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Chitin-degrading bacteria split into on- and away-from-particles subpopulations. Only on-particle cells grow and most disperse after replication, leaving chitinases behind. High dispersal is sustained by remaining cells thriving on leftover chitinases.
Fungi cause devastating crop diseases mediated by the deployment of effectors that suppress host innate immunity. Efficient translation of mRNAs encoding a subset of such effectors determines their secretion and, ultimately, host infection success.
Biochemical characterization of glycogen-degrading enzymes in vaginal bacteria reveals that the vaginal microbiota possesses the ability to metabolize glycogen in this environment.
Quantitative and spatial resolution on the protein interactome of intact human cytomegalovirus virions map host and virus proteins within the multilayered tegument.
The fungal genus Armillaria includes virulent necrotrophic pathogens, unusual wood decayers and the largest terrestrial organisms on Earth. Sahu et al. suggest that horizontal gene transfer contributed to the evolution of some of these unique traits.
CRISPR spacers in DPANN archaea target putative essential genes in their episymbionts and could be a widespread occurrence across diverse archaeal lineages.
Magnaporthe oryzae uses pressurized infection cells called appressoria to physically break the host plant cuticle. A membrane-targeting molecular mechanoprobe is used to quantify changes in membrane tension in appressoria under extreme pressure.
A panel of seven conditional Ly6e knockout mice are used to show that Ly6e expression protects the respiratory tract from severe acute respiratory syndrome coronavirus 2 and mouse hepatitis virus infection.
Multi-omics on a long-term, continuous bioreactor experiment identifies microbes able to respire nitric oxide, a toxic, ozone-depleting, greenhouse gas precursor.
Antibodies against dengue virus are linked to increased risk for severe dengue. This study identified the mechanisms by which these antibodies mediate pathogenic activities, guiding the development of novel approaches to control dengue disease.
The gut commensal Parabacteroides distasonis uses inulin to produce the odd-chain fatty acid pentadecanoic acid, which alleviates non-alcoholic steatohepatitis via improved barrier function in mice.
The plant pathogen Phytophthora sojae produces an effector that targets soybean trehalose-6-phosphate synthase, which leads to enhanced trehalose synthesis. This host-derived trehalose is then used by P. sojae as a carbon source during infection.
d-arginine and d-lysine are chemorepellent molecules sensed by a novel chemotaxis receptor in Vibrio cholerae that trigger a run-away response under adverse conditions.
The soil bacterium Streptomyces iranensis triggers the production of natural products in the fungus Aspergillus nidulans using arginine-derived polyketide signalling molecules.