Abstract:

In order to clarify central role of APETALA1(AP1) gene in the regulation network of flower development, recent research progress on regulation network and biological roles of AP1 gene of Arabidopsis thaliana are reviewed emphatically in the present paper and the future studies on the regulatory mechanism of flower development are also discussed. AP1 is a key gene in regulation network of flower development, because it is the crucial identity gene of a flower meristem and the floral organ identity gene. AP1 plays an important role in flower meristem differentiation, flower bud initiation and floral organ development by interaction and coordination with other regulatory genes.