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Cell Specific Gene Expression01:58

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
Cell Specific Gene Expression01:58

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
What is Gene Expression?01:42

What is Gene Expression?

Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
What is Gene Expression?01:42

What is Gene Expression?

Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
What is Gene Expression?01:36

What is Gene Expression?

A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is comprised  of nucleotides and proteins are comprised of amino acids, a mediator is required to convert the information encoded in DNA into proteins. This mediator is the messenger RNA (mRNA). mRNA copies the blueprint from DNA by a process called transcription. In eukaryotes, transcription occurs in the nucleus by complementary base-pairing with the DNA template. The mRNA is then processed and...
Regulation of Expression at Multiple Steps01:23

Regulation of Expression at Multiple Steps

The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the addition of a...

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関連する実験動画

Updated: May 17, 2026

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

世界的な遺伝子発現分析を再考する.

Jakob Lovén1, David A Orlando, Alla A Sigova

  • 1Whitehead Institute for Biomedical Research, 9 Cambridge Center, Cambridge, MA 02142, USA.

Cell
|October 30, 2012
PubMed
まとめ
この要約は機械生成です。

遺伝子発現分析における一般的な仮定は,グローバルな遺伝子発現データの誤った解釈につながる可能性があります. この研究は,これらの問題に対処し,複数のプラットフォームでデータの正確性を向上させるためのソリューションを提供しています.

さらに関連する動画

Global Gene Expression Analysis Using a Zebrafish Oligonucleotide Microarray Platform
13:14

Global Gene Expression Analysis Using a Zebrafish Oligonucleotide Microarray Platform

Published on: August 10, 2009

Analyzing Multifactorial RNA-Seq Experiments with DiCoExpress
05:22

Analyzing Multifactorial RNA-Seq Experiments with DiCoExpress

Published on: July 29, 2022

関連する実験動画

Last Updated: May 17, 2026

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

Global Gene Expression Analysis Using a Zebrafish Oligonucleotide Microarray Platform
13:14

Global Gene Expression Analysis Using a Zebrafish Oligonucleotide Microarray Platform

Published on: August 10, 2009

Analyzing Multifactorial RNA-Seq Experiments with DiCoExpress
05:22

Analyzing Multifactorial RNA-Seq Experiments with DiCoExpress

Published on: July 29, 2022

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:

  • 遺伝子発現分析は,生物学的システムと病気を理解するために不可欠です.
  • 現在の慣行は,欠陥のある仮定を埋め込む可能性があります.
  • 世界的な遺伝子発現データに関する誤った解釈は,ますます懸念される問題となっています.

研究 の 目的:

  • 遺伝子発現分析における一般的な仮定を特定し,議論する.
  • 遺伝子発現データの誤った解釈を最小限に抑えるための解決策を提案する.
  • 遺伝子発現データ分析の信頼性を高めるために.

主な方法:

  • 遺伝子発現分析における現在の実験的および分析的慣行のレビュー.
  • 基礎となる仮定の特定.
  • 修正戦略と解決策の開発.

主要な成果:

  • 遺伝子発現分析における一般的な仮定は,重大な誤解につながる可能性があります.
  • 特定の分析や実験の実践は,これらのエラーに容易である.
  • 提案されたソリューションは,より正確なデータ解釈への経路を提供します.

結論:

  • 埋め込まれた仮定に対処することは,正確な遺伝子発現分析に不可欠です.
  • 提案されたソリューションを実装することで,データの完全性を向上させることができます.
  • この研究は,グローバルな遺伝子発現データの解釈を洗練することを目的としています.