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Investigating genetic diversity and population phylogeny of five Chongqing local chicken populations autosomal using microsatellites. | LitMetric

Investigating genetic diversity and population phylogeny of five Chongqing local chicken populations autosomal using microsatellites.

Anim Biotechnol

College of Animal Science and Technology, Chongqing Key Laboratory of Forage and Herbivore, Chongqing Engineering Research Centre for Herbivores Resource Protection and Utilization, Southwest University, Chongqing, China.

Published: November 2022

AI Article Synopsis

Article Abstract

The genetic diversity and population structures of five Chongqing local chicken populations were investigated using by 24 microsatellite markers. Results revealed that the mean number of alleles () ranged from 7.08 (Daninghe chicken, DN) to 8.46 (Nanchuan chicken, NC). The highest observed heterozygosity () and expected heterozygosity () were observed in DN ( = 0.7252; = 0.7409) and the lowest and were observed in XS (Xiushan native chicken [XS], = 0.5910 and = 0.6697). The inbreeding coefficient () within population ranged from 0.022 (DN) to 0.119 (XS). Among the 24 microsatellite markers, four loci (, , , and ) deviated from the Hardy-Weinberg equilibrium in all the studied populations. The results of population polygenetic analysis based on Nei's genetic distance and STRUCTURE software showed that the clustering of the five populations was incomplete consistent with geographical distribution. Moreover, a large number of gene flows were widespread among different populations, suggesting that genetic material exchanges occurred due to human activities and migration which was also verified by . In summary, this study preliminarily showed that Chongqing local chicken populations had rich genetic diversity and remarkable genetic divergence, but still high risk in conversion. These findings would be useful to the management of conservation strategies and the utilization of local chicken populations in further.

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Source
http://dx.doi.org/10.1080/10495398.2021.1880421DOI Listing

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