相关实验视频
Updated: Jul 5, 2025

In Ovo Intravascular Injection in Chicken Embryos
Published on: June 3, 2022
对温的当地适应和表型多样性的基因组洞察力
Li-Hong Gu1, Ran-Ran Wu2, Xin-Li Zheng1
1Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences, Haikou 571199, China.
对温的基因组分析揭示了不同的种群结构,并确定了热带适应和羽毛颜色的基因. 这为品种保护和改进提供了关键的见解.
科学领域:
- 动物基因组学 动物基因组学
- 人口遗传学 人口遗传学
- 鸟类生物学 鸟类生物学
背景情况:
- 温是中国海南有价值的本地品种,以热带适应性和肉质而闻名.
- 对其种群结构和遗传基础的有限理解阻碍了保护和繁殖的努力.
研究的目的:
- 为了阐明温的特征的种群结构和遗传基础.
- 识别与适应热带环境和羽毛颜色变异相关的基因.
主要方法:
- 来自10个品种的200只温的全基因组重新排序.
- 对21种特征进行表型数据收集.
- 种群基因组学,选择扫描分析和全基因组关联研究 (GWAS).
主要成果:
- 鉴定出了不同的种群结构,受羽毛颜色的人工选择的影响.
- 发现了与热带适应相关的候选基因 (例如PCDH9,DPF3).
- 与羽毛颜色相关的基因 (例如TYR,MC1R) 被GWAS突出显示.
结论:
- 这项研究为温养殖和养殖提供了全面的遗传资源.
- 鉴定的基因为的适应性,羽毛颜色和生产特征提供了洞察力.
- 促进了对家禽类表型多样性的遗传基础的理解.
更多相关视频
11:48Grafting of Beads into Developing Chicken Embryo Limbs to Identify Signal Transduction Pathways Affecting Gene Expression
Published on: January 17, 2016
08:08Chicken Recombinant Limbs Assay to Understand Morphogenesis, Patterning, and Early Steps in Cell Differentiation
Published on: January 12, 2022
相关概念视频
Complementation Tests
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
Background and Environment Affect Phenotype
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
Position-effect Variegation
Limits to Natural Selection
Genetics of Speciation
Single Nucleotide Polymorphisms-SNPs