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関連する概念動画

Nucleic Acid Structure01:25

Nucleic Acid Structure

The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
DNA Structure
DNA has a double-helix structure. The...
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...
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...
Anionic Chain-Growth Polymerization: Overview01:20

Anionic Chain-Growth Polymerization: Overview

The polymerization process that involves carbanion as an intermediate is called anionic polymerization. It is also a type of addition or chain-growth polymerization. Anionic polymerization gets initiated by a strong nucleophile such as an organolithium or a Grignard reagent. The most commonly used initiator for anionic polymerization is butyl lithium. Monomers involved in anionic polymerization must possess a vinyl group bonded to one or two electron-withdrawing groups. For instance,...
Nucleic Acids and Nucleotides01:20

Nucleic Acids and Nucleotides

Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and have instructions for its functioning. The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Deoxyribonucleic Acid (DNA)
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 the organelles such as chloroplasts and mitochondria. In...
ATP and Macromolecule Synthesis01:28

ATP and Macromolecule Synthesis

Biological macromolecules are organic compounds, predominantly composed of carbon atoms. The carbon atoms are covalently bonded with hydrogen, oxygen, nitrogen, and other minor elements. There are four major biological macromolecule classes: carbohydrates, lipids, proteins, and nucleic acids.
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...

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関連する実験動画

Updated: Jun 13, 2026

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism
11:37

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism

Published on: July 28, 2017

オリゴピレノチド (Oligopyrenotides):アビオティックなポリアニオン性オリゴーマーで,核酸のような構造特性を有する.

Robert Häner1, Florian Garo, Daniel Wenger

  • 1Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland. robert.haener@ioc.unibe.ch

Journal of the American Chemical Society
|May 13, 2010
PubMed
まとめ

オリゴピレノチドは,新しいアビオティック核酸を模倣し,ピレンスタッキングを通じて安定したハイブリッドを形成し,DNAとRNAの行動を反映します. これらの化合物は,人工自己複製システムを設計する可能性を秘めています.

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Chemical Triphosphorylation of Oligonucleotides
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関連する実験動画

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Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism
11:37

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism

Published on: July 28, 2017

Gene-therapy Inspired Polycation Coating for Protection of DNA Origami Nanostructures
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Chemical Triphosphorylation of Oligonucleotides
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Chemical Triphosphorylation of Oligonucleotides

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科学分野:

  • * 超分子化学について
  • * 合成生物学について
  • * 天体生物学 (アストロバイオロジー)

背景:

  • * 核酸 (DNAとRNA) は生命にとって不可欠であり,遺伝情報を保存し,伝達します.
  • * 核酸の機能を模倣する人工システムは,生命の起源を理解し,新しい技術を開発するために不可欠です.
  • * 核酸のような性質を持つアビオティック分子を設計することは,合成生物学における重要な課題です.

研究 の 目的:

  • * アビオティックオリゴマーの新種であるオリゴピレノチドの合成と性質を記述する.
  • * オリゴピレノチドと天然の核酸の構造的な類似性を調査する.
  • *人工自己複製システムのモデルシステムとしてのオリゴピレノチドの可能性を評価する.

主な方法:

  • *キラル1,2-ダイアミノサイクロヘキサン単位で,フォスフォディエステル結合ピレン構成要素の合成.
  • * オリゴマーの相互作用を評価するために,水溶液での混合化研究.
  • * ハイブリダイゼーションの安定性を分析するための熱性デナチュレーションおよびリナチュレーション実験.
  • *塩分濃度依存構造的多形体の調査.

主要な成果:

  • * オリゴピレノチドが成功して合成され,核酸と構造的に類似している.
  • * 安定したハイブリッドが水溶液で形成され,ピレンの堆積相互作用によって引き起こされた.
  • * オリゴピレノチドは,DNAやRNAに似た熱性デナチュレーション/リナチュレーション行動を示した.
  • *塩の濃度は,オリゴピレノチドの構造的多形性に影響した.

結論:

  • * オリゴピレノチドは,アビオティック分子の一種であり,核酸と構造的・機能的に有意に類似している.
  • *彼らのハイブリッド化と多形態的行動は,核酸の原理を研究するための優れたモデルシステムにしています.
  • *これらの発見は,人工自己複製システムと合成生命体の設計への道を開く.