These cells could monitor otherwise invisible changes without troubling their surroundings.

Theresultsare published in the journal Science.

CRISPR-Cas normally uses its recorded sequences to detect and cut the DNA of incoming phages.

Researchers develop world’s smallest tape recorder inside a living bacterium

The CRISPR-Cas system is a natural biological memory rig, says Wang.

A separate recording plasmid marked the time by continually adding spacers into its genome.

so you can get idea of the process, check out the video below:

Source:Sciencealert

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source: www.techworm.net