Genotype and allele frequencies of polymorphisms in ABCG2, PPARGC1A and OLR1 genes in indigenous cattle breeds in Turkey

Abstract

This study was carried out to determine polymorphisms of four genes in South Anatolian Red (SAR) and East Anatolian Red (EAR) indigenous cattle breeds in Turkey. Single nucleotide polymorphisms (SNPs) mtor gamma coactivator 1 alpha (PPARGC1A) gene and g.8232C>A in oxidized low-density lipoprotein receptor 1 (OLR1) gene. The frequency of the ancestral allele A of the ABCG2 gene Y581S polymorphism was found to be very high (SAR: 0.63; EAR: 0.64) in both cattle breeds. The CC genotypes of PPARGC1A gene c.1892T>C (SAR: 0.65; EAR: 0.80) and OLR1 gene g.8232C>A polymorphisms (SAR: 0.82; EAR: 0.86), which are associated with high milk fat percentage, had higher frequencies than those of the other genotypes. In conclusion, onitored in this study are Y581S in ATP binding cassette sub family G member 2 (ABCG2) gene, c.1892T>C and c.3359A>C in peroxisome proliferator-activated recepwe might suggest that the allele distribution of the ABCG2 gene Y581S polymorphism can be the evidence indicating autosomal gene flow from zebu cattle to SAR and EAR cattle breeds.

Studija je obavljena u cilju određivanja polimorfi zma četiri gena kod južne anadolijske crvene (SAR) i istočne anadolijske crvene (EAR) domaće rase goveda u Turskoj. Pojedinačni nukleotidni polimorfi zmi (SNPs) koji su posmatrani u ovoj studiji su Y581S u ATP vezujućoj kaseti podfamilije G člana 2 (ABCG2) gena, c.1892T>C i c.3359A>C u PPARGC1A genu i g.8232C>A u genu za oksidisani lipoproteinski receptor male gustine (OLR1). Ustanovljeno je da je učestalost polimorfi zma alela A predaka ABCG2 gena Y581S veoma visoka (SAR: 0.63; EAR:0.64) i to kod obe rase goveda. Učestalost polimorfi zama CC genotipova PPARGC1A gena c. 1982T>C (SAR: 0.65; EAR: 0.80) i OLR1 gena g.8232C>A (SAR: 0.82; EAR: 0.86) koji su povezani sa visokim procentom masti u mleku, bile su veće u poređenju sa drugim genotipovima. U zaključku može da se sugeriše da distribucija polimorfi zma alela ABCG2 gena Y581S može da bude pokazatelj putanje autozomnog gena od zebu govečeta do SAR i EAR rasa goveda.