Researchers discover that bacteria break down medicinal compounds for their nitrogen, solving a mystery that has vexed aquatic veterinarians for years.
Immunologists and parasitologists are working to revive the idea that helminths, and more specifically the molecules they secrete, could help treat allergies and autoimmune disease.
In bacteriophage genomes, researchers find three anti-CRISPR proteins that naturally inhibit CRISPR-Cas9 in one bacterial species and can do the same in human cells.