NEWS 29 May 2024 Compound called lolamicin targets a group of harmful microbes but does not disturb those that live peacefully in the gut. Fred Schwaller Gram-negative bacteria such as Klebsiella pneumoniae (artificially coloured) are often resistant to multiple antibiotics, but they succumb to a new compound called lolamicin.Credit: Dr Tony Brain/Science Photo Library They are the stuff of medical nightmares. Pathogens classified as Gram-negative bacteria are often hardy, virulent and quick to ...