Shared signals, different fates: Calcium and ROS in plant PRR and NLR immunity

Weralupitiya, Chanusha; Eccersall, Sophie; Meisrimler, Claudia-Nicole

doi:10.1016/j.celrep.2024.114910

Cell Reports

2024

DOI: 10.1016/j.celrep.2024.114910

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Shared signals, different fates: Calcium and ROS in plant PRR and NLR immunity

Chanusha Weralupitiya,

Sophie Eccersall,

Claudia-Nicole Meisrimler

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2024

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Response of Arabidopsis thaliana to Flooding with Physical Flow

Kaji,

Katano,

Anee

et al. 2024

Plants

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Flooding causes severe yield losses worldwide, making it urgent to enhance crop tolerance to this stress. Since natural flooding often involves physical flow, we hypothesized that the effects of submergence on plants could change when combined with physical flow. In this study, we analyzed the growth and transcriptome of Arabidopsis thaliana exposed to submergence or flooding with physical flow. Plants exposed to flooding with physical flow had smaller rosette diameters, especially at faster flow rates. Transcriptome analysis revealed that “defense response” transcripts were highly up-regulated in response to flooding with physical flow. In addition, up-regulation of transcripts encoding ROS-producing enzymes, SA synthesis, JA synthesis, and ethylene signaling was more pronounced under flooding with physical flow when compared to submergence. Although H2O2 accumulation changed in response to submergence or flooding with physical flow, it did not lead to lipid peroxidation, suggesting a role for ROS as signaling molecules under these conditions. Multiple regression analysis indicated possible links between rosette diameter under flooding with physical flow and the expression of Rbohs and SA synthesis transcripts. These findings suggest that pathogen defense responses, regulated by SA and ROS signaling, play crucial roles in plant responses to flooding with physical flow.

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Response of Arabidopsis thaliana to Flooding with Physical Flow

Kaji,

Katano,

Anee

et al. 2024

Plants

View full text Add to dashboard Cite

show abstract

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Shared signals, different fates: Calcium and ROS in plant PRR and NLR immunity

Cited by 1 publication

References 131 publications

Response of Arabidopsis thaliana to Flooding with Physical Flow

Response of Arabidopsis thaliana to Flooding with Physical Flow

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