The many faces of RNAi

RF Ketting - Developmental cell, 2011 - cell.com
Small non-coding RNAs, through association with Argonaute protein family members, have
a variety of functions during the development of an organism. Although there is increased …

Regulation of small RNA stability: methylation and beyond

L Ji, X Chen - Cell research, 2012 - nature.com
As central components of RNA silencing, small RNAs play diverse and important roles in
many biological processes in eukaryotes. Aberrant reduction or elevation in the levels of …

An in vivo RNAi assay identifies major genetic and cellular requirements for primary piRNA biogenesis in Drosophila

D Olivieri, MM Sykora, R Sachidanandam… - The EMBO …, 2010 - embopress.org
In Drosophila, PIWI proteins and bound PIWI‐interacting RNAs (piRNAs) form the core of a
small RNA‐mediated defense system against selfish genetic elements. Within germline …

The microRNA biology of the mammalian nucleus

TC Roberts - Molecular Therapy-Nucleic Acids, 2014 - cell.com
MicroRNAs (miRNAs) are a class of genome-encoded small RNAs that are primarily
considered to be post-transcriptional negative regulators of gene expression acting in the …

Cytoplasmic assembly and selective nuclear import of Arabidopsis Argonaute4/siRNA complexes

R Ye, W Wang, T Iki, C Liu, Y Wu, M Ishikawa, X Zhou… - Molecular cell, 2012 - cell.com
In plants, DNA methylation can be mediated by a class of Argonaute4 (AGO4)-associated
heterochromatic siRNAs (hc-siRNAs), through a pathway termed RNA-directed DNA …

Structure of the germline genome of Tetrahymena thermophila and relationship to the massively rearranged somatic genome

EP Hamilton, A Kapusta, PE Huvos, SL Bidwell, N Zafar… - elife, 2016 - elifesciences.org
The germline genome of the binucleated ciliate Tetrahymena thermophila undergoes
programmed chromosome breakage and massive DNA elimination to generate the somatic …

Conserved chromosomal functions of RNA interference

MJ Gutbrod, RA Martienssen - Nature Reviews Genetics, 2020 - nature.com
RNA interference (RNAi), a cellular process through which small RNAs target and regulate
complementary RNA transcripts, has well-characterized roles in post-transcriptional gene …

Delete and survive: strategies of programmed genetic material elimination in eukaryotes

D Dedukh, A Krasikova - Biological Reviews, 2022 - Wiley Online Library
Genome stability is a crucial feature of eukaryotic organisms because its alteration
drastically affects the normal development and survival of cells and the organism as a …

Crystal structure of the MID-PIWI lobe of a eukaryotic Argonaute protein

A Boland, E Huntzinger, S Schmidt… - Proceedings of the …, 2011 - National Acad Sciences
Argonaute proteins (AGOs) are essential effectors in RNA-mediated gene silencing
pathways. They are characterized by a bilobal architecture, in which one lobe contains the N …

A Tetrahymena Piwi bound to mature tRNA 3′ fragments activates the exonuclease Xrn2 for RNA processing in the nucleus

MT Couvillion, G Bounova, E Purdom, TP Speed… - Molecular cell, 2012 - cell.com
Emerging evidence suggests that Argonaute (Ago)/Piwi proteins have diverse functions in
the nucleus and cytoplasm, but the molecular mechanisms employed in the nucleus remain …