Yazar "Ata, Nezih" seçeneğine göre listele

Listeleniyor 1 - 2 / 2
  • [ X ]
    Öğe
    Genetic diversity and population structure of Anatolian Hair goats, an ancient breed
    (Copernicus Gesellschaft Mbh, 2024) Demiray, Aylin; Gunduz, Zuhal; Ata, Nezih; Yilmaz, Onur; Cemal, Ibrahim; Konyali, Aynur; Semen, Zeynep
    This study aimed to investigate the genetic characterization and diversity of Hair goats from 10 regions using 20 microsatellite markers. A total of 522 alleles were observed. The INRA0023 locus exhibited the greatest number of alleles (48), while the DRBP1 locus had the highest effective allele number (16.27), and the BM1818 and DRBP1 loci had the highest polymorphic information content value (0.94). The expected heterozygosity value ranged from 0.85 (ILSTS011) to 0.94 (BM1818, SRCRSP15, and DRBP1). The Hair goat populations in Konya and Hatay displayed the lowest and highest allele numbers, with values of 10.40 and 16.25, respectively. The fixation index (FIS) values are significant in defining population structures and determining the extent of heterozygosity losses. The FIS values exhibited a range of 0.031 in Mu.gla to 0.226 in Burdur. A total of 107 unique alleles were identified in Hair goat populations. However, it is noteworthy that, out of all the alleles, only 25 had a frequency exceeding 5 %. The results indicate that the microsatellite markers utilized demonstrate sufficient levels of polymorphism, making them appropriate for efficiently investigating the genetic variability of Hair goat populations.
  • Küçük Resim
    Öğe
    Genetic identification and characterisation of some Turkish sheep
    (Elsevier B.V., 2021) Alarslan, Emre; Ata, Nezih; Yılmaz, Onur; Öner, Yasemin; Kaptan, Cüneyt; Savaş, Türker; Yılmaz, Alper
    Turkey's biological diversity is considerable because of its biogeographical positions, therefore it is plentiful in terms of diversity in animal genetic resources. Genetic diversity is important in sustainable breeding and conservation programs in livestock. The aim of this study was to determine the genetic structure of Yalova genotype, Kıvırcık, Tahirova and Eşme sheep breed by using twenty microsatellite markers. A total of 223 Turkish native unrelated sheep (Yalova, Kıvırcık, Tahirova and Eşme) which were raised in sixteen flocks located in four different provinces (Kırklareli, Çanakkale, Yalova ve Uşak) were investigated. A total of 543 alleles were found. The number of loci showed deviations from Hardy-Weinberg equilibrium ranged from 11 (Kıvırcık) to 17 (Yalova). Although a total of 183 private alleles were detected, only 21 of them had allele frequency above 0.05. The number of observed alleles differed from 42 (for OarFCB20 and ILSTS5) to 20 (for OarCP34 and DRBP1). The highest Ne and PIC values (19.23 and 0.95, respectively) were also observed for ILSTS5 locus. While expected heterozygosity (He) ranged between 0.83−0.95, observed heterozygosity differed from 0.69−0.95. These results can be used for the initiation of registration studies for Yalova after combining phenotypic data evaluations.