This allows the cells to keep a record of infection, and as my colleague, Blake Wiedenheft, likes to say, the CRISPR locus is effectively a genetic vaccination card in cells.
这允许细胞持有受感染的纪录， 就像我同事Blake Wiedenheft喜欢说的， CRISPR的基因座其实上就是 细胞的一张基因疫苗接种卡。