Abstract
The phase change from vegetative growth to reproductive growth is the most dramatic development process during the life cycle of plants. The development of maize inflorescence undergoes two periods: the elaboration of the inflorescence and the formation of flowers. Recently, a few genes that control the identity, determinacy and maintenance of all kinds of meristems have been isolated from developmental mutants through forward genetics strategy, and their biological functions, regulatory mechanisms and genetic interaction networks have been well elucidated. These research results have accumulated useful information for elucidating the biological basis of inflorescence architecture of maize. Here, we summarize recent advances in the analysis of maize mutants that alter the identity and function of inflorescence and floral meristems, particularly, emphasizing the genetic interactions and regulatory networks among these isolated genes.
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