Flowering time regulation produces much fruit.
Flowering time regulation produces much fruit.
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DOI:
10.1016/j.pbi.2008.09.005
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发表时间:
2009-02
影响因子:
9.5
通讯作者:
Michaels, Scott D.
中科院分区:
文献类型:
--
作者:
Michaels, Scott D.
Many of the molecular details regarding the promotion of flowering in response to prolonged exposure to cold temperatures (vernalization) and daylength have recently been elucidated in Arabidopsis. The daylength and vernalization pathway converge in the regulation of floral promoters referred to as floral integrators. In the meristem, vernalization promotes flowering through the epigenetic repression of the floral repressor FLOWERING LOCUS C. This allows for the induction of floral integrators by CONSTANS under inductive long days. In the vasculature of leaves, CONSTANS protein is produced only in long days where it acts to promote the expression of FLOWERING LOCUS T (FT). FT protein is then translocated to the meristem where it acts to promote floral induction. Thus a detailed molecular framework for the regulation of flowering time has now been established in Arabidopsis.
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