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2017•International Journal of Current Microbiology and Applied SciencesOpen access

Genetic Diversity Analysis of Kilakarsal Sheep by Microsatellite Markers

T. Ravimurugan

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Abstract

Kilakarsal sheep population variability and structure was investigated genetically utilizing FAO recommended 25 microsatellite markers. Estimates of genetic variability such as effective number of alleles and gene diversities revealed substantial genetic variation detected by microsatellite markers. A total of 241 alleles were detected and the actual number of observable alleles ranged from five (BM6526) to a maximum of 16 (MAF70). The mean number of alleles (allelic diversity) was 9.64. The effective number of alleles which is lower than the observed number of alleles, was between 2.279 (OarCP20) and 8.510 (MAF70) with a mean of 4.786 alleles. The average observed heterozygosity (Ho) and expected heterozygosity (He) were 0.690 and 0.782 respectively. However, the study evidenced a significant departure from Hardy-Weinberg equilibrium in 13 loci. Such lack seems to be caused by a rather high level of inbreeding (FIS=0.097).

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Kilakarsal sheep population variability and structure was investigated genetically utilizing FAO recommended 25 microsatellite markers. Estimates of genetic variability such as effective number of alleles and gene diversities revealed substantial genetic variation detected by microsatellite markers. A total of 241 alleles were detected and the actual number of observable alleles ranged from five (BM6526) to a maximum of 16 (MAF70). The mean number of alleles (allelic diversity) was 9.64. The effective number of alleles which is lower than the observed number of alleles, was between 2.279 (OarCP20) and 8.510 (MAF70) with a mean of 4.786 alleles. The average observed heterozygosity (Ho) and expected heterozygosity (He) were 0.690 and 0.782 respectively. However, the study evidenced a significant departure from Hardy-Weinberg equilibrium in 13 loci. Such lack seems to be caused by a rather high level of inbreeding (FIS=0.097).

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Available abstract

Kilakarsal sheep population variability and structure was investigated genetically utilizing FAO recommended 25 microsatellite markers. Estimates of genetic variability such as effective number of alleles and gene diversities revealed substantial genetic variation detected by microsatellite markers. A total of 241 alleles were detected and the actual number of observable alleles ranged from five (BM6526) to a maximum of 16 (MAF70). The mean number of alleles (allelic diversity) was 9.64. The effective number of alleles which is lower than the observed number of alleles, was between 2.279 (OarCP20) and 8.510 (MAF70) with a mean of 4.786 alleles. The average observed heterozygosity (Ho) and expected heterozygosity (He) were 0.690 and 0.782 respectively. However, the study evidenced a significant departure from Hardy-Weinberg equilibrium in 13 loci. Such lack seems to be caused by a rather high level of inbreeding (FIS=0.097).

Key concepts: Loss of heterozygosity, Allele, Biology, Microsatellite, Genetic diversity, Inbreeding, Genetics, Genetic variation

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