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Transcription is a major obstacle for replication fork progression and a cause of genome instability. Such instability increases in mutants with a suboptimal assembly of the nascent messenger ribonucleo-protein particle (mRNP), as THO/TREX and the NPC-associated THSC/TREX-2 complex. We used microarr...
ORGANISM(S): Saccharomyces cerevisiae 
THO/TREX is a conserved nuclear complex that functions in mRNP biogenesis at the interface of transcription-RNA export with a key role in preventing transcription-associated genome instability. We used microarrays to analyze the impact of different THO/TREX mutations on gene expression and found tha...
ORGANISM(S): Saccharomyces cerevisiae 
We used Targeted RNase H-mediated Extraction of crosslinked RBPs (TREX)to assess the endogenous binding partners of U1 small nuclear RNA (U1 snRNA) in human HCT116 cells. Extracted proteins from U1 digested and control cells (5 replicate per condition) were compared, using label-free (LFQ) Quantitat...
ORGANISM(S): Homo sapiens (Human) 
2023-12-27 | PXD044643 | Pride
Nuclear pore complexes (NPCs) influence gene expression besides their established function in nuclear transport. The TREX-2 complex localizes to the NPC basket and affects gene-NPC interactions, transcription and mRNA export. How TREX-2 regulates the gene expression machinery is unknown. Here, we sh...
ORGANISM(S): Saccharomyces cerevisiae 
Secondary metabolites are involved in the plant stress response. Among these are scopolin and its active form scopoletin, which are coumarin derivatives associated with reactive oxygen species scavenging and pathogen defence. Here we show that in Arabidopsis thaliana, scopolin accumulation can be in...
2018-02-05 | MTBLS389 | MetaboLights
We used Targeted RNase H-mediated Extraction of crosslinked RBPs (TREX)to assess the endogenous binding partners of the ND4 segment of NORAD long noncoding RNA (lncRNA) in human HCT116 cells. Extracted proteins from RNase H digested and control cells (4 replicate per region per condition) were compa...
ORGANISM(S): Homo sapiens (Human) 
2023-12-27 | PXD045385 | Pride
We used Targeted RNase H-mediated Extraction of crosslinked RBPs (TREX)to assess the endogenous region-specific binding partners of 45S rRNA in human HCT116 cells. We performed TREX experiments against the full-length 45S, as well as each individual region (5'ETS. 18S, ITS1, 5.8S, ITS2, 28S, and 3'E...
ORGANISM(S): Homo sapiens (Human) 
2023-12-27 | PXD044659 | Pride
Characterisation of the Arabidopsis transcription-export (TREX) core complex THO by affinity purification combined with mass spectrometry (AP-MS) revealed that both THO5A and THO5B are components of the complex. Functional assays demonstrate a role in nucleocytosolic mRNA transport in plants.
ORGANISM(S): Arabidopsis thaliana (Mouse-ear cress) 
2026-06-16 | PXD049030 | Pride
The epitranscriptomic modification m6A is a ubiquitous feature of the mammalian transcriptome. It modulates mRNA fate and dynamics to exert regulatory control over numerous cellular processes and disease pathways, including viral infection. Kaposi’s sarcoma-associated herpesvirus (KSHV) reactivation...
ORGANISM(S): Homo sapiens (Human) Human gammaherpesvirus 8 
2023-07-20 | PXD039669 | Pride
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