552 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 exploratory study demonstrates that sodium sulfide enhances the invasive growth of the wine yeast strain AWRI 796 under specific nitrogen-limiting and pre-culture conditions, although this effect is significantly modulated by genetic factors and environmental variables.
This study identifies D-gluconate, a host-generated sugar acid that accumulates during gut inflammation, as the primary carbon source fueling *Salmonella* expansion and persistence in both acute and chronic intestinal infections.
This study utilizes transposon sequencing to reveal that intracellular fitness of *Brucella neotomae* relies on specific metabolic pathways for amino acid biosynthesis, aquaporin-mediated water homeostasis, and a hierarchical regulatory cascade initiated by the OmpR1 transcription factor.
This study reveals a novel bacterial defense mechanism where nucleoid-associated proteins act as sentinels that detect phage-induced genome damage by relocating from the nucleoid to the cytoplasm, where they activate diverse immune effectors to halt cellular processes and trigger abortive infection.
This geographically focused genomic study confirms a close phylogenetic link between antibiotic-resistant *E. coli* found in raw meat and commercial raw dog food and those causing human infections in Bristol, UK, supporting the need for stricter microbiological standards for raw pet food and improved risk communication.
This study reveals that a conserved in-frame opal stop codon in alphaviruses serves as a multipotent defense mechanism by facilitating proper polyprotein processing and viral spherule integrity, thereby enabling the virus to evade RNAi-mediated and other innate immune responses in both insect and vertebrate hosts.
This study utilizes deep mutational scanning to demonstrate that while structural robustness allows HIV-1 Vif to tolerate mutations at key binding interfaces, strain-specific and temporal epistasis ultimately shape its fitness landscape by dictating the evolutionary constraints on antagonizing host APOBEC3G.
This study redefines bacterial blotch in white button mushrooms as a multispecies disease complex driven by a diverse array of *Pseudomonas* species, including the previously unassociated *P. azotoformans*, thereby challenging the traditional single-pathogen paradigm and highlighting the urgent need for genomics-informed diagnostic strategies to ensure the sustainability of mushroom cultivation.
This study establishes the tobacco hornworm (*Manduca sexta*) as a sensitive and informative novel model for investigating *Pseudomonas aeruginosa* virulence, demonstrating that the insect exhibits dose-dependent mortality, growth impairment, and heterogeneous responses to infection driven by secreted bacterial products, while offering superior analytical capabilities compared to the commonly used wax moth.
Under iron starvation, *Mycobacterium tuberculosis* overcomes metabolic stalling by partitioning the Krebs cycle into stalled oxidative and active reductive branches, diverting carbon flux to synthesize and secrete malate to maintain central carbon metabolism.