The highly diverse antiphage defence systems of bacteria

H Georjon, A Bernheim - Nature Reviews Microbiology, 2023 - nature.com
Bacteria and their viruses have coevolved for billions of years. This ancient and still ongoing
arms race has led bacteria to develop a vast antiphage arsenal. The development of high …

Defining the expanding mechanisms of phage-mediated activation of bacterial immunity

E Huiting, J Bondy-Denomy - Current opinion in microbiology, 2023 - Elsevier
Due to recent discovery efforts, over 100 immune systems encoded by bacteria that
antagonize bacteriophage (phage) replication have been uncovered. These systems …

Structural basis of Gabija anti-phage defence and viral immune evasion

SP Antine, AG Johnson, SE Mooney, A Leavitt… - Nature, 2024 - nature.com
Bacteria encode hundreds of diverse defence systems that protect them from viral infection
and inhibit phage propagation,,,–. Gabija is one of the most prevalent anti-phage defence …

Plasmid targeting and destruction by the DdmDE bacterial defence system

JPK Bravo, DA Ramos, R Fregoso Ocampo, C Ingram… - Nature, 2024 - nature.com
Although eukaryotic Argonautes have a pivotal role in post-transcriptional gene regulation
through nucleic acid cleavage, some short prokaryotic Argonaute variants (pAgos) rely on …

Molecular basis of RADAR anti-phage supramolecular assemblies

Y Gao, X Luo, P Li, Z Li, F Ye, S Liu, P Gao - Cell, 2023 - cell.com
Adenosine-to-inosine RNA editing has been proposed to be involved in a bacterial anti-
phage defense system called RADAR. RADAR contains an adenosine triphosphatase …

The structural basis of hyperpromiscuity in a core combinatorial network of type II toxin–antitoxin and related phage defense systems

K Ernits, CK Saha, T Brodiazhenko… - Proceedings of the …, 2023 - National Acad Sciences
Toxin-antitoxin (TA) systems are a large group of small genetic modules found in
prokaryotes and their mobile genetic elements. Type II TAs are encoded as bicistronic (two …

Exploring the diversity of anti-defense systems across prokaryotes, phages and mobile genetic elements

F Tesson, E Huiting, L Wei, J Ren… - Nucleic Acids …, 2025 - academic.oup.com
The co-evolution of prokaryotes, phages and mobile genetic elements (MGEs) has driven
the diversification of defense and anti-defense systems alike. Anti-defense proteins have …

[HTML][HTML] A comprehensive resource for exploring antiphage defense: DefenseFinder webservice, Wiki and databases

F Tesson, R Planel, AA Egorov… - Peer Community …, 2024 - peercommunityjournal.org
In recent years, a vast number of novel antiphage defense mechanisms were uncovered. To
facilitate the exploration of mechanistic, ecological, and evolutionary aspects related to …

[HTML][HTML] Principles of bacterial innate immunity against viruses

MT Laub, A Typas - Current Opinion in Immunology, 2024 - Elsevier
All organisms must defend themselves against viral predators. This includes bacteria, which
harbor immunity factors such as restriction-modification systems and CRISPR-Cas systems …

Assembly-mediated activation of the SIR2-HerA supramolecular complex for anti-phage defense

Z Shen, Q Lin, XY Yang, E Fosuah, TM Fu - Molecular Cell, 2023 - cell.com
SIR2-HerA, a bacterial two-protein anti-phage defense system, induces bacterial death by
depleting NAD+ upon phage infection. Biochemical reconstitution of SIR2, HerA, and the …