Journal
ANNALS OF HUMAN GENETICS
Volume 74, Issue -, Pages 57-64Publisher
WILEY
DOI: 10.1111/j.1469-1809.2009.00549.x
Keywords
adaptation; AGXT; AMOVA; diet; F-statistics; primary hyperoxaluria type 1
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Funding
- Centre National de la Recherche Scientifique (CNRS)
- European Science Foundation (ESF)
- MNHN department Homme, Nature, Societe
- ANR
- Fondation pour la Recherche Medicale (FRM)
- French Ministry of Higher Education and Research
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P>The Pro11Leu substitution in the AGXT gene, which causes primary hyperoxaluria type 1, is found with high frequency in some human populations (e.g., 5-20% in Caucasians). It has been suggested that this detrimental mutation could have been positively selected in populations with a meat-rich diet. In order to test this hypothesis, we investigated the occurrence of Pro11Leu in both herder and agriculturalist populations from Central Asia. We found a lower frequency of this detrimental mutation in herders, whose diet is more meat-rich, as compared to agriculturalists, which therefore challenges the universality of the previous claim. Furthermore, when combining our original data with previously published results, we could show that the worldwide genetic differentiation measured at the Pro11Leu polymorphism does not depart from neutrality. Hence, the distribution of the variation observed in the AGXT gene could be due to demographic history, rather than local adaptation to diet.
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