Identifikasi Mutasi FecX Pada Gen BMP15 dan Pengaruhnya Terhadap Sifat Prolifik pada Kambing Lokal di Kabupaten Lombok Barat


  • Rahmat Agus Hidayat
  • Sulaiman Ngongu Depamede
  • Maskur Maskur



mutation, BMP15, local goat


The aims of this study were to identify the mutations of FecX gene in the local goats and to analyze its polymorphism as well as its influence on the prolific nature of the local goats in West Lombok Regency, Indonesia. The study was conducted in the Immunobiology Laboratory of Mataram University, using DNA isolated from 100 blood samples of local female goats which have given birth of once to three times. The methods used were PCR-RFLP method and the PCR products were digested with HinfI restriction enzyme (G|ANTC) then analyzed visually based on DNA banding patterns on 2% agarose gels. The frequency of allele and genotype obtained, were then analyzed through a comparison with the secondary data of litter size obtained from the local goat keepers information. The results showed that the gene mutation of FecXG produced two alleles: "wild-type" (+) sized of 110 bp and 31 bp, and the mutant allele (G) of 141 bp with the allele frequency of 0,965 and 0,035 respectively. Combinations of alleles in the gene BMP15 produced two genotypes, namely (a) genotype ++ (110 bp/110 bp) with a frequency of 0.93, with the average litter size of 1.59 ± 0.319, and (b) genotype G + (141bp/110 bp), with a frequency of 0.07 and with the average litter size of 1.65 ± 0.202. The results of this study indicated that mutation occurred in BMP15 gene, i.e. FecXG gene, the gene responsible for the prolificacy of animals studied. Furthermore there was a correlation between polymorphism of FecXG gene and the prolific nature of the local goats, which was predicted to lead the divergence in litter size of each local goat genotype



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