High expression of ethylene response factor BcERF98 delays the flowering time of non-heading Chinese cabbage.

IF 3.6 3区 生物学 Q1 PLANT SCIENCES
Planta Pub Date : 2024-07-11 DOI:10.1007/s00425-024-04479-y
Yan Li, Yu Tao, Aimei Bai, Zhanghong Yu, Shuilin Yuan, Haibin Wang, Tongkun Liu, Xilin Hou, Ying Li
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Abstract

Main conclusion: BcERF98 is induced by ethylene signaling and inhibits the expression of BcFT by interacting with BcNF-YA2 and BcEIP9, thereby inhibiting plant flowering. Several stresses trigger the accumulation of ethylene, which then transmits the signal to ethylene response factors (ERFs) to participate in the regulation of plant development to adapt to the environment. This study clarifies the function of BcERF98, a homolog of AtERF98, in the regulation of plant flowering time mediated by high concentrations of ethylene. Results indicate that BcERF98 is a nuclear and the cell membrane-localized transcription factor and highly responsive to ethylene signaling. BcERF98 inhibits the expression of BcFT by interacting with BcEIP9 and BcNF-YA2, which are related to flowering time regulation, thereby participating in ethylene-mediated plant late flowering regulation. The results have enriched the theoretical knowledge of flowering regulation in non-heading Chinese cabbage (NHCC), providing the scientific basis and gene reserves for cultivating new varieties of NHCC with different flowering times.

Abstract Image

乙烯响应因子 BcERF98 的高表达会延迟不抽头大白菜的开花时间。
主要结论BcERF98受乙烯信号诱导,通过与BcNF-YA2和BcEIP9相互作用抑制BcFT的表达,从而抑制植物开花。几种胁迫会引发乙烯积累,然后将信号传递给乙烯响应因子(ERFs),参与调控植物发育以适应环境。本研究阐明了 AtERF98 的同源物 BcERF98 在高浓度乙烯介导的植物花期调控中的功能。研究结果表明,BcERF98是一种定位在细胞核和细胞膜上的转录因子,对乙烯信号具有高度响应性。BcERF98通过与花期调控相关的BcEIP9和BcNF-YA2相互作用,抑制BcFT的表达,从而参与乙烯介导的植物晚花调控。该研究结果丰富了不发头大白菜花期调控的理论知识,为培育不同花期的不发头大白菜新品种提供了科学依据和基因储备。
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来源期刊
Planta
Planta 生物-植物科学
CiteScore
7.20
自引率
2.30%
发文量
217
审稿时长
2.3 months
期刊介绍: Planta publishes timely and substantial articles on all aspects of plant biology. We welcome original research papers on any plant species. Areas of interest include biochemistry, bioenergy, biotechnology, cell biology, development, ecological and environmental physiology, growth, metabolism, morphogenesis, molecular biology, new methods, physiology, plant-microbe interactions, structural biology, and systems biology.
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