Nodulation factors are induced when nodulation genes of Rhizobium are expressed.
根瘤菌结瘤基因表达后诱导产生结瘤因子。
2
Nod factors are a novel general class of signal molecules produced by rhizobia, which play a key function in the initial steps of nodulation.
结瘤因子是由根瘤菌产生的一类信号分子，它们在结瘤的起始阶段发挥着十分重要的作用。
3
Even though the inoculation with Rhizobium could increase the nodulation of Dayiheidou, the nitrogen content of the soybean seedlings dropped slightly.