Microbial genetics and biophysical analyses provide insight into an evolutionarily conserved bile salt receptor complex used by pathogenic bacteria to sense their environment.

A novel component of type III protein secretion systems involved in the assembly of the secretion machine is reported.

The basal body of the type-III secretion system of Yersinia enterocolitica within bacterial membranes shows elasticity and is longer than related isolated systems.

A compendium of critical genomic numbers for viruses through the lenses of different viral classification systems.

Key numbers about the biology of the SARS-CoV-2 virus and the infection of a single human host by the virus have been compiled from the peer-reviewed literature.

A systems-level analysis of the biomedical workforce in the US shows that current strategies to enhance faculty diversity are unlikely to have a significant impact, and that there is a need to increase the number of PhDs from underrepresented minority backgrounds who move on to postdoctoral positions.

A text-mining study suggests that about half of the papers reporting the results of experiments on mice do not report the sex and age of the mice.

The IL-4/IL-4Rα axis directory promotes pathological angiogenesis through communications with bone marrow cells leading to neovascular age-related macular degeneration.