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相关概念视频

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...
The Cell Cycle Control System02:11

The Cell Cycle Control System

The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
The Cell Cycle Control System02:11

The Cell Cycle Control System

The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
The Cell Cycle Control System01:28

The Cell Cycle Control System

The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
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相关实验视频

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Cell Patterning on Photolithographically Defined Parylene-C: SiO2 Substrates
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Published on: March 7, 2014

一个合成的多细胞系统,用于编程的模式形成.

Subhayu Basu1, Yoram Gerchman, Cynthia H Collins

  • 1Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.

Nature
|April 29, 2005
PubMed
概括
此摘要是机器生成的。

科学家们设计了合成细胞,以形成像鱼和三叶草一样的图案. 这种合成的多细胞系统使用乙同素乳 (AHL) 梯度来控制细胞分化和模式形成.

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科学领域:

  • 合成生物学 合成生物学
  • 发育生物学是发展生物学.
  • 蜂通讯 蜂通讯是通过蜂通讯进行的.

背景情况:

  • 模式形成对于生物体中细胞协调至关重要.
  • 细胞间通信和信号处理驱动模式的发展.
  • 了解这些过程有助于诸如组织工程等领域.

研究的目的:

  • 创建一个合成的多细胞系统来研究模式形成.
  • 编程基因工程细胞以形成特定的分化模式.
  • 研究化学梯度在合成图案开发中的作用.

主要方法:

  • 工程"发送者"细胞合成乙同素乳 (AHL).
  • 开发出具有"带检测"基因网络的"受体"细胞,对AHL度做出反应.
  • 利用光蛋白来可视化差异化模式.

主要成果:

  • 在发送者殖民地周围成功创建了环状的分化模式.
  • 通过不同的发送者配置,实现了多样化的图案 (公牛眼,圆,三叶草).
  • 通过分析确定了影响模式发展的关键动态参数.

结论:

  • 合成多细胞系统为定量研究发育过程提供了一个平台.
  • 这种方法增强了对细胞间通信和模式生成的理解.
  • 潜在的应用包括组织工程,生物材料和生物传感.