Bacterial Genetics and Biotechnology

The paper identifies new targets of Escherichia coli OmrA and OmrB sRNAs involved in carbon metabolism and lipogenesis through transcriptome and proteome analyses.

This paper identifies regulators of SutA expression in Pseudomonas aeruginosa, showing SutA is part of a nutrient scavenging network that coordinates protein synthesis and motility during nutrient limitation.

This study identifies intracellular formate as a key mediator of antibiotic susceptibility in Salmonella Typhimurium, showing its role in pH homeostasis and efflux pump function.

This study identifies NagU as the primary uridyltransferase in Staphylococcus aureus for UDP-GlcNAc synthesis, which is essential for cell wall synthesis and regulated by its interaction with DacA.

This study shows filamentation in E. coli improves survival under toxic stress by reducing toxin accumulation through decreased surface area-to-volume ratio.

The paper shows that Salmonella Typhimurium uses switch-like SPI-2 gene expression to probabilistically adapt to uncertain intracellular environments through phenotypic heterogeneity.

This study shows that restriction-modification systems in Neisseria gonorrhoeae are essential for pilin antigenic variation by cleaving specific sequences in pilin loci.

The paper reports structures of Staphylococcus aureus MurJ in different conformational states, revealing insights into its lipid II flipping mechanism and differences between monoderm and diderm bacteria.

The paper shows that the bacterial SOS response, via LexA, regulates ISCR transposase expression, linking antibiotic exposure to increased transposon mobility.

This study shows that low DNA-binding affinity of TfoS promotes its dependence on ChiS for activating PtfoR, which is necessary for optimal Vibrio cholerae fitness on chitin.

The paper presents the atomic cryo-EM structure of an E. coli TatB3C3 complex bound to SufI, revealing a novel architecture and dual-contact mechanism for substrate engagement.

The paper measures the topological linkage change during Xer recombination at the psi site of plasmid pSC101, finding a +4 change consistent with a specific reaction mechanism.

This study characterizes the natural transformation system in Streptococcus constellatus, identifies its regulatory components, and develops an optimized genome editing protocol.

This study shows that HppXCROD2, an H-NS homologue from plasmid pCROD2, selectively binds its own plasmid rather than the host chromosome or other plasmids.

The paper develops fluorescence-based and thermal shift assays to assess binding and activity inhibition of the PhoQ protein, aiding in the development of antibiotics against resistant infections.

This study shows that ligand binding inhibits dimerization of the bacterial histidine kinase PdtaS, thereby repressing its activity and multi-ligand sensing.

The paper uses live-cell imaging to show that E. coli degradosome components dynamically partition between membrane and cytoplasm, affecting RNA degradation based on translation strength and physiological state.

The paper investigates the role of RomRX and MglB in regulating cell polarity in Myxococcus xanthus, showing RomRX acts as an effector of MglAGTP and competes with MglB to modulate complex stability.

This study identifies EpaU as an autolysin that binds the enterococcal polysaccharide antigen and modulates c-di-AMP signaling, affecting antibiotic resistance and cell turgor in Enterococcus faecalis.

This study uses RNA-seq to compare E. coli's transcriptomic responses to sublethal exposure of copper, silver, and gold, revealing distinct and shared adaptive mechanisms.

The paper reconstructs the ancestral flagellar components of the last bacterial common ancestor using phylogenetic analysis and identifies 50 ancestral protein groups, indicating a functionally complete flagellum.

This study investigates the activation and transfer of ICEclc-like elements in Pseudomonas aeruginosa, showing that excision can be induced by stressors like copper and that excision and conjugation are uncoupled processes.

This study uses single-molecule tracking to analyze the behavior of three proteins involved in removing RNA-DNA hybrids during lagging-strand replication in Bacillus subtilis, revealing their dynamic interactions with the replisome and nucleoid.

This study identifies a family of small proteins regulated by c-di-GMP riboswitches that mediate sporulation in C. difficile, showing their role in spore formation and developmental regulation.

This paper identifies a novel heterocyst-specific protein secretion pathway in Anabaena by analyzing nitrogen-responsive extracellular proteomes under different nitrogen conditions.

This study identifies PknB-dependent phosphorylation of CslA as critical for cell wall morphogenesis in Streptomyces, showing how modulating β-glucan synthesis can counteract DivIVA dysregulation.

This study characterizes NapM, a mycobacterial nucleoid-associated protein, showing its stress-induced septal localization and role in modulating cell envelope gene expression.

This study reveals how β-lactam antibiotics interact with the histidine kinase VbrK through redox-dependent cysteine acylation, enabling bacterial resistance.

This paper identifies Teg16 as a small RNA that represses rsbV and modulates SigB-dependent gene expression in Staphylococcus aureus, affecting virulence and metabolic traits.