As a technically simp le and an effective genetic tool which can exert effect on the expression of gene in some degree, and RNAi provides a new way in the study of gene function activity.

• 作为一种简单有效的影响基因表达的工具，RNA干扰已经被广泛应用于许多领域，同时也为基因功能的研究开辟了一条新途径。