A newly identified gene family named “parasitoid killing factor” is found in both insect-infecting viruses and their hosts, although researchers can’t yet tell where they originated.
New experiments suggest the famous tumor-suppressing protein uses viral elements lingering in the genome to get cancerous cells to announce their presence to the immune system.
The microbiota helps align a mouse’s innate immune system with its feeding patterns, prepping the animal to fend off infection when it’s most likely to be eating.
A recent sampling from two California streams found nearly all juvenile salmon were infected with deadly parasites, and conditions are expected to worsen.
The US Food and Drug Administration has called for a federal investigation of its own regulatory review process after widespread criticism of its decision on Aduhelm.
In a first, patients who hadn’t been treated with antifungals were found to carry Candida auris impervious to all three available classes of the drugs.
