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    Genetic Polymorphism of Hemoglobin, Transferrin and Arylesterase of Konya Merino Sheep in Turkey
    (Indian Veterinary Journal, 2000) Boztepe, Saim; Tozluca, A.; Doğrul, F.; Balcıoğlu, Murat Soner; Aktaş, Ahmet Hamdi; Gürkan, Mehmet
    [Abstract not Available]
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    Genetic polymorphism of milk protein in TNB cattle
    (INDIAN COUNC AGRICULTURAL RES, 1999) Boztepe, S.; Ermetin, O.; Akın, Nihat; Tozluca, A.; Doğrul, F.
    Starch gel electrophoresis method was used to phenotype : casein and milk serum proteins for 110 Turkish Native Black (TNB) cows. Frequencies were: alpha(s1)-casein A 0.000,alpha(s1)-casein B 0.925, alpha(s1)-casein C 0.075;beta-casein A 0.840,beta-casein B 0.118,beta-casein C 0.042;beta-lactoglobulin A 0.234,beta-lactoglobulin B 0.766.beta-casein and beta-lactoglobulin loci were not in genetic equilibrium. However,the herd was in balance for alpha(s1)-casein. The absence of genetic equilibrium for the 2 loci can be explained by chance as the herd was very small. The effect of migration and selection except for natural selection were weak in this herd.
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    Identification of genetic variation in the major histocompatibility complex gene region in Turkish sheep breeds
    (SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCES, 2016) Ilhan, F.; Keskin, I.; Tozluca, A.
    The major histocompatibility complex (MHC) in sheep, Ovar-Mhc, remains poorly characterized relative to other domestic animals. However, its basic structure is similar to that of other mammals, comprising class I, II and III regions. In this study, the Ovine MHC class II DRB1 and DRB3 genes were amplified by polymerase chain reaction in eight sheep breeds reared in Turkey. Informative restriction fragment length polymorphisms (RFLPs) were obtained with five restriction enzymes for DRB1 and with two restriction enzymes for DRB3. The digestion of DRB1 exon 2 with NciI, SacI, SacII, Hin1I each produced three genotypes and two alleles (viz., a and b) with frequencies of 0.69 and 0.31; 0.65 and 0.35; 0.91 and 0.09; 0.57 and 0.43, respectively. The digestion of DRB1 exon 2 with DdeI produced four genotypes and three alleles (viz., a, b and c) with frequencies of 0.62, 0.28 and 0.10, respectively. On the other hand, the digestion of DRB3 exon 2 with NdeII and BsaI each produced three genotypes and two alleles (viz., a and b) with frequencies of 0.72 and 0.28; 0.96 and 0.04, respectively. This study presents the genetic profiles of the exon 2 region of the MHC DRB1 and DRB3 genes in native Turkish sheep breeds.