Molecular genetic diversity and maternal origin of Chinese black-bone chicken breeds

作者：Zhu W Q; Li H F^*; Wang J Y; Shu J T; Zhu C H; Song W T; Song C; Ji G G; Liu H X

来源：Genetics and Molecular Research, 2014, 13(2): 3275-3282.

DOI：10.4238/2014.April.29.5

• Chinese black-bone chicken
• cyt b
• Genetic diversity
• Maternal origin

Chinese black-bone chickens are valued for the medicinal properties of their meat in traditional Chinese medicine. We investigated the genetic diversity and systematic evolution of Chinese black-bone chicken breeds. We sequenced the DNA of 520 bp of the mitochondrial cyt b gene of nine Chinese black-bone chicken breeds, including Silky chicken, Jinhu black-bone chicken, Jiangshan black-bone chicken, Yugan black-bone chicken, Wumeng black-bone chicken, Muchuan black-bone chicken, Xingwen black-bone chicken, Dehua black-bone chicken, and Yanjin black-bone chicken. We found 13 haplotypes. Haplotype and nucleotide diversity of the nine black-bone chicken breeds ranged from 0 to 0.78571 and 0.00081 to 0.00399, respectively. Genetic diversity was the richest in Jinhu black-bone chickens and the lowest in Yanjin black-bone chickens. Analysis of phylogenetic trees for all birds constructed based on hyplotypes indicated that the maternal origin of black-bone chickens is predominantly from three subspecies of red jungle fowl. These results provide basic data useful for protection of black-bone chickens and help determine the origin of domestic chickens.

• 出版日期2014
• 单位扬州大学