Detached Maize Sheaths for Live-Cell Imaging of Infection by Fungal Foliar Maize Pathogens

作者： Renata Belisário1, Maria F. Torres1,2, Ester A. S. Buiate1,3, Katia V. Xavier1,4, Etta M. Nuckles1, Lisa J. Vaillancourt1 1Department of Plant Pathology,University of Kentucky, 2Department of Biological Sciences,University of Cincinnati, 3Bayer Crop Science, 4Everglades Research and Education Center,University of Florida

简介：

Overview

This study focuses on an optimized inoculation protocol using detached maize leaf sheaths to investigate the interactions between maize and fungal pathogens. The method allows real-time examination of cellular interactions in unfixed tissues, enhancing the reproducibility of experimental results.

Key Study Components

Research Area

• Plant-pathogen interactions
• Fungal pathogenicity mechanisms
• Maize as a model organism

Background

• Understanding fungal pathogenicity is crucial for improving disease management in crops.
• Previous methods often required clearing or fixation of samples, limiting real-time observation.
• Real-time imaging of cellular interactions can provide insights into plant resistance and susceptibility mechanisms.

Methods Used

• Detached maize leaf sheath inoculation protocol
• Use of Colletotrichum graminicola fungus
• Real-time imaging without fixation

Main Results

• The protocol demonstrated high reproducibility and synchronicity in fungal colonization.
• Real-time observations indicated distinct fungal invasion strategies.
• Results revealed differences in pathogenicity mechanisms between fungi.

Conclusions

• This study demonstrates a novel and effective approach to study maize-fungal interactions.
• The findings have implications for understanding disease resistance in maize and can inform future agricultural practices.

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