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関連する概念動画

From DNA to Protein03:06

From DNA to Protein

23.9K
The flow of genetic information in cells from DNA to mRNA to protein is described by the central dogma, which states that genes specify the sequence of mRNAs, which in turn specify the sequence of amino acids making up all proteins. The decoding of one molecule to another is performed by specific proteins and RNAs. Because the information stored in DNA is so central to cellular function, it makes intuitive sense that the cell would make mRNA copies of this information for protein synthesis...
23.9K
The Central Dogma01:25

The Central Dogma

143.8K
Overview
143.8K
The Central Dogma01:20

The Central Dogma

35.0K
The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...
35.0K
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

14.8K
Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA...
14.8K
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

4.6K
4.6K
Translation01:31

Translation

159.0K
Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of...
159.0K

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関連する実験動画

Updated: Mar 12, 2026

Deciphering Molecular Mechanism of Histone Assembly by DNA Curtain Technique
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ALS の 解読: 遺伝子 から 仕組み へ

J Paul Taylor1, Robert H Brown2, Don W Cleveland3,4

  • 1Howard Hughes Medical Institute and the Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, Tennessee 38105, USA.

Nature
|November 11, 2016
PubMed
まとめ
この要約は機械生成です。

アミオトロフィック横筋硬化症 (ALS) は致命的な神経変性疾患です. 遺伝的要因や 細胞の機能不全 RNA代謝の問題などに注目し 将来の治療法への希望を示しています

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関連する実験動画

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An Allele-specific Gene Expression Assay to Test the Functional Basis of Genetic Associations
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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
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科学分野:

  • 神経科学
  • 遺伝学
  • 細胞生物学

背景:

  • アミオトロフィック横筋硬化症 (ALS) は進行性で致命的な神経変性疾患です.
  • ALSの特徴は モーターニューロンの退化です
  • 遺伝的要因は ALS の発症,感受性,進行を大きく左右する.

研究 の 目的:

  • ALSにおける遺伝因子と細胞メカニズムの現在の理解をレビューする.
  • ALSの病原性に関する新しいテーマを強調する.
  • 将来の治療開発に関して 楽観的な根拠を提供するためです

主な方法:

  • ALSの遺伝因子の文献レビュー
  • 細胞機能障害のテーマを分析する.
  • ALSにおけるRNA代謝とタンパク質ホメオスタシスに関する現在の知識の統合

主要な成果:

  • 多くの遺伝的要因が ALS に関わっている.
  • 主要な細胞機能障害には,RNA代謝とタンパク質ホメオスタシスの障害が含まれます.
  • 特定の欠陥には,核サイトプラズマの密輸,エンドプラズマ網膜のストレス,およびリボヌクレオプロテインの体力学が含まれます.

結論:

  • ALSの生物学的な理解は急速に進んでいます
  • ALS に関する重要な細胞経路を 新興の研究が示しています
  • 基礎科学 の 進歩 は,ALS の 効果的な 治療法 の 開発 に 希望 を 与え て い ます.