771 papers
Microbiology explores the invisible world of tiny life forms that shape our health, environment, and even the air we breathe. From bacteria and viruses to fungi and parasites, this field investigates how these microscopic organisms interact with us and each other, driving everything from disease outbreaks to beneficial fermentation processes. Understanding them is crucial for developing new medicines, improving food safety, and combating global health challenges.
At Gist.Science, we make the latest discoveries in this dynamic field accessible to everyone. We process every new preprint uploaded to bioRxiv in this category, transforming dense academic findings into both clear, plain-language explanations and detailed technical summaries. This ensures that whether you are a student, a researcher, or simply curious, you can grasp the significance of cutting-edge science without getting lost in jargon.
Below are the most recent papers in microbiology, curated and summarized directly from the bioRxiv server to keep you at the forefront of discovery.
This paper presents a third-generation lentiviral vector system that incorporates fluorescent proteins into the HIV-1 Gag polyprotein to enable high-biosafety, single-particle flow virometry analysis of viral envelope proteins and their non-genetic diversity through flexible pseudotyping.
This study demonstrates that *Lacticaseibacillus paracasei* SRG, isolated from the vaginal microbiota of healthy women, exhibits strong probiotic properties and produces heat- and protease-resistant, pH-dependent antimicrobial metabolites in its cell-free supernatant that effectively inhibit uropathogens, highlighting its potential as a novel probiotic candidate for managing urinary tract infections.
This study reveals that despite their phylogenetic proximity, the nematophagous fungi *Esteya floridanum* and *E. vermicola* elicit distinct early transcriptional responses in the pinewood nematode *Bursaphelenchus xylophilus* at one hour post-inoculation, characterized by divergent proteolytic and lysosomal activation patterns alongside a shared downregulation of xenobiotic and carbon metabolism pathways.
This study applies independent component analysis (ICA) to a large compendium of *Escherichia coli* TraDIS-Xpress fitness data to decompose complex genotype-phenotype relationships into distinct functional and expression modules (fxModules), enabling the accurate, annotation-independent identification of known resistance mechanisms and the discovery of novel gene linkages across diverse stress conditions.
This study establishes an RNA-FISH-based screening platform to systematically optimize DNA-PAINT imager-docking pairs within intact Gram-negative bacteria, enabling high-quality, multiplexed 3D super-resolution imaging of bacterial structures and RNA clusters.
A six-year longitudinal study of the HELIUS multi-ethnic cohort reveals that while gut microbiota composition undergoes some temporal change, significant ethnic differences in both microbial composition and functional capacity persist in a shared urban environment, with a projected half-life of roughly two decades for these disparities.
This study reveals that the protein Crl regulates both RpoS-dependent and RpoS-independent gene transcription in *Escherichia coli* during exponential growth in an environment-specific, bidirectional manner, thereby expanding the understanding of Crl's regulatory mechanisms beyond the stationary phase.
This study demonstrates that the *Staphylococcus aureus* type VII secretion system (T7SSb), particularly through its effectors EsxA and EsxC, delays inflammatory macrophage cell death (necroptosis and pyroptosis) by suppressing calcium signaling and modulating oxidative stress, thereby enhancing bacterial survival and altering infection outcomes in both cellular and murine models.
This study demonstrates that targeted depletion of abundant ribosomal RNAs and plant-infecting tobamoviruses in wastewater metatranscriptomes significantly reduces background noise, thereby enabling the detection of low-abundance human and animal pathogens that are otherwise undetectable.
This study identifies the anticancer drug clofarabine as a potent anti-virulence agent that inhibits enteric pathogen growth and Type III secretion by disrupting ATP-dependent translation, a mechanism countered by bacterial enzymatic cleavage and accompanied by an uncharacterized suppression of protein translation in human monocytes.