Frequency of main western-Euroasian mtDNA haplogroups and paleolithic and neolithic lineages in the genetic structure of population of northeastern Bosnia.

Coll Antropol 2014 Sep;38(3):819-27

Mitochondrial DNA (mtDNA) variations were analyzed in a sample of 245 individuals of Bosnian-Herzegovinian population from the area of Northeastern Bosnia (also known as Tuzla region). Haplogroup affiliation was determined using RFLP method (Restriction Fragment Length Polymorphism) analyzing haplogroup-specific markers of mtDNA coding region, characteristic for the main Western-Eurasian haplogroups. Additional analyses of two sequenced hypervariable segments (HVSI and HVSII) of mtDNA control region were performed in order to identify U subhaplogroups. The study revealed that 95.51% of the analyzed individuals belonged to the typical Western-Eurasian haplogroups: H, I, J, K, T U, V, W or X. The most frequent haplogroup in the analyzed population was the haplogroup H (52.65%) which, due to its increased frequency, represents a marking haplogroup of the population of Northeastern Bosnia. The results of intergroup genetic analysis showed that Bosnian-Herzegovinian population is genetically closer to previously studied populations of Herzegovinians (part of Bosnia and Herzegovina), Slovenians and Croats in relation to other neighboring populations located in Southeastern Europe. Our study also suggests that population genetic structure of Tuzla region is dominated by mutations that are classified as "Paleolithic". These mutations were probably brought to the area of northeastern Bosnia through waves of prehistoric and historic migrations, but the impact of any pre-Neolithic, Neolithic or some "later" migrations, with a slightly lower contribution to the genetic structure of this population, also cannot be neglected.

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September 2014
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