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Cytoskeleton remodeling: a central player in plant-fungus interactions
Jyotsna Sinha1, Yeshveer Singh2, Praveen Kumar Verma1
1Plant Immunity Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
Journal of Experimental Botany
|April 11, 2024
Summary
Plant and fungal cytoskeletons dynamically remodel during interactions. This remodeling is crucial for plant immunity and fungal colonization, with phytohormones playing a key regulatory role in these processes.
Area of Science:
- Plant biology
- Mycology
- Cell biology
Background:
- The eukaryotic cytoskeleton, composed of actin filaments and microtubules, is vital for cellular functions like shape, division, and trafficking.
- While the cytoskeleton's general roles are known, its specific functions in plant-fungus interactions are not well understood.
- Both plants and fungi exhibit cytoskeleton remodeling in response to each other, impacting immunity and colonization.
Purpose of the Study:
- To review recent advances in understanding cytoskeleton dynamics during plant-fungus interactions.
- To explore the relationship between phytohormones and cytoskeleton remodeling in plant defense against fungal pathogens.
- To highlight the role of fungal cytoskeleton rearrangements in host colonization.
Main Methods:
- Literature review of recent research on cytoskeleton dynamics in plant-fungus interactions.
- Analysis of studies on plant immune responses involving cytoskeleton remodeling.
- Examination of fungal cytoskeleton rearrangements during host invasion.
- Investigation of phytohormone signaling in modulating cytoskeleton dynamics.
Main Results:
- Plant cytoskeleton remodeling is triggered by fungal invasion, influencing immune receptor trafficking, organelle aggregation, and defense compound transport.
- Cytoskeleton remodeling in plants activates immune responses like salicylic acid signaling and pathogenesis-related gene expression.
- Fungal cytoskeleton remodeling is essential for successful host penetration and colonization.
- Fungal effectors target phytohormones to disrupt the plant's growth-defense balance, mediated by cytoskeleton dynamics.
Conclusions:
- Cytoskeleton dynamics are critical for both plant defense and fungal pathogenesis during their interactions.
- Phytohormones are key regulators of plant cytoskeleton remodeling, often manipulated by fungi.
- Further research into cytoskeleton rearrangements offers potential for novel strategies against fungal plant diseases.
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