Robotic mechanical wounding is sufficient to induce phenylacetaldoxime accumulation in Tococa quadrialata.
Plant Signal Behav
; 19(1): 2360298, 2024 Dec 31.
Article
en En
| MEDLINE
| ID: mdl-38813798
ABSTRACT
This study investigated the accumulation of phenlyacetaldoxime (PAOx) and PAOx-Glc in Tococa quadrialata leaves in response to herbivore infestation and mechanical wounding. Results show that PAOx levels peaked at 24 h post-infestation, while PAOx-Glc remained present for several days. The accumulation of PAOx began as early as 3 h after herbivory, with PAOx-Glc significantly increased after 6 h. Mechanical wounding induced similar responses in PAOx and PAOx-Glc accumulation as herbivory, suggesting that continuous tissue damage triggers the production of these compounds. Interestingly, SpitWorm-treated leaves showed the highest levels of both PAOx and PAOx-Glc, indicating that herbivore-derived oral secretions (OS) play a role in the induction of these compounds. Additionally, JA-independent PAOx production was found to be associated with tissue damage rather than specific known signaling compounds. Emission of benzyl cyanide and 2-phenylethanol, PAOx-derived plant volatiles, was observed in response to herbivory and SpitWorm treatment providing plant-derived OS, further highlighting the role of herbivore cues in plant defense responses.
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Texto completo:
1
Base de datos:
MEDLINE
Asunto principal:
Hojas de la Planta
/
Herbivoria
Idioma:
En
Revista:
Plant Signal Behav
Asunto de la revista:
BOTANICA
/
FISIOLOGIA
Año:
2024
Tipo del documento:
Article