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Regulation and evolution of the interaction of the seed B3 transcription factors with NF-Y subunits

Abstract : The LAFL genes (LEC2, ABI3, FUS3, LEC1) encode transcription factors that regulate different aspects of seed development, from early to late embryogenesis and accumulation of storage compounds. These transcription factors form a complex network, with members able to interact with various other players to control the switch between embryo development and seed maturation and, at a later stage in the plant life cycle, between the mature seed and germination. In this review, we first summarize our current understanding of the role of each member in the network in the light of recent advances regarding their regulation and structure/function relationships. In a second part, we discuss new insights concerning the evolution of the LAFL genes to address the more specific question of the conservation of LEAFY COTYLEDONS 2 in both dicots and monocots and the putative origin of the network. Last we examine the current major limitations to current knowledge and future prospects to improve our understanding of this regulatory network.
Keywords : Seed
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https://hal.inrae.fr/hal-02627256
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Submitted on : Tuesday, May 26, 2020 - 7:41:55 PM
Last modification on : Tuesday, August 25, 2020 - 3:20:05 PM

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Céline Boulard, Abdelhak Fatihi, Loic Lepiniec, Bertrand Dubreucq. Regulation and evolution of the interaction of the seed B3 transcription factors with NF-Y subunits. Biochimica et Biophysica Acta - Gene Regulatory Mechanisms , Elsevier, 2017, 1860 (10), pp.1069-1078. ⟨10.1016/j.bbagrm.2017.08.008⟩. ⟨hal-02627256⟩

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