Scientists discover 18 new species of gut microbes in search for origins of antibiotic resistance

In a paper published February 28 in Proceedings of the National Academy of Sciences (PNAS), a research team describes the discovery of 18 never-before-seen species of bacteria of the Enterococcus type that contain hundreds of new genes—findings that may offer new clues into antibiotic resistance as scientists hunt for ways to curb these infections.