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Updated: Jul 10, 2026
07:35
Single-Cell Analysis of the Expression of Pseudomonas syringae Genes within the Plant Tissue
Published on: October 6, 2022
Separation of plant pathogens from different hosts and tissues by capillary electromigration techniques
Marie Horká1, Jaroslav Horký, Hana Matousková
1Institute of Analytical Chemistry, v. v. i., Academy of Sciences of the Czech Republic, Veverí 97, 602 00 Brno, Czech Republic. horka@iach.cz
Analytical Chemistry
|November 14, 2007
Summary
Capillary isoelectric focusing and electrophoresis successfully separated plant pathogens from plant tissues. This method offers a sensitive alternative for identifying bacterial plant diseases.
Area of Science:
- Plant Pathology
- Analytical Chemistry
- Microbiology
Background:
- Accurate identification of plant pathogens is crucial for disease management.
- Traditional methods for pathogen identification can be time-consuming and complex.
Purpose of the Study:
- To apply capillary isoelectric focusing and capillary zone electrophoresis for separating and detecting various plant pathogens.
- To compare the efficacy of capillary electromigration with gas chromatographic analysis for pathogen identification.
Main Methods:
- Capillary isoelectric focusing (cIEF) and capillary zone electrophoresis (CZE) were employed.
- UV and fluorescence detection were used for native and modified phytopathogens.
- Dynamic modification involved a nonionogenic fluorescent tenside (pyrenebutanoate).
Main Results:
- Successful separation and detection of nine different plant pathogens were achieved.
- Isoelectric points of labeled phytopathogens were comparable to native compounds.
- No host influence on the isoelectric points of Pseudomonas strains was observed.
- Capillary electromigration effectively separated microbes directly from plant tissue suspensions.
Conclusions:
- Capillary electromigration techniques provide a sensitive and efficient method for plant pathogen separation and detection.
- This approach is suitable for direct analysis of microbes from plant tissues.
- Results show promise as an alternative to traditional identification methods like fatty acid methyl ester analysis.
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