ArticleCell reports2021
Asterix/Gtsf1 links tRNAs and piRNA silencing of retrotransposons.
Article in Cell reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 23 citations in OpenAlex.
- An evolutionarily conserved N-terminal domain of RRF-3 governs GTSF-1 binding in nematodes.EMBO reports · 2026Article
- Unraveling the role of PIWI/piRNAs in stem cell therapy: Epigenetic mechanisms and therapeutic potentials.Genes & diseases · 2026Review
- Gametocyte-Specific Factor 1 Is Essential for Male Fertility and Transposon Homeostasis inInsects · 2026Article
- Exosomal small non-coding RNA profiling and the role of PIWI-interacting RNA pathway genes in Lumpy skin disease virus-infected bovines.Animal bioscience · 2025Article
- Abundant piRNA production mediated by theProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- In silico assessment of biocompatibility and toxicity: molecular docking and dynamics simulation of PMMA-based dental materials for interim prosthetic restorations.Journal of materials science. Materials in medicine · 2024Article
- An extended Tudor domain within Vreteno interconnects Gtsf1L and Ago3 for piRNA biogenesis in Bombyx mori.The EMBO journal · 2023Article
- Mechanism of piR-1245/PIWI-like protein-2 regulating Janus kinase-2/signal transducer and activator of transcription-3/vascular endothelial growth factor signaling pathway in retinal neovascularization.Neural regeneration research · 2023Article
- Developmental roles and molecular mechanisms of Asterix/GTSF1.Wiley interdisciplinary reviews. RNA · 2022Review
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- Article
- Mammalian antiviral systems directed by small RNA.PLoS pathogens · 2021Review
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
The Piwi-interacting RNA (piRNA) pathway safeguards genomic integrity by silencing transposable elements (transposons) in the germline. While Piwi is the central piRNA factor, others including Asterix/Gtsf1 have also been demonstrated to be critical for effective silencing. Here, using enhanced crosslinking and immunoprecipitation (eCLIP) with a custom informatic pipeline, we show that Asterix/Gtsf1 specifically binds tRNAs in cellular contexts. We determined the structure of mouse Gtsf1 by NMR spectroscopy and identified the RNA-binding interface on the protein's first zinc finger, which was corroborated by biochemical analysis as well as cryo-EM structures of Gtsf1 in complex with co-purifying tRNA. Consistent with the known dependence of long terminal repeat (LTR) retrotransposons on tRNA primers, we demonstrate that LTR retrotransposons are, in fact, preferentially de-repressed in Asterix mutants. Together, these findings link Asterix/Gtsf1, tRNAs, and LTR retrotransposon silencing and suggest that Asterix exploits tRNA dependence to identify transposon transcripts and promote piRNA silencing.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.