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Volume 56, issue 1
Arch. Anim. Breed., 56, 691–699, 2013
https://doi.org/10.7482/0003-9438-56-069
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 56, 691–699, 2013
https://doi.org/10.7482/0003-9438-56-069
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2013

10 Oct 2013

The effects of artificial selection on genetic variation of some immune genes in Gallus gallus

T. Zhang, N. Zhao, and Q. Liu T. Zhang et al.
  • College of Veterinary Medicine, Yangzhou University, Yangzhou, China

Abstract. To research effects of the artificial selection of Gallus gallus on G. domesticus' nucleotide diversity of immune genes, sequence polymorphisms of G. domesticus (23 genes), G. gallus (23 genes), G. lafayetti (17 genes), and G. sonneratii (17 genes) were obtained from GenBank. The data set included 819 polymorphisms. Immune gene polymorphism and selection efficiency in the data from those four species of Gallus were calculated. By calculating the qw (Watterson's estimator) of each site, an average qw for each species and the minimum number of re-combinations in each species and by estimating the selection efficiency for G. domesticus and G. gallus, neither significant nucleotide diversity nor genetic-diversity-qw- difference was found between G. domesticus and G. gallus. The results indicated that the patterns of genetic diversity in G. domesticus were strongly influenced by recombination and, because Tajima's D has a negative value, recombination was the main mechanism responsible for the immune gene evolution of G. gallus.

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