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From DNA to Protein03:06

From DNA to Protein

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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...
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The Central Dogma01:25

The Central Dogma

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The Central Dogma01:20

The Central Dogma

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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...
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Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

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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.
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Genome Size and the Evolution of New Genes03:21

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Updated: Feb 21, 2026

A Facile Protocol to Generate Site-Specifically Acetylated Proteins in Escherichia Coli
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A Facile Protocol to Generate Site-Specifically Acetylated Proteins in Escherichia Coli

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遺伝子コードの拡張と再プログラム

Jason W Chin1,2

  • 1Medical Research Council Laboratory of Molecular Biology, Cambridge CB2 0QH, UK.

Nature
|October 6, 2017
PubMed
まとめ
この要約は機械生成です。

科学者は タンパク質の構成要素を 自然界の標準を超えて 拡張しています この遺伝子コードの拡張により 新しいタンパク質の工学が可能になり 新しい治療法を作り出し 先進的な研究ツールを可能にします

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Residue-specific Incorporation of Noncanonical Amino Acids into Model Proteins Using an Escherichia coli Cell-free Transcription-translation System
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Residue-Specific Exchange of Proline by Proline Analogs in Fluorescent Proteins: How "Molecular Surgery" of the Backbone Affects Folding and Stability
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Last Updated: Feb 21, 2026

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Residue-specific Incorporation of Noncanonical Amino Acids into Model Proteins Using an Escherichia coli Cell-free Transcription-translation System
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Residue-Specific Exchange of Proline by Proline Analogs in Fluorescent Proteins: How "Molecular Surgery" of the Backbone Affects Folding and Stability
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Residue-Specific Exchange of Proline by Proline Analogs in Fluorescent Proteins: How "Molecular Surgery" of the Backbone Affects Folding and Stability

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科学分野:

  • 生化学と合成生物学
  • タンパク質工学と分子生物学

背景:

  • タンパク質は限られた数のアミノ酸から 自然で合成されます
  • 拡張されたビルディングブロックの 遺伝的コーディングは タンパク質に新しい化学的特性を 提供します

研究 の 目的:

  • 翻訳のエンジニアリングと再接続を 探求するためです
  • 新しいバイオポリマー合成と進化のために 遺伝子コードを再プログラムする
  • 翻訳機械工学とゲノム再コーディングの限界を 試すためだ

主な方法:

  • エンジニアリング翻訳システム
  • 遺伝子コードの再編成
  • ゲノム再コーディングのための戦略の開発

主要な成果:

  • 新しいタンパク質の性質を可能にします
  • タンパク質の研究,操作,進化の変容
  • タンパク質の機能の探知,イメージング,制御のアプリケーションを可能にします.
  • 治療の精密工学について

結論:

  • 遺伝子コードの拡張は タンパク質科学に変化をもたらしています
  • 新しい戦略は,新しいバイオポリマーのための翻訳を再プログラムすることを目的としています.
  • トランスレーションマシーンを設計し 系統的にゲノムを再コードする能力