Bacterial Genetics and Biotechnology

The paper develops a theory integrating physical constraints and biological regulations to explain universal osmoresponses in microorganisms, predicting growth thresholds and growth rate changes under osmotic stress.

This study investigates how LptB2FG couples ATP binding and hydrolysis to LPS transport by analyzing conformational changes and interactions in the Lpt complex.

This study uses time-resolved cryo-EM to visualize early intermediates in bacterial RNA polymerase promoter melting, revealing key steps in the formation of the transcription-competent open complex.

This study identifies key factors and regulators controlling natural transformation in Lactococcus lactis, revealing a unique regulatory network involving carbon/nitrogen sensors and the Clp degradation machinery.

The paper reports the structure and function of PrgK, a component of the T4SS in pCF10, revealing its muramidase activity and self-regulating domains.

The paper investigates how Lon protease degradation of FixT affects FixLJ signaling in Caulobacter crescentus, showing that FixT dynamics influence heme biosynthesis but not other Lon-related phenotypes.

This study tracks elongasome dynamics in Bacillus subtilis using single molecule fluorescence microscopy and shows molecular motor tug-of-war regulates processivity and termination events.

The paper shows that H-NS and TsrA regulate horizontally acquired elements in a clinical isolate of V. cholerae, with TsrA modulating H-NS activity and independently affecting gene expression.

This study investigates how cytoplasmic phosphate levels regulate the phosphate starvation response in Caulobacter crescentus, revealing distinct physiological and transcriptional responses to environmental and cytoplasmic phosphate changes.

IMPRINT uses cell-free transcription-translation to methylate DNA, bypassing bacterial restriction and improving transformation efficiency in diverse bacteria.

This study shows that Lactobacillus strains increase Salmonella Typhimurium's tolerance to azithromycin through two distinct mechanisms involving envelope homeostasis and metabolic changes.

This study repurposes Hsp90 inhibitors as antimicrobials targeting bacterial two-component systems, finding that DPP analogues disrupt bacterial membranes and show antimicrobial activity against Gram-positive bacteria.

This study analyzes Rho factor diversity in bacterial genomes, finding that most bacteria have atypical Rho structures with novel features and potential functional roles.

This study investigates the functional differences between YhdP and TamB in phospholipid transport in E. coli, revealing differential substrate preferences and roles in maintaining membrane composition under cold stress.

This study investigates how Escherichia coli's chromosome structure and transcriptomic responses change under heat stress, revealing shifts in chromosome interactions and compactness.

This study identifies two small RNAs that regulate flagellar gene expression in Campylobacter jejuni, affecting motility and filament assembly through post-transcriptional mechanisms.

This study identifies MltE and MltC as critical lytic transglycosylases that enable Escherichia coli survival and antibiotic resistance under acidic stress by facilitating daughter cell separation and maintaining membrane integrity.

The paper investigates how ComI, a transmembrane peptide in Bacillus subtilis, inhibits transformation by selectively killing competent cells through permeabilization.

This study identifies the membrane-targeting sequence of bactofilin BacA and reveals its molecular mechanism, conservation across bacterial species, and functional interplay with polymerization and client protein recruitment.

This study identifies three types of single-molecule motions of PG synthesis proteins in Streptococcus pneumoniae, revealing zonal, circumferential movement of core elongasome proteins and distinct behaviors of aPBP1a and MpgA.

This study shows that the Alx protein, regulated by a riboswitch, exports excess Mn2+ in E. coli under alkaline conditions to maintain intracellular Mn2+ homeostasis.

This study shows that RNase E autoregulation in Caulobacter crescentus involves phase-separation and 5 UTR cleavage, enhancing fitness through proper mRNA decay control.

This paper investigates how copper resistance in Pseudomonas is regulated by cross-talk between conserved and accessory two-component systems, revealing their integration into regulatory networks.

The paper shows that membrane affinity differences between MinD monomer and dimer are not crucial for MinD gradient formation in Bacillus subtilis, instead diffusion rate differences are important.

This study investigates metabolic rewiring in Escherichia coli persister cells, showing that Crp/cAMP shifts metabolism to oxidative phosphorylation, with energy metabolism critical for survival.

This study develops a comprehensive genetic toolbox for Streptococcus pyogenes, including plasmids, promoters, and reporters, to facilitate gene function studies and virulence mechanism analysis.

The paper identifies a conserved inhibitory interdomain interaction in HTCSs that suppresses DNA-binding activity in Bacteroides until phosphorylation occurs.

The paper investigates how GafY and GafZ regulate the CcGTA gene cluster in Caulobacter crescentus through transcriptional activation and anti-termination mechanisms.

This study identifies the σD envelope stress response in Corynebacterium glutamicum as critical for monitoring mycolic acid and arabinogalactan biosynthesis defects, revealing its role in envelope integrity maintenance.

This paper shows that deletion of the yqgC-sodA operon in Bacillus subtilis causes Mn sensitivity by reducing Mn efflux and inhibiting Mg-dependent enzymes, distinct from efflux-deficient mutants.