Researchers have discovered a new antibiotic molecule that targets a broad range of disease-causing bacteria — even strains ... The molecule was found in soil samples collected from a laboratory ...

The mixture they made contained Agrobacterium tumefaciens, a soil bacterium that can enter ... In the next 48 hours, the bacteria in the EPLMs transferred their DNA to these tobacco cells.

One stretch of DNA - the code of which matched with a species of bacteria called Agrobacterium - was present in all 291 cultivated sweet potato varieties studied, but not in closely related wild ...