Study reveals structural mechanism regulating bacterial lipopolysaccharide transport
Researchers used cryo-electron microscopy and biochemical assays, including ATP binding and hydrolysis measurements, to characterize the LPS transport (Lpt) machinery in bacteria, focusing on proteins LptC and LptA. The team engineered bacterial strains lacking these genes and complemented them with a fusion protein to verify how the transport complex assembles and functions across the cell envelope.