Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand
Background: The Mon-Khmer speaking peoples inhabited northern Thailand before the arrival of the Tai speaking people from southern China in the thirteenth century A.D. Historical and anthropological evidence suggests a close relationship between the Mon-Khmer groups and the present day majority nort...
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th-cmuir.6653943832-56752014-08-30T03:23:18Z Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand Kutanan W. Kampuansai J. Fuselli S. Nakbunlung S. Seielstad M. Bertorelle G. Kangwanpong D. Background: The Mon-Khmer speaking peoples inhabited northern Thailand before the arrival of the Tai speaking people from southern China in the thirteenth century A.D. Historical and anthropological evidence suggests a close relationship between the Mon-Khmer groups and the present day majority northern Thai groups. In this study, mitochondrial and Y-chromosomal DNA polymorphisms in more than 800 volunteers from eight Mon-Khmer and ten Tai speaking populations were investigated to estimate the degree of genetic divergence between these major linguistic groups and their internal structure.Results: A large fraction of genetic variation is observed within populations (about 80% and 90% for mtDNA and the Y-chromosome, respectively). The genetic divergence between populations is much higher in Mon-Khmer than in Tai speaking groups, especially at the paternally inherited markers. The two major linguistic groups are genetically distinct, but only for a marginal fraction (1 to 2%) of the total genetic variation. Genetic distances between populations correlate with their linguistic differences, whereas the geographic distance does not explain the genetic divergence pattern.Conclusions: The Mon-Khmer speaking populations in northern Thailand exhibited the genetic divergence among each other and also when compared to Tai speaking peoples. The different drift effects and the post-marital residence patterns between the two linguistic groups are the explanation for a small but significant fraction of the genetic variation pattern within and between them. © 2011 Kutanan et al; licensee BioMed Central Ltd. 2014-08-30T03:23:18Z 2014-08-30T03:23:18Z 2011 Article 14712156 10.1186/1471-2156-12-56 21672265 BGMED http://www.scopus.com/inward/record.url?eid=2-s2.0-79958770851&partnerID=40&md5=702785230257d85353dce06538cce3da http://www.ncbi.nlm.nih.gov/pubmed/21672265 http://cmuir.cmu.ac.th/handle/6653943832/5675 English |
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Background: The Mon-Khmer speaking peoples inhabited northern Thailand before the arrival of the Tai speaking people from southern China in the thirteenth century A.D. Historical and anthropological evidence suggests a close relationship between the Mon-Khmer groups and the present day majority northern Thai groups. In this study, mitochondrial and Y-chromosomal DNA polymorphisms in more than 800 volunteers from eight Mon-Khmer and ten Tai speaking populations were investigated to estimate the degree of genetic divergence between these major linguistic groups and their internal structure.Results: A large fraction of genetic variation is observed within populations (about 80% and 90% for mtDNA and the Y-chromosome, respectively). The genetic divergence between populations is much higher in Mon-Khmer than in Tai speaking groups, especially at the paternally inherited markers. The two major linguistic groups are genetically distinct, but only for a marginal fraction (1 to 2%) of the total genetic variation. Genetic distances between populations correlate with their linguistic differences, whereas the geographic distance does not explain the genetic divergence pattern.Conclusions: The Mon-Khmer speaking populations in northern Thailand exhibited the genetic divergence among each other and also when compared to Tai speaking peoples. The different drift effects and the post-marital residence patterns between the two linguistic groups are the explanation for a small but significant fraction of the genetic variation pattern within and between them. © 2011 Kutanan et al; licensee BioMed Central Ltd. |
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Article |
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Kutanan W. Kampuansai J. Fuselli S. Nakbunlung S. Seielstad M. Bertorelle G. Kangwanpong D. |
spellingShingle |
Kutanan W. Kampuansai J. Fuselli S. Nakbunlung S. Seielstad M. Bertorelle G. Kangwanpong D. Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand |
author_facet |
Kutanan W. Kampuansai J. Fuselli S. Nakbunlung S. Seielstad M. Bertorelle G. Kangwanpong D. |
author_sort |
Kutanan W. |
title |
Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand |
title_short |
Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand |
title_full |
Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand |
title_fullStr |
Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand |
title_full_unstemmed |
Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand |
title_sort |
genetic structure of the mon-khmer speaking groups and their affinity to the neighbouring tai populations in northern thailand |
publishDate |
2014 |
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http://www.scopus.com/inward/record.url?eid=2-s2.0-79958770851&partnerID=40&md5=702785230257d85353dce06538cce3da http://www.ncbi.nlm.nih.gov/pubmed/21672265 http://cmuir.cmu.ac.th/handle/6653943832/5675 |
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