The immune systems paradox
Some widespread prokaryotic immune systems are absent in eukaryotes, whereas relatively rare ones became central to eukaryotic innate immunity
@audeber.bsky.social & E. Koonin hypothesize the answer is #HGT
shareable link: rdcu.be/e2EmD
www.nature.com/articles/s41...
The widespread prokaryotic immune systems, in particular restriction–modification, CRISPR–Cas and defensive toxin–antitoxin systems, are absent in eukaryotes, whereas relatively rare ones, such as Arg...
