Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network

Abstract The Indian Ocean has long been a hub of interacting human populations. Following land- and sea-based routes, trade drove cultural contacts between far-distant ethnic groups in Asia, India, the Middle East and Africa, creating one of the world’s first proto-globalized environments. However,...

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Autores principales:	Nicolas Brucato, Pradiptajati Kusuma, Philippe Beaujard, Herawati Sudoyo, Murray P. Cox, François-Xavier Ricaut
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9a568dcebdbc4e3f9d0e017a777bfb9b
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spelling	oai:doaj.org-article:9a568dcebdbc4e3f9d0e017a777bfb9b2021-12-02T15:05:26ZGenomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network10.1038/s41598-017-03204-y2045-2322https://doaj.org/article/9a568dcebdbc4e3f9d0e017a777bfb9b2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03204-yhttps://doaj.org/toc/2045-2322Abstract The Indian Ocean has long been a hub of interacting human populations. Following land- and sea-based routes, trade drove cultural contacts between far-distant ethnic groups in Asia, India, the Middle East and Africa, creating one of the world’s first proto-globalized environments. However, the extent to which population mixing was mediated by trade is poorly understood. Reconstructing admixture times from genomic data in 3,006 individuals from 187 regional populations reveals a close association between bouts of human migration and trade volumes during the last 2,000 years across the Indian Ocean trading system. Temporal oscillations in trading activity match phases of contraction and expansion in migration, with high water marks following the expansion of the Silk Roads in the 5th century AD, the rise of maritime routes in the 11th century and a drastic restructuring of the trade network following the arrival of Europeans in the 16th century. The economic fluxes of the Indian Ocean trade network therefore directly shaped exchanges of genes, in addition to goods and concepts.Nicolas BrucatoPradiptajati KusumaPhilippe BeaujardHerawati SudoyoMurray P. CoxFrançois-Xavier RicautNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nicolas Brucato Pradiptajati Kusuma Philippe Beaujard Herawati Sudoyo Murray P. Cox François-Xavier Ricaut Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network
description	Abstract The Indian Ocean has long been a hub of interacting human populations. Following land- and sea-based routes, trade drove cultural contacts between far-distant ethnic groups in Asia, India, the Middle East and Africa, creating one of the world’s first proto-globalized environments. However, the extent to which population mixing was mediated by trade is poorly understood. Reconstructing admixture times from genomic data in 3,006 individuals from 187 regional populations reveals a close association between bouts of human migration and trade volumes during the last 2,000 years across the Indian Ocean trading system. Temporal oscillations in trading activity match phases of contraction and expansion in migration, with high water marks following the expansion of the Silk Roads in the 5th century AD, the rise of maritime routes in the 11th century and a drastic restructuring of the trade network following the arrival of Europeans in the 16th century. The economic fluxes of the Indian Ocean trade network therefore directly shaped exchanges of genes, in addition to goods and concepts.
format	article
author	Nicolas Brucato Pradiptajati Kusuma Philippe Beaujard Herawati Sudoyo Murray P. Cox François-Xavier Ricaut
author_facet	Nicolas Brucato Pradiptajati Kusuma Philippe Beaujard Herawati Sudoyo Murray P. Cox François-Xavier Ricaut
author_sort	Nicolas Brucato
title	Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network
title_short	Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network
title_full	Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network
title_fullStr	Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network
title_full_unstemmed	Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network
title_sort	genomic admixture tracks pulses of economic activity over 2,000 years in the indian ocean trading network
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/9a568dcebdbc4e3f9d0e017a777bfb9b
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Genomic admixture tracks pulses of economic activity over 2,000 years in the Indian Ocean trading network

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