This month’s Under the Lens discusses the use of single-molecule tracking in bacteria to study how CRISPR–Cas systems accurately and efficiently identify specific DNA sequences within viruses and other mobile genetic elements, thereby preventing their invasion.

中文翻译：

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赶上入侵者。

本月的Under the Lens讨论了在细菌中使用单分子跟踪技术，以研究CRISPR-Cas系统如何准确有效地识别病毒和其他移动遗传元件中的特定DNA序列，从而防止其入侵。