Molecular mechanisms of CRISPR-mediated microbial immunity.
Level 5 - mechanism / opinion, no new human data
Narrative review of basic molecular mechanisms with no human clinical data.
PubMed 23959171 · doi:10.1007/s00018-013-1438-6
What was done
This is a narrative review summarizing the molecular mechanisms of interference and immunity conferred by different bacterial CRISPR–Cas systems against bacteriophages and foreign plasmids.
What was found
The abstract describes CRISPR–Cas systems as adaptive, invader-specific, and heritable defense barriers, distinguishing them from methylation-based restriction–modification systems. No quantitative data, effect sizes, or specific experimental numbers are reported in the abstract.
Why it matters
It provides a mechanistic overview of how bacteria acquire targeted resistance against mobile genetic elements and rapidly diversifying bacteriophages.
Limits
The abstract is a high-level narrative summary that lacks systematic search methodology, quantitative data, and original experimental measurements. Application is limited to microbial biology and does not report clinical outcomes.
Cited by
- supports CRISPR evolved naturally as a bacterial defense mechanism against bacteriophage viruses.