Extracellular DNA-Induced Resistance as a Damage Associated Molecular Pattern (DAMP) in plants
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comunitat-uji-handle2:10234/29747
comunitat-uji-handle3:10234/162741
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Extracellular DNA-Induced Resistance as a Damage Associated Molecular Pattern (DAMP) in plantsAutoria
Director/a
Flors, Victor; Gamir, JordiPrograma de Doctorat
Programa de Doctorat en CiènciesÒrgan responsable
Universitat Jaume I. Escola de DoctoratData de defensa
2024-04-19Editor
Universitat Jaume IParaules clau
Àrea de coneixement
Pàgines
158 p.Resum
Recent studies have underscored the significance of extracellular DNA (eDNA) as a trigger for defense responses in plants. Our results demonstrated that Arabidopsis thaliana responds to the application of eDNA in a ... [+]
Recent studies have underscored the significance of extracellular DNA (eDNA) as a trigger for defense responses in plants. Our results demonstrated that Arabidopsis thaliana responds to the application of eDNA in a species-specific and dosage-dependent manner. Moreover, eDNA treatment induced resistance to various agricultural pathogens and pests, including thrips. we observed that enhanced resistance against thrips in eDNA-treated plants was associated with callose accumulation in the affected area. Gene ontology analysis highlighted heightened enrichment in genes associated with jasmonic acid (JA) biosynthesis pathways and glucosinolates post-thrips infestation in the eDNA-treated group. Further validation through phenotype resistance analysis on glucosinolate biosynthesis mutants confirmed the pivotal role of glucosinolates in eDNA-induced resistance. Our findings suggest that eDNA-treated plants exhibit a faster and stronger defense response to the current challenge. This study sheds light on the intricate mechanisms governing plant responses to eDNA as a danger signal, offering valuable insights for agricultural practices. [-]
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