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02798nam a2200625Ia 4500 |
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10.1038-s41467-022-29158-y |
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|a 20411723 (ISSN)
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|a South-to-north migration preceded the advent of intensive farming in the Maya region
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|b Nature Research
|c 2022
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|z View Fulltext in Publisher
|u https://doi.org/10.1038/s41467-022-29158-y
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|a The genetic prehistory of human populations in Central America is largely unexplored leaving an important gap in our knowledge of the global expansion of humans. We report genome-wide ancient DNA data for a transect of twenty individuals from two Belize rock-shelters dating between 9,600-3,700 calibrated radiocarbon years before present (cal. BP). The oldest individuals (9,600-7,300 cal. BP) descend from an Early Holocene Native American lineage with only distant relatedness to present-day Mesoamericans, including Mayan-speaking populations. After ~5,600 cal. BP a previously unknown human dispersal from the south made a major demographic impact on the region, contributing more than 50% of the ancestry of all later individuals. This new ancestry derived from a source related to present-day Chibchan speakers living from Costa Rica to Colombia. Its arrival corresponds to the first clear evidence for forest clearing and maize horticulture in what later became the Maya region. © 2022, The Author(s).
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|a agriculture
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|a Agriculture
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|a ancestry
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|a ancient DNA
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|a Belize [Central America]
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|a Central America
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|a Colombia
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|a Costa Rica
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|a DNA, Ancient
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|a forest
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|a Forests
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|a Holocene
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|a horticulture
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|a human
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|a Humans
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|a intensive agriculture
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|a maize
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|a migration
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|a relatedness
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|a Awe, J.J.
|e author
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|a Culleton, B.J.
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|a Edgar, H.H.J.
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|a George, R.J.
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|a Gutierrez, S.M.
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|a Harper, T.K.
|e author
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|a Hill, E.C.
|e author
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|a Kate, E.J.
|e author
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|a Kennett, D.J.
|e author
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|a Lipson, M.
|e author
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|a Lynch, P.
|e author
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|a Moes, E.
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|a Mora-Marín, D.
|e author
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|a Morris, J.
|e author
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|a O’Donnell, L.
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|a Prufer, K.M.
|e author
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|a Ramos, J.
|e author
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|a Ray, E.E.
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|a Reich, D.
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|a Robinson, M.
|e author
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|a Rohland, N.
|e author
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|a Ryan, T.M.
|e author
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|a Trask, W.R.
|e author
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|t Nature Communications
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