Y-chromosome evidence for differing ancient demographic histories in the Americas. Bortolini, M., C., Salzano, F., M., Thomas, M., G., Stuart, S., Nasanen, S., P., Bau, C., H., Hutz, M., H., Layrisse, Z., Petzl-Erler, M., L., Tsuneto, L., T., Hill, K., Hurtado, A., M., Castro-de-Guerra, D., Torres, M., M., Groot, H., Michalski, R., Nymadawa, P., Bedoya, G., Bradman, N., Labuda, D., & Ruiz-Linares, A. Am J Hum Genet, 73(3):524-539, 2003. Paper abstract bibtex To scrutinize the male ancestry of extant Native American populations, we examined eight biallelic and six microsatellite polymorphisms from the nonrecombining portion of the Y chromosome, in 438 individuals from 24 Native American populations (1 Na Dene and 23 South Amerinds) and in 404 Mongolians. One of the biallelic markers typed is a recently identified mutation (M242) characterizing a novel founder Native American haplogroup. The distribution, relatedness, and diversity of Y lineages in Native Americans indicate a differentiated male ancestry for populations from North and South America, strongly supporting a diverse demographic history for populations from these areas. These data are consistent with the occurrence of two major male migrations from southern/central Siberia to the Americas (with the second migration being restricted to North America) and a shared ancestry in central Asia for some of the initial migrants to Europe and the Americas. The microsatellite diversity and distribution of a Y lineage specific to South America (Q-M19) indicates that certain Amerind populations have been isolated since the initial colonization of the region, suggesting an early onset for tribalization of Native Americans. Age estimates based on Y-chromosome microsatellite diversity place the initial settlement of the American continent at approximately 14,000 years ago, in relative agreement with the age of well-established archaeological evidence.
@article{
title = {Y-chromosome evidence for differing ancient demographic histories in the Americas},
type = {article},
year = {2003},
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keywords = {*Chromosomes, Human, Y,Asian Continental Ancestry Group/*genetics/history,Canada,Emigration and Immigration/*history,Genetic Markers,Genetics, Population/*history,Haplotypes,History, Ancient,Humans,Indians, North American/*genetics/history,Indians, South American/*genetics/history,Male,Microsatellite Repeats,Polymorphism, Genetic,Research Support, Non-U.S. Gov't,Siberia,South America},
pages = {524-539},
volume = {73},
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abstract = {To scrutinize the male ancestry of extant Native American populations, we examined eight biallelic and six microsatellite polymorphisms from the nonrecombining portion of the Y chromosome, in 438 individuals from 24 Native American populations (1 Na Dene and 23 South Amerinds) and in 404 Mongolians. One of the biallelic markers typed is a recently identified mutation (M242) characterizing a novel founder Native American haplogroup. The distribution, relatedness, and diversity of Y lineages in Native Americans indicate a differentiated male ancestry for populations from North and South America, strongly supporting a diverse demographic history for populations from these areas. These data are consistent with the occurrence of two major male migrations from southern/central Siberia to the Americas (with the second migration being restricted to North America) and a shared ancestry in central Asia for some of the initial migrants to Europe and the Americas. The microsatellite diversity and distribution of a Y lineage specific to South America (Q-M19) indicates that certain Amerind populations have been isolated since the initial colonization of the region, suggesting an early onset for tribalization of Native Americans. Age estimates based on Y-chromosome microsatellite diversity place the initial settlement of the American continent at approximately 14,000 years ago, in relative agreement with the age of well-established archaeological evidence.},
bibtype = {article},
author = {Bortolini, M C and Salzano, F M and Thomas, M G and Stuart, S and Nasanen, S P and Bau, C H and Hutz, M H and Layrisse, Z and Petzl-Erler, M L and Tsuneto, L T and Hill, K and Hurtado, A M and Castro-de-Guerra, D and Torres, M M and Groot, H and Michalski, R and Nymadawa, P and Bedoya, G and Bradman, N and Labuda, D and Ruiz-Linares, A},
journal = {Am J Hum Genet},
number = {3}
}
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