논문 (학술지)
Estimation of linkage disequilibrium and analysis of genetic diversity in Korean chicken lines
| 등록번호 | RPMS-2019-0190733113 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
|---|---|---|---|
| 저자명 (주·공동저자) | Seo Dongwon; Lee Doo Ho; Choi Nuri; Sudrajad Pita; Lee Seung-Hwan; Lee Jun-Heon; Chiang Tzen-Yuh | ||
| 논문구분 | 국외전문학술지 | 학술지명 | PLOS ONE |
| ISSN | 1932-6203 | 학술지 출판일자 | - |
| 학술지 볼륨번호 | 13 | 논문페이지 | e0192063 ~ e0192063 |
| 학술지 임팩트팩터 | 2.806 | 기여율 | 100 % |
| DOI | 10.1371/journal.pone.0192063 | ||
| 초록 | The development of genetic markers for animal breeding is an effective strategy to reduce the time and cost required to improve economically important traits. To implement genomic selection in the multibreed chicken population of Korea, an understanding of the linkage disequilibrium (LD) status of the target population is essential. In this study, we performed population genetic analyses to investigate LD decay, the effective population size, and breed diversity using 600K high-density single nucleotide polymorphism genotypes of 189 native chickens in 14 lines (including Korean native chicken, imported and adapted purebred and commercial chickens). The results indicated that commercial native chickens have less calculated LD (average, r 2 = 0.13–0.26) and purebred native chickens have more calculated LD (average, r 2 = 0.24–0.37) across the entire genome. The effective population sizes of the examined lines showed patterns opposite to those of population LD. The phylogeny and admixture analyses showed that commercial and purebred chickens were well distinguished, except for Rhode Island Red (RIR) purebred lines of NC (NIAS_RIR_C) and ND (NIAS_RIR_D). These lines are difficult to distinguish clearly because they originated from the same respective breeds. The results of this study may provide important information for the development of genetic markers that can be used in breeding to improve the economic traits of native chickens. | ||
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