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CRISPR and crRNAs02:53

CRISPR and crRNAs

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Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
16.9K
CRISPR01:59

CRISPR

50.1K
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
50.1K
Mechanistic Models: Compartment Models in Individual and Population Analysis01:23

Mechanistic Models: Compartment Models in Individual and Population Analysis

35
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
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Updated: Jun 17, 2025

CRISPR/Cas12a Multiplex Genome Editing of Saccharomyces cerevisiae and the Creation of Yeast Pixel Art
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CRISPR/Cas12a Multiplex Genome Editing of Saccharomyces cerevisiae and the Creation of Yeast Pixel Art

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基于CRISPR的代谢工程的系统级建模.

Ryan A L Cardiff1,2,3, James M Carothers1,3, Jesse G Zalatan1,2

  • 1Molecular Engineering & Sciences Institute and Center for Synthetic Biology, University of Washington, Seattle, Washington 98195, United States.

ACS synthetic biology
|August 9, 2024
PubMed
概括
此摘要是机器生成的。

克里斯普尔-卡斯系统通过引导基因激活或抑制来增强代谢工程. 改进的模型和机器学习将提高CRISPR-Cas9工具的有效性,以优化微生物生物合成途径.

关键词:
克里斯普尔是什么意思?克里斯普尔是什么意思?的gRNA设计.基因组规模建模模型代谢工程是代谢工程.

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Efficient Production and Identification of CRISPR/Cas9-generated Gene Knockouts in the Model System Danio rerio
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相关实验视频

Last Updated: Jun 17, 2025

CRISPR/Cas12a Multiplex Genome Editing of Saccharomyces cerevisiae and the Creation of Yeast Pixel Art
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科学领域:

  • 合成生物学 合成生物学
  • 分子生物学分子生物学
  • 生物技术是生物技术.

背景情况:

  • 克里斯普尔-卡斯系统能够为代谢工程提供精确的基因调节.
  • 优化微生物生物合成途径需要先进的转录编程模型.
  • 目前在预测基因向指导RNA疗效方面存在局限性.

研究的目的:

  • 审查CRISPR-Cas介导代谢工程的建模方法的进展.
  • 突出新型CRISPR激活 (CRISPRa) 和干扰 (CRISPRi) 策略的潜力.
  • 强调机器学习在增强CRISPR-Cas工具能力方面的作用.

主要方法:

  • 对基因组规模和流量平衡模型的审查,以确定CRISPR目标.
  • 对指导RNA预测模型进行讨论,以提高准效率.
  • 探索用于CRISPR-Cas系统的机器学习集成.

主要成果:

  • 基因组规模和流量平衡模型已经确定了通过CRISPRi改善产量的目标.
  • 新可调节和动态的CRISPRa方法有望增强工程能力.
  • 引导RNA预测模型提高了基因向的有效性.

结论:

  • 改进的模型和机器学习对于在代谢工程中推进CRISPR-Cas工具至关重要.
  • 增强的CRISPR-Cas能力将大大扩大微生物系统中的应用.
  • 集成先进的建模将克服当前的局限性,并优化生物合成途径.