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# Tag Archives: CRISP-Cas system

## Viral Diversity Threshold for Adaptive Immunity in Prokaryotes

A recent paper concerning non-Darwinian (Lamarckian) evolution and mathematical modeling. From the abstract Tracking this cost-benefit analysis across parameter space reveals viral mutation rate thresholds beyond which CRISPR-Cas cannot provide sufficient immunity and is purged from host populations. These results … Continue reading