Transcriptional elongation control in developmental gene expression, aging, and disease

Y Aoi, A Shilatifard - Molecular cell, 2023 - cell.com
The elongation stage of transcription by RNA polymerase II (RNA Pol II) is central to the
regulation of gene expression in response to developmental and environmental cues in …

[HTML][HTML] The HIV-1 transcriptional program: from initiation to elongation control

I D'Orso - Journal of Molecular Biology, 2024 - Elsevier
A large body of work in the last four decades has revealed the key pillars of HIV-1
transcription control at the initiation and elongation steps. Here, I provide a recount of this …

PAF1c links S-phase progression to immune evasion and MYC function in pancreatic carcinoma

A Gaballa, A Gebhardt-Wolf, B Krenz… - Nature …, 2024 - nature.com
In pancreatic ductal adenocarcinoma (PDAC), endogenous MYC is required for S-phase
progression and escape from immune surveillance. Here we show that MYC in PDAC cells …

PRMT2 promotes HIV-1 latency by preventing nucleolar exit and phase separation of Tat into the Super Elongation Complex

J Jin, H Bai, H Yan, T Deng, T Li, R Xiao, L Fan… - Nature …, 2023 - nature.com
The HIV-1 Tat protein hijacks the Super Elongation Complex (SEC) to stimulate viral
transcription and replication. However, the mechanisms underlying Tat activation and …

Release of P-TEFb from the Super Elongation Complex promotes HIV-1 latency reversal

WJ Cisneros, SHA Soliman, M Walter… - PLoS …, 2024 - journals.plos.org
The persistence of HIV-1 in long-lived latent reservoirs during suppressive antiretroviral
therapy (ART) remains one of the principal barriers to a functional cure. Blocks to …

Transcriptional elongation control of hypoxic response

SHAA Soliman, M Iwanaszko… - Proceedings of the …, 2024 - National Acad Sciences
The release of paused RNA polymerase II (RNAPII) from promoter-proximal regions is tightly
controlled to ensure proper regulation of gene expression. The elongation factor PTEF-b is …

Aberrant RNA polymerase initiation and processivity on the genome of a herpes simplex virus 1 mutant lacking ICP27

CH Birkenheuer, JD Baines - Journal of Virology, 2024 - Am Soc Microbiol
Within the first 15 minutes of infection, herpes simplex virus 1 immediate early proteins
repurpose cellular RNA polymerase (Pol II) for viral transcription. An important role of the …

The cell biology of HIV-1 latency and rebound

U Mbonye, J Karn - Retrovirology, 2024 - Springer
Transcriptionally latent forms of replication-competent proviruses, present primarily in a
small subset of memory CD4+ T cells, pose the primary barrier to a cure for HIV-1 infection …

Breaking the Silence: Regulation of HIV Transcription and Latency on the Road to a Cure

NN Duggan, T Dragic, SK Chanda, L Pache - Viruses, 2023 - mdpi.com
Antiretroviral therapy (ART) has brought the HIV/AIDS epidemic under control, but a curative
strategy for viral eradication is still needed. The cessation of ART results in rapid viral …

The archer and the prey: the duality of PAF1C in antiviral immunity

MW Kenaston, PS Shah - Viruses, 2023 - mdpi.com
In the ongoing arms race between virus and host, fine-tuned gene expression plays a critical
role in antiviral signaling. However, viruses have evolved to disrupt this process and …