Multiple indole glucosinolates and myrosinases defend Arabidopsis against Tetranychus urticae herbivory
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Altres documents de l'autoria: Widemann, Emilie; Bruinsma, Kristie; Walshe-Roussel, Brendan; Rioja, Cristina; Arbona, Vicent; Saha, Repon Kumer; Letwin, David; Zhurov, Vladimir; Gomez-Cadenas, Aurelio; Bernards, Mark; Grbić, Miodrag; Grbic, Vojislava
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2508
comunitat-uji-handle3:10234/6999
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Títol
Multiple indole glucosinolates and myrosinases defend Arabidopsis against Tetranychus urticae herbivoryAutoria
Data de publicació
2021-06-19Editor
American Society of Plant BiologistsISSN
0032-0889; 1532-2548Cita bibliogràfica
Emilie Widemann, Kristie Bruinsma, Brendan Walshe-Roussel, Cristina Rioja, Vicent Arbona, Repon Kumer Saha, David Letwin, Vladimir Zhurov, Aurelio Gómez-Cadenas, Mark A. Bernards, Miodrag Grbić, Vojislava Grbić, Multiple indole glucosinolates and myrosinases defend Arabidopsis against Tetranychus urticae herbivory, Plant Physiology, Volume 187, Issue 1, September 2021, Pages 116–132Tipus de document
info:eu-repo/semantics/articleVersió
info:eu-repo/semantics/submittedVersionParaules clau / Matèries
Resum
rabidopsis (Arabidopsis thaliana) defenses against herbivores are regulated by the jasmonate (JA) hormonal signaling pathway, which leads to the production of a plethora of defense compounds. Arabidopsis defense ... [+]
rabidopsis (Arabidopsis thaliana) defenses against herbivores are regulated by the jasmonate (JA) hormonal signaling pathway, which leads to the production of a plethora of defense compounds. Arabidopsis defense compounds include tryptophan-derived metabolites, which limit Arabidopsis infestation by the generalist herbivore two-spotted spider mite, Tetranychus urticae. However, the phytochemicals responsible for Arabidopsis protection against T. urticae are unknown. Here, we used Arabidopsis mutants disrupted in the synthesis of tryptophan-derived secondary metabolites to identify phytochemicals involved in the defense against T. urticae. We show that of the three tryptophan-dependent pathways found in Arabidopsis, the indole glucosinolate (IG) pathway is necessary and sufficient to assure tryptophan-mediated defense against T. urticae. We demonstrate that all three IGs can limit T. urticae herbivory, but that they must be processed by myrosinases to hinder T. urticae oviposition. Putative IG breakdown products were detected in mite-infested leaves, suggesting in planta processing by myrosinases. Finally, we demonstrate that besides IGs, there are additional JA-regulated defenses that control T. urticae herbivory. Together, our results reveal the complexity of Arabidopsis defenses against T. urticae that rely on multiple IGs, specific myrosinases, and additional JA-dependent defenses. [-]
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Plant Physiology. Volume 187, Issue 1 (September 2021)Drets d'accés
http://rightsstatements.org/vocab/InC/1.0/
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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