来自超热爱者的一种自传染性等离子体,可促进多种古生物的基因改造
Ryan J Catchpole1,2,3, Valérie Barbe4, Ghislaine Magdelenat4
1Unité de Biologie Moléculaire du Gène chez les Extrêmophiles (BMGE), Département de Microbiologie, Institut Pasteur, Paris, France. ryan.catchpole@uga.edu.
Nature microbiology
|June 5, 2023
概括
研究人员在Euryarchaea.ea中发现了第一个结合性等离子体,pT33-3. 这种移动的遗传元素,利用IV型分泌系统,使得DNA转移,并促进基因工程在Archaea.
科学领域:
- 微生物学 微生物学
- 遗传学 遗传学 是一个
- 考古学研究考古学研究.
背景情况:
- 结合性等离子体通过IV型分泌系统 (T4SS) 转移DNA,这种系统在细菌中得到了很好的研究.
- 关于考古结合的信息有限,已知的例子仅限于Crenarchaeota的Sulfolobales.
研究的目的:
- 为了识别和描述Euryarchaea的第一个自我传播的等离子体.
- 开发一种使用已识别的等离子体进行考古基因组修改的遗传工具包.
主要方法:
- 在Thermococcus sp.中的103 kbp等离子体pT33-3的鉴定. 33-3. 在33-3. 在33-3.
- 通过细胞间接触和塑体编码的T4SS类基因证明了pT33-3的结合.
- 开发一种用于修改各种考古遗传基因组的遗传工具包.
主要成果:
- pT33-3是Euryarchaea中发现的第一个结合性等离子体,存在于Thermococcales中的CRISPR间隔器中.
- pT33-3成功地转移到各种Thermococcales物种,转合剂在100°C下是可行的.
- 这种等离子体使得以前无法转换的物种的向基因组修饰和介系转移到Crenarchaeota.
结论:
- pT33-3代表了Euryarchaea的新型移动遗传元素,扩大了已知的古物质质粒的多样性.
- 使用pt33-3开发的基因工具包为考古遗传学和合成生物学提供了一种强大的新方法.
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