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Related Experiment Video

Updated: Mar 21, 2026

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

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

Published on: October 11, 2024

A positive role for hydrogen gas in adventitious root development.

Yongchao Zhu¹, Weibiao Liao¹

¹a College of Horticulture, Gansu Agricultural University , Lanzhou , PR China.

Plant Signaling & Behavior

|May 13, 2016

Summary

Hydrogen gas (H2) significantly promotes adventitious root development in cucumber plants. This study reveals H2 as a key signaling molecule influencing plant growth and stress resistance.

Keywords:

Adventitious rooting hydrogen gas nitric oxide

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Published on: July 22, 2017

Area of Science:

Plant Physiology
Molecular Biology
Horticulture

Background:

Adventitious root development is crucial for plant vegetative propagation.
Plant growth and stress resistance are modulated by signaling molecules like hydrogen gas (H2).
Previous research indicates H2 influences fruit senescence and flowering time.

Purpose of the Study:

To investigate the role of hydrogen gas (H2) in adventitious root development in cucumber.
To explore the dose-dependent effects of H2 on rooting.
To elucidate the molecular pathways and genes involved in H2-mediated adventitious rooting.

Main Methods:

Experimental application of hydrogen gas (H2) to cucumber plants.
Analysis of dose-dependent effects on adventitious root formation.
Investigation of potential involvement of nitric oxide (NO) and carbon oxide (CO) pathways.
Assay of rooting-related enzymes and gene expression analysis.

Main Results:

Hydrogen gas (H2) was found to regulate adventitious root development in a dose-dependent manner.
Rooting-related enzymes, including peroxidase, polyphenol oxidase, and indoleacetic acid oxidase, are essential for H2-induced rooting.
Specific genes such as CsDNAJ-1, CsCPDK1/5, CsCDC6, CsAUX228-like, and CsAUX22D-like were identified as involved in the process.

Conclusions:

Hydrogen gas (H2) is an effective gaseous signal molecule promoting adventitious root development in cucumber.
H2 may modulate the HO-1/CO pathway, potentially involving the NO pathway.
The study identifies key enzymes and genes critical for H2-mediated adventitious rooting, offering insights into plant propagation.