Multiple forms and functions of premature termination by RNA polymerase II

DL Bentley - Journal of Molecular Biology, 2024 - Elsevier
… homologue, Spt5 13 is ubiquitously bound to elongating pol II and … facilitates termination
by slowing pol II down and turning it into a “sitting duck” through dephosphorylation of Spt5

Termination of transcription by RNA polymerase II: BOOM!

JD Eaton, S West - Trends in Genetics, 2020 - cell.com
… ) promotes Pol II slowing which is caused by dephosphorylation of SPT5 by PNUTS/PP1
uncommon in cells and might conflict with RNA quality control. This is suggested by findings …

Distinct Cdk9-phosphatase switches act at the beginning and end of elongation by RNA polymerase II

PK Parua, S Kalan, B Benjamin, M Sansó… - Nature …, 2020 - nature.com
… implicated in Spt5-CTR dephosphorylation and Pol II deceleration … that PP1 promotes Pol II
slowing and termination through Spt5controls transcription exit through PP1-dependent Spt5

WDR82/PNUTS-PP1 prevents transcription-replication conflicts by promoting RNA polymerase II degradation on chromatin

HB Landsverk, LE Sandquist, LTE Bay, B Steurer… - Cell reports, 2020 - cell.com
… Here, we demonstrate that the RNA polymerase II (RNAPII) C-… WDR82 also promotes
RNAPII-CTD dephosphorylation and … by proteasome inhibition in control cells but less so in PNUTS…

SPT5 stabilization of promoter-proximal RNA polymerase II

Y Aoi, YH Takahashi, AP Shah, M Iwanaszko… - Molecular cell, 2021 - cell.com
… premature termination at promoters ( … stability to facilitate release of RNA Pol II from
promoter-proximal regions … To test whether SPT5 depletion affects the phosphorylation status of …

Knockout of protein phosphatase 1 in Leishmania major reveals its role during RNA polymerase II transcription termination

R Kieft, Y Zhang, H Yan, RJ Schmitz… - Nucleic Acids …, 2023 - academic.oup.com
… mediated de-phosphorylation of both Pol II and Spt5 regulates the … Additionally, we
show that Pol II is a direct substrate for PNUTS-PP1-… Pol II speed is reduced by the PP1-mediated …

The pausing zone and control of RNA polymerase II elongation by Spt5: Implications for the pause-release model

N Fong, RM Sheridan, S Ramachandran, DL Bentley - Molecular cell, 2022 - cell.com
… release is facilitated by the PTEFb phosphorylation of the RNA Pol II elongation factor, Spt5.
… Alternatively, the active removal of RNA Pol II by premature termination could contribute to …

Protein phosphatase PP1 regulation of RNA polymerase II transcription termination and allelic exclusion of VSG genes in trypanosomes

R Kieft, Y Zhang, H Yan, RJ Schmitz… - Nucleic Acids …, 2024 - academic.oup.com
… In yeast, PP1 dephosphorylation of both Pol II CTD and Spt5 is … PP1-1 facilitates Pol II-CTD
dephosphorylation PP1-… a conserved PNUTSPP1 controlled mechanism of Pol II termination

The CDK9-SPT5 axis in control of transcription elongation by RNAPII

R Sun, RP Fisher - Journal of Molecular Biology, 2024 - Elsevier
… The RNA polymerase II (RNAPII) transcription cycle is … stages of initiation, elongation,
termination, and recycling of … that RPB1 linker phosphorylation promotes SPT6 recruitment …

Protein phosphatases in the RNAPII transcription cycle: erasers, sculptors, gatekeepers, and potential drug targets

G Cossa, PK Parua, M Eilers… - Genes & Development, 2021 - genesdev.cshlp.org
… The transcription cycle of RNA polymerase II (RNAPII) is … , ensuring fine control of elongation
and termination. Much is still … of indicated RNAPII and SPT5 phosphorylation marks along …