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相关概念视频

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

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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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Sanger Sequencing01:57

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DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
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Next-generation Sequencing03:00

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The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
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相关实验视频

Updated: Jul 6, 2025

Detection of Rare Mutations in CtDNA Using Next Generation Sequencing
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Detection of Rare Mutations in CtDNA Using Next Generation Sequencing

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通过使用基板级测序来识别远方亲属.

August E Woerner1, Nicole M Novroski2, Sammed Mandape3

  • 1Center for Human Identification, University of North Texas Health Science Center, Fort Worth, TX, USA; Department of Microbiology, Immunology and Genetics, University of North Texas Health Science Center, Fort Worth, TX, USA.

Forensic science international. Genetics
|January 3, 2024
PubMed
概括
此摘要是机器生成的。

法医遗传谱系 (FGG) 现在可以使用桌面测序器上的低通序列识别来识别高达7度的亲属. 这种具有成本效益的方法增强了亲属关系分析,用于识别感兴趣的人.

关键词:
遗传家谱 遗传家谱 遗传家谱基因型的归算 基因型的归算亲属关系的关系低通顺序测序的低通顺序测序大规模并行测序.

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Methyl-binding DNA capture Sequencing for Patient Tissues
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科学领域:

  • 遗传学 遗传学 是一个
  • 法医科学 法医科学 法医科学
  • 生物信息学是一种生物信息学.

背景情况:

  • 法医遗传谱系 (FGG) 使用全基因组亲属关系估计来识别个人.
  • 目前的FGG方法很昂贵,需要专门的设备,如微阵列或高通量测序.
  • 针对常用基板测序器的向PCR测定提供了有限的亲属关系解决方案.

研究的目的:

  • 评估低通序列作为FGG的成本效益和可访问的替代方案.
  • 评估低通序列的分辨率,以推断亲属关系.
  • 为了确定桌面测序器是否可以实现与高通测序相比较的亲属分辨率.

主要方法:

  • 在来自三代血统的样本上利用低通全基因组测序.
  • 增强样本与模拟的7度亲属.
  • 使用类似于GEDmatch算法的算法评估亲属系数恢复.

主要成果:

  • 低通序列可靠地推断出直至7度亲属的亲属关系.
  • 该方法与通常可用的桌面测序器兼容.
  • 取得的分辨率与高通测序方法相比较.

结论:

  • 低通序列是法医遗传谱系的可行和可访问的策略.
  • 这种方法可以显著降低与FGG相关的成本.
  • 通过使用标准实验室设备,可靠地识别远亲.