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関連する概念動画

The Central Dogma01:25

The Central Dogma

Overview
From DNA to Protein03:06

From DNA to Protein

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...
The Central Dogma01:25

The Central Dogma

Overview
Nucleic Acids02:43

Nucleic Acids

Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes, the...
The Central Dogma01:20

The Central Dogma

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...
The Central Dogma01:20

The Central Dogma

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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関連する実験動画

Updated: May 7, 2026

Genetic Barcoding with Fluorescent Proteins for Multiplexed Applications
13:14

Genetic Barcoding with Fluorescent Proteins for Multiplexed Applications

Published on: April 14, 2015

遺伝的にコードされた光アミノ酸です.

Jiangyun Wang1, Jianming Xie, Peter G Schultz

  • 1Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, USA.

Journal of the American Chemical Society
|July 6, 2006
PubMed
まとめ

研究者らはE. coliの光アミノ酸を遺伝子でコードした. この新しい探査機は,タンパク質の局所化,構成,相互作用を研究するために使用することができます.

科学分野:

  • バイオケミストリー バイオケミストリー
  • 分子生物学は分子生物学である.
  • バイオフィジックス 生物物理学

背景:

  • 遺伝子でコードされた光アミノ酸は,生物学的システムを研究するための強力なツールを提供します.
  • 不自然なアミノ酸のサイト固有の組み込みは,タンパク質の機能の詳細な調査を可能にします.
  • アンバーのTAGコドンは,非正規のアミノ酸の組み込みのために広く使用されるシステムです.

研究 の 目的:

  • E. coli. の光アミノ酸l-(7-hydroxycoumarin-4-yl) エチルグリシン (1) を遺伝子でコードする.
  • この新しい光アミノ酸の生物学的システムにおける探査機としての有用性を評価する.

主な方法:

  • 珀色TAGコドンシステムを利用して,光アミノ酸のサイト固有の組み込みを行いました.
  • 合成E. coli菌株を,非自然なアミノ酸の存在下で育てました.
  • 組み込まれたアミノ酸の光特性を特徴づけた.

主要な成果:

  • 遺伝的にコードされたl-(7-hydroxycoumarin-4-yl) ethylglycine (1) をE. coliで成功裏に生成した.
  • 組み込まれたアミノ酸は高光量子収量と大きなストークのシフトを示しています.

さらに関連する動画

Optical Control of a Neuronal Protein Using a Genetically Encoded Unnatural Amino Acid in Neurons
08:20

Optical Control of a Neuronal Protein Using a Genetically Encoded Unnatural Amino Acid in Neurons

Published on: March 28, 2016

Optimizing the Genetic Incorporation of Chemical Probes into GPCRs for Photo-crosslinking Mapping and Bioorthogonal Chemistry in Live Mammalian Cells
14:02

Optimizing the Genetic Incorporation of Chemical Probes into GPCRs for Photo-crosslinking Mapping and Bioorthogonal Chemistry in Live Mammalian Cells

Published on: April 9, 2018

関連する実験動画

Last Updated: May 7, 2026

Genetic Barcoding with Fluorescent Proteins for Multiplexed Applications
13:14

Genetic Barcoding with Fluorescent Proteins for Multiplexed Applications

Published on: April 14, 2015

Optical Control of a Neuronal Protein Using a Genetically Encoded Unnatural Amino Acid in Neurons
08:20

Optical Control of a Neuronal Protein Using a Genetically Encoded Unnatural Amino Acid in Neurons

Published on: March 28, 2016

Optimizing the Genetic Incorporation of Chemical Probes into GPCRs for Photo-crosslinking Mapping and Bioorthogonal Chemistry in Live Mammalian Cells
14:02

Optimizing the Genetic Incorporation of Chemical Probes into GPCRs for Photo-crosslinking Mapping and Bioorthogonal Chemistry in Live Mammalian Cells

Published on: April 9, 2018

  • 光はpHや極性などの環境要因に敏感です.

    • 結論:

    • 遺伝的にコードされた光アミノ酸l-(7-ヒドロキシクマリン-4-イル) エチルグリシン (1) は,貴重な新しいツールです.
    • その性質により,タンパク質の局所化,密輸,形状,相互作用を調査するのに適しています.