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October 15, 2025Functional Plant Biology

Gall-inducing Dasineura sp. remodels the lipid profile and enhances the phytotoxic potential of Peumus boldus stems

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Authors

LGLubia M. GuedesNVNathalie VillagránCPClaudia Pérez

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Overview

Analysis reveals Dasineura sp. modifies lipid profiles in Peumus boldus, suggesting increased phytotoxicity in galled tissue.

Key Points

  • Galled stems of Peumus boldus showed altered lipid profiles and significantly inhibited seedling growth of Portulaca oleracea.
  • High levels of fatty acids and oxygenated sesquiterpenes were found in the galled stems, indicating enhanced phytotoxicity.
  • Histochemical staining localized lipid accumulation in nutritive tissues and in the cortex of galled stems.
  • Galls redirect lipid biosynthesis toward defense-related compounds, enhancing allelopathic potential of host tissues.

Cite This Study

Guedes et al. (2025) studied this question.

synapsesocial.com/papers/68eff7392ae617e5891a937fhttps://doi.org/10.1071/fp25165
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