Molecular function of florigen.

Molecular function of florigen.
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DOI:
10.1270/jsbbs.17026
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发表时间:
2017-09
期刊:
影响因子:
2.4
通讯作者:
Tsuji H
Tsuji H
中科院分区:
农林科学3区
文献类型:
--
作者:
Tsuji H

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成花素是植物体内的一种可移动的开花信号,对植物的繁殖有很大的影响,被认为是作物改良的重要目标之一。在分子水平上,成花素是由开花基因T(FT)编码的一种蛋白质产物,该基因在开花植物中高度保守,因此对该蛋白的理解有望应用于许多作物的改良。植物分子遗传学、细胞生物学和结构生物学的最新进展揭示了成花素的细胞间受体的存在,这是成花素发挥功能所必需的转录复合体,也揭示了成花素在开花后具有多效性的分子基础。此外,先进的技术,如活细胞成像和下一代测序,揭示了成花素和成花素激活复合体(FAC)的转录靶标在花转换的早期阶段的精确分布。这些认识将通过对开花和其他植物发育过程的调控,帮助未来的作物改良。
Florigen is a mobile flowering signal in plants that has a strong impact on plant reproduction and is considered one of the important targets for crop improvement. At the molecular level, florigen is represented as a protein product encoded by the FLOWERING LOCUS T (FT) gene, which is highly conserved across flowering plants and thus the understanding of this protein is expected to be applied to the improvement of many crops. Recent advances in molecular genetics, cell biology and structural biology in plants revealed the presence of intercellular receptors for florigen, a transcriptional complex essential for florigen to function, and also shed light on the molecular basis of pleiotropic function of florigen beyond flowering. Furthermore, cutting-edge technologies, such as live cell imaging and next generation sequencing revealed the precise distribution of florigen and transcriptional targets of the florigen activation complex (FAC) during early stages of floral transition. These understandings will help future crop improvement through the regulation of flowering and other plant developmental processes.
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