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関連する概念動画

RNA Splicing01:32

RNA Splicing

Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
RNA Splicing01:32

RNA Splicing

Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
Pre-mRNA Processing: RNA Splicing01:32

Pre-mRNA Processing: RNA Splicing

Splicing is the process by which eukaryotic RNA is edited before its translation into protein. The RNA strand transcribed from eukaryotic DNA is called the primary transcript. The primary transcripts that become mRNAs are called precursor messenger RNAs (pre-mRNAs). Eukaryotic pre-mRNA contains alternating sequences of exons and introns. Exons are nucleotide sequences that code for proteins, whereas introns are the non-coding regions. In RNA splicing, introns are removed and exons are bonded...
Alternative RNA Splicing02:18

Alternative RNA Splicing

Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
Alternative RNA Splicing02:18

Alternative RNA Splicing

Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...
Chromatin Structure and RNA Splicing02:41

Chromatin Structure and RNA Splicing

In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...

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関連する実験動画

Updated: Jun 13, 2026

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells
10:06

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

Published on: April 26, 2017

スプライシングコードの解読

Yoseph Barash1, John A Calarco, Weijun Gao

  • 1Biomedical Engineering, Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto M5S 3G4, Canada.

Nature
|May 7, 2010
PubMed
まとめ
この要約は機械生成です。

科学者たちは,組織特異的な代替スプライシングを予測するために,RNA特性を用いてスプライシングコードを開発しました. このコードは,新しいスプライシングパターンと規制メカニズムを明らかにし,病気の研究を支援しています.

さらに関連する動画

Using the E1A Minigene Tool to Study mRNA Splicing Changes
10:25

Using the E1A Minigene Tool to Study mRNA Splicing Changes

Published on: April 22, 2021

関連する実験動画

Last Updated: Jun 13, 2026

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells
10:06

Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells

Published on: April 26, 2017

Using the E1A Minigene Tool to Study mRNA Splicing Changes
10:25

Using the E1A Minigene Tool to Study mRNA Splicing Changes

Published on: April 22, 2021

科学分野:

  • 分子生物学は分子生物学である.
  • ゲノミクスゲノミクスとは
  • バイオインフォマティクス

背景:

  • 代替スプライシングは,生物学的複雑性にとって不可欠です.
  • 代替スプライシングの誤った規制は,ヒトの病気と関連しています.

研究 の 目的:

  • 組織依存の代替スプライシングのための予測的な"スプライシングコード"を組み立てる.
  • 新規のスプライシングパターンと規制プログラムを特定する.
  • 変異を検証した調節配列を発見するために.

主な方法:

  • 計算モデル ("スプライシングコード") の開発.
  • エクソンスプライシングを予測するために数百のRNA特性の分析.
  • 代替スプライシングイベントの全ゲノム分析.

主要な成果:

  • このコードは,何千ものエクソンの組織特異的な代替スプライシングを予測します.
  • スプライシングパターンの新しいクラスと,異なる組織特有の規制プログラムが特定されました.
  • イントロニック特性とトランスクリプト構造変調を含む広範な規制戦略を明らかにした.
  • 無意味な媒介による衰退を介して成人の発現を沈黙させるが,胚形成の間に発現を促進するエクソンを発見した.

結論:

  • "スプライシング・コード"は,代替スプライシング規制を理解するための強力なツールです.
  • ゲノム全体の発見と,規制された代替スプライシングイベントの特徴づけを容易にする.
  • 開発と病気における代替スプライシングの役割についての洞察を提供します.