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相关概念视频

Genome Annotation and Assembly03:36

Genome Annotation and Assembly

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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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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
Although all next-generation methods use different technologies, they all share a set of standard features....
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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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相关实验视频

Updated: Jun 29, 2025

An Ultrahigh-throughput Microfluidic Platform for Single-cell Genome Sequencing
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阶段二倍体基因组组图与单细胞链序列测序.

Mir Henglin1,2, Maryam Ghareghani3,4, William Harvey5

  • 1Institute for Medical Biometry and Bioinformatics, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Germany.

bioRxiv : the preprint server for biology
|March 26, 2024
PubMed
概括

图解生成使用Strand-seq和组合图表的新型单元型解析基因组组件. 这种方法在没有父母数据的情况下实现了高精度和连续性,超过了现有的技术.

关键词:
组装图表 组装图表哈普洛型是指一种类型.这就是Hi-C.阶段化是分阶段进行的.在线链-seqq.这三人组三重奏.维尔科科 (Verkko) 的一个地方.一个 de-novo 的大会.这是一种HIFIASM.

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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.
  • 人口遗传学 人口遗传学

背景情况:

  • 哈普洛型信息对于生物医学和人口遗传学至关重要.
  • 当前的de novo哈普洛型组装方法通常需要父数据或中间的崩组装.

研究的目的:

  • 介绍Graphasing,一个新的工作流程,用于 de novo 哈普洛型解析的基因组组装.
  • 为了使双胞胎基因组在没有父母数据的情况下能够进行染色体规模的哈普洛型生成.

主要方法:

  • 图形化合成了Strand-seq相位信号与汇编图形拓.
  • 工作流与现有的组装管道集成,输出组装图并支持单元型组装.

主要成果:

  • 图形化实现了与三相相连接相似的连续性,相位精度和组装质量.
  • 它在相位准确度方面超过了Hi-C.
  • 产生超过18个染色体跨越的人类类组合.

结论:

  • 图形分析提供了一种高效和准确的方法,用于 de novo 单元型解析的基因组组装.
  • 它克服了现有策略的局限性,特别是对父母数据的需求.