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関連する概念動画

Amplifying Signals via Enzymatic Cascade01:22

Amplifying Signals via Enzymatic Cascade

When a ligand binds to a cell-surface receptor, the receptor's intracellular domain changes shape, which may either activate its enzyme function or allow its binding to other molecules. The initial signal is amplified by most signal transduction pathways. This means that a single ligand molecule can activate multiple molecules of a downstream target. Proteins that relay a signal are most commonly phosphorylated at one or more sites, activating or inactivating the protein. Kinases catalyze the...
PCR01:32

PCR

Overview
Combinatorial Gene Control02:33

Combinatorial Gene Control

Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
What is Genetic Engineering?00:49

What is Genetic Engineering?

Overview
Cascaded Op Amps01:16

Cascaded Op Amps

Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
Small-Signal Analysis of MOSFET Amplifiers01:23

Small-Signal Analysis of MOSFET Amplifiers

In small-signal analysis, a MOSFET transistor amplifier acts as a linear amplifier when operating in its saturation region. The gate-to-source voltage (VGS) of the MOSFET is the sum of the DC biasing voltage and the small time-varying input signal. This combination sets up the operating point and modulates the drain current (ID) that flows from the drain to the source. When a small AC signal is superimposed on the DC bias voltage at the gate, the instantaneous drain current comprises three...

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関連する実験動画

Updated: May 12, 2026

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins
10:46

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins

Published on: October 18, 2022

遺伝的論理の門を拡大する.

Jerome Bonnet1, Peter Yin, Monica E Ortiz

  • 1Department of Bioengineering, Y2E2-269B, 473 Via Ortega, Stanford, CA 94305-4201, USA.

Science (New York, N.Y.)
|March 30, 2013
PubMed
まとめ
この要約は機械生成です。

科学者たちは,遺伝的論理の正確な制御のために,バクテリオファージのセリン・インテグラゼを用いたトランスクリプト装置を設計した. このイノベーションは,遺伝子転写を調節するための増幅ロジックゲートを作成することによって,プログラム可能な合成生物学アプリケーションを可能にします.

さらに関連する動画

Plasmid-derived DNA Strand Displacement Gates for Implementing Chemical Reaction Networks
07:50

Plasmid-derived DNA Strand Displacement Gates for Implementing Chemical Reaction Networks

Published on: November 25, 2015

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: May 12, 2026

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins
10:46

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins

Published on: October 18, 2022

Plasmid-derived DNA Strand Displacement Gates for Implementing Chemical Reaction Networks
07:50

Plasmid-derived DNA Strand Displacement Gates for Implementing Chemical Reaction Networks

Published on: November 25, 2015

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
  • 分子生物学は分子生物学である.
  • 遺伝子工学 遺伝子工学とは

背景:

  • 生物は生存のために環境と発達信号を処理する.
  • 合成遺伝的論理は,生物学的プロセスに対する制御を提供します.

研究 の 目的:

  • 遺伝子転写を制御するための新しいデバイスアーキテクチャを開発する.
  • 生物学的応用のための合成遺伝的論理ゲートを設計する.

主な方法:

  • トランスクリプターと呼ばれる3端末の装置を開発した.
  • バクテリオファージのセリン・インテグラーゼを用いてDNA配列を調節した.
  • エンジニアリングされたDNA構造は,転写ターミネーターとプロモーターをコーディングします.

主要な成果:

  • 永続的に増幅するAND,NAND,OR,XOR,NOR,XNORの論理ゲートを実証した.
  • DNAのコード化論理状態を用いたセル・セル間の自律的なコミュニケーションを達成した.
  • 生物体内および生物体間での転写率の制御を示した.

結論:

  • トランスクリプトは,遺伝子発現の正確でプログラム可能な制御を可能にします.
  • この単層のデジタルロジックアーキテクチャは,合成生物学を進歩させています.
  • 多様な生物システムの論理ゲートのエンジニアリングを容易にする.