The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean
AbstractDespite their central economic and cultural role, the origin of cattle populations living in Indian Ocean islands still remains poorly documented. Here, we unravel the demographic and adaptive histories of the extant Zebus from the Mayotte and Madagascar islands using high-de...
| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Oxford University Press
2022-02-01
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| Series: | G3: Genes, Genomes, Genetics |
| Online Access: | https://academic.oup.com/g3journal/article-lookup/doi/10.1093/g3journal/jkac029 |
| _version_ | 1811218587068661760 |
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| author | Jessica Magnier Tom Druet Michel Naves Mélissa Ouvrard Solène Raoul Jérôme Janelle Katayoun Moazami-Goudarzi Matthieu Lesnoff Emmanuel Tillard Mathieu Gautier Laurence Flori |
| author_facet | Jessica Magnier Tom Druet Michel Naves Mélissa Ouvrard Solène Raoul Jérôme Janelle Katayoun Moazami-Goudarzi Matthieu Lesnoff Emmanuel Tillard Mathieu Gautier Laurence Flori |
| author_sort | Jessica Magnier |
| collection | DOAJ |
| description |
AbstractDespite their central economic and cultural role, the origin of cattle populations living in Indian Ocean islands still remains poorly documented. Here, we unravel the demographic and adaptive histories of the extant Zebus from the Mayotte and Madagascar islands using high-density SNP genotyping data. We found that these populations are very closely related and both display a predominant indicine ancestry. They diverged in the 16th century at the arrival of European people who transformed the trade network in the area. Their common ancestral cattle population originates from an admixture between an admixed African zebu population and an Indian zebu that occurred around the 12th century at the time of the earliest contacts between human African populations of the Swahili corridor and Austronesian people from Southeast Asia in Comoros and Madagascar. A steep increase in the estimated population sizes from the beginning of the 16th to the 17th century coincides with the expansion of the cattle trade. By carrying out genome scans for recent selection in the two cattle populations from Mayotte and Madagascar, we identified sets of candidate genes involved in biological functions (cancer, skin structure, and UV-protection, nervous system and behavior, organ development, metabolism, and immune response) broadly representative of the physiological adaptation to tropical conditions. Overall, the origin of the cattle populations from Western Indian Ocean islands mirrors the complex history of human migrations and trade in this area. |
| first_indexed | 2024-04-12T07:11:59Z |
| format | Article |
| id | doaj.art-b7dbfd2d3f834205b3223f73c41a6a3f |
| institution | Directory Open Access Journal |
| issn | 2160-1836 |
| language | English |
| last_indexed | 2024-04-12T07:11:59Z |
| publishDate | 2022-02-01 |
| publisher | Oxford University Press |
| record_format | Article |
| series | G3: Genes, Genomes, Genetics |
| spelling | doaj.art-b7dbfd2d3f834205b3223f73c41a6a3f2022-12-22T03:42:36ZengOxford University PressG3: Genes, Genomes, Genetics2160-18362022-02-0110.1093/g3journal/jkac029The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian OceanJessica Magnier0https://orcid.org/0000-0003-2008-8364Tom Druet1https://orcid.org/0000-0003-1637-1706Michel Naves2https://orcid.org/0000-0001-5574-1509Mélissa Ouvrard3Solène Raoul4Jérôme Janelle5https://orcid.org/0000-0003-3143-7419Katayoun Moazami-Goudarzi6https://orcid.org/0000-0003-2860-5418Matthieu Lesnoff7Emmanuel Tillard8https://orcid.org/0000-0001-7801-2392Mathieu Gautier9https://orcid.org/0000-0001-7257-5880Laurence Flori10https://orcid.org/0000-0002-7529-8521SELMET, University of Montpellier, CIRAD, INRAE, L’Institut Agro, Montpellier 34398, FranceUnit of Animal Genomics, GIGA-R, Faculty of Veterinary Medicine, University of Liège, Liège 4000, BelgiumURZ, INRAE, Guadeloupe 97170, FranceCOOPADEM, Mayotte 97670, FranceCOOPADEM, Mayotte 97670, FranceSELMET, University of Montpellier, CIRAD, INRAE, L’Institut Agro, Montpellier 34398, FranceUniversity Paris-Saclay, INRAE, AgroParisTech, GABI, Jouy-en-Josas 78350, FranceSELMET, University of Montpellier, CIRAD, INRAE, L’Institut Agro, Montpellier 34398, FranceSELMET, University of Montpellier, CIRAD, INRAE, L’Institut Agro, Montpellier 34398, FranceCBGP, INRAE, CIRAD, IRD, L’Institut Agro, University of Montpellier, Montferrier sur Lez 34988, FranceSELMET, INRAE, CIRAD, L’Institut Agro, University of Montpellier, Montpellier 34398, France AbstractDespite their central economic and cultural role, the origin of cattle populations living in Indian Ocean islands still remains poorly documented. Here, we unravel the demographic and adaptive histories of the extant Zebus from the Mayotte and Madagascar islands using high-density SNP genotyping data. We found that these populations are very closely related and both display a predominant indicine ancestry. They diverged in the 16th century at the arrival of European people who transformed the trade network in the area. Their common ancestral cattle population originates from an admixture between an admixed African zebu population and an Indian zebu that occurred around the 12th century at the time of the earliest contacts between human African populations of the Swahili corridor and Austronesian people from Southeast Asia in Comoros and Madagascar. A steep increase in the estimated population sizes from the beginning of the 16th to the 17th century coincides with the expansion of the cattle trade. By carrying out genome scans for recent selection in the two cattle populations from Mayotte and Madagascar, we identified sets of candidate genes involved in biological functions (cancer, skin structure, and UV-protection, nervous system and behavior, organ development, metabolism, and immune response) broadly representative of the physiological adaptation to tropical conditions. Overall, the origin of the cattle populations from Western Indian Ocean islands mirrors the complex history of human migrations and trade in this area.https://academic.oup.com/g3journal/article-lookup/doi/10.1093/g3journal/jkac029 |
| spellingShingle | Jessica Magnier Tom Druet Michel Naves Mélissa Ouvrard Solène Raoul Jérôme Janelle Katayoun Moazami-Goudarzi Matthieu Lesnoff Emmanuel Tillard Mathieu Gautier Laurence Flori The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean G3: Genes, Genomes, Genetics |
| title | The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean |
| title_full | The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean |
| title_fullStr | The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean |
| title_full_unstemmed | The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean |
| title_short | The genetic history of Mayotte and Madagascar cattle breeds mirrors the complex pattern of human exchanges in Western Indian Ocean |
| title_sort | genetic history of mayotte and madagascar cattle breeds mirrors the complex pattern of human exchanges in western indian ocean |
| url | https://academic.oup.com/g3journal/article-lookup/doi/10.1093/g3journal/jkac029 |
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