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相关概念视频

Sanger Sequencing01:57

Sanger Sequencing

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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

Next-generation Sequencing

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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
Although all next-generation methods use different technologies, they all share a set of standard features....
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Restriction Enzymes01:11

Restriction Enzymes

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Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
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RNA-seq03:21

RNA-seq

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RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while...
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Maxam-Gilbert Sequencing01:05

Maxam-Gilbert Sequencing

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In the same year as the discovery of the Sanger sequencing method, another group of scientists, Allan Maxam and Walter Gilbert, demonstrated their chemical-cleavage method for DNA sequencing. The Maxam-Gilbert method relies on using different chemicals that can cleave the DNA sequence at specific sites, the separation of resulting DNA fragments of variable size using electrophoresis, and deciphering the DNA sequence from the resulting gel bands.
Challenges of the Maxam-Gilbert Method
The...
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相关实验视频

Updated: Sep 17, 2025

High-throughput Identification of Gene Regulatory Sequences Using Next-generation Sequencing of Circular Chromosome Conformation Capture 4C-seq
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High-throughput Identification of Gene Regulatory Sequences Using Next-generation Sequencing of Circular Chromosome Conformation Capture 4C-seq

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双重消化限制站点相关的DNA测序 (ddRAD-Seq)

Zenaida V Magbanua1, Chuan-Yu Hsu2, Olga Pechanova2

  • 1Institute for Genomics, Biocomputing, and Biotechnology, Mississippi State University, Mississippi State, MS, USA. zvm2@msstate.edu.

Methods in molecular biology (Clifton, N.J.)
|June 28, 2025
PubMed
概括
此摘要是机器生成的。

这项研究引入了改进的双消化RAD测序 (ddRAD-Seq) 协议,简化了实验,以实现更快,更有效的SNP识别. 优化的方法提高了在人口和进化遗传学研究中的可用性.

关键词:
这是下一代测序.减少了基因组表示.限制酶消化过程中的消化.标识 SNP 的标识.

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Detection of Homologous Recombination Intermediates via Proximity Ligation and Quantitative PCR in Saccharomyces cerevisiae
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Rare Event Detection Using Error-corrected DNA and RNA Sequencing
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相关实验视频

Last Updated: Sep 17, 2025

High-throughput Identification of Gene Regulatory Sequences Using Next-generation Sequencing of Circular Chromosome Conformation Capture 4C-seq
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Detection of Homologous Recombination Intermediates via Proximity Ligation and Quantitative PCR in Saccharomyces cerevisiae
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Rare Event Detection Using Error-corrected DNA and RNA Sequencing
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科学领域:

  • 基因组学就是基因组学.
  • 分子生物学分子生物学
  • 生物信息学是一种生物信息学.

背景情况:

  • 双消化RAD测序 (ddRAD-Seq) 是一种有价值的技术,用于识别单核酸多态 (SNP).
  • 现有的ddRAD-Seq协议可能是耗时和复杂的,可能会限制它们的广泛应用.

研究的目的:

  • 提出一个改进的ddRAD-Seq协议,提高效率,减少实验时间.
  • 为了证明该协议在为下游应用生成高质量的SNP数据方面的有效性.

主要方法:

  • 使用选择的限制酶消化碎片和与酶缓冲器兼容的快速结合酶.
  • 消除了酶失活的步骤,将库放大和条形码合并到单个PCR步骤中.
  • 结合了使用BluePippin系统和图书馆生成结束时磁珠清理的高效尺寸选择.

主要成果:

  • 精简的ddRAD-Seq协议显著减少了库准备所需的时间.
  • 使用改进的协议识别的SNP在人口和进化研究中成功验证.
  • 在各种生物体中成功应用,包括棉花和罗胡鱼.

结论:

  • 增强的ddRAD-Seq协议为SNP发现提供了更有效和更易于使用的方法.
  • 这种优化的方法促进了ddRAD-Seq在人口遗传学,进化生物学和保护研究中的更广泛应用.
  • 该协议在不同物种中的验证强调了其多功能性和可靠性.