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関連する概念動画

Synthetic Biology02:55

Synthetic Biology

Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Propagation of Waves01:07

Propagation of Waves

When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Lagging Strand Synthesis01:59

Lagging Strand Synthesis

During replication, the complementary strands in double-stranded DNA are synthesized at different rates. Replication first begins on the leading strand. Replication starts later, occurs more slowly, and proceeds discontinuously on the lagging strand.
There are several major differences between synthesis of the leading strand and synthesis of the lagging strand. 1) Leading strand synthesis happens in the direction of replication fork opening, whereas lagging strand synthesis happens in the...
Lagging Strand Synthesis01:59

Lagging Strand Synthesis

During replication, the complementary strands in double-stranded DNA are synthesized at different rates. Replication first begins on the leading strand. Replication starts later, occurs more slowly, and proceeds discontinuously on the lagging strand.
There are several major differences between synthesis of the leading strand and synthesis of the lagging strand. 1) Leading strand synthesis happens in the direction of replication fork opening, whereas lagging strand synthesis happens in the...

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関連する実験動画

Updated: May 10, 2026

A Multilayer Microfluidic Platform for the Conduction of Prolonged Cell-Free Gene Expression
11:23

A Multilayer Microfluidic Platform for the Conduction of Prolonged Cell-Free Gene Expression

Published on: October 6, 2019

合成生化学ネットワークにおける空間波

Adrien Padirac1, Teruo Fujii, André Estévez-Torres

  • 1LIMMS/CNRS-IIS, The University of Tokyo , Komaba 4-6-2, Meguro-ku, Tokyo 153-8505, Japan.

Journal of the American Chemical Society
|June 5, 2013
PubMed
まとめ

研究者はDNAと酵素を用いて,移動する化学波とスパイラルを観察した. この画期的な研究は,実験室での捕食者-獲物の化学的動態を実証し,化学的パターンの形成を研究するための新しい道を開きます.

科学分野:

  • 化学的運動学 化学的運動学
  • バイオケミストリー バイオケミストリー
  • システム化学 システム化学

背景:

  • 化学反応ネットワークは,複雑なシステムを理解する上で極めて重要です.
  • 空間時的パターン形成は,化学と生物学における基本的な概念である.
  • 以前の研究ではパターンの形成が調査されていますが,ボトムアップ化学ネットワークにおける捕食者-獲物の波の実験的観測は新しいものです.

研究 の 目的:

  • 合成化学反応ネットワークで移動する濃度波とスパイラルを実験的に観察する.
  • ボトムアップのアプローチを使用して,実験室環境で捕食者-獲物のダイナミクスを実証する.
  • 化学における時空秩序形成の研究のための調整可能なプラットフォームを提供すること.

主な方法:

  • 結合性のためにDNAオリゴヌクレオチド,反応性のために精製された酵素を用いて化学反応ネットワークを構築する.
  • 捕食者-獲物の振動器メカニズムを使用しています.
  • 顕微鏡と画像分析を使用して波速を測定する.

主要な成果:

  • 設計された化学ネットワークで移動する濃度波とスパイラルを成功裏に観測した.
  • 実験室での捕食者-獲物の波の最初の実験的観測を実証しました.

さらに関連する動画

Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays
14:06

Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays

Published on: November 12, 2012

Construction of Out-of-Equilibrium Metabolic Networks in Nano- and Micrometer-Sized Vesicles
10:56

Construction of Out-of-Equilibrium Metabolic Networks in Nano- and Micrometer-Sized Vesicles

Published on: April 12, 2024

関連する実験動画

Last Updated: May 10, 2026

A Multilayer Microfluidic Platform for the Conduction of Prolonged Cell-Free Gene Expression
11:23

A Multilayer Microfluidic Platform for the Conduction of Prolonged Cell-Free Gene Expression

Published on: October 6, 2019

Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays
14:06

Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays

Published on: November 12, 2012

Construction of Out-of-Equilibrium Metabolic Networks in Nano- and Micrometer-Sized Vesicles
10:56

Construction of Out-of-Equilibrium Metabolic Networks in Nano- and Micrometer-Sized Vesicles

Published on: April 12, 2024

  • 波の速度を測定した波長は80~400μmmin-1) の範囲です.
  • 実験結果と定量的に一致する反応拡散モデルを開発した.

    • 結論:

    • ボトムアップの化学反応ネットワーク,特に核酸ベースのネットワークは,波やスパイラルのような複雑な時空の行動を示すことができます.
    • 捕食者-獲物の振動器機構は,このようなダイナミックなパターンを生成するのに有効です.
    • 核酸反応ネットワークは,調節可能なパラメータ (トポロジー,速度定数,拡散係数) を提供し,時空秩序形成原理の研究を容易にする.