🦠 Category

microbiology

768 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.

🦠 microbiology

A closed genome of Streptococcus agalactiae ST347/II reveals a composite integrative element coupling nisin P biosynthesis to erm(B) and tet(O) in Dominican group B Streptococcus

This study presents the first closed genome of a Dominican *Streptococcus agalactiae* ST347/II isolate, revealing a novel composite integrative element that physically links nisin P biosynthesis to clindamycin and tetracycline resistance genes (*erm(B)* and *tet(O)*), thereby establishing a tight genetic association between lantibiotic production and macrolide-lincosamide-streptogramin B resistance that is statistically supported but not physically linked in draft genomes.

Garcia-Encarnacioin, L., De La Cruz-Caminero, D. S., Lopez-Chevalier, H. B.2026-11-04
🦠 microbiology

Competence repression by the SPβ prophage in Bacillus subtilis revealed by transcriptomics across culture conditions

This study reveals that the SPβ prophage in *Bacillus subtilis* represses the host's competence program and reduces transformation efficiency under competence-inducing conditions, demonstrating how mining public transcriptomic data can uncover ecologically relevant prophage-host interactions missed by conventional laboratory stress assays.

Grosboillot, V., Gnidovec, L., Baebler, S., Ule, J., Dragos, A.2026-11-04
🦠 microbiology

Tandem repeats in methanogenic archaea and their viruses reveal a shared potential for rapid genomic diversification

This study reveals that direct tandem repeats serve as a widespread, intrinsic mechanism for rapid genomic diversification and adaptation in methanogenic archaea and their viruses, characterized by high densities, independent origins, and the generation of intrinsically disordered protein regions involved in regulation and surface interactions.

Haiss, S., Skoog, E. J., Herbert, J., Ding, C., Weidenbach, K., Tufail, M. A., Schlaich, S., Molitor, B., Schmitz, R. A. (…)2026-11-03
🦠 microbiology

A rational design strategy and validation for protease-resistant fusion-inhibitor antiviral peptides

This study presents a rational design strategy that successfully overcomes the in vivo instability of peptide-based fusion inhibitors by engineering protease-resistant variants of the SARS-CoV-2 HR2 domain, which demonstrate significantly enhanced efficacy in preventing viral infection compared to the wildtype sequence.

Yang, K., Wang, C., Topi, F., Muratcioglu, S., Kant, R., Strandin, T., Bong, Y. T., Kareinen, L., Mäki, S., Saber, S. H (…)2026-11-02
🦠 microbiology

Defective Viral Genomes Reveal History-dependent Self-regulation of Type I Interferon Dynamics

This study combines experimental data with a Bayesian computational model to demonstrate that defective viral genomes (DVGs) modulate Type I interferon dynamics through a history-dependent negative feedback mechanism, enabling pandemic viruses to replicate successfully by locally suppressing innate immune responses in neighboring cells despite high immunogenicity.

Li, Y., Lourens, C., Nielsen, B. F., Levin, S., Perelson, A. S., Grenfell, B., te Velthuis, A. J. W.2026-10-31
🦠 microbiology

Lipopolysaccharide and Wzi retain capsular polysaccharide at the Klebsiella pneumoniae cell surface and promote bloodstream infection fitness

This study reveals that in *Klebsiella pneumoniae*, lipopolysaccharide and the outer-membrane protein Wzi collectively retain capsular polysaccharide on the cell surface in a divalent cation-dependent manner, a mechanism essential for serum resistance and fitness during bloodstream infection.

Khadka, S., Resko, Z. J., Shepard, G. E., Kinney, E. L., Gates, G. M., Stark, D. J., Mike, L. A.2026-10-31