乙烯通过LvMYB5-LvERF113-LvMYB1模块正向调节‘Viviana’百合花青素合成

IF 8.7 1区农林科学 Q1 Agricultural and Biological Sciences

Horticulture Research Pub Date : 2025-02-25 DOI:10.1093/hr/uhaf059

Yibing Zhang, Yibo Sun, Weifeng Du, Shaokun Sun, Shimiao Zhang, Mengyao Nie, Yudong Liu, Muhammad Irfan, Li Zhang, Lijing Chen

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引用次数: 0

摘要

乙烯（ET）影响花青素的合成，尽管其调节作用在不同的植物物种之间可能存在显著差异。在苹果（Malus domestica）中，ET促进花青素的合成，而在拟南芥（Arabidopsis thaliana）中，ET抑制其积累。我们的研究表明，乙烯利（Eth）是一种ET衍生物，可以促进‘Viviana’百合花青素的合成，在切花产业中具有很大的潜力。乙烯影响百合花青素合成的调控机制尚不清楚。在本研究中，我们筛选并鉴定了具有抑制功能的ET诱导的ET反应因子LvERF113。我们的分析表明，LvERF113可以在转录和翻译后水平抑制LvMYB1的负调控功能，促进‘Viviana’百合花青素的合成。此外，LvERF113受到LvMYB5的正调控，形成了LvMYB5-LvERF113- lvmyb1模块，控制‘Viviana’百合通过ET合成花青素。这些发现对花青素合成的ET调控网络有了新的认识，并为ET衍生物在切花产业中的应用提供了理论依据。

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Ethylene positively regulates anthocyanin synthesis in 'Viviana' lily via the LvMYB5-LvERF113-LvMYB1 module

Ethylene (ET) influences the synthesis of anthocyanins, although its regulatory effects can differ significantly across various plant species. In apples (Malus domestica), ET promotes anthocyanin synthesis, whereas in Arabidopsis thaliana, it inhibits its accumulation. Our research showed that ethephon (Eth), an ET derivative, promotes anthocyanin synthesis in 'Viviana' lilies, which has great potential in the cut flower industry. The regulatory mechanism whereby ethylene influences anthocyanin synthesis in lilies remains unclear. In this study, we screened and characterized an ET-induced ET response factors (ERFs), LvERF113, with inhibitory function. Our analyses suggested that LvERF113 could inhibit the negative regulatory function of LvMYB1 at transcriptional and posttranslational levels, promoting anthocyanin synthesis in 'Viviana' lily tepals. In addition, LvERF113 is positively regulated by LvMYB5, forming the LvMYB5-LvERF113-LvMYB1 module controlling anthocyanin synthesis by ET in 'Viviana' lily. These findings offer new insights into the ET regulatory network of anthocyanin synthesis and provide a theoretical basis for the application of ET derivatives in the cut flower industry.

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来源期刊

Horticulture Research Biochemistry, Genetics and Molecular Biology-Biochemistry

CiteScore

11.20

自引率

6.90%

发文量

367

审稿时长

20 weeks

期刊介绍： Horticulture Research, an open access journal affiliated with Nanjing Agricultural University, has achieved the prestigious ranking of number one in the Horticulture category of the Journal Citation Reports ™ from Clarivate, 2022. As a leading publication in the field, the journal is dedicated to disseminating original research articles, comprehensive reviews, insightful perspectives, thought-provoking comments, and valuable correspondence articles and letters to the editor. Its scope encompasses all vital aspects of horticultural plants and disciplines, such as biotechnology, breeding, cellular and molecular biology, evolution, genetics, inter-species interactions, physiology, and the origination and domestication of crops.