Bacterial origins of human cell-autonomous innate immune mechanisms

T Wein, R Sorek - Nature Reviews Immunology, 2022 - nature.com
The cell-autonomous innate immune system enables animal cells to resist viral infection.
This system comprises an array of sensors that, after detecting viral molecules, activate the …

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 …

TBK1 recruitment to STING activates both IRF3 and NF-κB that mediate immune defense against tumors and viral infections

S Yum, M Li, Y Fang, ZJ Chen - Proceedings of the …, 2021 - National Acad Sciences
The induction of type I interferons through the transcription factor interferon regulatory factor
3 (IRF3) is considered a major outcome of stimulator of interferon genes (STING) activation …

Two defence systems eliminate plasmids from seventh pandemic Vibrio cholerae

M Jaskólska, DW Adams, M Blokesch - Nature, 2022 - nature.com
Horizontal gene transfer can trigger rapid shifts in bacterial evolution. Driven by a variety of
mobile genetic elements—in particular bacteriophages and plasmids—the ability to share …

Cyclic GMP–AMP signalling protects bacteria against viral infection

D Cohen, S Melamed, A Millman, G Shulman… - Nature, 2019 - nature.com
The cyclic GMP–AMP synthase (cGAS)–STING pathway is a central component of the cell-
autonomous innate immune system in animals,. The cGAS protein is a sensor of cytosolic …

Phage anti-CBASS and anti-Pycsar nucleases subvert bacterial immunity

SJ Hobbs, T Wein, A Lu, BR Morehouse, J Schnabel… - Nature, 2022 - nature.com
The cyclic oligonucleotide-based antiphage signalling system (CBASS) and the pyrimidine
cyclase system for antiphage resistance (Pycsar) are antiphage defence systems in diverse …

Abortive infection: bacterial suicide as an antiviral immune strategy

A Lopatina, N Tal, R Sorek - Annual review of virology, 2020 - annualreviews.org
Facing frequent phage challenges, bacteria have evolved numerous mechanisms to resist
phage infection. A commonly used phage resistance strategy is abortive infection (Abi), in …

Ubiquitin-like conjugation by bacterial cGAS enhances anti-phage defence

JM Jenson, T Li, F Du, CK Ea, ZJ Chen - Nature, 2023 - nature.com
Abstract cGAS is an evolutionarily conserved enzyme that has a pivotal role in immune
defence against infection,–. In vertebrate animals, cGAS is activated by DNA to produce …

Diversity and classification of cyclic-oligonucleotide-based anti-phage signalling systems

A Millman, S Melamed, G Amitai, R Sorek - Nature microbiology, 2020 - nature.com
Cyclic-oligonucleotide-based anti-phage signalling systems (CBASS) are a family of
defence systems against bacteriophages (hereafter phages) that share ancestry with the …

Bacterial cGAS-like enzymes synthesize diverse nucleotide signals

AT Whiteley, JB Eaglesham, CC de Oliveira Mann… - Nature, 2019 - nature.com
Cyclic dinucleotides (CDNs) have central roles in bacterial homeostasis and virulence by
acting as nucleotide second messengers. Bacterial CDNs also elicit immune responses …