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Background <p>Fusarium Ear Rot is one of the major diseases affecting maize worldwide, causing decreases in yield and fumonisins accumulation in crops. In this framework, identifying resistance traits in plants is of great interest for breeding programs. To delve deeperr into the role of lipids on resistance to Fusarium Ear Rot, a lipidomic study has been performed using resistant and susceptible maize recombinant inbred lines.</p> Results <p>Samples at 10 days after infection underwent untargeted UHPLC-TWIM-HRMS analysis, leading to the putative annotation of 182 compounds significantly over- or under-accumulated in resistant inbred lines. Significant compounds were further investigated to better understand their biological role. Besides the involvement of well-described lipid classes such as oxylipins and phospholipids, this study pinpointed the differential accumulation of phytoceramides and Amadori-glycated glycerophosphoethanolamines in resistant lines.</p> Conclusions <p>Taken altogether, our data demonstrated the complex interactions occurring at lipidome levels during plant-pathogen interaction.</p>

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Lipids signature shift in Zea Mays L. resistant and susceptible inbred lines in response to Fusarium verticillioides

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月26日

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  • Laura Carbonell-Rozas,
  • Noemi Gesteiro,
  • Laura Righetti,
  • Rogelio Santiago,
  • Ana Butrón,
  • Chiara Dall’Asta

摘要

Background

Fusarium Ear Rot is one of the major diseases affecting maize worldwide, causing decreases in yield and fumonisins accumulation in crops. In this framework, identifying resistance traits in plants is of great interest for breeding programs. To delve deeperr into the role of lipids on resistance to Fusarium Ear Rot, a lipidomic study has been performed using resistant and susceptible maize recombinant inbred lines.

Results

Samples at 10 days after infection underwent untargeted UHPLC-TWIM-HRMS analysis, leading to the putative annotation of 182 compounds significantly over- or under-accumulated in resistant inbred lines. Significant compounds were further investigated to better understand their biological role. Besides the involvement of well-described lipid classes such as oxylipins and phospholipids, this study pinpointed the differential accumulation of phytoceramides and Amadori-glycated glycerophosphoethanolamines in resistant lines.

Conclusions

Taken altogether, our data demonstrated the complex interactions occurring at lipidome levels during plant-pathogen interaction.