Mitochondrial DNA Diversity of Modern, Ancient and Wild Sheep (Ovis gmelinii anatolica) from Turkey: New Insights on the Evolutionary History of Sheep

Download
2013-12-11
Demirci, Sevgin
Bastanlar, Evren Koban
Dagtas, Nihan Dilsad
Pişkin, Evangelia
ENGİN, ATİLLA
Ozer, Fusun
Yuncu, Eren
Dogan, Sukru Anil
TOGAN, İNCİ ZEHRA
In the present study, to contribute to the understanding of the evolutionary history of sheep, the mitochondrial (mt) DNA polymorphisms occurring in modern Turkish native domestic (n = 628), modern wild (Ovis gmelinii anatolica) (n = 30) and ancient domestic sheep from Oylum Hoyuk in Kilis (n = 33) were examined comparatively with the accumulated data in the literature. The lengths (75 bp/76 bp) of the second and subsequent repeat units of the mtDNA control region (CR) sequences differentiated the five haplogroups (HPGs) observed in the domestic sheep into two genetic clusters as was already implied by other mtDNA markers: the first cluster being composed of HPGs A, B, D and the second cluster harboring HPGs C, E. To manifest genetic relatedness between wild Ovis gmelinii and domestic sheep haplogroups, their partial cytochrome B sequences were examined together on a median-joining network. The two parallel but wider aforementioned clusters were observed also on the network of Ovis gmelenii individuals, within which domestic haplogroups were embedded. The Ovis gmelinii wilds of the present day appeared to be distributed on two partially overlapping geographic areas parallel to the genetic clusters that they belong to (the first cluster being in the western part of the overall distribution). Thus, the analyses suggested that the domestic sheep may be the products of two maternally distinct ancestral Ovis gmelinii populations. Furthermore, Ovis gmelinii anatolica individuals exhibited a haplotype of HPG A (n = 22) and another haplotype (n = 8) from the second cluster which was not observed among the modern domestic sheep. HPG E, with the newly observed members (n = 11), showed signs of expansion. Studies of ancient and modern mtDNA suggest that HPG C frequency increased in the Southeast Anatolia from 6% to 22% some time after the beginning of the Hellenistic period, 500 years Before Common Era (BCE).

Suggestions

MTDNA based genetic diversity of native sheep breeds and Anatolian mouflon (Ovis Gmelini Anatolica)
Demirci, Sevgin; Togan, İnci Zehra; Department of Bioinformatics (2012)
In the present study, history of domestic sheep were investigated by mitochondrial DNA (mtDNA) based haplogroups (HPG) of 628 samples and mtDNA control region (CR) sequences of 240 samples from 13 Turkish sheep breeds which were located in the hearth of the first domestication center. Also, 30 Anatolian wild sheep (Ovis gmelinii anatolica) mtDNA CR sequences were obtained to contribute to the scenarios on initial domestication stages of sheep. Haplogroup compositions of breeds were identified with SSCP meth...
Genetic diversity of sheep breeds focusing on conservation research in turkey
Açan, Sinan Can; Togan, İnci Zehra; Öktem, Hüseyin Avni; Department of Biology (2012)
In the first part of the present study, samples of 13 native Turkish sheep breeds (n=628) were examined, individually and comparatively, with respect to their 19 microsatellite loci to characterize them by employing various statistical analyses. Low FST values, high mean number of alleles and allelic richness as well as results of Factorial Correspondence Analysis and Structure analyses showed the degree of admixture between native sheep breeds of Turkey, IVE and SAK were observed as the most distincts of t...
Maternal phyogeopgraphy of brown bears (Ursus Arctos) and testing the utility of non-invasive genetic samples
Çilingir, Fatma Gözde; Bilgin, Cemal Can; Department of Biology (2012)
The genetic diversity and phylogeography of brown bear maternal lineages have been studied extensively over the last two decades. In this study the genetic diversity and maternal phylogeography of non-invasively sampled 35 brown bears, including 5 captive individuals were reported from Turkey. In addition to the optimization of DNA extraction from hair, faeces and old skin samples and their PCRs, Bayesian phylogenetic analyses based on a 269 bp long piece of bear mitochondrial DNA were conducted and 14 nove...
STATISTICAL PREDICTION OF THE EXTINCTION TIME OF EXTINCT MAMMALIAN SPECIES IN ANATOLIA
Ekşi, Elçin; Kalaylıoğlu Akyıldız, Zeynep Işıl; Department of Archaeometry (2023-2-02)
Extinction and origination of species are fundamental to the process of evolution, a dynamic force that shapes the history of life. These processes are studied with different motivations in both paleontology and ecology. In some cases, obtaining sufficient population data for the studied species is impossible. For example, fossils of an extinct species or data from an endangered and rare species offer limited analysis. In such cases, it is possible to predict the extinction time of a species by analyzing th...
CLADISTIC TESTS OF MONOPHYLY AND RELATIONSHIPS OF BIOSTRATIGRAPHICALLY SIGNIFICANT CONODONTS USING MULTIELEMENT SKELETAL DATA - LOCHRIEA HOMOPUNCTATUS AND THE GENUS LOCHRIEA
Atakul-Oezdemir, Ayse; Purnell, Mark A.; Riley, Nicholas J. (Wiley, 2012-11-01)
Since the 1960s, huge progress has been made in reconstructing the multielement skeletons of conodont species and developing a biologically defensible taxonomy. Nevertheless, a widespread prejudice remains that certain parts of the conodont skeleton, particularly the P-1 elements, are more informative than others with regard to taxonomy and evolutionary relationships. Here, we test these views. A new partial multielement reconstruction of the skeleton of the biostratigraphically significant conodont origina...
Citation Formats
S. Demirci et al., “Mitochondrial DNA Diversity of Modern, Ancient and Wild Sheep (Ovis gmelinii anatolica) from Turkey: New Insights on the Evolutionary History of Sheep,” PLOS ONE, pp. 0–0, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31699.