Nodfactors 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。
2
This article means to give a brief review on the structure and function of the nodfactors in the early steps of the interaction between Rhizobia and Legumes.
作者主要就这一早期结瘤过程中结瘤因子的结构和功能作一综述。
3
Whether the rice plant can respond to signalling molecules ( i . e. Nodfactors) is an important question, as it could establish the potential for symbiotic nitrogen fixation in rice.