Agrobacterium tumefaciens

例句：

1. 1.This strain of bacteria is used in agriculture to improve soil fertility.
   这种细菌用于农业，以提高土壤肥力。
2. 2. The bacteria can cause diseases in plants, which can be harmful to humans.
   这种细菌可以导致植物疾病，对人类有害。
3. 3.Researchers have been studying the effects of this bacterium on plant growth and development.
   研究人员一直在研究这种细菌对植物生长和发育的影响。