Bacterial response to oxidative stress and RNA oxidation

AF Seixas, AP Quendera, JP Sousa, AFQ Silva… - Frontiers in …, 2022 - frontiersin.org
Bacteria have to cope with oxidative stress caused by distinct Reactive Oxygen Species
(ROS), derived not only from normal aerobic metabolism but also from oxidants present in …

Oxidative stress in bacteria and the central dogma of molecular biology

M Fasnacht, N Polacek - Frontiers in Molecular Biosciences, 2021 - frontiersin.org
Ever since the “great oxidation event,” Earth's cellular life forms had to cope with the danger
of reactive oxygen species (ROS) affecting the integrity of biomolecules and hampering …

Activation of GCN2 kinase by ribosome stalling links translation elongation with translation initiation

R Ishimura, G Nagy, I Dotu, JH Chuang, SL Ackerman - Elife, 2016 - elifesciences.org
Ribosome stalling during translation has recently been shown to cause neurodegeneration,
yet the signaling pathways triggered by stalled elongation complexes are unknown. To …

Translatomics: the global view of translation

J Zhao, B Qin, R Nikolay, CMT Spahn… - International journal of …, 2019 - mdpi.com
In all kingdoms of life, proteins are synthesized by ribosomes in a process referred to as
translation. The amplitude of translational regulation exceeds the sum of transcription …

VapCs of Mycobacterium tuberculosis cleave RNAs essential for translation

K Winther, JJ Tree, D Tollervey… - Nucleic acids research, 2016 - academic.oup.com
The major human pathogen Mycobacterium tuberculosis can survive in the host organism
for decades without causing symptoms. A large cohort of Toxin–Antitoxin (TA) modules …

YAMAT-seq: an efficient method for high-throughput sequencing of mature transfer RNAs

M Shigematsu, S Honda, P Loher… - Nucleic acids …, 2017 - academic.oup.com
Besides translation, transfer RNAs (tRNAs) play many non-canonical roles in various
biological pathways and exhibit highly variable expression profiles. To unravel the emerging …

Coupling of ribosome synthesis and translational capacity with cell growth

X Dai, M Zhu - Trends in biochemical sciences, 2020 - cell.com
Ribosome and protein synthesis lie at the core of cell growth and are major consumers of
the cellular budget. Here we review recent progress in the coupling of ribosome synthesis …

[HTML][HTML] Degradation of host translational machinery drives tRNA acquisition in viruses

JY Yang, W Fang, F Miranda-Sanchez, JM Brown… - Cell Systems, 2021 - cell.com
Viruses are traditionally thought to be under selective pressure to maintain compact
genomes and thus depend on host cell translational machinery for reproduction. However …

The RNA degradosome promotes tRNA quality control through clearance of hypomodified tRNA

S Kimura, MK Waldor - … of the National Academy of Sciences, 2019 - National Acad Sciences
The factors and mechanisms that govern tRNA stability in bacteria are not well understood.
Here, we investigated the influence of posttranscriptional modification of bacterial tRNAs …

Lemon exosome-like nanoparticles enhance stress survival of gut bacteria by RNase P-mediated specific tRNA decay

C Lei, Y Teng, L He, M Sayed, J Mu, F Xu, X Zhang… - Iscience, 2021 - cell.com
Diet and bile play critical roles in shaping gut microbiota, but the molecular mechanism
underlying interplay with intestinal microbiota is unclear. Here, we showed that lemon …