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LEAFY blossoms
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AI
DOI：10.1016/j.tplants.2010.03.007.png)
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摘要
En 中文
The LEAFY (LFY) gene of Arabidopsis and its homologs in other angiosperms encode a unique plant-specific transcription factor that assigns the floral fate of meristems and plays a key role in the patterning of flowers, probably since the origin of flowering plants. LFY-like genes are also found in gymnosperms, ferns and mosses that do not produce flowers, but their role in these plants is poorly understood. Here, we review recent findings explaining how the LFY protein works and how it could have evolved throughout land plant history. We propose that LFY homologs have an ancestral role in regulating cell division and arrangement, and acquired novel functions in seed plants, such as activating reproductive gene networks.
Keyword:
MADS-BOX GENES
FLORAL MERISTEM IDENTITY
FLOWER DEVELOPMENT
ORGAN IDENTITY
EVO-DEVO
INFLORESCENCE ARCHITECTURE
MORPHOLOGICAL EVOLUTION
FLORICAULA/LEAFY GENES
FUNCTIONAL-ANALYSIS
PLANT ARCHITECTURE
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