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原文連結
論文資訊
- 類型：已發表論文
- 日期：2022-04-15
摘要
CRISPR-Cas constitutes an adaptive prokaryotic defence system against invasive nucleic acids like 病毒es and plasmids. Beyond their role in immunity, CRISPR-Cas systems have been shown to closely interact with components of cellular DNA repair pathways, either by regulating their expression or via direct 蛋白質-蛋白質 contact and enzymatic activity. The integrase Cas1 is usually involved in the 適應 phase of CRISPR-Cas immunity but an additional role in cellular DNA repair pathways has been proposed previously. Here, we analysed the capacity of an archaeal Cas1 from Haloferax volcanii to act upon DNA damage induced by oxidative stress and found that a deletion of the cas1 gene led to reduced survival rates following stress induction. In addition, our results indicate that Cas1 is directly involved i
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