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Related Experiment Video

Updated: Jun 25, 2025

Poplar Adventitious Roots Induced by Stem Canker Pathogens: An Experimental System for Studying Roots Biology and Light Response-Related Processes

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Published on: October 11, 2024

PagMYB180 regulates adventitious rooting via a ROS/PCD-dependent pathway in poplar.

Botong Tong¹, Yingli Liu², Yucheng Wang³

¹State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University and Chinese Academy of Forestry, Harbin 150040, China.

Plant Science : an International Journal of Experimental Plant Biology

|May 20, 2024

Summary

This summary is machine-generated.

Researchers identified PagMYB180 as a key regulator of adventitious root (AR) formation in poplar. This transcription factor influences root development through reactive oxygen species (ROS) and programmed cell death (PCD) pathways.

Keywords:

Adventitious root PCD PagMYB180 Populus ROS

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Last Updated: Jun 25, 2025

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Lateral Root Inducible System in Arabidopsis and Maize

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Published on: January 14, 2016

Area of Science:

Plant Biology
Molecular Genetics
Forestry

Background:

Adventitious root (AR) formation is crucial for vegetative propagation in woody plants.
Reactive oxygen species (ROS) act as signaling molecules in plant root development.

Purpose of the Study:

To identify and characterize the role of the R2R3-MYB transcription factor PagMYB180 in regulating AR formation in hybrid poplar (Populus alba × Populus glandulosa).

Main Methods:

Gene expression analysis (transcriptome, RT-qPCR) to study PagMYB180.
Functional analysis through dominant repression and overexpression of PagMYB180.
Assessing AR and lateral root (LR) development, ROS levels, and programmed cell death (PCD).

Main Results:

PagMYB180 acts as a transcriptional repressor, localized in the nucleus.
PagMYB180 repression/overexpression reduced AR quantity but increased AR and LR length.
PagMYB180 influences ROS levels and PCD in root cortex cells, affecting AR development.

Conclusions:

PagMYB180 is a novel regulator of AR formation in poplar.
The study suggests PagMYB180 mediates AR development via a ROS/PCD-dependent pathway.