A systematic interactome of SET1C expands its functional landscape and identifies candidate regulatory connections

This study employs yeast two-hybrid screening to map a comprehensive interactome of the yeast SET1C complex, revealing novel connections to RNA biogenesis and nuclear transport while demonstrating that Set1 methylates the AT-hook domain of the chromatin remodeler Snf2, thereby uncovering a new interplay between lysine and arginine methylation.

Luciano, P., Park, K., Audebert, S. + 12 more2026-04-15📄 molecular biology

More than just a passive brick in the wall: the nucleosome facilitates DNA polymerase β activity in linker DNA and its PARP-dependent regulation in the BER pathway choice

This study reveals that nucleosomes actively stimulate DNA polymerase β activity in linker DNA and coordinate a multi-layered regulatory system involving PARP1/2 and histone H1 to modulate base excision repair pathway choice and overcome chromatin-mediated inhibition.

Shtanov, D. M., Kurgina, T. T., Kutuzov, M. M. + 4 more2026-04-12📄 molecular biology

The lncRNA FENDRR fine-tunes FOXF1 protein levels through a negative feedback loop governing human embryonic lung fibroblast-to-myofibroblast transition

This study reveals that the long noncoding RNA FENDRR fine-tunes FOXF1 protein levels through a negative feedback loop—where FOXF1 activates FENDRR transcription and FENDRR subsequently suppresses FOXF1 protein stability—to precisely regulate human embryonic lung fibroblast-to-myofibroblast transition, providing a mechanistic explanation for the dosage-sensitive lung defects observed in ACDMPV.

Laurendeau, J.-F., Mockly, S., Duran Bishop, G. + 5 more2026-04-12📄 molecular biology

"Editing the conserved IPA1-TB1 regulatory module reshapes plant architecture and enhances tillering in wheat

This study demonstrates that CRISPR/Cas9-mediated editing of the conserved TaIPA1 and TaTB1 regulatory module in hexaploid wheat successfully reshapes plant architecture by significantly increasing tiller number and grain weight, offering a promising strategy for developing high-yielding wheat varieties.

Vishnoi (Equal contribution), R., Augustine (Equal contribution), G., Sirohi, P. + 12 more2026-04-11📄 molecular biology

Transcriptional and spatial profiling of fibroblasts from human lungs highlights CTHRC1+ cells as fibrogenic signaling hubs in fibrosis

By integrating single-cell and spatial transcriptomics of human lung tissue with cultured fibroblast profiling, this study identifies CTHRC1+ fibroblasts as key pro-fibrotic signaling hubs in idiopathic pulmonary fibrosis while revealing that standard in vitro culture conditions significantly distort native fibroblast identity and diversity.

Vanegas-Avendano, N. D. P., Chen, H., Wellmerling, J. H. + 11 more2026-04-10📄 molecular biology

RPL38 controls 60S ribosomal subunit homeostasis to regulate start-codon stringency and frame selection during C9ORF72 RAN translation

This study identifies the 60S ribosomal protein RPL38 as a critical regulator of start-codon stringency and reading frame selection, demonstrating that its depletion selectively suppresses canonical AUG translation while enhancing pathological C9ORF72 RAN translation by altering 60S ribosomal subunit homeostasis.

Mori, K., Gotoh, S., Kondo, S. + 9 more2026-04-10📄 molecular biology

Dual Recognition Drives Site-Directed G-Quadruplex Stabilization: Exploring Oligonucleotide Design in G4 Ligand-Oligonucleotide Conjugates

This study demonstrates that rational design of G-quadruplex ligand-oligonucleotide conjugates, particularly through optimizing oligonucleotide length, backbone composition, and sequence complementarity, enables selective and potent site-directed G-quadruplex stabilization via a cooperative dual-recognition mechanism.

Abrahamsson, A., Khwaja, S., Vertueux, S. + 9 more2026-04-10📄 molecular biology