ヒトゲノムの配列についてです
J C Venter1, M D Adams, E W Myers
1Celera Genomics, 45 West Gude Drive, Rockville, MD 20850, USA. humangenome@celera.com
まとめ
人間のゲノム配列は3万8000以上のタンパク質をコードするトランスクリプトと数百万の単核酸ポリモルフィズム (SNP) を明らかにし,進化と病気の洞察を提供します. この包括的なヒトゲノムマップは,将来の遺伝子研究のための基盤を提供します.
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:
- ヒューマンゲノムプロジェクトは,全ヒトゲノムの配列を解析することを目的とした.
- 人間のゲノムを理解することは,医学と生物学を進歩させるために不可欠です.
研究 の 目的:
- ヒトゲノムのユークロマティック部分の高品質で包括的な配列を生成する.
- タンパク質をコードするトランスクリプトと,単核酸ポリモルフィズム (SNP) のような遺伝的変異を識別する.
主な方法:
- 5人の個体のDNAの全ゲノムショットガン配列解析です.
- 2つのアセンブリ戦略を使用して,セレラとパブリックゲノムからの配列データを組み合わせた.
- 配列の解析は遺伝子識別とSNP発見に役立ちます.
主要な成果:
- 2.91億塩基対 (bp) のコンセンサス配列のヒトゲノムが生成されました.
- 強力な証拠と12,000の追加の予測遺伝子を持つ26,588のタンパク質をコードするトランスクリプトを特定しました.
- 2,100万の単核酸ポリモルフィズム (SNP) が発見され,重要なゲノム異質性を明らかにした.
結論:
- 生成されたヒトゲノム配列は,ユークロマティック領域を効果的にカバーし,詳細な地図を提供します.
- この発見は,遺伝子分布,ノンコーディングDNA,セグメンタル複製,進化史に光を当てています.
- 多くのSNPの識別は,ヒトの遺伝的多様性とその機能的影響を研究するためのリソースを提供します.
さらに関連する動画
関連する概念動画
Genomic DNA in Eukaryotes
Eukaryotes have large genomes compared to prokaryotes. To fit their genomes into a cell, eukaryotic DNA is packaged extraordinarily tightly inside the nucleus. To achieve this, DNA is tightly wound around proteins called histones, which are packaged into nucleosomes that are joined by linker DNA and coil into chromatin fibers. Additional fibrous proteins further compact the chromatin, which is recognizable as chromosomes during certain phases of cell division.
Organization of Genes
Overview
Organization of Genes
Overview
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...
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.
Genetic Material
Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.


