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Updated: Jan 12, 2026

Introducing a Gene Knockout Directly Into the Amastigote Stage of Trypanosoma cruzi Using the CRISPR/Cas9 System

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在Trypanosoma cruzi中使用CRISPR/T7RNAP/Cas9进行无克隆基因组编辑

Miguel A Chiurillo¹, Milad Ahmed², César González²

¹Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, USA. chiurima@ucmail.uc.edu.

Methods in molecular biology (Clifton, N.J.)

|November 3, 2025

概括

克里斯普尔/卡斯9技术彻底改变了Trypanosoma cruzi.中的基因操纵. 一种新的无克隆CRISPR/T7RNAP/Cas9方法可以快速编辑寄生虫功能研究的基因.

科学领域:

寄生虫学的寄生虫学
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

CRISPR/Cas9技术已经在人类寄生虫Trypanosoma cruzi.中进行了先进的基因组编辑.
以前的方法允许基因淘汰和C端标记.
新的策略使基因补充,位点定向突变发生和N端标记成为可能.

研究的目的:

描述一种精简的CRISPR/T7RNAP/Cas9基因组编辑方法,用于Trypanosoma cruzi.
为了促进关键的基因和蛋白质的功能特征跨寄生虫生命阶段.

主要方法:

产生表达T7RNA聚合酶 (T7RNAP) 和SpCas9.9的Trypanosoma cruzi表达细胞.
作为PCR产物,与sgRNA模板和捐赠者DNA (s) 共同传染.
基因淘汰,补充和内源标记的无克隆策略.

主要成果:

在2-3周内产生的转基因寄生虫.
消除了基因克隆,细胞分类和多次转染尝试的需要.
成功应用于基因淘汰,补充和N-或C-终端标记.

结论:

克里斯普尔/T7RNAP/Cas9系统为Trypanosoma cruzi的基因组编辑提供了一个高效和快速的方法.
这种方法对于研究无基因突变不能生存的基本基因特别有用.
能够在各种发育阶段对寄生虫蛋白进行全面的功能性鉴定.

关键词:

这就是CRISPR/Cas9的作用.内源性基因标记是一种内源性基因标记.基因补充是基因的补充.基因淘汰赛基因淘汰赛基因组编辑基因组编辑在T7RNA聚合酶中,这种植物是Trypanosoma cruzi.

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