A model for the regulation of tomato flowering by NF-YA3b. (IMAGE)
Caption
A model for the regulation of tomato flowering by NF-YA3b. In this model, NF-YB and NF-YC form heterodimers in the cytoplasm and move to the nucleus, where they recruit NF-YA3b to form heterotrimer protein complexes. The NF-YB/YC/YA3b complex may bind to the promoters of other target genes and be involved in the regulation of other pathways. On the other hand, NF-YA3b may bind directly to the CCAAT cis-element of the SFT promoter and suppress its gene expression, leading to late flowering in tomato.
Credit
Horticulture Research
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CC BY