CBASS to cGAS-STING: the origins and mechanisms of nucleotide second messenger immune signaling

KM Slavik, PJ Kranzusch - Annual Review of Virology, 2023‏ - annualreviews.org
Host defense against viral pathogens is an essential function for all living organisms. In cell-
intrinsic innate immunity, dedicated sensor proteins recognize molecular signatures of …

RNA-targeting CRISPR–Cas systems

SPB van Beljouw, J Sanders… - Nature Reviews …, 2023‏ - nature.com
CRISPR–Cas is a widespread adaptive immune system in bacteria and archaea that
protects against viral infection by targeting specific invading nucleic acid sequences …

Bacterial defense systems exhibit synergistic anti-phage activity

Y Wu, SK Garushyants, A van den Hurk… - Cell Host & Microbe, 2024‏ - cell.com
Bacterial defense against phage predation involves diverse defense systems acting
individually and concurrently, yet their interactions remain poorly understood. We …

DNA-targeting short Argonautes complex with effector proteins for collateral nuclease activity and bacterial population immunity

M Prostova, A Kanevskaya, V Panteleev… - Nature …, 2024‏ - nature.com
Two prokaryotic defence systems, prokaryotic Argonautes (pAgos) and CRISPR–Cas, detect
and cleave invader nucleic acids using complementary guides and the nuclease activities of …

The evolutionary success of regulated cell death in bacterial immunity

F Rousset, R Sorek - Current opinion in microbiology, 2023‏ - Elsevier
Highlights•Many antiphage systems trigger regulated death of the infected cell.•Regulated
cell death protects the nearby population from the spread of infection.•Over 70% of …

A long look at short prokaryotic Argonautes

B Koopal, SK Mutte, DC Swarts - Trends in cell biology, 2023‏ - cell.com
Argonaute proteins (Agos) use small 15–30 nucleotide-long guides to bind and/or cleave
complementary target nucleic acids. Eukaryotic Agos mediate RNA-guided RNA silencing …

Type III CRISPR-Cas: beyond the Cas10 effector complex

G Stella, L Marraffini - Trends in Biochemical Sciences, 2024‏ - cell.com
Abstract Type III CRISPR-Cas loci encode some of the most abundant, yet complex, immune
systems of prokaryotes. They are composed of a Cas10 complex that uses an RNA guide to …

RNA targeting and cleavage by the type III-Dv CRISPR effector complex

EA Schwartz, JPK Bravo, M Ahsan, LA Macias… - Nature …, 2024‏ - nature.com
CRISPR-Cas are adaptive immune systems in bacteria and archaea that utilize CRISPR
RNA-guided surveillance complexes to target complementary RNA or DNA for destruction …

An essential and highly selective protein import pathway encoded by nucleus-forming phage

CJ Morgan, E Enustun, EG Armbruster… - Proceedings of the …, 2024‏ - pnas.org
Targeting proteins to specific subcellular destinations is essential in prokaryotes,
eukaryotes, and the viruses that infect them. Chimalliviridae phages encapsulate their …

Nucleotide immune signaling in CBASS, Pycsar, Thoeris, and CRISPR antiphage defense

SJ Hobbs, PJ Kranzusch - Annual review of microbiology, 2024‏ - annualreviews.org
Bacteria encode an arsenal of diverse systems that defend against phage infection. A
common theme uniting many prevalent antiphage defense systems is the use of specialized …