Involvement of transcription-coupled repair factor Mfd and DNA helicase UvrD in mutational processes in Pseudomonas putida

K Ukkivi, M Kivisaar - DNA repair, 2018 - Elsevier
Stalled RNA polymerases (RNAPs) pose an obstacle for the replicating complexes, which
could lead to transcription-replication conflicts and result in genetic instability. Stalled …

[PDF][PDF] Mutagenic effect of transcription and transcription-coupled repair factors in Pseudomonas putida

K Ukkivi - 2020 - core.ac.uk
In nature bacteria rarely meet conditions of unlimited growth and most of their lives are
exposed to variating and harsh environmental conditions. Numerous strategies to overcome …

UvrD helicase: an old dog with a new trick: how one step backward leads to many steps forward

V Epshtein - Bioessays, 2015 - Wiley Online Library
Transcription‐coupled repair (TCR) is a phenomenon that exists in a wide variety of
organisms from bacteria to humans. This mechanism allows cells to repair the actively …

The transcription-repair coupling factor Mfd prevents and promotes mutagenesis in a context-dependent manner

LA Lindsey-Boltz, A Sancar - Frontiers in Molecular Biosciences, 2021 - frontiersin.org
The mfd (mutation frequency decline) gene was identified by screening an auxotrophic
Escherichia coli strain exposed to UV and held in a minimal medium before plating onto rich …

Dual role of NER in mutagenesis in Pseudomonas putida

M Tark, A Tover, L Koorits, R Tegova, M Kivisaar - DNA repair, 2008 - Elsevier
Nucleotide excision repair (NER) is one of the most important repair systems which
counteracts different forms of DNA damage either induced by various chemicals or …

Rethinking transcription coupled DNA repair

V Kamarthapu, E Nudler - Current opinion in microbiology, 2015 - Elsevier
Highlights•UvrD is the first transcription factor that forces RNA polymerase to
backtrack.•Elongation factor NusA assists UvrD in stimulating backtracking.•UvrD/NusA …

Regulation and rate enhancement during transcription-coupled DNA repair

L Manelyte, YIT Kim, AJ Smith, RM Smith, NJ Savery - Molecular cell, 2010 - cell.com
Transcription-coupled DNA repair (TCR) is a subpathway of nucleotide excision repair
(NER) that is triggered when RNA polymerase is stalled by DNA damage. Lesions targeted …

The molecular mechanism of transcription-coupled DNA repair

NJ Savery - Trends in microbiology, 2007 - cell.com
DNA damage that blocks the transcription of genes is prioritized for repair by transcription-
coupled DNA repair pathways. RNA polymerases stalled at DNA lesions obstruct repair …

Stalled transcription complexes promote DNA repair at a distance

NM Haines, YIT Kim, AJ Smith… - Proceedings of the …, 2014 - National Acad Sciences
Transcription-coupled nucleotide excision repair (TCR) accelerates the removal of
noncoding lesions from the template strand of active genes, and hence contributes to …

Structural basis for transcription-coupled repair: the N terminus of Mfd resembles UvrB with degenerate ATPase motifs

N Assenmacher, K Wenig, A Lammens… - Journal of molecular …, 2006 - Elsevier
The transcription repair coupling factor Mfd removes stalled RNA polymerase from DNA
lesions and links transcription to UvrABC-dependent nucleotide excision repair in …