Estrogen Receptor-α 유전자 5' 영역의 Single Nucleotide Polymorphism의 탐색과 한우와 Holstein에서 번식능력 및 산유능력과의 관계
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- 2016.04.02
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서지정보
ㆍ발행기관 : 한국동물번식학회
ㆍ수록지정보 : Reproductive & developmental biology / 38권 / 3호
ㆍ저자명 : 염규태, 전향아, 박해금, 김영신, 김현, 김재환, 성환후, 조영무, 조재현, 고응규
목차
ABSTRACT
서 론
재료 및 방법
공시축
채혈 및 DNA 추출
PCR 반응
제한효소 처리 및 전기영동
DNA Sequencing
분만간격 및 305일 유량
통계분석
결과 및 고찰
유전자 빈도
분만간격 및 305일 유량
REFERENCES
영어 초록
This study was conducted for SNPs in the 5'-regions of estrogen receptor-α(ESR-α), and association with calving interval (CI), service per conception (SPC) and 305 days milk yield in Hanwoo and Holstein dairy cattle. The genet-ic improvement was incurred low reproduction performance. The objective of this study was to investigate connec-tions between single nucleotide polymorphisms (SNP) of Estrogen receptor-α (ESR-α) with reproduction performance (calving interval, service per conception, and 305 d milk yield) in Hanwoo and Holstein dairy cattle. Hanwoo and Holstein blood samples were collected from 183 and 124 dam of breeding farms and DNA was extracted. Primer design was based on NCBI GenBank (Accession No. AY340579). The PCR-RFLP method with Bgl I was used to ge-notype the cattle. The result showed two variants of the ESR-α gene. The Bgl I cut the 492 bp amplification pro- duct into 322 bp and 170 bp fragments for allele G, while allele A remained uncut, resulting in two restriction frag-ments for homozygote G/G and three fragments for heterozygote A/G. We found two of different genotypes in the-se breeds, A/G and G/G. In Hanwoo, the A/G genotype frequency was 0.13, and G/G was 0.87. The CI of A/G was 382.18±10.03 days, and G/G was 381.69±5.22 days. The SPC of A/G was 1.62±0.16, and G/G was 1.32±0.04. While CI showed no significance difference, SPC exhibited significant difference (p<0.05). In Holstein cattle, the frequency of genotype A/G was 0.02 and G/G was 0.98. The 305 days milk yield of A/G was 7,253.00±936.00 kg and of G/G was 8,747.51±204.88 kg, showing no significant difference.
참고 자료
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