The immune modules conserved across the tree of life: Towards a definition of ancestral immunity

A Bernheim, J Cury, EZ Poirier - Plos Biology, 2024‏ - journals.plos.org
Immune defence mechanisms exist across the tree of life in such diversity that prokaryotic
antiviral responses have historically been considered unrelated to eukaryotic immunity …

Innate immunity: the bacterial connection

F Rousset - Trends in Immunology, 2023‏ - cell.com
Pathogens have fueled the diversification of intracellular defense strategies that collectively
define cell-autonomous innate immunity. In bacteria, innate immunity is manifested by a …

Eukaryotic CD-NTase, STING, and viperin proteins evolved via domain shuffling, horizontal transfer, and ancient inheritance from prokaryotes

EM Culbertson, TC Levin - PLoS Biology, 2023‏ - journals.plos.org
Animals use a variety of cell-autonomous innate immune proteins to detect viral infections
and prevent replication. Recent studies have discovered that a subset of mammalian …

Bacterial homologs of innate eukaryotic antiviral defenses with anti-phage activity highlight shared evolutionary roots of viral defenses

DF van den Berg, AR Costa, JQ Esser, I Stanciu… - Cell Host & Microbe, 2024‏ - cell.com
Prokaryotes have evolved a multitude of defense systems to protect against phage
predation. Some of these resemble eukaryotic genes involved in antiviral responses. Here …

Structure-based inference of eukaryotic complexity in Asgard archaea

S Köstlbacher, JJE van Hooff, K Panagiotou, D Tamarit… - bioRxiv, 2024‏ - biorxiv.org
Asgard archaea played a key role in the origin of the eukaryotic cell. While previous studies
found that Asgard genomes encode diverse eukaryotic signature proteins (ESPs) …

Genomic landscape of antiviral defense systems in prokaryotes and phages

J Li, J Gu, R **a, M Li - bioRxiv, 2024‏ - biorxiv.org
Prokaryotes and their viruses have co-evolved for billions of years, resulting in emergence of
numerous antiviral defense systems. With the development of bioinformatic technologies …

Research briefing

A Bernheim, H Shomar‏ - nature.com
Proteins that are involved in immunity rapidly evolve to adapt to pathogens. However, some
eukaryotic immune proteins have been shown to originate from bacterial antiphage systems …