EARLY FLOWERING3 encodes a novel protein that regulates circadian clock function and flowering in Arabidopsis
EARLY FLOWERING3 encodes a novel protein that regulates circadian clock function and flowering in Arabidopsis
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DOI：
10.1105/tpc.13.6.1281
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发表时间：
2001-06-01
期刊：
影响因子：
11.6
通讯作者：
Wagner, DR
中科院分区：
文献类型：
--
作者：
Hicks, KA;Albertson, TM;Wagner, DR
高等植物利用光周期信号来调节发育的许多方面，包括从营养向花发育的过渡。早花3（ELF3）基因是拟南芥光周期开花和正常昼夜节律调节所必需的。我们通过定位方法克隆了ELF3，发现它编码一种新的695个氨基酸的蛋白质，可能作为转录调节因子发挥作用。ELF3转录水平以昼夜节律的方式调节，正如zeitnehmer输入途径组分所预期的那样。晚伸长下胚轴基因，已被提出作为一个时钟组件的功能，过表达没有取消昼夜调节ELF3转录，提供了进一步的证据表明，ELF3是一个昼夜时钟输入途径组件。
Higher plants use photoperiodic cues to regulate many aspects of development, including the transition from vegetative to floral development. The EARLY FLOWERING3 (ELF3) gene is required for photoperiodic flowering and normal circadian regulation in Arabidopsis. We have cloned ELF3 by positional methods and found that it encodes a novel 695-amino acid protein that may function as a transcriptional regulator. ELF3 transcript level is regulated in a circadian manner, as is expected of a zeitnehmer input pathway component. Overexpression of the LATE ELONGATED HYPO-COTYL gene, which has been proposed to function as a clock component, did not abolish circadian regulation of ELF3 transcription, providing further evidence that ELF3 is a circadian clock input pathway component.