow to detect different levels of wolf x dog admixture. Membership proportions to the wild cluster (qiw) and performance indexes identified two q-thresholds which allowed to efficiently classify the analysed genotypes into three assignment classes: pure (with no or negligible domestic ancestry), older admixed (with a marginal domestic ancestry) and recent admixed (with a clearly detectable domestic ancestry) animals. Based on their potential to spread domestic variants, such classes were used to define three corresponding management categories: operational pure, introgressed and operational hybrid individuals. Our multiple-criteria approach can help wildlife managers and decision makers in more efficiently targeting the available resources for the long-term conservation of species threatened by anthropogenic hybridization.
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Affiliation(s)
- Romolo Caniglia
- Unit for Conservation Genetics (BIO-CGE), Italian Institute for Environmental Protection and Research (ISPRA), Ozzano dell' Emilia, Bologna, Italy.
| | | | - Edoardo Velli
- Unit for Conservation Genetics (BIO-CGE), Italian Institute for Environmental Protection and Research (ISPRA), Ozzano dell' Emilia, Bologna, Italy
| | - Federica Mattucci
- Unit for Conservation Genetics (BIO-CGE), Italian Institute for Environmental Protection and Research (ISPRA), Ozzano dell' Emilia, Bologna, Italy
| | - Antonio Canu
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Marco Apollonio
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Nadia Mucci
- Unit for Conservation Genetics (BIO-CGE), Italian Institute for Environmental Protection and Research (ISPRA), Ozzano dell' Emilia, Bologna, Italy
| | - Massimo Scandura
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Elena Fabbri
- Unit for Conservation Genetics (BIO-CGE), Italian Institute for Environmental Protection and Research (ISPRA), Ozzano dell' Emilia, Bologna, Italy
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78
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Lawal RA, Martin SH, Vanmechelen K, Vereijken A, Silva P, Al-Atiyat RM, Aljumaah RS, Mwacharo JM, Wu DD, Zhang YP, Hocking PM, Smith J, Wragg D, Hanotte O. The wild species genome ancestry of domestic chickens. BMC Biol 2020; 18:13. [PMID: 32050971 PMCID: PMC7014787 DOI: 10.1186/s12915-020-0738-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 01/08/2020] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Hybridisation and introgression play key roles in the evolutionary history of animal species. They are commonly observed within several orders in wild birds. The domestic chicken Gallus gallus domesticus is the most common livestock species. More than 65 billion chickens are raised annually to produce meat and 80 million metric tons of egg for global human consumption by the commercial sector. Unravelling the origin of its genetic diversity has major application for sustainable breeding improvement programmes. RESULTS In this study, we report genome-wide analyses for signatures of introgression between indigenous domestic village chicken and the four wild Gallus species. We first assess the genome-wide phylogeny and divergence time across the genus Gallus. Genome-wide sequence divergence analysis supports a sister relationship between the Grey junglefowl G. sonneratii and Ceylon junglefowl G. lafayettii. Both species form a clade that is sister to the Red junglefowl G. gallus, with the Green junglefowl G. varius the most ancient lineage within the genus. We reveal extensive bidirectional introgression between the Grey junglefowl and the domestic chicken and to a much lesser extent with the Ceylon junglefowl. We identify a single case of Green junglefowl introgression. These introgressed regions include genes with biological functions related to development and immune system. CONCLUSIONS Our study shows that while the Red junglefowl is the main ancestral species, introgressive hybridisation episodes have impacted the genome and contributed to the diversity of the domestic chicken, although likely at different levels across its geographic range.
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Affiliation(s)
- Raman Akinyanju Lawal
- Cells, Organisms and Molecular Genetics, School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK.
- Present Address: The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA.
| | - Simon H Martin
- Present Address: Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, EH9 3FL, UK
- Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
| | - Koen Vanmechelen
- Open University of Diversity - Mouth Foundation, Hasselt, Belgium
| | - Addie Vereijken
- Technology and Service B.V., Hendrix Genetics, P.O. Box 114, 5830 AC, Boxmeer, The Netherlands
| | - Pradeepa Silva
- Department of Animal Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, Sri Lanka
| | - Raed Mahmoud Al-Atiyat
- Genetics and Biotechnology, Animal Science Department, Agriculture Faculty, Mutah University, Karak, Jordan
| | | | - Joram M Mwacharo
- Small Ruminant Genomics, International Centre for Agricultural Research in the Dry Areas (ICARDA), P.O. Box 5689, ILRI-Ethiopia Campus, Addis Ababa, Ethiopia
| | - Dong-Dong Wu
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650223, China
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - Ya-Ping Zhang
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650223, China
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - Paul M Hocking
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
| | - Jacqueline Smith
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
| | - David Wragg
- Centre for Tropical Livestock Genetics and Health, The Roslin Institute, Edinburgh, EH25 9RG, UK
| | - Olivier Hanotte
- Cells, Organisms and Molecular Genetics, School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK.
- Centre for Tropical Livestock Genetics and Health, The Roslin Institute, Edinburgh, EH25 9RG, UK.
- LiveGene, International Livestock Research Institute (ILRI), P. O. 5689, Addis Ababa, Ethiopia.
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79
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vonHoldt BM, DeCandia AL, Heppenheimer E, Janowitz-Koch I, Shi R, Zhou H, German CA, Brzeski KE, Cassidy KA, Stahler DR, Sinsheimer JS. Heritability of interpack aggression in a wild pedigreed population of North American grey wolves. Mol Ecol 2020; 29:1764-1775. [PMID: 31905256 DOI: 10.1111/mec.15349] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 12/24/2022]
Abstract
Aggression is a quantitative trait deeply entwined with individual fitness. Mapping the genomic architecture underlying such traits is complicated by complex inheritance patterns, social structure, pedigree information and gene pleiotropy. Here, we leveraged the pedigree of a reintroduced population of grey wolves (Canis lupus) in Yellowstone National Park, Wyoming, USA, to examine the heritability of and the genetic variation associated with aggression. Since their reintroduction, many ecological and behavioural aspects have been documented, providing unmatched records of aggressive behaviour across multiple generations of a wild population of wolves. Using a linear mixed model, a robust genetic relationship matrix, 12,288 single nucleotide polymorphisms (SNPs) and 111 wolves, we estimated the SNP-based heritability of aggression to be 37% and an additional 14% of the phenotypic variation explained by shared environmental exposures. We identified 598 SNP genotypes from 425 grey wolves to resolve a consensus pedigree that was included in a heritability analysis of 141 individuals with SNP genotype, metadata and aggression data. The pedigree-based heritability estimate for aggression is 14%, and an additional 16% of the phenotypic variation was explained by shared environmental exposures. We find strong effects of breeding status and relative pack size on aggression. Through an integrative approach, these results provide a framework for understanding the genetic architecture of a complex trait that influences individual fitness, with linkages to reproduction, in a social carnivore. Along with a few other studies, we show here the incredible utility of a pedigreed natural population for dissecting a complex, fitness-related behavioural trait.
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Affiliation(s)
| | | | | | | | - Ruoyao Shi
- BioKnow Health Informatics Lab, College of Life Sciences, Jilin University, Changchun, China
| | - Hua Zhou
- Department of Biostatistics, UCLA Fielding School of Public Health, University of California, Los Angeles, CA, USA
| | - Christopher A German
- Department of Biostatistics, UCLA Fielding School of Public Health, University of California, Los Angeles, CA, USA
| | - Kristin E Brzeski
- College of Forest Resources and Environmental Science, Michigan Technological University, Houghton, MI, USA
| | - Kira A Cassidy
- Yellowstone Center for Resources, National Park Service, Yellowstone National Park, WY, USA
| | - Daniel R Stahler
- Yellowstone Center for Resources, National Park Service, Yellowstone National Park, WY, USA
| | - Janet S Sinsheimer
- Department of Biostatistics, UCLA Fielding School of Public Health, University of California, Los Angeles, CA, USA.,Department of Human Genetics and Computational Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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80
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Weich K, Affolter V, York D, Rebhun R, Grahn R, Kallenberg A, Bannasch D. Pigment Intensity in Dogs is Associated with a Copy Number Variant Upstream of KITLG. Genes (Basel) 2020; 11:genes11010075. [PMID: 31936656 PMCID: PMC7017362 DOI: 10.3390/genes11010075] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/06/2020] [Accepted: 01/08/2020] [Indexed: 01/14/2023] Open
Abstract
Dogs exhibit a wide variety of coat color types, and many genes have been identified that control pigment production, appearance, and distribution. Some breeds, such as the Nova Scotia Duck Tolling Retriever (NSDTR), exhibit variation in pheomelanin pigment intensity that is not explained by known genetic variants. A genome-wide association study comparing light red to dark red in the NSDTR identified a significantly associated region on canine chromosome 15 (CFA 15:23 Mb–38 Mb). Coverage analysis of whole genome sequence data from eight dogs identified a 6 kb copy number variant (CNV) 152 kb upstream of KITLG. Genotyping with digital droplet PCR (ddPCR) confirmed a significant association between an increased copy number with the dark-red coat color in NSDTR (p = 6.1 × 10−7). The copy number of the CNV was also significantly associated with coat color variation in both eumelanin and pheomelanin-based Poodles (p = 1.5 × 10−8, 4.0 × 10−9) and across other breeds. Moreover, the copy number correlated with pigment intensity along the hair shaft in both pheomelanin and eumelanin coats. KITLG plays an important role in melanogenesis, and variants upstream of KITLG have been associated with coat color variation in mice as well as hair color in humans consistent with its role in the domestic dog.
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Affiliation(s)
- Kalie Weich
- Department of Population Health and Reproduction, University of California-Davis, Davis, CA 95616, USA;
| | - Verena Affolter
- Department of Pathology, Microbiology, and Immunology, University of California-Davis, Davis, CA 95616, USA;
| | - Daniel York
- Department of Surgical and Radiological Sciences, University of California-Davis, Davis, CA 95616, USA; (D.Y.); (R.R.)
| | - Robert Rebhun
- Department of Surgical and Radiological Sciences, University of California-Davis, Davis, CA 95616, USA; (D.Y.); (R.R.)
| | - Robert Grahn
- Veterinary Genetics Laboratory, University of California-Davis, Davis, CA 95616, USA; (R.G.); (A.K.)
| | - Angelica Kallenberg
- Veterinary Genetics Laboratory, University of California-Davis, Davis, CA 95616, USA; (R.G.); (A.K.)
| | - Danika Bannasch
- Department of Population Health and Reproduction, University of California-Davis, Davis, CA 95616, USA;
- Correspondence: ; Tel.: +1-530-754-8728
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81
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Gering E, Incorvaia D, Henriksen R, Conner J, Getty T, Wright D. Getting Back to Nature: Feralization in Animals and Plants. Trends Ecol Evol 2019; 34:1137-1151. [PMID: 31488326 PMCID: PMC7479514 DOI: 10.1016/j.tree.2019.07.018] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 07/23/2019] [Accepted: 07/25/2019] [Indexed: 11/24/2022]
Abstract
Formerly domesticated organisms and artificially selected genes often escape controlled cultivation, but their subsequent evolution is not well studied. In this review, we examine plant and animal feralization through an evolutionary lens, including how natural selection, artificial selection, and gene flow shape feral genomes, traits, and fitness. Available evidence shows that feralization is not a mere reversal of domestication. Instead, it is shaped by the varied and complex histories of feral populations, and by novel selection pressures. To stimulate further insight we outline several future directions. These include testing how 'domestication genes' act in wild settings, studying the brains and behaviors of feral animals, and comparative analyses of feral populations and taxa. This work offers feasible and exciting research opportunities with both theoretical and practical applications.
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Affiliation(s)
- Eben Gering
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior Program, Michigan State University, East Lansing, MI, USA; Department of Biological Sciences, Halmos College of Natural Sciences and Oceanography, Nova Southeastern University, Davie, FL, USA.
| | - Darren Incorvaia
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior Program, Michigan State University, East Lansing, MI, USA
| | - Rie Henriksen
- IIFM Biology and AVIAN Behavioural Genomics and Physiology Group, Linköping University, Linköping, Sweden
| | - Jeffrey Conner
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior Program, Michigan State University, East Lansing, MI, USA; Kellogg Biological Station and Dept. of Plant Biology, Michigan State University, Hickory Corners, MI, USA
| | - Thomas Getty
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior Program, Michigan State University, East Lansing, MI, USA
| | - Dominic Wright
- IIFM Biology and AVIAN Behavioural Genomics and Physiology Group, Linköping University, Linköping, Sweden
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82
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Ulbing CKS, Muuse JM, Miner BE. Melanism protects alpine zooplankton from DNA damage caused by ultraviolet radiation. Proc Biol Sci 2019; 286:20192075. [PMID: 31690236 DOI: 10.1098/rspb.2019.2075] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Melanism is widely observed among animals, and is adaptive in various contexts for its thermoregulatory, camouflaging, mate-attraction or photoprotective properties. Many organisms exposed to ultraviolet radiation show increased fitness resulting from melanin pigmentation; this has been assumed to result in part from reduced UV-induced damage to DNA. However, to effectively test the hypothesis that melanin pigmentation reduces UV-induced DNA damage requires quantification of UV-specific DNA damage lesions following UV exposure under controlled conditions using individuals that vary in pigmentation intensity. We accomplished this using alpine genotypes of the freshwater microcrustacean Daphnia melanica, for which we quantified cyclobutane pyrimide dimers in DNA, a damage structure that can only be generated by UV exposure. For genotypes with carapace melanin pigmentation, we found that individuals with greater melanin content sustained lower levels of UV-induced DNA damage. Individuals with more melanin were also more likely to survive exposure to ecologically relevant levels of UV-B radiation. Parallel experiments with conspecific genotypes that lack carapace melanin pigmentation provide additional support for our conclusion that melanism protects individuals from UV-induced DNA damage. Finally, within-genotype comparisons with asexually produced clonal siblings demonstrate that melanin content influences DNA damage even among genetically identical individuals raised in the same environment.
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Affiliation(s)
- Cynthia K S Ulbing
- Department of Biology, Ithaca College, 953 Danby Rd., Ithaca, NY 14850, USA
| | - Julia M Muuse
- Department of Biology, Ithaca College, 953 Danby Rd., Ithaca, NY 14850, USA
| | - Brooks E Miner
- Department of Biology, Ithaca College, 953 Danby Rd., Ithaca, NY 14850, USA
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83
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Cairns KM, Nesbitt BJ, Laffan SW, Letnic M, Crowther MS. Geographic hot spots of dingo genetic ancestry in southeastern Australia despite hybridisation with domestic dogs. CONSERV GENET 2019. [DOI: 10.1007/s10592-019-01230-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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84
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Smukowski Heil CS, Large CRL, Patterson K, Hickey ASM, Yeh CLC, Dunham MJ. Temperature preference can bias parental genome retention during hybrid evolution. PLoS Genet 2019; 15:e1008383. [PMID: 31525194 PMCID: PMC6762194 DOI: 10.1371/journal.pgen.1008383] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 09/26/2019] [Accepted: 08/22/2019] [Indexed: 11/18/2022] Open
Abstract
Interspecific hybridization can introduce genetic variation that aids in adaptation to new or changing environments. Here, we investigate how hybrid adaptation to temperature and nutrient limitation may alter parental genome representation over time. We evolved Saccharomyces cerevisiae x Saccharomyces uvarum hybrids in nutrient-limited continuous culture at 15°C for 200 generations. In comparison to previous evolution experiments at 30°C, we identified a number of responses only observed in the colder temperature regime, including the loss of the S. cerevisiae allele in favor of the cryotolerant S. uvarum allele for several portions of the hybrid genome. In particular, we discovered a genotype by environment interaction in the form of a loss of heterozygosity event on chromosome XIII; which species' haplotype is lost or maintained is dependent on the parental species' temperature preference and the temperature at which the hybrid was evolved. We show that a large contribution to this directionality is due to a temperature dependent fitness benefit at a single locus, the high affinity phosphate transporter gene PHO84. This work helps shape our understanding of what forces impact genome evolution after hybridization, and how environmental conditions may promote or disfavor the persistence of hybrids over time.
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Affiliation(s)
- Caiti S. Smukowski Heil
- Genome Sciences Department, University of Washington, Seattle, Washington, United States of America
| | - Christopher R. L. Large
- Genome Sciences Department, University of Washington, Seattle, Washington, United States of America
| | - Kira Patterson
- Genome Sciences Department, University of Washington, Seattle, Washington, United States of America
| | - Angela Shang-Mei Hickey
- Genome Sciences Department, University of Washington, Seattle, Washington, United States of America
| | - Chiann-Ling C. Yeh
- Genome Sciences Department, University of Washington, Seattle, Washington, United States of America
| | - Maitreya J. Dunham
- Genome Sciences Department, University of Washington, Seattle, Washington, United States of America
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85
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Gering E, Incorvaia D, Henriksen R, Wright D, Getty T. Maladaptation in feral and domesticated animals. Evol Appl 2019; 12:1274-1286. [PMID: 31417614 PMCID: PMC6691326 DOI: 10.1111/eva.12784] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/10/2019] [Accepted: 02/07/2019] [Indexed: 12/14/2022] Open
Abstract
Selection regimes and population structures can be powerfully changed by domestication and feralization, and these changes can modulate animal fitness in both captive and natural environments. In this review, we synthesize recent studies of these two processes and consider their impacts on organismal and population fitness. Domestication and feralization offer multiple windows into the forms and mechanisms of maladaptation. Firstly, domestic and feral organisms that exhibit suboptimal traits or fitness allow us to identify their underlying causes within tractable research systems. This has facilitated significant progress in our general understandings of genotype-phenotype relationships, fitness trade-offs, and the roles of population structure and artificial selection in shaping domestic and formerly domestic organisms. Additionally, feralization of artificially selected gene variants and organisms can reveal or produce maladaptation in other inhabitants of an invaded biotic community. In these instances, feral animals often show similar fitness advantages to other invasive species, but they are also unique in their capacities to modify natural ecosystems through introductions of artificially selected traits. We conclude with a brief consideration of how emerging technologies such as genome editing could change the tempos, trajectories, and ecological consequences of both domestication and feralization. In addition to providing basic evolutionary insights, our growing understanding of mechanisms through which artificial selection can modulate fitness has diverse and important applications-from enhancing the welfare, sustainability, and efficiency of agroindustry, to mitigating biotic invasions.
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Affiliation(s)
- Eben Gering
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior ProgramMichigan State UniversityEast LansingMichigan
| | - Darren Incorvaia
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior ProgramMichigan State UniversityEast LansingMichigan
| | - Rie Henriksen
- IIFM Biology and AVIAN Behavioural Genomics and Physiology GroupLinköping UniversitySweden
| | - Dominic Wright
- IIFM Biology and AVIAN Behavioural Genomics and Physiology GroupLinköping UniversitySweden
| | - Thomas Getty
- Department of Integrative Biology and Ecology, Evolutionary Biology, and Behavior ProgramMichigan State UniversityEast LansingMichigan
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86
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McRobie HR, Moncrief ND, Mundy NI. Multiple origins of melanism in two species of North American tree squirrel (Sciurus). BMC Evol Biol 2019; 19:140. [PMID: 31296164 PMCID: PMC6625063 DOI: 10.1186/s12862-019-1471-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 06/30/2019] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND While our understanding of the genetic basis of convergent evolution has improved there are still many uncertainties. Here we investigate the repeated evolution of dark colouration (melanism) in eastern fox squirrels (Sciurus niger; hereafter "fox squirrels") and eastern gray squirrels (S. carolinensis; hereafter "gray squirrels"). RESULTS We show that convergent evolution of melanism has arisen by independent genetic mechanisms in two populations of the fox squirrel. In a western population, melanism is associated with a 24 bp deletion in the melanocortin-1-receptor gene (MC1RΔ24 allele), whereas in a south-eastern population, melanism is associated with a point substitution in the agouti signalling protein gene causing a Gly121Cys mutation. The MC1R∆24 allele is also associated with melanism in gray squirrels, and, remarkably, all the MC1R∆24 haplotypes are identical in the two species. Evolutionary analyses show that the MC1R∆24 haplotype is more closely related to other MC1R haplotypes in the fox squirrel than in the gray squirrel. Modelling supports the possibility of gene flow between the two species. CONCLUSIONS The presence of the MC1R∆24 allele and melanism in gray squirrels is likely due to introgression from fox squirrels, although we cannot completely rule out alternative hypotheses including introgression from gray squirrels to fox squirrels, or an ancestral polymorphism. Convergent melanism in these two species of tree squirrels has evolved by at least two and probably three different evolutionary routes.
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Affiliation(s)
- Helen R McRobie
- School of Life Sciences, Anglia Ruskin University, Cambridge, CB1 1PT, UK.
| | - Nancy D Moncrief
- Virginia Museum of Natural History, Martinsville, VA, 24112, USA
| | - Nicholas I Mundy
- Department of Zoology, University of Cambridge, Cambridge, CB2 3EJ, UK
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87
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Ostrander EA, Wang GD, Larson G, vonHoldt BM, Davis BW, Jagannathan V, Hitte C, Wayne RK, Zhang YP. Dog10K: an international sequencing effort to advance studies of canine domestication, phenotypes and health. Natl Sci Rev 2019; 6:810-824. [PMID: 31598383 PMCID: PMC6776107 DOI: 10.1093/nsr/nwz049] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/14/2019] [Accepted: 04/09/2019] [Indexed: 12/18/2022] Open
Abstract
Dogs are the most phenotypically diverse mammalian species, and they possess more known heritable disorders than any other non-human mammal. Efforts to catalog and characterize genetic variation across well-chosen populations of canines are necessary to advance our understanding of their evolutionary history and genetic architecture. To date, no organized effort has been undertaken to sequence the world's canid populations. The Dog10K Consortium (http://www.dog10kgenomes.org) is an international collaboration of researchers from across the globe who will generate 20× whole genomes from 10 000 canids in 5 years. This effort will capture the genetic diversity that underlies the phenotypic and geographical variability of modern canids worldwide. Breeds, village dogs, niche populations and extended pedigrees are currently being sequenced, and de novo assemblies of multiple canids are being constructed. This unprecedented dataset will address the genetic underpinnings of domestication, breed formation, aging, behavior and morphological variation. More generally, this effort will advance our understanding of human and canine health.
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Affiliation(s)
- Elaine A Ostrander
- National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Guo-Dong Wang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming 650223, China
| | - Greger Larson
- Palaeogenomics and Bio-Archaeology Research Network, School of Archaeology, University of Oxford, Oxford OX1 3TG, UK
| | - Bridgett M vonHoldt
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544-1014, USA
| | - Brian W Davis
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77840, USA
| | - Vidhya Jagannathan
- Institute of Genetics, Vetsuisse Faculty, University of Bern, Bern CH-3001, Switzerland
| | | | - Robert K Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ya-Ping Zhang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
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88
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Ackermann RR, Arnold ML, Baiz MD, Cahill JA, Cortés-Ortiz L, Evans BJ, Grant BR, Grant PR, Hallgrimsson B, Humphreys RA, Jolly CJ, Malukiewicz J, Percival CJ, Ritzman TB, Roos C, Roseman CC, Schroeder L, Smith FH, Warren KA, Wayne RK, Zinner D. Hybridization in human evolution: Insights from other organisms. Evol Anthropol 2019; 28:189-209. [PMID: 31222847 PMCID: PMC6980311 DOI: 10.1002/evan.21787] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 01/30/2019] [Accepted: 04/30/2019] [Indexed: 12/14/2022]
Abstract
During the late Pleistocene, isolated lineages of hominins exchanged genes thus influencing genomic variation in humans in both the past and present. However, the dynamics of this genetic exchange and associated phenotypic consequences through time remain poorly understood. Gene exchange across divergent lineages can result in myriad outcomes arising from these dynamics and the environmental conditions under which it occurs. Here we draw from our collective research across various organisms, illustrating some of the ways in which gene exchange can structure genomic/phenotypic diversity within/among species. We present a range of examples relevant to questions about the evolution of hominins. These examples are not meant to be exhaustive, but rather illustrative of the diverse evolutionary causes/consequences of hybridization, highlighting potential drivers of human evolution in the context of hybridization including: influences on adaptive evolution, climate change, developmental systems, sex-differences in behavior, Haldane's rule and the large X-effect, and transgressive phenotypic variation.
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Affiliation(s)
- Rebecca R. Ackermann
- Department of Archaeology, University of Cape Town, Rondebosch, South Africa
- Human Evolution Research Institute, University of Cape Town, Rondebosch, South Africa
| | | | - Marcella D. Baiz
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan
| | - James A. Cahill
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California
| | - Liliana Cortés-Ortiz
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, Michigan
| | - Ben J. Evans
- Biology Department, Life Sciences Building, McMaster University, Hamilton, Canada
| | - B. Rosemary Grant
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey
| | - Peter R. Grant
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey
| | - Benedikt Hallgrimsson
- Department of Cell Biology and Anatomy and the Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Robyn A. Humphreys
- Department of Archaeology, University of Cape Town, Rondebosch, South Africa
- Human Evolution Research Institute, University of Cape Town, Rondebosch, South Africa
| | - Clifford J. Jolly
- Center for the Study of Human Origins, Department of Anthropology, New York University, and NYCEP, New York, New York
| | - Joanna Malukiewicz
- Biodesign Institute, Arizona State University, Tempe, Arizona
- Federal University of Vicosa, Department of Animal Biology, Brazil
| | - Christopher J. Percival
- Department of Cell Biology and Anatomy and the Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
- Department of Anthropology, Stony Brook University, New York
| | - Terrence B. Ritzman
- Department of Archaeology, University of Cape Town, Rondebosch, South Africa
- Human Evolution Research Institute, University of Cape Town, Rondebosch, South Africa
- Department of Neuroscience, Washington University School of Medicine, St. Louis, Missouri
- Department of Anthropology, Washington University, St. Louis, Missouri
| | - Christian Roos
- Primate Genetics Laboratory, German Primate Center (DPZ), Leibniz Institute for Primate Research, Göttingen, Germany
| | - Charles C. Roseman
- Department of Animal Biology, School of Integrative Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Lauren Schroeder
- Human Evolution Research Institute, University of Cape Town, Rondebosch, South Africa
- Department of Anthropology, University of Toronto Mississauga, Mississauga, Canada
| | - Fred H. Smith
- Department of Sociology and Anthropology, Illinois State University, Normal, Illinois
| | - Kerryn A. Warren
- Department of Archaeology, University of Cape Town, Rondebosch, South Africa
- Human Evolution Research Institute, University of Cape Town, Rondebosch, South Africa
| | | | - Dietmar Zinner
- Cognitive Ethology Laboratory, German Primate Center (DPZ), Leibniz Institute for Primate Research, Göttingen, Germany
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89
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Chavez DE, Gronau I, Hains T, Kliver S, Koepfli KP, Wayne RK. Comparative genomics provides new insights into the remarkable adaptations of the African wild dog (Lycaon pictus). Sci Rep 2019; 9:8329. [PMID: 31171819 PMCID: PMC6554312 DOI: 10.1038/s41598-019-44772-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 05/22/2019] [Indexed: 12/02/2022] Open
Abstract
Within the Canidae, the African wild dog (Lycaon pictus) is the most specialized with regards to cursorial adaptations (specialized for running), having only four digits on their forefeet. In addition, this species is one of the few canids considered to be an obligate meat-eater, possessing a robust dentition for taking down large prey, and displays one of the most variable coat colorations amongst mammals. Here, we used comparative genomic analysis to investigate the evolutionary history and genetic basis for adaptations associated with cursoriality, hypercanivory, and coat color variation in African wild dogs. Genome-wide scans revealed unique amino acid deletions that suggest a mode of evolutionary digit loss through expanded apoptosis in the developing first digit. African wild dog-specific signals of positive selection also uncovered a putative mechanism of molar cusp modification through changes in genes associated with the sonic hedgehog (SHH) signaling pathway, required for spatial patterning of teeth, and three genes associated with pigmentation. Divergence time analyses suggest the suite of genomic changes we identified evolved ~1.7 Mya, coinciding with the diversification of large-bodied ungulates. Our results show that comparative genomics is a powerful tool for identifying the genetic basis of evolutionary changes in Canidae.
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Affiliation(s)
- Daniel E Chavez
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA.
| | - Ilan Gronau
- Efi Arazi School of Computer Science, Herzliya Interdisciplinary Center (IDC), Herzliya, 46150, Israel
| | - Taylor Hains
- Environmental Science and Policy, Johns Hopkins University, Washington, D.C., 20036, USA
| | - Sergei Kliver
- Institute of Molecular and Cellular Biology, Novosibirsk, 630090, Russian Federation
| | - Klaus-Peter Koepfli
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, D.C., 20008, USA
- Theodosius Dobzhansky Center for Genome Bioinformatics, Saint Petersburg State University, Saint Petersburg, 199034, Russian Federation
| | - Robert K Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA
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90
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91
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Goud TS, Upadhyay RC, Onteru SK, Pichili VBR, Chadipiralla K. Identification and sequence characterization of melanocortin 1 receptor gene ( MC1R) in Bos indicus versus ( Bos taurus X Bos indicus). Anim Biotechnol 2019; 31:283-294. [PMID: 30890019 DOI: 10.1080/10495398.2019.1585866] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Melanocortin 1 receptor (MC1R) plays a vital role in melanogenesis and determines coat color of mammals. Polymorphic variants in MC1R, causing coat color variation, were described in few mammals; however, such studies were not done in cattle. The objective of the study was to explore the association of MC1R gene polymorphism within Tharparkar (Bos indicus) and Karan Fries (B. indicus X Bos taurus) cattle. Genomic DNA isolated from blood samples of Tharparkar breed by modified Phenol: Chloroform; Isoamyl alcohol method. Using genomic DNA as template for PCR, MC1R gene was amplified and sequenced. The sequences were analyzed and submitted to Genbank with Acc.No MG373615-MG373644. Comparison of sequence alignment with other bovine species using ClustalW revealed 99-96% similarity. MC1R gene phylogenetic analyses were analyzed using MEGA X. The MC1R gene tree, protein domains and genetic variation of cattle were retrieved from Ensemble Asia Cattle Genome Browser. Eight single nucleotide polymorphisms (SNPs) (c.296T > C, c.583T > C, c.663C > T, c.830T > C, c.853G > A, c.880G > A, c.906C > G, c.927C > T) in CDS reveal high genetic variability. Subsequent to amino acid changes p.L99P, p.F195L, p.F277S, p.A285T and p.D293N, p.R302S, respectively found in seven-transmembrane. Mutations appeared in MC1R of B. taurus with white and black coat color as compared to B. indicus with white coat.
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Affiliation(s)
- Talla Sridhar Goud
- Climate Resilient Live Stock Research Centre, ICAR-National Dairy Research Institute, Karnal, India.,Department of Biotechnology, Vikrama Simhapuri University, Nellore, India
| | - Ramesh Chandra Upadhyay
- Climate Resilient Live Stock Research Centre, ICAR-National Dairy Research Institute, Karnal, India
| | - Suneel Kumar Onteru
- Molecular Endocrinology and Structural Biology, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal, India
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92
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Schweizer RM, Durvasula A, Smith J, Vohr SH, Stahler DR, Galaverni M, Thalmann O, Smith DW, Randi E, Ostrander EA, Green RE, Lohmueller KE, Novembre J, Wayne RK. Natural Selection and Origin of a Melanistic Allele in North American Gray Wolves. Mol Biol Evol 2019; 35:1190-1209. [PMID: 29688543 DOI: 10.1093/molbev/msy031] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Pigmentation is often used to understand how natural selection affects genetic variation in wild populations since it can have a simple genetic basis, and can affect a variety of fitness-related traits (e.g., camouflage, thermoregulation, and sexual display). In gray wolves, the K locus, a β-defensin gene, causes black coat color via a dominantly inherited KB allele. The allele is derived from dog-wolf hybridization and is at high frequency in North American wolf populations. We designed a DNA capture array to probe the geographic origin, age, and number of introgression events of the KB allele in a panel of 331 wolves and 20 dogs. We found low diversity in KB, but not ancestral ky, wolf haplotypes consistent with a selective sweep of the black haplotype across North America. Further, North American wolf KB haplotypes are monophyletic, suggesting that a single adaptive introgression from dogs to wolves most likely occurred in the Northwest Territories or Yukon. We use a new analytical approach to date the origin of the KB allele in Yukon wolves to between 1,598 and 7,248 years ago, suggesting that introgression with early Native American dogs was the source. Using population genetic simulations, we show that the K locus is undergoing natural selection in four wolf populations. We find evidence for balancing selection, specifically in Yellowstone wolves, which could be a result of selection for enhanced immunity in response to distemper. With these data, we demonstrate how the spread of an adaptive variant may have occurred across a species' geographic range.
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Affiliation(s)
- Rena M Schweizer
- Division of Biological Sciences, University of Montana, Missoula, MT.,Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA
| | - Arun Durvasula
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, CA
| | - Joel Smith
- Department of Ecology and Evolution, University of Chicago, Chicago, IL
| | - Samuel H Vohr
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
| | - Daniel R Stahler
- Yellowstone Center for Resources, National Park Service, Yellowstone National Park, WY
| | | | - Olaf Thalmann
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland
| | - Douglas W Smith
- Yellowstone Center for Resources, National Park Service, Yellowstone National Park, WY
| | - Ettore Randi
- Department of Biology, University of Bologna, Bologna, Italy.,Department of Chemistry and Bioscience, Faculty of Engineering and Science, University of Aalborg, Aalborg, Denmark
| | - Elaine A Ostrander
- National Human Genome Research Institute, National Institutes of Health, Bethesda, MD
| | - Richard E Green
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
| | - Kirk E Lohmueller
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA.,Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, CA
| | - John Novembre
- Department of Ecology and Evolution, University of Chicago, Chicago, IL.,Department of Human Genetics, University of Chicago, IL
| | - Robert K Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA
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93
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Zafar-ul Islam M, Boug A, Shehri A, da Silva LG. Geographic distribution patterns of melanistic Arabian Wolves, Canis lupus arabs (Pocock), in Saudi Arabia (Mammalia: Carnivora). ZOOLOGY IN THE MIDDLE EAST 2019. [DOI: 10.1080/09397140.2019.1580931] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
| | - Ahmed Boug
- Prince Saud al Faisal Wildlife Research Center, Taif, Saudi Arabia
| | - Abdullah Shehri
- Prince Saud al Faisal Wildlife Research Center, Taif, Saudi Arabia
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94
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Burgarella C, Barnaud A, Kane NA, Jankowski F, Scarcelli N, Billot C, Vigouroux Y, Berthouly-Salazar C. Adaptive Introgression: An Untapped Evolutionary Mechanism for Crop Adaptation. FRONTIERS IN PLANT SCIENCE 2019; 10:4. [PMID: 30774638 PMCID: PMC6367218 DOI: 10.3389/fpls.2019.00004] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 01/04/2019] [Indexed: 05/18/2023]
Abstract
Global environmental changes strongly impact wild and domesticated species biology and their associated ecosystem services. For crops, global warming has led to significant changes in terms of phenology and/or yield. To respond to the agricultural challenges of this century, there is a strong need for harnessing the genetic variability of crops and adapting them to new conditions. Gene flow, from either the same species or a different species, may be an immediate primary source to widen genetic diversity and adaptions to various environments. When the incorporation of a foreign variant leads to an increase of the fitness of the recipient pool, it is referred to as "adaptive introgression". Crop species are excellent case studies of this phenomenon since their genetic variability has been considerably reduced over space and time but most of them continue exchanging genetic material with their wild relatives. In this paper, we review studies of adaptive introgression, presenting methodological approaches and challenges to detecting it. We pay particular attention to the potential of this evolutionary mechanism for the adaptation of crops. Furthermore, we discuss the importance of farmers' knowledge and practices in shaping wild-to-crop gene flow. Finally, we argue that screening the wild introgression already existing in the cultivated gene pool may be an effective strategy for uncovering wild diversity relevant for crop adaptation to current environmental changes and for informing new breeding directions.
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Affiliation(s)
- Concetta Burgarella
- Institut de Recherche pour le Développement, UMR DIADE, Montpellier, France
- DIADE, Université de Montpellier, Montpellier, France
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement, UMR AGAP, Montpellier, France
- AGAP, Université de Montpellier, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Institut National de la Recherche Agronomique, Montpellier SupAgro, Montpellier, France
- *Correspondence: Concetta Burgarella, Cécile Berthouly-Salazar,
| | - Adeline Barnaud
- Institut de Recherche pour le Développement, UMR DIADE, Montpellier, France
- DIADE, Université de Montpellier, Montpellier, France
| | - Ndjido Ardo Kane
- Laboratoire National de Recherches sur les Productions Végétales, Institut Sénégalais de Recherches Agricoles, Dakar, Senegal
- Laboratoire Mixte International Adaptation des Plantes et Microorganismes Associés aux Stress Environnementaux, Dakar, Senegal
| | - Frédérique Jankowski
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement, UPR GREEN, Montpellier, France
- GREEN, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Université de Montpellier, Montpellier, France
- Bureau d’Analyses Macro-Economiques, Institut Sénégalais de Recherches Agricoles, Dakar, Senegal
| | - Nora Scarcelli
- Institut de Recherche pour le Développement, UMR DIADE, Montpellier, France
- DIADE, Université de Montpellier, Montpellier, France
| | - Claire Billot
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement, UMR AGAP, Montpellier, France
- AGAP, Université de Montpellier, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Institut National de la Recherche Agronomique, Montpellier SupAgro, Montpellier, France
| | - Yves Vigouroux
- Institut de Recherche pour le Développement, UMR DIADE, Montpellier, France
- DIADE, Université de Montpellier, Montpellier, France
| | - Cécile Berthouly-Salazar
- Institut de Recherche pour le Développement, UMR DIADE, Montpellier, France
- DIADE, Université de Montpellier, Montpellier, France
- Laboratoire Mixte International Adaptation des Plantes et Microorganismes Associés aux Stress Environnementaux, Dakar, Senegal
- *Correspondence: Concetta Burgarella, Cécile Berthouly-Salazar,
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95
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Schweizer M, Warmuth V, Alaei Kakhki N, Aliabadian M, Förschler M, Shirihai H, Suh A, Burri R. Parallel plumage colour evolution and introgressive hybridization in wheatears. J Evol Biol 2018; 32:100-110. [PMID: 30421480 DOI: 10.1111/jeb.13401] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 09/23/2018] [Accepted: 10/19/2018] [Indexed: 01/09/2023]
Abstract
Genetic and phenotypic mosaics, in which various phenotypes and different genomic regions show discordant patterns of species or population divergence, offer unique opportunities to study the role of ancestral and introgressed genetic variation in phenotypic evolution. Here, we investigated the evolution of discordant phenotypic and genetic divergence in a monophyletic clade of four songbird taxa-pied wheatear (O. pleschanka), Cyprus wheatear (Oenanthe cypriaca), and western and eastern subspecies of black-eared wheatear (O. h. hispanica and O. h. melanoleuca). Phenotypically, black back and neck sides distinguish pied and Cyprus wheatears from the white-backed/necked black-eared wheatears. Meanwhile, mitochondrial variation only distinguishes western black-eared wheatear. In the absence of nuclear genetic data, and given frequent hybridization among eastern black-eared and pied wheatear, it remains unclear whether introgression is responsible for discordance between mitochondrial divergence patterns and phenotypic similarities, or whether plumage coloration evolved in parallel. Multispecies coalescent analyses of about 20,000 SNPs obtained from RAD data mapped to a draft genome assembly resolve the species tree, provide evidence for the parallel evolution of colour phenotypes and establish western and eastern black-eared wheatears as independent taxa that should be recognized as full species. The presence of the entire admixture spectrum in the Iranian hybrid zone and the detection of footprints of introgression from pied into eastern black-eared wheatear beyond the hybrid zone despite strong geographic structure of ancestry proportions furthermore suggest a potential role for introgression in parallel plumage colour evolution. Our results support the importance of standing heterospecific and/or ancestral variation in phenotypic evolution.
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Affiliation(s)
| | - Vera Warmuth
- Evolutionary Biology, Department of Biology II, Ludwig Maximilians University Munich, Martinsried, Germany
| | - Niloofar Alaei Kakhki
- Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mansour Aliabadian
- Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Marc Förschler
- Department of Ecosystem Monitoring, Research and Conservation, Black Forest National Park, Freudenstadt, Germany
| | | | - Alexander Suh
- Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden
| | - Reto Burri
- Department of Population Ecology, Institute of Ecology and Evolution, Friedrich Schiller University Jena, Jena, Germany
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96
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Unmasking the invader: Genetic identity of invasive wild boar from three minor islands off Sardinia (Italy). Mamm Biol 2018. [DOI: 10.1016/j.mambio.2018.07.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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97
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Hendricks SA, Schweizer RM, Wayne RK. Conservation genomics illuminates the adaptive uniqueness of North American gray wolves. CONSERV GENET 2018. [DOI: 10.1007/s10592-018-1118-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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98
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Gómez-Sánchez D, Olalde I, Sastre N, Enseñat C, Carrasco R, Marques-Bonet T, Lalueza-Fox C, Leonard JA, Vilà C, Ramírez O. On the path to extinction: Inbreeding and admixture in a declining grey wolf population. Mol Ecol 2018; 27:3599-3612. [DOI: 10.1111/mec.14824] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 07/13/2018] [Accepted: 07/16/2018] [Indexed: 01/06/2023]
Affiliation(s)
- Daniel Gómez-Sánchez
- Ciencies Experimetals i de la Salut; Institut de Biologia Evolutiva (Universitat Pompeu Fabra - CSIC); Barcelona Spain
| | - Iñigo Olalde
- Ciencies Experimetals i de la Salut; Institut de Biologia Evolutiva (Universitat Pompeu Fabra - CSIC); Barcelona Spain
| | - Natalia Sastre
- Departament de Ciència Animal i dels Aliments; Facultat de Veterinària, Servei Veterinari de Genètica Molecular; Universitat Autònoma de Barcelona; Bellaterra Spain
- Department of Ecology and Evolutionary Biology; UCLA; Los Angeles California
| | | | - Rafael Carrasco
- Departamento de Biologia Animal, Biologia Vegetal y Ecología; Universidad de Jaén (UJA); Jaen Spain
| | - Tomas Marques-Bonet
- Ciencies Experimetals i de la Salut; Institut de Biologia Evolutiva (Universitat Pompeu Fabra - CSIC); Barcelona Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA); Barcelona Spain
- Centro Nacional de Análisis Genómico (CNAG); Barcelona Spain
| | - Carles Lalueza-Fox
- Ciencies Experimetals i de la Salut; Institut de Biologia Evolutiva (Universitat Pompeu Fabra - CSIC); Barcelona Spain
| | - Jennifer A. Leonard
- Conservation and Evolutionary Genetics Group; Estación Biológica de Doñana (EBD-CSIC); Seville Spain
| | - Carles Vilà
- Conservation and Evolutionary Genetics Group; Estación Biológica de Doñana (EBD-CSIC); Seville Spain
| | - Oscar Ramírez
- Ciencies Experimetals i de la Salut; Institut de Biologia Evolutiva (Universitat Pompeu Fabra - CSIC); Barcelona Spain
- Vetgenomics S.L.; Bellaterra Spain
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99
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Vickrey AI, Bruders R, Kronenberg Z, Mackey E, Bohlender RJ, Maclary ET, Maynez R, Osborne EJ, Johnson KP, Huff CD, Yandell M, Shapiro MD. Introgression of regulatory alleles and a missense coding mutation drive plumage pattern diversity in the rock pigeon. eLife 2018; 7:e34803. [PMID: 30014848 PMCID: PMC6050045 DOI: 10.7554/elife.34803] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 06/05/2018] [Indexed: 12/17/2022] Open
Abstract
Birds and other vertebrates display stunning variation in pigmentation patterning, yet the genes controlling this diversity remain largely unknown. Rock pigeons (Columba livia) are fundamentally one of four color pattern phenotypes, in decreasing order of melanism: T-check, checker, bar (ancestral), or barless. Using whole-genome scans, we identified NDP as a candidate gene for this variation. Allele-specific expression differences in NDP indicate cis-regulatory divergence between ancestral and melanistic alleles. Sequence comparisons suggest that derived alleles originated in the speckled pigeon (Columba guinea), providing a striking example of introgression. In contrast, barless rock pigeons have an increased incidence of vision defects and, like human families with hereditary blindness, carry start-codon mutations in NDP. In summary, we find that both coding and regulatory variation in the same gene drives wing pattern diversity, and post-domestication introgression supplied potentially advantageous melanistic alleles to feral populations of this ubiquitous urban bird.
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Affiliation(s)
- Anna I Vickrey
- School of Biological SciencesUniversity of UtahSalt Lake CityUnited States
| | - Rebecca Bruders
- School of Biological SciencesUniversity of UtahSalt Lake CityUnited States
| | - Zev Kronenberg
- Department of Human GeneticsUniversity of UtahSalt Lake CityUnited States
| | - Emma Mackey
- School of Biological SciencesUniversity of UtahSalt Lake CityUnited States
| | - Ryan J Bohlender
- Department of Epidemiology, MD Anderson Cancer CenterUniversity of TexasHoustonUnited States
| | - Emily T Maclary
- School of Biological SciencesUniversity of UtahSalt Lake CityUnited States
| | - Raquel Maynez
- School of Biological SciencesUniversity of UtahSalt Lake CityUnited States
| | - Edward J Osborne
- Department of Human GeneticsUniversity of UtahSalt Lake CityUnited States
| | - Kevin P Johnson
- Illinois Natural History Survey, Prairie Research InstituteUniversity of Illinois Urbana-ChampaignChampaignUnited States
| | - Chad D Huff
- Department of Epidemiology, MD Anderson Cancer CenterUniversity of TexasHoustonUnited States
| | - Mark Yandell
- Department of Human GeneticsUniversity of UtahSalt Lake CityUnited States
| | - Michael D Shapiro
- School of Biological SciencesUniversity of UtahSalt Lake CityUnited States
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100
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Ní Leathlobhair M, Perri AR, Irving-Pease EK, Witt KE, Linderholm A, Haile J, Lebrasseur O, Ameen C, Blick J, Boyko AR, Brace S, Cortes YN, Crockford SJ, Devault A, Dimopoulos EA, Eldridge M, Enk J, Gopalakrishnan S, Gori K, Grimes V, Guiry E, Hansen AJ, Hulme-Beaman A, Johnson J, Kitchen A, Kasparov AK, Kwon YM, Nikolskiy PA, Lope CP, Manin A, Martin T, Meyer M, Myers KN, Omura M, Rouillard JM, Pavlova EY, Sciulli P, Sinding MHS, Strakova A, Ivanova VV, Widga C, Willerslev E, Pitulko VV, Barnes I, Gilbert MTP, Dobney KM, Malhi RS, Murchison EP, Larson G, Frantz LAF. The evolutionary history of dogs in the Americas. Science 2018; 361:81-85. [PMID: 29976825 PMCID: PMC7116273 DOI: 10.1126/science.aao4776] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 12/26/2017] [Accepted: 05/10/2018] [Indexed: 01/01/2023]
Abstract
Dogs were present in the Americas before the arrival of European colonists, but the origin and fate of these precontact dogs are largely unknown. We sequenced 71 mitochondrial and 7 nuclear genomes from ancient North American and Siberian dogs from time frames spanning ~9000 years. Our analysis indicates that American dogs were not derived from North American wolves. Instead, American dogs form a monophyletic lineage that likely originated in Siberia and dispersed into the Americas alongside people. After the arrival of Europeans, native American dogs almost completely disappeared, leaving a minimal genetic legacy in modern dog populations. The closest detectable extant lineage to precontact American dogs is the canine transmissible venereal tumor, a contagious cancer clone derived from an individual dog that lived up to 8000 years ago.
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Affiliation(s)
- Máire Ní Leathlobhair
- Transmissible Cancer Group, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Angela R Perri
- Department of Archaeology, Durham University, Durham, UK
- Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany
| | - Evan K Irving-Pease
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK
| | - Kelsey E Witt
- School of Integrative Biology, University of Illinois at Urbana-Champaign, Urbana-Champaign, IL, USA
| | - Anna Linderholm
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK
- Department of Anthropology, Texas A&M University, College Station, TX, USA
| | - James Haile
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Ophelie Lebrasseur
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK
| | - Carly Ameen
- Department of Archaeology, Classics and Egyptology, University of Liverpool, Liverpool, UK
| | - Jeffrey Blick
- Department of Government and Sociology, Georgia College and State University, Milledgeville, GA, USA
| | - Adam R Boyko
- Department of Biomedical Sciences, Cornell University, Ithaca, NY, USA
| | - Selina Brace
- Department of Earth Sciences, Natural History Museum, London, UK
| | | | | | | | - Evangelos A Dimopoulos
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK
| | | | - Jacob Enk
- Arbor Biosciences, Ann Arbor, MI, USA
| | - Shyam Gopalakrishnan
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Kevin Gori
- Transmissible Cancer Group, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Vaughan Grimes
- Department of Archaeology, Memorial University, Queen's College, St. John's, Canada
| | - Eric Guiry
- Department of Anthropology, University of British Columbia, Vancouver, Canada
| | - Anders J Hansen
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- The Qimmeq Project, University of Greenland, Nuussuaq, Greenland
| | - Ardern Hulme-Beaman
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK
- Department of Archaeology, Classics and Egyptology, University of Liverpool, Liverpool, UK
| | - John Johnson
- Department of Anthropology, Santa Barbara Museum of Natural History, Santa Barbara, CA, USA
| | - Andrew Kitchen
- Department of Anthropology, University of Iowa, Iowa City, IA, USA
| | - Aleksei K Kasparov
- Institute for the History of Material Culture, Russian Academy of Sciences, St. Petersburg, Russia
| | - Young-Mi Kwon
- Transmissible Cancer Group, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Pavel A Nikolskiy
- Institute for the History of Material Culture, Russian Academy of Sciences, St. Petersburg, Russia
- Geological Institute, Russian Academy of Sciences, Moscow, Russia
| | | | - Aurélie Manin
- Department of Archaeology, BioArCh, University of York, York, UK
- UMR 7209, Archéozoologie, Archéobotanique, Muséum National d'Histoire Naturelle, Paris, France
| | - Terrance Martin
- Research and Collections Center, Illinois State Museum, Springfield, IL, USA
| | - Michael Meyer
- Touray & Meyer Veterinary Clinic, Serrekunda, Gambia
| | - Kelsey Noack Myers
- Glenn A. Black Laboratory of Anthropology, Indiana University Bloomington, Bloomington, IN, USA
| | - Mark Omura
- Department of Mammalogy, Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA
| | - Jean-Marie Rouillard
- Arbor Biosciences, Ann Arbor, MI, USA
- Department of Chemical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Elena Y Pavlova
- Institute for the History of Material Culture, Russian Academy of Sciences, St. Petersburg, Russia
- Arctic & Antarctic Research Institute, St. Petersburg, Russia
| | - Paul Sciulli
- Department of Anthropology, Ohio State University, Columbus, OH, USA
| | - Mikkel-Holger S Sinding
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- The Qimmeq Project, University of Greenland, Nuussuaq, Greenland
- Natural History Museum, University of Oslo, Oslo, Norway
| | - Andrea Strakova
- Transmissible Cancer Group, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | | | - Christopher Widga
- Center of Excellence in Paleontology, East Tennessee State University, Gray, TN, USA
| | - Eske Willerslev
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
| | - Vladimir V Pitulko
- Institute for the History of Material Culture, Russian Academy of Sciences, St. Petersburg, Russia
| | - Ian Barnes
- Department of Earth Sciences, Natural History Museum, London, UK
| | - M Thomas P Gilbert
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- Norwegian University of Science and Technology, University Museum, Trondheim, Norway
| | - Keith M Dobney
- Department of Archaeology, Classics and Egyptology, University of Liverpool, Liverpool, UK
- Department of Archaeology, University of Aberdeen, Aberdeen, UK
| | - Ripan S Malhi
- Department of Anthropology, University of Illinois at Urbana-Champaign, Urbana-Champaign, IL, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana-Champaign, IL, USA
| | - Elizabeth P Murchison
- Transmissible Cancer Group, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
| | - Greger Larson
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK.
| | - Laurent A F Frantz
- The Palaeogenomics and Bio-Archaeology Research Network, Research Laboratory for Archaeology and History of Art, University of Oxford, Oxford, UK.
- School of Biological and Chemical Sciences, Queen Mary University of London, London, UK
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