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<p>Olive trees are severely threatened by the Olive Quick Decline Syndrome (OQDS), caused by the xylem-dwelling bacterium <i>Xylella fastidiosa</i>. While many cultivars are highly susceptible, ‘Leccino’ exhibit partial resistance. To study the underlying immune mechanisms, we established stable callus cultures from vegetative tissues of susceptible and resistant cultivars. These cultures enable functional profiling of immune responses to known pathogen-associated molecular patterns (PAMPs) and <i>Xf</i>-derived triggers. Combined with genomic analysis, this system provides insights into cultivar-specific immunity and supports future strategies to enhance resistance in olive and related crops.</p>

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Das Rätsel um Xylella fastidiosa und die Immunität des Olivenbaums

  • 期刊论文

  • 发表日期：

    2025年6月18日

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  • Silke Robatzek,
  • Natalie do Valle Capelli,
  • Constance Tisserant

摘要

Olive trees are severely threatened by the Olive Quick Decline Syndrome (OQDS), caused by the xylem-dwelling bacterium Xylella fastidiosa. While many cultivars are highly susceptible, ‘Leccino’ exhibit partial resistance. To study the underlying immune mechanisms, we established stable callus cultures from vegetative tissues of susceptible and resistant cultivars. These cultures enable functional profiling of immune responses to known pathogen-associated molecular patterns (PAMPs) and Xf-derived triggers. Combined with genomic analysis, this system provides insights into cultivar-specific immunity and supports future strategies to enhance resistance in olive and related crops.