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相关概念视频

The Replisome03:01

The Replisome

33.4K
DNA replication is carried out by a large complex of proteins that act in a coordinated matter to achieve high-fidelity DNA replication. Together this complex is known as the DNA replication machinery or the replisome.
The synthesis of the leading and lagging strands is a highly coordinated process. To explain this, the “Trombone model” was proposed by Bruce Alberts in 1980. The DNA loop formation starts when a primer is synthesized on the parent lagging strand. The loop grows with...
33.4K
Replication in Prokaryotes01:32

Replication in Prokaryotes

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DNA replication has three main steps: initiation, elongation, and termination. Replication in prokaryotes begins when initiator proteins bind to the single origin of replication (ori) on the cell's circular chromosome. Replication then proceeds around the entire circle of the chromosome in each direction from the two replication forks, resulting in two DNA molecules.
Many Proteins Work Together to Replicate the Chromosome
Replication is coordinated and carried out by a host of specialized...
24.9K

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相关实验视频

Updated: Jun 27, 2025

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

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可编程体组件的基于DNA的复制.

Steven van Kesteren1, Pascal Diethelm1, Se-Hyeong Jung1

  • 1Laboratory for Soft Materials and Interfaces, Department of Materials, ETH Zurich, Zurich, 8093, Switzerland.

Small (Weinheim an der Bergstrasse, Germany)
|May 1, 2024
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种方法,利用DNA涂层的合物复制微型粒子组件. 这一突破可以创建复杂的合成结构,为先进的材料和人工生命系统铺平道路.

关键词:
这是DNA-Colloids的结合物.合体分子的合体分子.复制复制复制复制复制复制复制自动组装的自动组装机

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Folding and Characterization of a Bio-responsive Robot from DNA Origami
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DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

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相关实验视频

Last Updated: Jun 27, 2025

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

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Folding and Characterization of a Bio-responsive Robot from DNA Origami
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DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
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科学领域:

  • 材料科学 材料科学 材料科学
  • 合成生物学 合成生物学
  • 纳米技术 纳米技术

背景情况:

  • 大自然利用复制来创造复杂的生物结构.
  • 微尺度系统的合成复制仍然是一个重大挑战.
  • 以往使用核酸结构的尝试取得了有限的成功.

研究的目的:

  • 展示复制微尺度粒子组件的功能策略.
  • 为了利用DNA涂层的合体进行可编程自组装和复制.
  • 探索合成结构指数自复制的途径.

主要方法:

  • 采用DNA功能化合物和毛细血管力来精确定位粒子.
  • 在聚合物层中嵌入粒子,以创建可编程序列,作为原料.
  • 使用交叉链接,流量细胞计分类和基于悬浮的结合用于复制和净化.

主要成果:

  • 在复制的DNA-合体序列中达到高达81%的纯度.
  • 成功复制了多达五个合体和非线性形状的线性字符串.
  • 证明了与不同大小和材料的粒子的复制.

结论:

  • 建立了一种可行的方法来复制合成微观粒子组件.
  • 展示了通过DNA介导的自我组装来创建复杂,可编程结构的潜力.
  • 概述了一条通往指数自复制的道路,并提供了第二代组装的初步证据.