生长素响应因子(ARFs)介导的植物花器官发育调控网络与作用机制
收稿日期: 2025-09-24
录用日期: 2026-01-09
网络出版日期: 2026-01-15
基金资助
国家自然科学基金(No.32371948)
国家自然科学基金(No.32171849)
The Regulatory Network and Mechanism of Plant Floral Organ Development Mediated by Auxin Response Factors
Received date: 2025-09-24
Accepted date: 2026-01-09
Online published: 2026-01-15
生长素响应因子 (ARFs) 作为生长素信号转导的核心转录因子, 深度参与生长素调控的植物花器官发育的全过程。该文综述了 ARFs 通过响应生长素信号, 在调控花器官分化 (如花原基起始和分生组织维持) 和形态建成 (萼片、花瓣、雄蕊、心皮发育及器官边界调控) 中的关键作用, 同时阐述了 ARFs 与 ABCDE 模型中的 MADS-box 基因之间的协同调控机制, 并揭示了其通过受 miRNA 的转录后调节以及与细胞分裂素等激素信号互作所形成的调控网络, 共同维持花发育稳态的分子基础, 为解析植物花发育的分子机制奠定理论基础, 为花卉分子育种提供理论依据。
刘欣宇 , 戴思兰 . 生长素响应因子(ARFs)介导的植物花器官发育调控网络与作用机制[J]. 植物学报, 2026 , 61(3) : 369 -385 . DOI: 10.11983/CBB25169
Auxin response factors (ARFs), as core transcription factors in auxin signal transduction, are deeply involved in the entire process of auxin-regulated plant floral organ development. This review summarizes the key roles of ARFs in regulating floral organ differentiation (such as floral primordium initiation and meristem maintenance) and morphogenesis (development of sepals, petals, stamens, carpels, and regulation of organ boundaries) by responding to auxin signals. It also elaborates on the coordinated regulatory mechanism between ARFs and MADS-box genes in the ABCDE model, and reveals the molecular basis of the network formed through post-transcriptional regulation by miRNAs and interactions with hormone signals such as cytokinins, which together maintain the homeostasis of floral development. This provides a theoretical basis for analyzing the molecular mechanism of plant floral development and offers a theoretical foundation for molecular breeding of flowers.
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