Establishment of H3K9-methylated heterochromatin and its functions in tissue differentiation and maintenance

J Padeken, SP Methot, SM Gasser - Nature Reviews Molecular Cell …, 2022 - nature.com
Heterochromatin is characterized by dimethylated or trimethylated histone H3 Lys9
(H3K9me2 or H3K9me3, respectively) and is found at transposable elements, satellite …

Small RNAs in epigenetic inheritance: from mechanisms to trait transmission

G Cecere - FEBS letters, 2021 - Wiley Online Library
Inherited information is transmitted to progeny primarily by the genome through the gametes.
However, in recent years, epigenetic inheritance has been demonstrated in several …

Small RNAs and chromatin in the multigenerational epigenetic landscape of Caenorhabditis elegans

N Frolows, A Ashe - … Transactions of the Royal Society B, 2021 - royalsocietypublishing.org
For decades, it was thought that the only heritable information transmitted from one
individual to another was that encoded in the DNA sequence. However, it has become …

[HTML][HTML] piRNAs coordinate poly (UG) tailing to prevent aberrant and perpetual gene silencing

A Shukla, R Perales, S Kennedy - Current Biology, 2021 - cell.com
Noncoding RNAs have emerged as mediators of transgenerational epigenetic inheritance
(TEI) in a number of organisms. A robust example of such RNA-directed TEI is the …

Hypoxia induces transgenerational epigenetic inheritance of small RNAs

SY Wang, K Kim, ZK O'Brown, A Levan, AE Dodson… - Cell reports, 2022 - cell.com
Animals sense and adapt to decreased oxygen availability, but whether and how hypoxia
exposure in ancestors can elicit phenotypic consequences in normoxia-reared descendants …

Translation and codon usage regulate Argonaute slicer activity to trigger small RNA biogenesis

M Singh, E Cornes, B Li, P Quarato, L Bourdon… - Nature …, 2021 - nature.com
In the Caenorhabditis elegans germline, thousands of mRNAs are concomitantly expressed
with antisense 22G-RNAs, which are loaded into the Argonaute CSR-1. Despite their …

Mating can initiate stable RNA silencing that overcomes epigenetic recovery

S Devanapally, P Raman, M Chey, S Allgood… - Nature …, 2021 - nature.com
Stable epigenetic changes appear uncommon, suggesting that changes typically dissipate
or are repaired. Changes that stably alter gene expression across generations presumably …

[HTML][HTML] Mechanisms of epigenetic regulation by C. elegans nuclear RNA interference pathways

U Seroussi, C Li, AE Sundby, TL Lee… - Seminars in Cell & …, 2022 - Elsevier
RNA interference (RNAi) is a highly conserved gene regulatory phenomenon whereby
Argonaute/small RNA (AGO/sRNA) complexes target transcripts by antisense …

[HTML][HTML] Epigenetic dynamics during germline development: insights from Drosophila and C. elegans

RJ Gleason, X Chen - Current opinion in genetics & development, 2023 - Elsevier
Gametogenesis produces the only cell type within a metazoan that contributes both genetic
and epigenetic information to the offspring. Extensive epigenetic dynamics are required to …

Two isoforms of the essential C. elegans Argonaute CSR-1 differentially regulate sperm and oocyte fertility

AG Charlesworth, U Seroussi, NJ Lehrbach… - Nucleic Acids …, 2021 - academic.oup.com
The Caenorhabditis elegans genome encodes nineteen functional Argonaute proteins that
use 22G-RNAs, 26G-RNAs, miRNAs or piRNAs to regulate target transcripts. Only one …