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相关概念视频

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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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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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

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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Maxam-Gilbert Sequencing01:05

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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
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相关实验视频

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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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COSAP:一个比较测序分析平台.

Mehmet Arif Ergun1, Omer Cinal1, Berkant Bakışlı1

  • 1Department of Computer Engineering, Istanbul Technical University, 34469, Istanbul, Turkey.

BMC bioinformatics
|March 27, 2024
PubMed
概括

COSAP是一个新的开源平台,通过用户友好的界面简化DNA测序分析. 它为变体调用和注释提供了各种算法,提高了基因组研究中的可重现性.

关键词:
副本数量变化的变化微卫星的不稳定性是微观的国家货币体系分析NGS分析变体注释 变体注释变体分类的变体分类

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科学领域:

  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.
  • 计算生物学 计算生物学

背景情况:

  • 测序技术的进步需要复杂的计算工具来进行基因组数据分析.
  • 现有的软件解决方案往往是专有的,基于命令行,或缺乏全面的文档,阻碍了可访问性和验证.
  • 流行映射和变量调用算法之间的差异凸显了对比分析工具的需求.

研究的目的:

  • 引入比较测序分析平台 (COSAP),这是一个开源的,用户友好的解决方案,用于全面的DNA测序数据分析.
  • 为各种变体检测和注释任务提供一个统一的平台,集成流行的算法.
  • 通过标准化分析管道,促进可复制和协作基因组研究.

主要方法:

  • 开发COSAP作为一个工作流管理系统,具有基于Web的图形用户界面 (GUI) 和后端服务器.
  • 集成用于单核酸变异 (SNV),插入删除 (indel),结构变异 (SV),复制数变异 (CNV),微卫星不稳定性 (MSI) 和融合检测的流行的算法.
  • 将所有服务包装成Docker容器,以实现独立部署和可扩展性.
  • 实现一个模块化结构,使管道定制和添加新算法的最小编码.

主要成果:

  • COSAP提供了一套全面的SNV,indel,SV,CNV,MSI和融合分析工具,以及它们的注释.
  • 该平台具有功能齐全,用户友好的Web界面和后端服务器,支持个人和机构部署.
  • COSAP的模块化设计允许定制算法组合和新方法的集成,提高分析灵活性.
  • 公共可用的源代码和Docker容器促进了平台组件的可访问性和独立验证.

结论:

  • 通过提供常用算法的标准化实现,COSAP显著简化和加速DNA测序分析.
  • 该平台的用户友好的界面和独立的部署选项满足各种用户需求和规模.
  • 通过使不同分析管道的比较更容易,COSAP对于提高基因组研究的可复制性和可靠性至关重要.