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Related Experiment Video

Updated: Sep 28, 2025

Quantification of Endogenous Auxin and Cytokinin During Internode Culture of Ipecac

Quantification of Endogenous Auxin and Cytokinin During Internode Culture of Ipecac

Published on: March 15, 2018

Measuring Endogenous GA and IAA.

Yunping Chen¹, Zhiwu Dan¹, Shaoqing Li¹

¹State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, College of Life Sciences, Wuhan University, Wuhan, China.

|March 28, 2022

Summary

This summary is machine-generated.

This study details a method for measuring plant hormones, specifically indole-3-acetic acid (IAA) and gibberellin acid (GA), in rice plants. The protocol uses a high-performance liquid chromatography (HPLC) system for accurate quantification.

Keywords:

GA HPLC IAA Oryza sativa Phytohormones

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Monitoring Plant Hormones During Stress Responses

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Published on: June 15, 2009

Area of Science:

Plant Biology
Biochemistry
Analytical Chemistry

Background:

Plant hormones are crucial regulators of plant growth, differentiation, and development.
Accurate quantification of phytohormones is essential for understanding plant physiology.
Existing methods may require refinement for specific plant tissues.

Purpose of the Study:

To establish a detailed protocol for the extraction and quantification of key plant hormones in rice.
To provide a reliable method for measuring indole-3-acetic acid (IAA) and gibberellin acid (GA) levels.
To facilitate research on hormone-mediated processes in *Oryza sativa*.

Main Methods:

Analysis of phytohormone content using a liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) system.
Development of a high-performance liquid chromatography (HPLC)-based method for hormone extraction and quantification.
Application of the protocol to *Oryza sativa* (rice) tissues.

Main Results:

Successful extraction and quantification of indole-3-acetic acid (IAA) and gibberellin acid (GA) in rice tissues.
Validation of the HPLC-based method for accuracy and reproducibility.
Detailed procedural steps provided for researchers.

Conclusions:

The developed HPLC protocol offers a robust method for analyzing IAA and GA in rice.
This standardized procedure will aid in dissecting the roles of these hormones in rice development.
The findings contribute to advancing plant hormone research and crop improvement strategies.