植物褪黑素通过调节拟南芥中与萌发相关的激素信号转导来抑制种子萌发。
Phytomelatonin inhibits seed germination by regulating germination-related hormone signaling in Arabidopsis.
机构信息
State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan University, Kunming, China.
出版信息
Plant Signal Behav. 2021 Dec 2;16(12):1970447. doi: 10.1080/15592324.2021.1970447. Epub 2021 Oct 11.
Abstract
Seed germination is a vital initial stage in the life cycle of a plant, which determines subsequent vegetative growth and reproduction. Melatonin acts as a plant's master regulator and is also involved in the process of seed germination. In a recent study, we show that the high concentration melatonin inhibited seed germination in Arabidopsis. Transcriptome and phenotype analysis implied that melatonin-mediated seed germination interacted with phytohormones abscisic acid (ABA), gibberellin (GA), and auxin. In this short communication, we discuss the mechanism of phytomelatonin that inhibits seed germination through ABA, GA, and IAA in Arabidopsis.
摘要
种子萌发是植物生命周期中的一个重要初始阶段，它决定了后续的营养生长和繁殖。褪黑素作为植物的主调控因子，也参与了种子萌发的过程。在最近的一项研究中，我们表明高浓度的褪黑素抑制了拟南芥种子的萌发。转录组和表型分析表明，褪黑素介导的种子萌发与植物激素脱落酸（ABA）、赤霉素（GA）和生长素（IAA）相互作用。在本简讯中，我们讨论了植物褪黑素通过 ABA、GA 和 IAA 抑制拟南芥种子萌发的机制。
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