RNA polymerase pausing, stalling and bypass during transcription of damaged DNA: from molecular basis to functional consequences
Cellular DNA is continuously transcribed into RNA by multisubunit RNA polymerases
(RNAPs). The continuity of transcription can be disrupted by DNA lesions that arise from the …
(RNAPs). The continuity of transcription can be disrupted by DNA lesions that arise from the …
Protein structure dynamics by crosslinking mass spectrometry
Crosslinking mass spectrometry captures protein structures in solution. The crosslinks reveal
spatial proximities as distance restraints, but do not easily reveal which of these restraints …
spatial proximities as distance restraints, but do not easily reveal which of these restraints …
Basis of narrow-spectrum activity of fidaxomicin on Clostridioides difficile
Fidaxomicin (Fdx) is widely used to treat Clostridioides difficile (Cdiff) infections, but the
molecular basis of its narrow-spectrum activity in the human gut microbiome remains …
molecular basis of its narrow-spectrum activity in the human gut microbiome remains …
Structural basis for intrinsic transcription termination
Efficient and accurate termination is required for gene transcription in all living organisms,.
Cellular RNA polymerases in both bacteria and eukaryotes can terminate their transcription …
Cellular RNA polymerases in both bacteria and eukaryotes can terminate their transcription …
Dissecting diazirine photo-reaction mechanism for protein residue-specific cross-linking and distance map**
Y Jiang, X Zhang, H Nie, J Fan, S Di, H Fu… - Nature …, 2024 - nature.com
While photo-cross-linking (PXL) with alkyl diazirines can provide stringent distance restraints
and offer insights into protein structures, unambiguous identification of cross-linked residues …
and offer insights into protein structures, unambiguous identification of cross-linked residues …
[HTML][HTML] Structural insights into RNA-mediated transcription regulation in bacteria
RNA can regulate its own synthesis without auxiliary proteins. For example, U-rich RNA
sequences signal RNA polymerase (RNAP) to pause transcription and are required for …
sequences signal RNA polymerase (RNAP) to pause transcription and are required for …
Structural basis of transcription activation by the global regulator Spx
J Shi, F Li, A Wen, L Yu, L Wang, F Wang… - Nucleic Acids …, 2021 - academic.oup.com
Spx is a global transcriptional regulator in Gram-positive bacteria and has been inferred to
efficiently activate transcription upon oxidative stress by engaging RNA polymerase (RNAP) …
efficiently activate transcription upon oxidative stress by engaging RNA polymerase (RNAP) …
Molecular basis for RNA polymerase-dependent transcription complex recycling by the helicase-like motor protein HelD
In bacteria, transcription complexes stalled on DNA represent a major source of roadblocks
for the DNA replication machinery that must be removed in order to prevent damaging …
for the DNA replication machinery that must be removed in order to prevent damaging …
Mycobacterial HelD is a nucleic acids-clearing factor for RNA polymerase
T Kouba, T Koval', P Sudzinová, J Pospíšil… - Nature …, 2020 - nature.com
RNA synthesis is central to life, and RNA polymerase (RNAP) depends on accessory factors
for recovery from stalled states and adaptation to environmental changes. Here, we …
for recovery from stalled states and adaptation to environmental changes. Here, we …
Structural basis of promoter recognition by Staphylococcus aureus RNA polymerase
L Yuan, Q Liu, L Xu, B Wu, Y Feng - Nature Communications, 2024 - nature.com
Bacterial RNAP needs to form holoenzyme with σ factors to initiate transcription. While
Staphylococcus aureus σA controls housekee** functions, S. aureus σB regulates …
Staphylococcus aureus σA controls housekee** functions, S. aureus σB regulates …