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相关概念视频

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

5.6K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

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The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
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What is Population Genetics?01:25

What is Population Genetics?

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A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
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相关实验视频

Updated: May 13, 2025

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations
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用修改基因组进化速率分析分析鱼遗传负荷分析的协议.

Rebecca S Taylor1, Micheline Manseau1, Peng Liu1

  • 1Landscape Science and Technology, Environment and Climate Change Canada, Colonel By Drive, Ottawa, ON K1S 5B6, Canada.

STAR protocols
|May 11, 2025
PubMed
概括

这项研究引入了一项新的协议,用于测量鹿 (Rangifer tarandus) 的遗传负荷. 该方法使用改性基因组进化速率分析 (GERP) 方法进行增强的遗传分析.

关键词:
进化生物学是进化的生物学.序列分析是指进行序列分析.序列化是指测序的使用.

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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations
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An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations

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Last Updated: May 13, 2025

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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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科学领域:

  • 基因组学就是基因组学.
  • 进化生物学 进化生物学
  • 保护遗传学 保护遗传学

背景情况:

  • 了解遗传负载对于评估野生种群的健康和适应能力至关重要.
  • 鹿 (Rangifer tarandus) 种群面临着各种环境压力,这使得遗传健康评估变得非常重要.
  • 现有的遗传负载分析方法可能是复杂和耗时的.

研究的目的:

  • 提出一种精细的协议,用于分析鹿的遗传负载.
  • 为了适应基因组进化速率分析 (GERP) 程序的这个特定的应用程序.
  • 为提取和分析与进化保护相关的遗传数据提供简化方法.

主要方法:

  • 使用了一个改进的基因组进化速率分析 (GERP) 程序.
  • 开发了用于多物种对齐和生成进化保护得分的自动化程序.
  • 实施了一种简化流程,用于从使用三个外组物种的变异调用格式 (VCF) 文件中提取衍生基因.

主要成果:

  • 该协议可以通过识别保存的位点和衍生的等位基因来测量遗传负载.
  • 该方法为大型基因组数据集提供了高效的数据处理.
  • 描述的协议提供了一个可复制的框架,用于对的遗传负载分析.

结论:

  • 本协议提供了一种强大而有效的方法,用于评估鹿种群的遗传负荷.
  • 这种方法可以通过提供对人口遗传健康的洞察来帮助保护工作.
  • 修改后的GERP协议是进化和保护遗传学研究的宝贵工具.