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Haplogroup Classification of Korean Cattle Breeds Based on Sequence Variations of mtDNA Control Region
Haplogroup mtDNA Control Region Korean Cattle Breed Phylogenetic Tree
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2016/5/20
Many studies have reported the frequency and distribution of haplogroups among various cattle breeds for verification of their origins and genetic diversity. In this study, 318 complete sequences of t...
Models for Estimating Genetic Parameters of Milk Production Traits Using Random Regression Models in Korean Holstein Cattle
Random Regression Model Test Day Yield Milk Production Heritability Holstein
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2016/5/20
The objectives of the study were to estimate genetic parameters for milk production traits of Holstein cattle using random regression models (RRMs), and to compare the goodness of fit of various RRMs ...
Genetic Diversity Analysis of South and East Asian Duck Populations Using Highly Polymorphic Microsatellite Markers
Discrimination Duck Genetic Diversity Microsatellite Marker
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2016/5/19
Native duck populations have lower productivity, and have not been developed as much as commercials duck breeds. However, native ducks have more importance in terms of genetic diversity and potentiall...
Association Analysis of Myosin Heavy-chain Genes mRNA Transcription with the Corresponding Proteins Expression of Longissimus Muscle in Growing Pigs
Myosin Heavy-chain Myofiber Types Gene Expression Porcine Muscle
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2016/5/19
The goal of this work was to investigate the correlations between MyHC mRNA transcription and their corresponding protein expressions in porcine longissimus muscle (LM) during postnatal growth of pigs...
Targeted Editing of Myostatin Gene in Sheep by Transcription Activator-like Effector Nucleases
Myostatin Targeted Gene Editing Sheep Primary Fibroblasts
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2016/5/19
Myostatin (MSTN) is a secreted growth factor expressed in skeletal muscle and adipose tissue that negatively regulates skeletal muscle mass. Gene knockout of MSTN can result in increasing muscle mass ...
Study of Genetic Diversity among Simmental Cross Cattle in West Sumatra Based on Microsatellite Markers
Simmental West Sumatra Microsatellite Genetic Diversity
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2016/5/19
A study was conducted to assess the genetic diversity among Simmental Cross cattle in West Sumatra using microsatellite DNA markers. A total of 176 individual cattle blood samples was used for obtaini...
Variance Components and Genetic Parameters Estimated for Fat and Protein Content in Individual Months of Lactation: The Case of Tsigai Sheep
Sheep Milk Composition Test Day Model Variance Ratios Heritability Genetic Correlations
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2016/5/19
The objective of this study was to assess variance components and genetic parameters for fat and protein content in Tsigai sheep using multivariate animal models in which fat and protein content in in...
National Genetic Evaluation (System) of Hanwoo (Korean Native Cattle)
Hanwoo Genetic Trend Parameter
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2016/5/11
Hanwoo (Also known as Korean native cattle; Bos taurus coreanae) have been used for transportation and farming for a long time in South Korea. It has been about 30 yrs since Hanwoo improvement began i...
In vitro-growth and Gene Expression of Porcine Preantral Follicles Retrieved by Different Protocols
Porcine Preantral Follicle Enzymatic Retrieval Mechanical Retrieval In vitro Culture Follicular Growth
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2016/5/10
This study was conducted to determine how the isolation method of the porcine preantral follicles influenced the following follicular growth in vitro. Mechanical and enzymatical isolations were used f...
Genetic Parameter Estimates of Carcass Traits under National Scale Breeding Scheme for Beef Cattle
Hanwoo Carcass Genetic Parameters Genetic Progress National Breeding Scheme
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2016/11/10
Carcass and price traits of 72,969 Hanwoo cows, bulls and steers aged 16 to 80 months at slaughter collected from 2002 to 2013 at 75 beef packing plants in Korea were analyzed to determine heritabilit...
叶酸调控鸡脾和胸腺IGF2表达的表观遗传机制探究
甲基化 染色质构象 表观遗传
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2016/2/24
本试验旨在研究胚期注射叶酸对肉鸡脾和胸腺中IGF2基因表达的影响，并进一步探究其调控基因表达的表观遗传学机制。选择重量和大小相近的种蛋360枚，随机分为4组，在孵化期第11天(E11)分别注射0（对照）、50、100和150 μg的叶酸。每个处理选取体重相近的48只1日龄雏鸡，随机分为6个重复，每个重复8只鸡，在饲养的第21和42天取胸腺和脾组织。用RT-PCR方法检测组织中IGF2的相对表达量；...
高原鼢鼠prestin基因的组织特异性表达与适应地下生活的关系
高原鼢鼠 Prestin基因 组织特异性表达 地下空间定位
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2016/7/18
高原鼢鼠是青藏高原特有的地下鼠，地下鼠具有准确的空间定位能力。prestin蛋白是在耳蜗特异性表达且与回声定位有关的蛋白分子。为了探讨prestin基因与高原鼢鼠地下空间定位之间的关系，我们克隆了高原鼢鼠prestin基因的编码区序列，并与其他物种的prestin基因序列进行序列比对；运用PAML软件对高原鼢鼠的prestin基因进行进化分析；根据已克隆的序列，应用实时荧光定量的方法测定高原鼢鼠耳...
新疆卡拉麦里山有蹄类自然保护区鹅喉羚遗传多样性及系统发育地位
鹅喉羚 遗传多样性 种群遗传结构 系统发育地位
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2016/7/18
鹅喉羚是生活于亚欧大陆荒漠、半荒漠地区重要的有蹄类动物。2010年春季，新疆卡拉麦里山有蹄类自然保护区遭遇了60年不遇的雪灾，我们采集了野外救灾发现的130头死亡鹅喉羚肌肉样本，采用PCR和测序技术，研究了鹅喉羚线粒体 DNA 的 Cyt b 基因 1143 bp 核酸序列，发现新疆卡拉麦里山有蹄类自然保护区生存的鹅喉羚单倍型多样性较高(Hd=0.855)，核苷酸多样性较低(π=0.00224)。...
Characterization of greying, melanoma,and vitiligo quantitative inheritance in Old Kladruber horses
pigmentation skin neoplasm heritability genetic correlations spectrophotometry
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2015/10/29
The paper deals with the greying process, melanoma, and vitiligo depigmentation occurrence in Old Kladruber horses (OKH). The study includes 376 animals of both sexes at the age of 1–25 years. The eva...
Genetic Parameters of Pre-adjusted Body Weight Growth and Ultrasound Measures of Body Tissue Development in Three Seedstock Pig Breed Populations in Korea
Pig Growth Trait Ultrasound Measures Heritability Genetic Correlation
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2016/5/19
The objective of this study was to compare the effects of body weight growth adjustment methods on genetic parameters of body growth and tissue among three pig breeds. Data collected on 101,820 Landra...