Repetitive elements in aging and neurodegeneration

KE Copley, J Shorter - Trends in Genetics, 2023 - cell.com
Repetitive elements (REs), such as transposable elements (TEs) and satellites, comprise
much of the genome. Here, we review how TEs and (peri) centromeric satellite DNA may …

[HTML][HTML] 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 …

[HTML][HTML] Genomics of cold adaptations in the Antarctic notothenioid fish radiation

I Bista, JMD Wood, T Desvignes, SA McCarthy… - Nature …, 2023 - nature.com
Numerous novel adaptations characterise the radiation of notothenioids, the dominant fish
group in the freezing seas of the Southern Ocean. To improve understanding of the …

[HTML][HTML] The Polycomb repressive complex 2 deposits H3K27me3 and represses transposable elements in a broad range of eukaryotes

T Hisanaga, F Romani, S Wu, T Kowar, Y Wu… - Current Biology, 2023 - cell.com
The mobility of transposable elements (TEs) contributes to evolution of genomes. Their
uncontrolled activity causes genomic instability; therefore, expression of TEs is silenced by …

Transposable elements drive the evolution of metazoan zinc finger genes

JN Wells, NC Chang, J McCormick… - Genome …, 2023 - genome.cshlp.org
Cys2-His2 zinc finger genes (ZNFs) form the largest family of transcription factors in
metazoans. ZNF evolution is highly dynamic and characterized by the rapid expansion and …

Retrotransposon-mediated evolutionary rewiring of a pathogen response orchestrates a resistance phenotype in an insect host

Z Guo, L Guo, Y Bai, S Kang, D Sun… - Proceedings of the …, 2023 - National Acad Sciences
Ongoing host–pathogen interactions can trigger a coevolutionary arms race, while genetic
diversity within the host can facilitate its adaptation to pathogens. Here, we used the …

TNRC18 engages H3K9me3 to mediate silencing of endogenous retrotransposons

S Zhao, J Lu, B Pan, H Fan, SD Byrum, C Xu, A Kim… - Nature, 2023 - nature.com
Trimethylation of histone H3 lysine 9 (H3K9me3) is crucial for the regulation of gene
repression and heterochromatin formation, cell-fate determination and organismal …

Take a walk on the KRAB side

O Rosspopoff, D Trono - Trends in Genetics, 2023 - cell.com
Canonical Krüppel-associated box (KRAB)-containing zinc finger proteins (KZFPs) act as
major repressors of transposable elements (TEs) via the KRAB-mediated recruitment of the …

[HTML][HTML] 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 …

Endogenous retroviruses in development and health

J Wang, X Lu, W Zhang, GH Liu - Trends in Microbiology, 2023 - cell.com
Endogenous retroviruses (ERVs) are evolutionary remnants of retroviral infections in which
the viral genome became embedded as a dormant regulatory element within the host …