ArticleNucleic acids research2025
An AT-hook transcription factor promotes transcription of histone, spliced-leader, and piRNA clusters.
Article in Nucleic acids research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Dynamic RNA Polymerase compartments organize the transcription of gene clusters.bioRxiv : the preprint server for biology · 2026Article
- SLBP-independent control of maternal histone mRNA.bioRxiv : the preprint server for biology · 2026Article
- TurboID-based proximity labeling identifies novel germline proteins that maintain E granule integrity and small RNA homeostasis in C. elegans.Science China. Life sciences · 2025Article
- The H3K27me3 reader UAD-2 recruits a TAF-12-containing transcription machinery to initiate piRNA expression within heterochromatic clusters.Nature communications · 2025Article
- The ribonuclease DISL-2 mediates piRNA degradation in C. elegans.Cell reports · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
In all three domains of life, genes with related functions can be organized into specific genomic regions known as gene clusters. In eukaryotes, histone, piRNA (Piwi-interacting RNA), and rDNA (ribosomal DNA) clusters are among the most notable clusters which play fundamental roles in chromatin formation, genome integrity, and translation, respectively. These clusters have long been thought to be regulated by distinct transcriptional mechanisms. In this study, using Caenorhabditis elegans as a model system we identify ATTF-6, a member of the AT-hook family, as a key factor for the expression of histone, piRNA, and 5S rDNA-SL1 (spliced leader 1) clusters. ATTF-6 is essential for C. elegans viability. It forms distinct nuclear foci at both piRNA and 5S rDNA-SL1 clusters. Loss of ATTF-6 leads to a depletion of histone mRNAs, SL1 transcripts, and piRNAs. Additionally, we demonstrate that ATTF-6 is required for the recruitment of USTC (Upstream Sequence Transcription Complex) to piRNA clusters, which is necessary for piRNA production. Collectively, our findings reveal a unifying role for an AT-hook transcription factor in promoting the expression of fundamental gene clusters.
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