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関連する概念動画

Complementary DNA01:44

Complementary DNA

Overview
DNA as a Genetic Template02:05

DNA as a Genetic Template

Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
Sanger Sequencing01:57

Sanger Sequencing

DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
Maxam-Gilbert Sequencing01:05

Maxam-Gilbert Sequencing

In the same year as the discovery of the Sanger sequencing method, another group of scientists, Allan Maxam and Walter Gilbert, demonstrated their chemical-cleavage method for DNA sequencing. The Maxam-Gilbert method relies on using different chemicals that can cleave the DNA sequence at specific sites, the separation of resulting DNA fragments of variable size using electrophoresis, and deciphering the DNA sequence from the resulting gel bands.
Challenges of the Maxam-Gilbert Method
The...
DNA as a Genetic Template02:05

DNA as a Genetic Template

Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...

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関連する実験動画

Updated: Jul 11, 2026

Automated Robotic Liquid Handling Assembly of Modular DNA Devices
11:22

Automated Robotic Liquid Handling Assembly of Modular DNA Devices

Published on: December 1, 2017

DNAテンプレートによってプログラムされた多段階の小分子合成.

Zev J Gartner1, Matthew W Kanan, David R Liu

  • 1Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA.

Journal of the American Chemical Society
|August 29, 2002
PubMed
まとめ
この要約は機械生成です。

研究者らは,小さな分子を作るために,新しいDNAテンプレート合成方法を開発しました. このブレークスルーにより,多段階の合成が可能になり,DNA配列を潜在的プレバイオティクスの応用のための機能的な製品に変換します.

さらに関連する動画

Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
09:26

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

Published on: December 29, 2021

関連する実験動画

Last Updated: Jul 11, 2026

Automated Robotic Liquid Handling Assembly of Modular DNA Devices
11:22

Automated Robotic Liquid Handling Assembly of Modular DNA Devices

Published on: December 1, 2017

Design and Synthesis of a Reconfigurable DNA Accordion Rack
07:44

Design and Synthesis of a Reconfigurable DNA Accordion Rack

Published on: August 15, 2018

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
09:26

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

Published on: December 29, 2021

科学分野:

  • 合成生物学 合成生物学とは
  • オーガニック・ケミストリー オーガニック・ケミストリー
  • 分子進化は分子進化である.

背景:

  • DNAテンプレート合成は,合成分子の進化に不可欠です.
  • 以前の方法には,多段階合成と製品分離のための効率的な戦略が欠けていました.

研究 の 目的:

  • シーケンス固有のDNAテンプレート合成のための一般的なリンク器と浄化戦略を開発する.
  • 最初の多段階の核酸テンプレート小分子合成を実現するために.

主な方法:

  • 新しいリンク器と浄化技術を開発した.
  • 配列特異合成のためのDNAテンプレートを使用した.
  • 翻訳,選択,増幅の繰り返しサイクルを実行した.

主要な成果:

  • DNAテンプレート反応産物を成功裏に分離し,浄化しました.
  • 核酸によってテンプレートされた2つの異なる小分子による最初の多段階合成を達成した.
  • 隔離された製品が,DNAテンプレートによる反応を繰り返す能力を実証した.

結論:

  • DNA配列を複数段階の合成製品に変換するための堅牢な方法を確立しました.
  • 核酸テンプレート反応を含むプレバイオティック合成のモデルを支持する実験的証拠を提供した.
  • 複雑な分子を作り,生命の初期化学を理解するための新しい道を開いた.