The metabolites from three monocotyledonous and three dicotyledonous plants were respectively utilized to regulate the expression of virulence (Vir) genes in Agrobacterium tumefaciens.

• 本文研究了六种植物(三种单子叶植物、三种双子叶植物)愈伤组织的渗出物和抽提物对农杆菌Vir基因表达的调节作用。