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相关概念视频

Combinatorial Gene Control02:33

Combinatorial Gene Control

9.8K
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...
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Cellular Differentiation00:57

Cellular Differentiation

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How does a complex organism such as a human develop from a single cell? It all starts from a single fertilized egg which gives rise to a vast array of cell types, such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions.
A zygote is a...
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DNA as a Genetic Template02:05

DNA as a Genetic Template

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Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
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DNA as a Genetic Template02:05

DNA as a Genetic Template

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Genetic Material01:20

Genetic Material

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Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.
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Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

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In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
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Updated: Mar 1, 2026

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
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Evolvoid:一种用于塑造最佳细胞结构的遗传算法.

Piera Mancini1, Flavio Fontana1,2, Ermes Botte1,2

  • 1Research Center "E. Piaggio", University of Pisa, Largo Lucio Lazzarino 1, 56122, Pisa, Italy.

Journal of biological engineering
|February 27, 2026
PubMed
概括
此摘要是机器生成的。

Evolvoid是一个新的计算管道,使用遗传算法来创建虚拟的3D细胞结构. 这种具有成本效益的in silico方法优化了用于药物发现和生物研究的细胞模型.

关键词:
3D 细胞结构构建了3D 细胞结构.数字双胞胎是一个数字双胞胎.遗传算法 遗传算法 遗传算法在形模型模型.

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科学领域:

  • 计算生物学 计算生物学
  • 生物物理学的生物物理.

背景情况:

  • 准确的细胞模型对于组织功能和药物发现至关重要.
  • 目前的体外模型 (球体,有机体) 昂贵,输出量低,并且缺乏可复制性.
  • Evolvoid是一个使用遗传算法生成虚拟3D细胞结构的计算管道.

研究的目的:

  • 开发一种具有成本效益和可重复的方法来设计3D细胞模型.
  • 通过模拟生物物理原理来优化虚拟细胞构造形态.
  • 在研究中减少对体外和动物模型的依赖.

主要方法:

  • 结合了有限元模拟与进化原理.
  • 采用遗传算法来进化随机形状的种群.
  • 使用基于表面能量的最小化和在氧度梯度下细胞活力的健身功能.

主要成果:

  • Evolvoid生成虚拟的3D球形状结构,具有优化的形态.
  • 健身功能包括热力学原理,营养物质运输和细胞吸收.
  • 进化的个体表现出与体外球形相似的形状和大小.
  • 香农是跟踪基因组复杂性的增加,与进化动态相一致.

结论:

  • Evolvoid是一个模块化,可扩展和可调节的平台,用于3D蜂模型的in silico设计.
  • 能够创建生物系统的高保真数字双胞胎.
  • 支持实验室在笔记本电脑技术和新方法方法 (NAM) 的进步.