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 …

The arms race between bacteria and their phage foes

HG Hampton, BNJ Watson, PC Fineran - Nature, 2020 - nature.com
Bacteria are under immense evolutionary pressure from their viral invaders—
bacteriophages. Bacteria have evolved numerous immune mechanisms, both innate and …

[HTML][HTML] Short prokaryotic Argonaute systems trigger cell death upon detection of invading DNA

B Koopal, A Potocnik, SK Mutte, C Aparicio-Maldonado… - Cell, 2022 - cell.com
Argonaute proteins use single-stranded RNA or DNA guides to target complementary
nucleic acids. This allows eukaryotic Argonaute proteins to mediate RNA interference and …

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 …

(Ph) ighting phages: how bacteria resist their parasites

JT Rostøl, L Marraffini - Cell host & microbe, 2019 - cell.com
Bacteria are under constant attack from bacteriophages (phages), bacterial parasites that
are the most abundant biological entity on earth. To resist phage infection, bacteria have …

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 …

[HTML][HTML] Argonaute proteins confer immunity in all domains of life

PB Ugarte, P Barendse, DC Swarts - Current opinion in microbiology, 2023 - Elsevier
Both eukaryotes and prokaryotes (archaea and bacteria) encode an arsenal of immune
systems that protect the host against mobile genetic elements (MGEs) including viruses …

DNA targeting and interference by a bacterial Argonaute nuclease

A Kuzmenko, A Oguienko, D Esyunina, D Yudin… - Nature, 2020 - nature.com
Members of the conserved Argonaute protein family use small RNA guides to locate their
mRNA targets and regulate gene expression and suppress mobile genetic elements in …

Oligomerization-mediated activation of a short prokaryotic Argonaute

Z Shen, XY Yang, S **a, W Huang, DJ Taylor… - Nature, 2023 - nature.com
Although eukaryotic and long prokaryotic Argonaute proteins (pAgos) cleave nucleic acids,
some short pAgos lack nuclease activity and hydrolyse NAD (P)+ to induce bacterial cell …

Nucleic-acid-triggered NADase activation of a short prokaryotic Argonaute

X Gao, K Shang, K Zhu, L Wang, Z Mu, X Fu, X Yu… - Nature, 2024 - nature.com
Argonaute (Ago) proteins mediate RNA-or DNA-guided inhibition of nucleic acids,. Although
the mechanisms used by eukaryotic Ago proteins and long prokaryotic Ago proteins (pAgos) …