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High frequency of lactose intolerance in a prehistoric hunter-gatherer population in northern Europe
Uppsala universitet.
Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Arkeologiska forskningslaboratoriet.
Stockholms universitet, Humanistiska fakulteten, Centrum för evolutionär kulturforskning. Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Arkeologiska forskningslaboratoriet.
Stockholms universitet, Humanistiska fakulteten, Institutionen för arkeologi och antikens kultur, Osteoarkeologiska forskningslaboratoriet.
Vise andre og tillknytning
2010 (engelsk)Inngår i: BMC Evolutionary Biology, ISSN 1471-2148, E-ISSN 1471-2148, Vol. 10, s. 89-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background: Genes and culture are believed to interact, but it has been difficult to find direct evidence for the process. One candidate example that has been put forward is lactase persistence in adulthood, i.e. the ability to continue digesting the milk sugar lactose after childhood, facilitating the consumption of raw milk. This genetic trait is believed to have evolved within a short time period and to be related with the emergence of sedentary agriculture.

Results: Here we investigate the frequency of an allele (-13910*T) associated with lactase persistence in a Neolithic Scandinavian population. From the 14 individuals originally examined, 10 yielded reliable results. We find that the T allele frequency was very low (5%) in this Middle Neolithic hunter-gatherer population, and that the frequency is dramatically different from the extant Swedish population (74%).

Conclusions: We conclude that this difference in frequency could not have arisen by genetic drift and is either due to selection or, more likely, replacement of hunter-gatherer populations by sedentary agriculturalists.

sted, utgiver, år, opplag, sider
2010. Vol. 10, s. 89-
Emneord [en]
lactose intolerance, hunter-gatherer, archaeology, genetics, diet
HSV kategori
Forskningsprogram
arkeologi; biokemi
Identifikatorer
URN: urn:nbn:se:su:diva-38390DOI: 10.1186/1471-2148-10-89ISI: 000277269900001OAI: oai:DiVA.org:su-38390DiVA, id: diva2:310135
Tilgjengelig fra: 2010-04-13 Laget: 2010-04-13 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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