Steve Bryson, PhD,  science writer—

Pulmonary infection with a specific species of the Mycobacterium avium complex (MAC), called Mycobacterium intracellulare, can be aggressive in people with cystic fibrosis (CF), with a greater loss of lung function evident but a lesser incidence of a secondary lung infection, a single-site study reports. This species also responded best…

Molecules used by a bacterial species against other microbes, called rhamnolipids, can bolster the ability of a standard antibiotic to penetrate treatment-resistant strains of Staphylococcus aureus by essentially making holes in the membrane of its cells, a new study confirms. The study, “…