Soil-borne pathogens such as Verticillium species, invade into the roots of many herbaceous and woody hosts. The xylem environment supplies these with a continuous flow nitrogen-rich nutrition. Detailed quantitative increases in amino acids stems, petioles, leaflets young tomato plants infected Verticillium. albo-atrum causal agent wilt disease, are described this paper for first time. Results ...

BACKGROUND Agrobacterium tumefaciens has long been known to transform plant tissue in nature as part of its infection process. This natural mechanism has been utilised over the last few decades in laboratories world wide to genetically manipulate many species of plants. More recently this technology has been successfully applied to non-plant organisms in the laboratory, including fungi, where t...