Arabidopsis Leaf Assay
Arabidopsis Leaf Assay - Related Videos
02:58
An Assay to Detect Oxidative Burst in Arabidopsis Leaf Discs upon Immune Elicitation
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2025
This video demonstrates an assay to measure oxidative burst in Arabidopsis leaves upon immune elicitation. Leaf discs, cut from plant leaves, are incubated with bacterial peptides functioning as microbe-associated molecular patterns or MAMPs. Upon detection of the MAMPs, plant cells induce the production of extracellular ROS, which is detected using a chemiluminescence assay.
11:50
Bacterial Leaf Infiltration Assay for Fine Characterization of Plant Defense Responses using the Arabidopsis thaliana-Pseudomonas syringae Pathosystem
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Cited by 47 •
2015
Quantification of pathogen growth is a powerful tool to characterize various Arabidopsis thaliana (hereafter: Arabidopsis) immune responses. The method described here presents an optimized syringe infiltration assay to quantify the Pseudomonas syringae pv. maculicola ES4326 growth in adult Arabidopsis leaves.
09:56
A Stepwise Guide to the Isolation and Analysis of Leaf Surface and Apoplastic RNA Using Arabidopsis Rosettes
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2025
We describe a simple yet highly reproducible method to isolate extracellular RNA from the leaf surface and apoplast of Arabidopsis plants.
07:45
Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana
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Cited by 1 •
2021
Many plant species change the positioning of chloroplasts to optimize light absorption. This protocol describes how to use a straightforward, home-built instrument to investigate chloroplast movement in Arabidopsis thaliana leaves using changes in the transmission of light through a leaf as a proxy.
07:03
Assessing Stomatal Response to Live Bacterial Cells using Whole Leaf Imaging
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Cited by 38 •
2010
We have developed a simple and reproducible protocol to access stomatal response to live bacteria. This method minimizes wounding and manipulation of the leaf as compared to the use of epidermal peels reported previously.
FAQs
The assay connects exposure to a pathogen or microbial suspension with measurable defense-associated changes in the leaf. By examining disease symptoms, pathogen growth, and immune-related responses under controlled conditions, researchers can investigate how Arabidopsis recognizes infectious agents and how signaling pathways contribute to resistance. This links an observed infection outcome with underlying plant immune mechanisms.
Mutant lines provide a genetic comparison for determining whether particular plant functions influence infection outcomes. Researchers can compare disease symptoms, pathogen growth, or defense-associated changes between altered lines and other Arabidopsis material. Differences between these groups help identify genetic contributions to pathogen recognition, immune signaling, and resistance without relying on observations from a single plant background.
The assay outcome can vary with the Arabidopsis line, the microbial strain, and any treatment applied before or during testing. These comparisons may produce differences in symptoms, pathogen growth, or defense-associated changes. Controlled conditions are important because they help researchers attribute observed disease outcomes to the biological variable under investigation rather than to uncontrolled experimental differences.
A typical workflow begins with detached or intact Arabidopsis leaves, followed by inoculation with a pathogen or microbial suspension. The treated leaves are maintained under controlled conditions, and researchers then monitor disease symptoms, pathogen growth, or defense-associated changes. The resulting measurements can be compared across plant lines, microbial strains, or treatments to evaluate infection and immunity.
Such comparisons are useful when the goal is to determine why infection outcomes differ. Researchers may expose leaves to distinct microbial strains or apply treatments that alter disease outcomes, then assess symptoms, pathogen growth, or defense-associated responses. This design supports systematic analysis of how infectious agents and experimental conditions influence plant immunity and resistance.
In this subject area, the assay provides a controlled system for examining interactions between plant tissues and infectious agents. Its well-characterized immune system and extensive genetic resources support studies of pathogen recognition, signaling pathways, and resistance mechanisms. Researchers can therefore connect genetic differences or experimental treatments with measurable changes in disease and defense responses.