agrobacterium
/ˌaɡrəʊbakˈtɪərɪəm/Microbiology
noun
A bacterium of the genus Agrobacterium, which includes Gram-negative aerobic rods found in soil, several of which cause plant galls; also (in form Agrobacterium) the genus itself.
Origin
1940s. From agro- + bacterium, after scientific Latin Agrobacterium, genus name.