関連する実験動画
Updated: Jul 5, 2026

10:34
Ultra-long Read Sequencing for Whole Genomic DNA Analysis
Published on: March 15, 2019
8つのヒトゲノムからの構造的変異のマッピングとシーケンシング
Jeffrey M Kidd1, Gregory M Cooper, William F Donahue
1Department of Genome Sciences and Howard Hughes Medical Institute, University of Washington, Seattle, Washington 98195, USA.
Nature
|May 3, 2008
まとめ
この研究は,ヒトゲノムの挿入や削除を含む,中間スケールの遺伝的変異をマッピングしています. 研究者らは,多様な集団における多くの新しい構造変異とそのパターンを特定しました.
科学分野:
- ゲノミクスゲノミクスとは
- 人間の遺伝学 人間の遺伝学
- 分子生物学は分子生物学である.
背景:
- 人間の遺伝的多様性は,大きな染色体変化から単一の核酸多型化まで,複数のスケールに及ぶ.
- 中間スケールの構造的変異 (挿入,削除,逆転) は,ゲノム多様性を理解するために極めて重要です.
研究 の 目的:
- ヒトゲノムの中間スケールの構造的変異を特徴付ける.
- 人間の構造的多様性の高解像度シーケンスマップを提供する.
- 人間のゲノムを形成する突然変異過程を調査する.
主な方法:
- 構造的変化を分析するために,クローンベースの方法を使用しました.
- 異なる地理的祖先を持つ8人の個体における構造的変異を調査した.
- 特定された構造変異の完全なシーケンスを実行しました.
主要な成果:
- 複数の個体で見つかった50%の1,695の構造変異の位置を精査しました.
- ヒト参照ゲノムに存在しない525の新しい挿入配列を発見した.
- かなりの位置の複雑性と,ゲノムを形作る突然変異過程の洞察を明らかにした.
結論:
- ヒトの構造的多様性の最初の高解像度シーケンスマップを確立しました.
- ゲノタイプ化プラットフォームと将来の個々のゲノム配列の標準を提供した.
- 多様な祖先における構造的変化の流行と新奇性を強調した.
関連する概念動画
Next-generation Sequencing
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.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
Genome Annotation and Assembly
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.
Genomics
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Evolutionary Relationships through Genome Comparisons
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...
Multi-species Conserved Sequences
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved DNA...
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved DNA...
RNA-seq
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 microarray-based...
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...

