The sound of silence: mechanisms and implications of HUSH complex function

M Seczynska, PJ Lehner - Trends in Genetics, 2023 - cell.com
The vertebrate genome is under constant threat of invasion by genetic parasites. Whether
the host can immediately recognize and respond to invading elements has been unclear …

Genome surveillance by HUSH-mediated silencing of intronless mobile elements

M Seczynska, S Bloor, SM Cuesta, PJ Lehner - Nature, 2022 - nature.com
All life forms defend their genome against DNA invasion. Eukaryotic cells recognize
incoming DNA and limit its transcription through repressive chromatin modifications. The …

The HUSH complex cooperates with TRIM28 to repress young retrotransposons and new genes

L Robbez-Masson, CHC Tie, L Conde… - Genome …, 2018 - genome.cshlp.org
Retrotransposons encompass half of the human genome and contribute to the formation of
heterochromatin, which provides nuclear structure and regulates gene expression. Here, we …

Co-transcriptional genome surveillance by HUSH is coupled to termination machinery

AL Spencley, S Bar, T Swigut, RA Flynn, CH Lee… - Molecular cell, 2023 - cell.com
The HUSH complex recognizes and silences foreign DNA such as viruses, transposons, and
transgenes without prior exposure to its targets. Here, we show that endogenous targets of …

The HUSH complex is a gatekeeper of type I interferon through epigenetic regulation of LINE-1s

H Tunbak, R Enriquez-Gasca, CHC Tie… - Nature …, 2020 - nature.com
Abstract The Human Silencing Hub (HUSH) complex is necessary for epigenetic repression
of LINE-1 elements. We show that HUSH-depletion in human cell lines and primary …

TASOR is a pseudo-PARP that directs HUSH complex assembly and epigenetic transposon control

CH Douse, IA Tchasovnikarova, RT Timms… - Nature …, 2020 - nature.com
The HUSH complex represses retroviruses, transposons and genes to maintain the integrity
of vertebrate genomes. HUSH regulates deposition of the epigenetic mark H3K9me3, but …

Periphilin self-association underpins epigenetic silencing by the HUSH complex

DM Prigozhin, CH Douse, LE Farleigh… - Nucleic Acids …, 2020 - academic.oup.com
Transcription of integrated DNA from viruses or transposable elements is tightly regulated to
prevent pathogenesis. The Human Silencing Hub (HUSH), composed of Periphilin, TASOR …

[HTML][HTML] Chromatin modifier HUSH co-operates with RNA decay factor NEXT to restrict transposable element expression

W Garland, I Müller, M Wu, M Schmid, K Imamura… - Molecular cell, 2022 - cell.com
Transposable elements (TEs) are widespread genetic parasites known to be kept under tight
transcriptional control. Here, we describe a functional connection between the mouse …

Position‐effect variegation revisited: HUSHing up heterochromatin in human cells

RT Timms, IA Tchasovnikarova, PJ Lehner - BioEssays, 2016 - Wiley Online Library
Much of what we understand about heterochromatin formation in mammals has been
extrapolated from forward genetic screens for modifiers of position‐effect variegation (PEV) …

Hinfp is a guardian of the somatic genome by repressing transposable elements

NK Nirala, Q Li, PN Ghule, HJ Chen… - Proceedings of the …, 2021 - National Acad Sciences
Germ cells possess the Piwi-interacting RNA pathway to repress transposable elements and
maintain genome stability across generations. Transposable element mobilization in …