工程 Pichia pastoris 菌株使用CRISPR/Cas9技术:基本协议
Hana Raschmanová1, Astrid Weninger2, Karin Kovar3
1University of Chemistry and Technology Prague, Department of Biotechnology, Prague, Czech Republic.
Methods in molecular biology (Clifton, N.J.)
|October 1, 2025
概括
这项研究详细介绍了Pichia pastoris的强大的CRISPR/Cas9基因组编辑协议,在基因失活方面实现了近100%的效率. 这种方法促进了酵母的基因修改和代谢工程.
科学领域:
- 分子生物学分子生物学
- 酵母遗传学 酵母遗传学
背景情况:
- 克里斯普尔/卡斯9系统是基因组编辑和代谢工程的强大工具.
- 在2016年建立的,CRISPR/Cas9协议用于Komagataella phaffii (Pichia pastoris) 允许基因修饰,如无标记基因破坏.
- 以前的应用包括提高同源重组效率.
研究的目的:
- 描述一个强大的,基于CRISPR的基因组编辑在Pichia pastoris的基本协议.
- 通过使用该协议,证明基因失活的高准效率.
主要方法:
- 利用CRISPR/Cas9系统在Pichia pastoris中进行基因组编辑.
- 为了基因失活,采用了一个框架转移突变策略.
- 建立了P. pastoris基因组编辑的基本,强大的协议.
主要成果:
- 在基因失活方面实现了接近100%的准效率.
- 证明了基于CRISPR的基因改造协议的有效性.
- 该协议适合创建用于基因淘汰的框架转移突变.
结论:
- 描述的CRISPR/Cas9协议为Pichia pastoris基因组编辑提供了一种可靠的方法.
- 该协议有助于有效的基因失活和其他遗传修饰.
- 对P. pastoris的CRISPR/Cas9技术的进一步优化可用于特定的应用.
相关概念视频
CRISPR/Cas9 Genome Editing
1.7K
The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
1.7K
CRISPR
57.5K
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...
57.5K
CRISPR and crRNAs
18.7K
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...
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...
18.7K


