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相关概念视频

Assembly of Cytoskeletal Filaments01:18

Assembly of Cytoskeletal Filaments

28.0K
Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate with other similar filaments to form rigid structures. Microfilaments, made of actin monomers, rely on actin-binding proteins to form bundles and create networks of individual actin filaments. Microtubules rely on microtubule-associated proteins (MAPs) to form sturdy cylindrical structures. However, the proteins involved in forming complex...
28.0K
Studying the Cytoskeleton01:17

Studying the Cytoskeleton

10.3K
The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
10.3K
RNA Structure01:23

RNA Structure

79.6K
Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
79.6K
Introduction to the Cytoskeleton01:33

Introduction to the Cytoskeleton

38.5K
Overview of the Cytoskeleton
The cytoskeleton is a network of protein filaments present within the cell, having three distinct filaments ̶   microfilaments, microtubules, and intermediate filaments. Each has characteristic features that distinguish them, including the dynamics of their assembly and disassembly, mechanical properties, polarity, and the type of molecular motors associated with them. Earlier, they were thought to be present only in eukaryotic cells; however, their...
38.5K
Adaptability of Cytoskeletal Filaments01:12

Adaptability of Cytoskeletal Filaments

6.2K
The cytoskeleton is a complex dynamic structure performing varied functions based on cellular requirements. The adaptability of the individual filaments in the cytoskeleton determines their ability to perform various functions within the cell. It can undergo rapid reorganization during processes like cell division or remain stable for several hours as in the interphase. The adaptability of these filaments depends on stringent regulatory mechanisms. The microfilament and microtubules of the...
6.2K
Generation of Straight or Branched Actin Filaments01:14

Generation of Straight or Branched Actin Filaments

3.9K
The straight or branched structure formation of actin filaments is controlled by nucleating proteins such as the formins and Arp2/3 complex. Formin-mediated assembly results in straight filaments, whereas Arp2/3 protein complex-mediated assembly results in branched actin filaments.
Arp2/3 Complex
Arp2/3 complex is a seven-subunit complex consisting of two proteins similar to actin- Arp2 and Arp3, and five other subunits that help keep Arp2 and Arp3 inactive. When required, the complex is...
3.9K

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相关实验视频

Updated: Mar 3, 2026

Folding and Characterization of a Bio-responsive Robot from DNA Origami
07:59

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Published on: December 3, 2015

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使用基于RNA原形的纳米管开发人工细胞骨.

Tanvir Ahmed1, Kazi Tasnuva Alam1

  • 1Department of Pharmaceutical Sciences, School of Health and Life Sciences, North South University, Plot 15, Block B, Bashundhara R/A, Dhaka 1229, Bangladesh.

Progress in biophysics and molecular biology
|March 1, 2026
PubMed
概括
此摘要是机器生成的。

研究人员正在使用RNA原始纳米管设计人工细胞骨,以模仿细胞结构. 这项技术为纳米技术和合成生物学应用提供了潜力,推动了仿生网络的发展.

关键词:
人工细胞骨的人工细胞骨纳米管是一种纳米管.在RNA原始化过程中,RNA原始化脚手架 脚手架是一个脚手架.

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Designing a Bio-responsive Robot from DNA Origami
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Designing a Bio-responsive Robot from DNA Origami

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Production of Dynein and Kinesin Motor Ensembles on DNA Origami Nanostructures for Single Molecule Observation
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Production of Dynein and Kinesin Motor Ensembles on DNA Origami Nanostructures for Single Molecule Observation

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相关实验视频

Last Updated: Mar 3, 2026

Folding and Characterization of a Bio-responsive Robot from DNA Origami
07:59

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Published on: December 3, 2015

15.2K
Designing a Bio-responsive Robot from DNA Origami
13:32

Designing a Bio-responsive Robot from DNA Origami

Published on: July 8, 2013

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Production of Dynein and Kinesin Motor Ensembles on DNA Origami Nanostructures for Single Molecule Observation
08:09

Production of Dynein and Kinesin Motor Ensembles on DNA Origami Nanostructures for Single Molecule Observation

Published on: October 15, 2019

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科学领域:

  • 生物技术是生物技术.
  • 纳米技术纳米技术
  • 合成生物学 合成生物学

背景情况:

  • 细胞骨对于细胞结构,运输和机械反应至关重要.
  • 合成模仿细胞骨的应用在纳米技术和治疗学.
  • RNA原形为纳米级架构提供了一个可编程的支架.

研究的目的:

  • 审查人工细胞骨的工程,使用基于RNA原形的纳米管.
  • 探索RNA对DNA的优势,用于仿生结构.
  • 讨论设计策略,对纳米管属性的控制和潜在的应用.

主要方法:

  • 关于RNA原始纳米管的当前文献的综述.
  • 讨论RNA折叠,三级相互作用和细胞接口.
  • 探索模仿微管和actin纤维的设计策略.
  • 对控制纳米管长度,刚度和组织的方法的分析.
  • 通过RNA动机和相互作用对动态重塑的研究.

主要成果:

  • RNA原始纳米管可以被设计成模仿细胞骨纤维.
  • RNA提供了诸如共同转录折叠和复杂相互作用等优势.
  • 现有策略可以控制纳米管的特性,并实现动态重塑.
  • 潜在的应用包括细胞内脚手架,货物运输和合成细胞.

结论:

  • RNA原始提供了一个多功能工具包,用于创建可编程的生物模拟细胞骨网络.
  • 挑战包括体内稳定性和高效的分娩.
  • 这一领域对合成细胞工程具有变革性的潜力.