Journal of Food, Agriculture and Environment

Assessing genetic diversity in six Iranian indigenous goat populations using AFLP markers 

Author(s):

Sayed Ziaeddin Mirhoseini *, Nejat Badbarin

Recieved Date: 2012-08-06, Accepted Date: 2013-01-30

Abstract:

Amplified fragment length polymorphism (AFLP) markers were used to investigate the genetic variation in six Iranian goats including Naeini, Turki, Abadeh, Khalkhali, Taleshi and Qazvini populations. A total of 233 individuals were analysed using seven selected AFLP primer combinations that produced 78 clear polymorphisms. The mean total heterozygosity, mean within group heterozygosity and mean among group heterozygosity were 0.306, 0.282 and 0.024, respectively. No population specific markers were identified. The largest genetic distance was between Abadeh and Naeini (0.052) and the smallest genetic distance was between Ghazvini and Taleshi populations (0.023). Cluster analysis based on Nei’s unbiased genetic distance between populations indicated that the results are not correlated with their geographical location. This may reflect undocumented migrations, high gene flows or a state of high genetic similarity between these populations. The coefficient of gene variation (G_st) was 0.11 which indicates that 11 percent of the total variability at AFLP loci was observed among populations. The mean gene flow among these populations was 5.782, which indicates high gene flow occurred among these populations. High gene flow causes high similarity between populations. 

Keywords:

Amplified fragment length polymorphism, Iranian goat populations, genetic diversity

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 1
Category: Agriculture
Pages: 495-497

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