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It has previously been demonstrated that a G/A Single Nucleotide Polymorphism (SNP) at nucleotideposition 1,892 of coding sequence of chicken Mx gene confers susceptibility/resistance to avian viral diseases.The aim of this study was to assess the geographical distribution of G/A alleles in relation to differentgenetic backgrounds of a wide range of chicken populations. Using Polymerase Chain Reaction- RestrictionFragment Length Polymorphism (PCR-RFLP) methods, 492 samples from 15 breeds of indigenous chickenpopulations from Java, Sumatera, Kalimantan and Sulawesi islands were genotyped. Allele and genotypefrequencies of each population were calculated. Deviations from Hardy-Weinberg equilibrium were testedand inbreeding coefficient FIS estimated. Overall, the susceptible allele G had a frequency of 37.27% whilethe resistant allele A had a corresponding frequency of 62.73%. No clear relation of the geographicaldistribution of the G/A alleles to genetic backgrounds was found. The distribution of this SNP acrosspopulations seems to be affected by genetic drift rather than selection.
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How to Cite
SULANDARI, Sri et al. Genetic Polymorphisms of The Chicken Antiviral Mx Gene in A Variety of Indonesian Indigenous Chicken Breeds. Jurnal Veteriner, [S.l.], v. 10, n. 2, june 2009. ISSN 2477-5665. Available at: <https://ojs.unud.ac.id/index.php/jvet/article/view/3346>. Date accessed: 14 aug. 2020.
Mx gene, allele frequency, genetic background, geographical distribution
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