1-Methyltryptophan Modifies Apoplast Content in Tomato Plants Improving Resistance Against Pseudomonas syringae
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Altres documents de l'autoria: Scalschi, Loredana; Llorens, Eugenio; González-Hernández, Ana I.; Valcárcel, Mercedes; Gamir, Jordi; García Agustín, Pilar; Vicedo, Begonya; Camañes, Gemma
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Títol
1-Methyltryptophan Modifies Apoplast Content in Tomato Plants Improving Resistance Against Pseudomonas syringaeAutoria
Data de publicació
2018-08-31Editor
Frontiers MediaCita bibliogràfica
SCALSCHI, Loredana Maria; LLORENS, Eugenio; GONZÁLEZ HERNÁNDEZ, Ana Isabel; VALCÁRCEL GERMES, Mercedes; GAMIR, Jordi; GARCÍA AGUSTÍN, Pilar; VICEDO JOVER, Begonya; CAMAÑES QUEROL, Gemma (2018). 1-Methyltryptophan Modifies Apoplast Content in Tomato Plants Improving Resistance Against Pseudomonas syringae. Frontiers in Microbiology, v. 9Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.frontiersin.org/articles/10.3389/fmicb.2018.02056/fullVersió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
Plants can produce numerous natural products, many of which have been shown to
confer protection against microbial attack. In this way, we identified 1-methyltryptophan
(1-MT), a natural compound produced by tomato ... [+]
Plants can produce numerous natural products, many of which have been shown to
confer protection against microbial attack. In this way, we identified 1-methyltryptophan
(1-MT), a natural compound produced by tomato plants in response to
Pseudomonas
syringae
attack, whose application by soil drench provided protection against this
pathogen. In the present work, we have studied the mechanisms underlying this
protection. The results demonstrated that 1-MT can be considered a new activator
of plant defense responses that acts by inhibiting the stomatal opening produced by
coronatine (COR) and could thereby, prevent bacteria entering the mesophyll. Besides,
1-MT acts by blocking the jasmonic acid (JA) pathway that, could avoid manipulation of
the salicylic acid (SA) pathway by the bacterium, and thus hinder its growth. Although
the concentration of 1-MT reached in the plant did not show antimicrobial effects, we
cannot rule out a role for 1-MT acting alone because it affects the expression of the
fliC
gene that is involved in synthesis of the flagellum. These changes would result in
reduced bacterium motility and, therefore, infective capacity. The results highlight the
effect of a tryptophan derivative on induced resistance in plants. [-]
Publicat a
Frontiers in Microbiology (2018), v. 9Proyecto de investigación
1) Spanish Ministry of Science and Innovation (AGL2013-49023-C03-02-R); 2) Pla de Promoció de la Investigació of Universitat Jaume I (P1 · 1B2013-75, UJI-A2016-09, and UJI-B2017-30); 3) Research Staff Training grant of AG-H (PREDOC/2016/27) of Universitat Jaume I.Drets d'accés
info:eu-repo/semantics/openAccess
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