Three ways to learn the ABCs

作者: Medard Ng , Martin F Yanofsky

DOI: 10.1016/S1369-5266(99)00036-9

关键词: Arabidopsis thalianaMADS-boxRegulatorEvolutionary biologyPrimordiumABC model of flower developmentHomeoboxLeafyBotanyHomeotic geneBiology

摘要: The ABC model of flower development represents a milestone in explaining how the fate emerging floral organ primordia is specified. This states that identity specified by different combinations activities A, B and C class homeotic genes. In spite remarkable simplicity this model, complex regulatory interactions establish initial pattern gene activity have yet to be fully explained. It has been shown LEAFY functions early promote meristem identity, it subsequently required for normal expression Recently, identified as an immediate upstream regulator genes, thus opening up avenue examine transcriptional underlie patterning.

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