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関連する概念動画

Transcription Factors02:16

Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
Transcription Factors02:16

Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
RNA Polymerase II Accessory Proteins02:36

RNA Polymerase II Accessory Proteins

Proteins that regulate transcription can do so either via direct contact with RNA Polymerase or through indirect interactions facilitated by adaptors, mediators, histone-modifying proteins, and nucleosome remodelers. Direct interactions to activate transcription is seen in bacteria as well as in some eukaryotic genes. In these cases, upstream activation sequences are adjacent to the promoters, and the activator proteins interact directly with the transcriptional machinery. For example, in...
Eukaryotic Transcription Activators02:42

Eukaryotic Transcription Activators

Transcription activators are proteins that promote the transcription of genes from DNA to RNA. In most cases, these proteins contain two separate domains ‒ a domain that binds to DNA and a domain for activating transcription; however, in some cases, a single domain is responsible for both binding and activation of transcription, as seen in the glucocorticoid receptor and MyoD.
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These domains are...
Transcription Initiation01:47

Transcription Initiation

Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
The promoters and enhancers and their accessory proteins allow tight regulation of...
General Transcription Factors01:30

General Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...

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関連する実験動画

Updated: May 7, 2026

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
07:23

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome

Published on: June 15, 2016

転写因子ターゲットの実践

Frank C P Holstege1, Hans Clevers

  • 1Department of Physiological Chemistry, University Medical Center Utrecht, 3584 CG Utrecht, the Netherlands. f.c.p.holstege@med.uu.nl

Cell
|January 18, 2006
PubMed
まとめ
この要約は機械生成です。

研究者らは,転写因子とその規制性DNA配列の直接標的を特定するための新しい方法を開発した. これらの効率的なテクニックは,複雑な遺伝子規制ネットワークを理解するのに役立ちます.

さらに関連する動画

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
12:54

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation

Published on: March 7, 2018

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
11:32

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter

Published on: March 27, 2020

関連する実験動画

Last Updated: May 7, 2026

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
07:23

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome

Published on: June 15, 2016

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
12:54

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation

Published on: March 7, 2018

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
11:32

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter

Published on: March 27, 2020

科学分野:

  • 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.
  • バイオインフォマティックス

背景:

  • 転写因子 (TF) は,特定のDNA配列に結合することによって遺伝子発現を制御するタンパク質です.
  • 直接的なTFターゲットを特定することは,遺伝子調節と細胞のプロセスを理解するために不可欠です.
  • TF目標の特定のための現在の方法は,複雑で時間がかかることがあります.

研究 の 目的:

  • 転写因子の直接標的を特定するための新規で効率的な方法を提示する.
  • これらのTF目標に関連する規制の配列を特徴づける.
  • 複雑な遺伝子規制ネットワークの解読を容易にする.

主な方法:

  • Hallikas et al.による研究によると, そして,ウェイ et al. TFのターゲット識別のための異なるアプローチを記述します.
  • これらの方法は,実験的技術と計算分析の組み合わせを伴う可能性が高い.
  • 焦点は,TFとゲノムの規制要素の間の直接的な相互作用を特定することにある.

主要な成果:

  • この2つの研究は,ゲノム内の直接的なTF標的を正確に特定するための効率的な方法を提供します.
  • 特定された標的と規制配列は,遺伝子調節に関する洞察を提供します.
  • これらの進歩は,規制ネットワークのより包括的な理解に貢献しています.

結論:

  • 開発された方法は,遺伝子調節ネットワーク分析の分野における重要な前進を表しています.
  • これらの技術は,開発段階にあるものの,研究者のための実用的な効率性を提供します.
  • これらの方法のさらなる精錬は,転写調節をマッピングする私たちの能力を高めるでしょう.