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関連する概念動画

Organization of Genes02:07

Organization of Genes

Overview
Organization of Genes02:07

Organization of Genes

Overview
Chromatin Position Affects Gene Expression02:35

Chromatin Position Affects Gene Expression

Chromatin is the massive complex of DNA and proteins packaged inside the nucleus. The complexity of chromatin folding and how it is packaged inside the nucleus greatly influences  access to genetic information. Generally, the nucleus' periphery is considered transcriptionally repressive, while the cell's interior is considered a transcriptionally active area. 
Topologically Associated Domains (TADs)
The 3-dimensional positioning of chromatin in the nucleus influences the timing and level of...
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
Inheritance01:25

Inheritance

Gregor Mendel's pioneering work on the principles of inheritance fundamentally transformed our understanding of how traits are transmitted from generation to generation. His experiments with pea plants laid the groundwork for the discovery of genes, discrete units within organisms that control heredity.
Each gene exists in pairs, and the combination of these genes from both parents forms an individual's genotype. This genotype is a blueprint of potential traits. Examples of genotype traits...
Nucleoid01:24

Nucleoid

The nucleoid represents a structurally and functionally distinct region within prokaryotic cells, where the cell's DNA and associated proteins are housed. Unlike eukaryotic cells, prokaryotes lack a membrane-bound nucleus, and the nucleoid facilitates the organization and accessibility of the genetic material within this constraint. The DNA in most bacteria and archaea exists as a single, circular, double-stranded molecule that is highly compacted through supercoiling and interactions with...

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Updated: Jun 2, 2026

Hi-C: A Method to Study the Three-dimensional Architecture of Genomes.
22:27

Hi-C: A Method to Study the Three-dimensional Architecture of Genomes.

Published on: May 7, 2010

空間的位置づけ;ゲノム機能の新たな次元

Tom Misteli1

  • 1National Cancer Institute, National Institutes of Health, Bethesda, MD 20892 USA. mistelit@mail.nih.gov

Cell
|October 14, 2004
PubMed
まとめ
この要約は機械生成です。

細胞核は,特定の場所に染色体が配置され,組織化されています. この空間的配置は,遺伝子の活動とゲノム安定性に影響を及ぼしますが,正確なメカニズムは不明です.

さらに関連する動画

In vivo Application of the REMOTE-control System for the Manipulation of Endogenous Gene Expression
08:54

In vivo Application of the REMOTE-control System for the Manipulation of Endogenous Gene Expression

Published on: March 29, 2019

3D Multicolor DNA FISH Tool to Study Nuclear Architecture in Human Primary Cells
11:25

3D Multicolor DNA FISH Tool to Study Nuclear Architecture in Human Primary Cells

Published on: January 25, 2020

関連する実験動画

Last Updated: Jun 2, 2026

Hi-C: A Method to Study the Three-dimensional Architecture of Genomes.
22:27

Hi-C: A Method to Study the Three-dimensional Architecture of Genomes.

Published on: May 7, 2010

In vivo Application of the REMOTE-control System for the Manipulation of Endogenous Gene Expression
08:54

In vivo Application of the REMOTE-control System for the Manipulation of Endogenous Gene Expression

Published on: March 29, 2019

3D Multicolor DNA FISH Tool to Study Nuclear Architecture in Human Primary Cells
11:25

3D Multicolor DNA FISH Tool to Study Nuclear Architecture in Human Primary Cells

Published on: January 25, 2020

科学分野:

  • 細胞生物学 細胞生物学
  • ゲノミクスゲノミクスとは
  • 分子生物学は分子生物学である.

背景:

  • ユカリオット細胞核は,遺伝物質が組織されている複雑な臓器細胞です.
  • 核内の染色体の位置は非ランダムで,染色体構造と亜核区間によって影響を受けます.
  • ゲノム調節のための核アーキテクチャの機能的意義は,新たな研究分野である.

研究 の 目的:

  • ゲノム活動と真核細胞核内の安定性における空間的位置づけの役割を調査する.
  • クロマチンのドメインと亜核区間が,遺伝子ロケーションの異なる局所環境にどのように寄与するかを調査する.
  • 核組織の大部分に神秘的な機能に光を当てるために.

主な方法:

  • 先進的な顕微鏡技術を使用して,インターフェーズ核の染色体と染色素組織を視覚化します.
  • 核定位との関係で遺伝子発現とゲノム安定性を評価するために分子生物学ツールを使用します.
  • 特定の亜核コンパートメントが遺伝子場所の局所環境に与える影響を分析する.

主要な成果:

  • 異質な核空間内の染色体の非ランダムな位置づけを証明した.
  • 個々の遺伝子局所によって経験される独特の局所環境を特定した.
  • 空間的位置づけとゲノム活動と安定性を結びつける証拠を提供した.

結論:

  • 核構造は,ゲノム機能を調節する上で重要な役割を果たします.
  • 染色体の空間的組織は,遺伝子活動と全体的なゲノム安定性と密接に関連しています.
  • 核定位がゲノムプロセスに及ぼす影響を完全に解明するために,さらなる研究が必要である.