This paper discusses the characteristics of the key elements in auxin signaling pathway,such as ABP,Rac/Rop,MAPK,ARE,ARF,Aux/IAA,complex of SCF~(TIR1),and their roles in cotton fiber development.

• 按照从细胞外到细胞核内的次序,依次介绍了生长素信号转导途径中的重要元件ABP、Rac/Rop、MAPK、ARE、ARF、Aux/IAA、SCFTIR1复合体的特征及其在棉纤维发育中的作用。