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2022年5月23日,中国农业科学院北京畜牧兽医研究所肉羊遗传育种科技创新团队利用KASP测序技术,对400只具有产羔数记录的云上黑山羊的胰岛素样生长因子1(insulin-like growth factor -1, IGF1)基因SNP分布情况进行了检测,发现该基因启动子区一个新的SNP与产羔数显著相关,并揭示了该SNP调控山羊产羔数的分子机制。相关研究结果发表在《细胞与发育生物学前沿(Fro...
青海大学畜牧兽医科学院完成的“青海泽库县牦牛乳常规营养成分及氨基酸的研究”“青海高原型牦牛GHR基因SNP多态对泌乳性能影响的研究”项目两项成果研究水平达到国内先进水平
青海大学畜牧兽医科学院 牦牛
2020/10/30
2020年10月23日,青海省科技厅组织有关专家,对青海大学畜牧兽医科学院完成的“青海泽库县牦牛 乳常规营养成分及氨基酸的研究”和“青海高原型牦牛 GHR 基 因 SNP 多态对泌乳性能影响的研究”项目进行了成果评价。专家委员会听取了汇报、审阅了相关资料,经质疑和讨论,同意通过项目成果评价,专家组认为该两项成果研究水平达到国内先进水平。
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近日,由内蒙古农业大学动物科学学院博士研究生乔贤,教师苏蕊、王瑞军为共同第一作者,李金泉教授为通讯作者完成的科研论文《Genome-wide Target Enrichment-aided Chip Design: a 66K SNP Chip for Cashmere Goat》(《基于全基因组捕获测序策略设计绒山羊66KSNP芯片》),在Nature(《自然》)旗下的《Scientific R...
利用SNP标记估计西门塔尔牛亲缘关系系数的准确性
亲缘关系系数 SNP 最小等位基因频率
2016/2/24
本研究旨在利用SNP标记估计西门塔尔牛亲缘关系系数,以期准确确定估计个体间亲缘关系系数所需的SNPs数量。研究以1 059头出生于2008-2012年的西门塔尔牛为试验群体,利用Illumina bovineHD(770 k)芯片,根据最小等位基因频率(MAF)区间,分别选择100、500、1 000、1 500、2 000、2 500和3 000 个SNPs用于个体间亲缘关系系数的估计。结果显示...
SNP detection in the porcine PPARGC1A promoter region and 3’UTR, and an association analysis in a Landrace-Duroc-Yorkshire population
association analysis fat deposition meat quality pig
2015/6/8
Meat quality is of increasing economic importance to the pork industry today, which is in contrast with the more traditional focus of pig selection for lean growth. Meat quality is however determined ...
Study of an association between SNP 775C>T within the bovine ITBG2 gene and milk performance traits in Black and White cows
BLAD carriers point mutation lethal genes milk performance traits QTL marker
2015/6/4
The exclusive pre-selective effect of BLAD carriers reproducing in the exposed Holstein-Friesian cattle population prompted to search for the candidate gene variants of high quality of milk performanc...
Study of SNP 775C>T polymorphism within the bovine ITGB2 gene in Polish Black-and-White cattle and in local breeds of cattle
BLAD carriers point mutation lethal genes SNP 775 C>T polymorphism
2015/6/4
The present study addresses the characteristics of the frequency and segregation of alleles determining the SNP 775C>T polymorphism within the bovine ITGB2 gene in the Black-and-White cattle populatio...
Single nucleotide polymorphism (SNP) in the 5?noncoding region of the bovine growth hormone receptor gene and its association with dairy production traits in Polish Black-and-White cattle
cattle GHR gene
2015/6/1
The effects of cow抯 genotype for growth hormone receptor (GHR) were determined on milk production traits of the Polish Black-and-White (BW) cattle. It was shown that GHR genotypes significantly influe...
外显子16是鸡lmbr1基因最大的外显子,本研究进行了该外显子在丝羽乌骨鸡和白洛克肉鸡间的SNP检测和单倍型分析。研究表明,鸡lmbr1 外显子16 的PCR-SSCP基因型在两个品种间的分布存在明显差异,测序从24个个体中检测到4个变异位点,其中T32C变异在两个品种间存在明显差异,丝羽乌骨鸡均含有32T(纯合的TT或杂合的TC),白洛克肉鸡在T32C位点都为纯合的CC;单倍型分析从24个个体中...
Linkage Disequilibrium Estimation of Chinese Beef Simmental Cattle Using High-density SNP Panels
Linkage Disequilibrium Single Nucleotide Polymorphisms Effective Population Size
2016/5/11
Linkage disequilibrium (LD) plays an important role in genomic selection and mapping quantitative trait loci (QTL). In this study, the pattern of LD and effective population size (Ne) were investigate...
西门塔尔X鲁西黄牛的杂交群体属于优良的乳肉兼用品种,为探讨其部分经济性状的标记进行早期育种,提高产业利润,此研究以组织蛋白酶B基因(Cathepsin B,CTSB)基因为胴体和生长性状的候选基因,利用PCR-RFLP方法对174头西门塔尔X鲁西黄牛CTSB内含子6的进行多态性检测,分析了不同基因型的群体遗传结构,应用SAS9.2软件采用最小二乘法拟合线性模型,对不同基因型与牛4个胴体和生长性状进...
五龙鹅FSH?基因SNP分析与产蛋性状关联性分析
五龙鹅FSH 基因SNP分析 产蛋性状 关联性分析
2011/10/25
本试验采用PCR-SSCP方法对五龙鹅进行促卵泡激素β亚基(FSHβ)基因多态性进行检测,并分析其与五龙鹅的产蛋性状的关系。试验结果表明 FSHβ外显子3存在1个SNP位点产生3种基因型AA,AB,BB;AB型,BB型平均开产蛋重,平均蛋重都要高于AA型,但二者之间差异不显著(P>0.05),AA型的开产日龄要早于AB型,BB型,产蛋量呈现AA型>AB型>BB型趋势。
五龙鹅FSH?基因SNP分析与产蛋性状关联性分析
五龙鹅FSH 基因SNP分析 产蛋性状 关联性分析
2011/8/25
本试验采用PCR-SSCP方法对五龙鹅进行促卵泡激素β亚基(FSHβ)基因多态性进行检测,并分析其与五龙鹅的产蛋性状的关系。试验结果表明 FSHβ外显子3存在1个SNP位点产生3种基因型AA,AB,BB;AB型,BB型平均开产蛋重,平均蛋重都要高于AA型,但二者之间差异不显著(P>0.05),AA型的开产日龄要早于AB型,BB型,产蛋量呈现AA型>AB型>BB型趋势。
Identification of Superior Single Nucleotide Polymorphisms (SNP) Combinations Related to Economic Traits by Genotype Matrix Mapping (GMM) in Hanwoo (Korean Cattle)
Economic Traits Genotype Matrix Mapping Single Nucleotide Polymorphisms Hanwoo CCDC158 Gene
2016/5/9
It is important to identify genetic interactions related to human diseases or animal traits. Many linear statistical models have been reported but they did not consider genetic interactions. Genotype ...
QTL Scan for Meat Quality Traits Using High-density SNP Chip Analysis in Cross between Korean Native Pig and Yorkshire
Illumina Porcine 60K SNP Beadchip QTL Meat Quality Korean Native Pig Yorkshire Pig
2016/5/6
We attempted to generate a linkage map using Illumina Porcine 60K SNP Beadchip genotypes of the F2 offspring from Korean native pig (KNP) crossed with Yorkshire (YS) pig, and to identify quantitative ...