[HTML][HTML] Mutations in respiratory complex I promote antibiotic persistence through alterations in intracellular acidity and protein synthesis

B Van den Bergh, H Schramke, JE Michiels… - Nature …, 2022 - nature.com
Antibiotic persistence describes the presence of phenotypic variants within an isogenic
bacterial population that are transiently tolerant to antibiotic treatment. Perturbations of …

The dynamic transition of persistence toward the viable but nonculturable state during stationary phase is driven by protein aggregation

L Dewachter, C Bollen, D Wilmaerts, E Louwagie… - MBio, 2021 - Am Soc Microbiol
Decades of research into bacterial persistence has been unable to fully characterize this
antibiotic-tolerant phenotype, thereby hampering the development of therapies effective …

Diadenosine tetraphosphate regulates biosynthesis of GTP in Bacillus subtilis

PI Giammarinaro, MKM Young, W Steinchen… - Nature …, 2022 - nature.com
Diadenosine tetraphosphate (Ap4A) is a putative second messenger molecule that is
conserved from bacteria to humans. Nevertheless, its physiological role and the underlying …

[HTML][HTML] Functions and regulation of translation elongation factors

B Xu, L Liu, G Song - Frontiers in molecular biosciences, 2022 - frontiersin.org
Translation elongation is a key step of protein synthesis, during which the nascent
polypeptide chain extends by one amino acid residue during one elongation cycle. More …

Riboswitches for the alarmone ppGpp expand the collection of RNA-based signaling systems

ME Sherlock, N Sudarsan… - Proceedings of the …, 2018 - National Acad Sciences
Riboswitches are noncoding portions of certain mRNAs that bind metabolite, coenzyme,
signaling molecule, or inorganic ion ligands and regulate gene expression. Most known …

[HTML][HTML] Endogenous rRNA sequence variation can regulate stress response gene expression and phenotype

CM Kurylo, MM Parks, MF Juette, B Zinshteyn… - Cell reports, 2018 - cell.com
Prevailing dogma holds that ribosomes are uniform in composition and function. Here, we
show that nutrient limitation-induced stress in E. coli changes the relative expression of …

An essential poison: synthesis and degradation of cyclic di-AMP in Bacillus subtilis

J Gundlach, FMP Mehne, C Herzberg… - Journal of …, 2015 - Am Soc Microbiol
Gram-positive bacteria synthesize the second messenger cyclic di-AMP (c-di-AMP) to
control cell wall and potassium homeostasis and to secure the integrity of their DNA. In the …

[HTML][HTML] Early molecular events associated with nitrogen deficiency in rice seedling roots

PH Hsieh, CC Kan, HY Wu, HC Yang, MH Hsieh - Scientific reports, 2018 - nature.com
Nitrogen (N) deficiency is one of the most common problems in rice. The symptoms of N
deficiency are well documented, but the underlying molecular mechanisms are largely …

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 …

Branching out: Alterations in bacterial physiology and virulence due to branched-chain amino acid deprivation

JC Kaiser, DE Heinrichs - MBio, 2018 - Am Soc Microbiol
The branched-chain amino acids (BCAAs [Ile, Leu, and Val]) represent important nutrients in
bacterial physiology, with roles that range from supporting protein synthesis to signaling and …