653 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 study reveals that ribonucleotide reductase (RNR)-encoding marine viruses, comprising approximately 10% of the virioplankton community, exhibit distinct biogeographic distributions driven by oceanic biogeochemical factors such as iron and manganese availability, while also harboring novel phylogenetic diversity in their RNR genes.
This study demonstrates that *Leptomonas seymouri*, often co-isolated with *Leishmania donovani* and its associated virus, can actively replicate within mammalian macrophages and enhance host cell survival, revealing a complex "triple-pathogen" interaction that may influence the pathogenesis of visceral and post-kala-azar dermal leishmaniasis.
Although the Mas receptor agonist AVE0991 reduced viral titers and cytokine levels in vitro, it unexpectedly exacerbated disease severity in murine models of influenza and SARS-CoV-2 infection, highlighting a critical discordance between in vitro and in vivo effects that warrants caution in applying RAS-targeted therapies to acute viral respiratory diseases.
By analyzing multi-year paired DNA and RNA time series from a freshwater microbial community, this study reveals strong seasonal oscillations in microbial dynamics, develops a macroecological model incorporating time-dependent carrying capacity, and demonstrates that while RNA:DNA ratios across species reflect growth, they have limited predictive power for tracking physiological changes within individual species.
This study demonstrates that acute IFN-gamma responses drive chronic pain and sensory neuron injury following Chikungunya virus infection through a neuroimmune mechanism, identifying elevated acute-phase IFN-gamma as a key predictor of persistent arthralgia in both mouse models and human patients.
This study demonstrates that daily oral administration of 4-fluorouridine (4-FlU) starting three days after exposure provides complete post-exposure protection against lethal Nipah virus infection in a hamster model, supporting its further development as a medical countermeasure.
This study reveals that basal ppGpp levels, actively maintained by SpoT through a distributed intramolecular regulatory network, are essential for coordinating metabolic homeostasis with acid resistance by preventing the misallocation of metabolic flux and ensuring the functionality of the Gad acid resistance system.
This study reveals that bacteriophage portal proteins counteract the bacterial stringent response by directly binding to and inhibiting alarmone synthetases (RelA and SpoT), thereby suppressing alarmone accumulation to overcome a host-imposed physiological barrier to viral replication.
Although IncI1-blaCTX-M-1 plasmids transfer readily from chicken to human *E. coli*, their dissemination is primarily limited by significantly higher post-transfer plasmid loss rates and host-specific evolutionary instability in human strains rather than by the initial conjugation efficiency.
This study evaluates the compatibility of six fluorescent probes for assessing cell envelope structure and function in halophilic archaea under extreme conditions, identifying specific limitations such as the unreliable performance of propidium iodide to guide future research on prokaryotes in non-standard environments.