Research Progress on the Hormonal Regulation Related to Adventitious Root Regeneration and Cuttings Rooting in Plants

doi:10.7525/j.issn.1673-5102.2026.01.002

Abstract

Abstract:

Plant adventitious root regeneration is a self-repair or replacement process of damaged structures by the plant body， usually occurring during tissue culture or cutting. During the cutting process， wound stimulation triggers a series of responses and signal transduction that regulates downstream factors， thereby inducing adventitious root formation. Plant hormones play a crucial regulatory role in the process of adventitious root formation. However， the survival rate of cuttings from certain woody plants is relatively low， and the molecular mechanisms by which plant hormones regulate the regeneration of adventitious roots remain unclear. This article reviewed the basic process of adventitious root regeneration in plant cuttings， explored the rules of wound activation signal transduction， and summarized the regulatory molecular mechanisms of hormones， transcription factors， and gene families involved in adventitious root development. It provided a reference for the study of the regeneration mechanism of woody plant cuttings.

Key words: plant regeneration, rooting mechanism, plant hormones, regulation mechanism

CLC Number:

Q945.3

Weiqian WU, Zijian HU, Shiya SHEN, Guifang ZHANG, Jinxing LIN, Xi ZHANG. Research Progress on the Hormonal Regulation Related to Adventitious Root Regeneration and Cuttings Rooting in Plants[J]. Bulletin of Botanical Research, 2026, 46(1): 13-24.

Figures/Tables 4

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基因名称 Gene name	基因功能 Gene function	参考文献 References
ALF4-1 CLF-50 SWN-1	参与不定根起始 Involved in adventitious root initiation	［7-8］
WOX11	参与根冠萌发和生长的激活 Involved in the activation of root crown germination and growth	［8，18］
WOX12	控制根创始细胞的发生 Control of root founder cells occurrence	［27］
WOX5	调控根尖干细胞微环境 Regulation of the root tip stem cell microenvironment	［27］
PLT	维持根尖干细胞微环境 Maintaining the root tip stem cell microenvironment	［7-8］
SCR-SHR	调控静止中心及维持根尖干细胞微环境 Regulation of the quiescent center and maintaining the root tip stem cell microenvironment	［21-22］
ARR1/2	影响细胞分裂素的合成和干细胞活性 Affection on the synthesis of cytokinins and the activity of stem cells	［23］
CLE40，ACR4	调节根尖干细胞自我更新 Regulation of the self-renewal of root tip stem cells	［26］
ERF109	靶向调控茉莉酸信号通路 Targeted regulation of the jasmonate signaling pathway	［28］
ASA1	控制生长素合成 Control of auxin synthesis	［28］
LOG	控制细胞分裂素合成 Control of cytokinin synthesis	［29］