Periodic Reporting for period 4 - CRISPR-EVOL (The eco-evolutionary costs and benefits of CRISPR-Cas systems, and their effect on genome diversity within populations)

CRISPR-Cas systems are defense systems that protect bacteria and archaea (two forms of single-cell organisms that do not have a nucleus in their cells) against selfish elements, such as viruses. Archaea resemble bacteria in cell shape and size, but they are closer in...