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한우에서 ANK1 유전자 Promoter 지역 내 단일염기변이(SNP)와 경제형질간 연관성 분석
방찬미,공홍식 강원대학교 동물생명과학연구소(구 강원대학교 동물자원공동연구소) 2016 동물자원연구 Vol.27 No.1
The ANK1 (Ankyrin-1) gene, located on the bovine chromosome 27, encodes a structural protein which forms an important component of the cytoskeleton. Ankyrin belongs to a protein family that links membrane proteins to the underlying spectrin-actin cytoskeleton. Many studies on gene expression regulation have revealed that RNA polymerase binds to the ANK1 gene promoter region. The purpose of the present study was to investigate the relationship between the SNP of the ANK1 promoter region and economic traits in Hanwoo cattle. A total of seven SNPs (C-944T, C-733T, C-687G, A-672G, C- 307T, A-104G, C-24T), found in 119 animals, were correlated to economic traits. One of these SNPs, A-104G, was reported for the first time in the present study. Three newly discovered haplotypes were not associated with economic traits. Significant (p<0.05) relationships were found between C-944T and carcass weight, backfat thickeness, loin muscle area and between C-733T, A-672G and intramuscular fat. These results suggest that the SNPs of ANK1 gene may be useful molecular markers for selection of meat yield and quality traits in Hanwoo
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방찬미,문준관,공홍식,Bang, Chan Mi,Moon, Joon-Kwan,Kong, Hong Sik 한국식품조리과학회 2016 한국식품조리과학회지 Vol.32 No.1
Organic acid fermentation by yeast an important in the flavor and aroma. June 19th brewing each by each of the kinds of yeast (Instaferm, Instaferm red, La parisienne, La parisienne red, Fermivin, Safbrew wb-06, Safele s-04, Song chun) were analyzed organic acid during storage life. All yeast with reduced organic acid on 4 days. On 10 days, Instaferm, Instaferm red, La parisienne, La parisienne red, Fermivin yeast with the increased organic acid but on 19 days these reduced organic acid and maintain to 28 days. However use of Safbrew wb-06, Safele s-04, Song chun yeast the organic acid at storage and maintain organic acid content to 28 days. The variation of each organic acid during storage life characteristic of the yeast.
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Identification of CNVs and their association with the meat traits of Hanwoo
방찬미,Tseveen, Khaliunaa,이광현,서길종,공홍식 사단법인 한국동물생명공학회 2023 Journal of Animal Reproduction and Biotechnology Vol.38 No.3
Background: Copy number variation (CNV) can be identified using next-generation sequencing and microarray technologies, the research on the analysis of its association with meat traits in livestock breeding has significantly increased in recent years. Hanwoo is an inherent species raised in the Republic of Korea. It is now considered one of the most economically important species and a major food source mainly used for meat (Hanwoo beef). Methods: In this study, CNVs and the relationship between the obtained CNV regions (CNVRs) can be identified in the Hanwoo steer samples (n = 473) using Illumina Hanwoo SNP 50K bead chip and bioinformatic tools, which were used to locate the required data and meat traits were investigated. The PennCNV software was used for the identification of CNVs, followed by the use of the CNV Ruler software for locating the different CNVRs. Furthermore, bioinformatics analysis was performed. Results: We found a total of 2,575 autosomal CNVs (933 losses, 1,642 gains) and 416 CNVRs (289 gains, 111 losses, and 16 mixed), which were established with ranged in size from 2,183 bp to 983,333 bp and 10,004 bp to 381,836 bp, respectively. Upon analyzing the restriction of minor alleles frequency > 0.05 for meat traits association, 6 CNVRs in the carcass weight, 2 CNVRs in the marbling score, 3 CNVRs in the backfat thickness, and 2 CNVRs in the longissimus muscle area were related to the meat traits. In addition, we identified an overlap of 347 CNVRs. Moreover, 3 CNVRs were determined to have a gene that affects meat quality. Conclusions: Our results confirmed the relationship between Hanwoo CNVR and meat traits, and the possibility of overlapping candidate genes, annotations, and quantitative trait loci that results depended on to contribute to the greater understanding of CNVs in Hanwoo and its role in genetic variation among cattle livestock.
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Khaliunaa Tseveen,이광현,방찬미,양대용,선창완,이윤석,공홍식 한국동물유전육종학회 2023 한국동물유전육종학회지 Vol.7 No.3
Recently another type of genetic polymorphism, called copy number variation (CNV), has been discovered in the whole genome variation. SNP chips have also been used for CNVs analysis, making them a useful analytical tool. In this study, we evaluated CNVs and identified the relationship between CNV regions (CNVRs) in Hanwoo (n=1500) using the Illumina Hanwoo SNP 50K BeadChip in four South Korean regions. PennCNV software was used to identify CNVs, followed by CNV Ruler software to locate diverse CNVRs. We identified 8686 CNVs (6666 gains; 2020 loss), with lengths varying from 2,182 to 2,957,803 bp. Additionally, 689 CNVRs (480 gains; 153 losses; 56 both) were identified, with lengths varying from 2,820 to 2,957,803 bp, with an average of 124,881 bp, encompassing 86,042,896 bp (3.48%). Bioinformatic analysis was conducted using Biomart tools, gene ontology analysis, and the DAVID program. We identified 27 genes that were associated with IGF2, INS, SOCS3, and TH and found that they were related to insulin (GO:0046626, GO:1900076, bta04917). In conclusion, CNVs were identified using the HanwooSNP50k chip, CNVR with characteristics for each region was identified, and a part overlapping with the gene was verified. It is essential to verify that insulin-related genes differ by region and to understand the relationship between regional economic traits and CNV.
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