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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 1,373 - 1,382 (10page)
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Hanwoo and Chikso are classified as Korean native cattle breeds that are currently registered with the Food and Agriculture Organization. However, there is still a lack of genomic studies to compare Hanwoo to Chikso populations. The objective of this study was to perform genome-wide analysis of Hanwoo and Chikso populations, investigating the genetic relationships between these two populations. We genotyped a total of 319 cattle including 214 Hanwoo and 105 Chikso sampled from Gangwon Province Livestock Technology Research Institute, using the Illumina Bovine SNP50K Beadchip. After performing quality control on the initially generated datasets, we assessed linkage disequilibrium patterns for all the possible SNP pairs within 1 Mb apart. Overall, average r2 values in Hanwoo (0.048) were lower than Chikso (0.074) population. The genetic relationship between the populations was further assured by the principal component analysis, exhibiting clear clusters in each of the Hanwoo and Chikso populations, respectively. Overall heterozygosity for Hanwoo (0.359) was slightly higher than Chikso (0.345) and inbreeding coefficient was also a bit higher in Hanwoo (− 0.015) than Chikso (− 0.035). The average FST value was 0.036 between Hanwoo and Chikso, indicating little genetic differentiation between those two breeds. Furthermore, we found potential selection signatures including LRP1B and NTRK2 genes that might be implicated with meat and reproductive traits in cattle. In this study, the results showed that both Hanwoo and Chikso populations were not under severe level of inbreeding. Although the principal component analysis exhibited clear clusters in each of the populations, we did not see any clear evidence that those two populations are highly differentiated each other.
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참고문헌 (38)
참고문헌 신청
최정우 / 2013 / Massively Parallel Sequencing of Chikso (Korean Brindle Cattle) to Discover Genome-Wide SNPs and InDels / Molecules and Cells 36(3):203~211
Choi JW / 2014 / Whole-genome analyses of Korean native and Holstein cattle breeds by massively parallel sequencing / PLoS ONE 9:e101127
최정우 / 2015 / Whole-Genome Resequencing Analysis of Hanwoo and Yanbian Cattle to Identify Genome-Wide SNPs and Signatures of Selection / Molecules and Cells 38(5):466~473
Cole JB / 2011 / Genome-wide association analysis of thirty one production, health, reproduction and body conformation traits in contemporary US Holstein cows / BMC Genom 12:408
Devlin B / 1995 / A comparison of linkage disequilibrium measures for fine-scale mapping / Genomics 29:311~322
Choi JW / 2014 / Whole-genome analyses of Korean native and Holstein cattle breeds by massively parallel sequencing / PLoS ONE 9:e101127
최정우 / 2015 / Whole-Genome Resequencing Analysis of Hanwoo and Yanbian Cattle to Identify Genome-Wide SNPs and Signatures of Selection / Molecules and Cells 38(5):466~473
Cole JB / 2011 / Genome-wide association analysis of thirty one production, health, reproduction and body conformation traits in contemporary US Holstein cows / BMC Genom 12:408
Devlin B / 1995 / A comparison of linkage disequilibrium measures for fine-scale mapping / Genomics 29:311~322
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