Listar por autoría "fc515803-0f31-4e5e-bc89-844ba458566c"
Mostrando ítems 1-20 de 29
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1-Methyltryptophan Modifies Apoplast Content in Tomato Plants Improving Resistance Against Pseudomonas syringae
Scalschi, Loredana; Llorens, Eugenio; González-Hernández, Ana I.; Valcárcel, Mercedes; Gamir, Jordi; García Agustín, Pilar; Vicedo, Begonya; Camañes, Gemma Frontiers Media (2018-08-31)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 ... -
Accumulating evidences of callose priming by indole- 3- carboxylic acid in response to Plectospharella cucumerina
Pastor Fernández, Julia; Pastor, Victoria; Mateu Garcia, Diego; Gamir, Jordi; Sánchez-Bel, Paloma; Flors, Victor Taylor & Francis (2019)Indole-3-carboxylic acid (I3CA) is an indolic compound that induces resistance in Arabidopsis adult plants against the necrotrophic fungus Plectosphaerella cucumerina through primed callose accumulation. In this study, we ... -
Accurate and easy method for systemin quantifcation and examining metabolic changes under diferent endogenous levels
Pastor, Victoria; Sánchez-Bel, Paloma; Gamir, Jordi; Pozo, Maria J.; Flors, Victor BioMed Central (2018)Background: Systemin has been extensively studied since it was discovered and is described as a peptidic hormone in tomato plants and other Solanaceae. Jasmonic acid and systemin are proposed to act through a positive ... -
Arabidopsis Plants Sense Non-self Peptides to Promote Resistance Against Plectosphaerella cucumerina
Pastor Fernández, Julia; Gamir, Jordi; Pastor, Victoria; Sánchez-Bel, Paloma; Sanmartín, Neus; Cerezo García, Miguel; Flors, Victor Frontiers Media (2020-05-08)Peptides are important regulators that participate in the modulation of almost every physiological event in plants, including defense. Recently, many of these peptides have been described as defense elicitors, termed ... -
Arabidopsis thaliana is able to sense tomato Systemin promoting defense against fungal pathogens
Pastor Fernández, Julia; Sánchez-Bel, Paloma; Pastor, Victoria; Gamir, Jordi; Sanmartín, Neus; Flors, Victor Instituto de Biología Molecular y Celular de Plantas (IBMCP) (2019-11-10)Systemin is a small tomato peptide that regulates the plant response against herbivores and pathogenic fungi. It is released from a larger precursor upon wounding or pathogen attack and binds to a membrane receptor of the ... -
Different metabolic and genetic responsesin citrus may explain relative susceptibilityto Tetranychus urticae
Agut, Blas; Gamir, Jordi; Jaques , Josep A.; Hurtado-Ruiz, Monica; Flors, Victor Wiley (2014)1 BACKGROUND Life history parameters of the phytophagous spider mite Tetranychus urticae in citrus depend on the rootstock where the cultivar is grafted. To unveil the mechanisms responsible for this effect, the authors ... -
Disruption of the ammonium transporter AMT1.1 alters basal defenses generating resistance against Pseudomonas syringae and Plectosphaerella cucumerina
Pastor, Victoria; Gamir, Jordi; Camañes, Gemma; Cerezo García, Miguel; Sánchez-Bel, Paloma Frontiers (2014)Disruption of the high-affinity nitrate transporter NRT2.1 activates the priming defense against Pseudomonas syringae, resulting in enhanced resistance. In this study, it is demonstrated that the high-affinity ammonium ... -
Exogenous strigolactones impact metabolic profilesand phosphate starvation signalling in roots
Gamir, Jordi; Torres-Vera, Rocío; Rial, Carlos; Berrio, Estefanía; de Souza Campos, Pedro; Varela, Rosa M.; Macías, Francisco A.; Pozo, Maria J.; Flors, Victor; López-Ráez, Juan A. Wiley (2020)Strigolactones (SLs) are important ex‐planta signalling molecules in the rhizosphere, promoting the association with beneficial microorganisms, but also affecting plant interactions with harmful organisms. They are also ... -
Expression of a Fungal Lectin in Arabidopsis Enhances Plant Growth and Resistance Toward Microbial Pathogens and a Plant-Parasitic Nematode
moradi, Aboubakr; El-Shetehy, Mohamed; Gamir, Jordi; Austerlitz, Tina; Dahlin, Paul; Wieczorek, Krzysztof; Künzler, Markus; Mauch, Felix Frontiers Media (2021-04-09)Coprinopsis cinerea lectin 2 (CCL2) is a fucoside-binding lectin from the basidiomycete C. cinerea that is toxic to the bacterivorous nematode Caenorhabditis elegans as well as animal-parasitic and fungivorous nematodes. ... -
Extracellular DNA induces resistance against Frankliniella occidentalis through callose accumulation
Rassizadeh, Leila; Cañadas, Estela; Cervero, Raquel; Flors, Victor; Gamir, Jordi Springer (2024-01-10)The plant immune system has evolved to sense and respond to potential threats. When an insect attacks a plant, endogenous molecules called damage-associated molecular patterns (DAMPs) are released into the apoplast, ... -
From virus resistance to arthropod susceptibility
Agut, Blas; Gamir, Jordi; Cruz Miralles, Joaquin; Cabedo López, Marc; Jaques , Josep A.; Flors, Victor (2017-02) -
Identification of indole-3-carboxylic acid as mediator of priming against Plectosphaerella cucumerina
Gamir, Jordi; Pastor, Victoria; Cerezo García, Miguel; Flors, Victor Elsevier (2012)Plant resistance against the necrotrophic pathogen Plectosphaerella cucumerina is mediated by a combination of several hormonal-controlled signalling pathways. The priming agent β-aminobutyric acid (BABA) is able to induce ... -
Identification of new antifungal metabolites produced by the yeast Metschnikowia pulcherrima involved in the biocontrol of postharvest plant pathogenic fungi
Fernandez San Millan, Alicia; Gamir, Jordi; Farran, Inmaculada; Larraya, Luis M.; Veramendi, Jon Elsevier ScienceDirect (2022-06-11)Several strains of the yeast Metschnikowia pulcherrima exhibit strong antagonistic activity against postharvest pathogens and may have broad biotechnological potential as biocontrol agents. However, the nature and interplay ... -
Metabolic transition in mycorrhizal tomato roots
Rivero, Javier; Gamir, Jordi; Aroca, Ricardo; Pozo, Maria J.; Flors, Victor Frontiers Media (2015)Beneficial plant–microorganism interactions are widespread in nature. Among them, the symbiosis between plant roots and arbuscular mycorrhizal fungi (AMF) is of major importance, commonly improving host nutrition and ... -
Mycorrhizal benefits on plant growth and protection against Spodoptera exigua depend on N availability
Ramírez-Serrano, Beatriz; Querejeta Coma, Marina; Minchev, Zhivko; Gamir, Jordi; Perdereau, Elfie; Pozo, Maria J.; Dubreuil, Geraldine; GIRON, David Taylor and Francis Group (2022-09-19)Mycorrhizal symbiosis influences plant growth and nutrition and can affect the performance of insect herbivores, but these effects are context-dependent. This study aims to investigate the influence of nitrogen fertilization ... -
Phosphorus availability drives mycorrhiza induced resistance in tomato
dejana, laura; Ramírez-Serrano, Beatriz; Rivero Bravo, Javier; Gamir, Jordi; López-Ráez, Juan A.; Pozo, Maria J. Frontiers Media (2022)Arbuscular mycorrhizal (AM) symbiosis can provide multiple benefits to the host plant, including improved nutrition and protection against biotic stress. Mycorrhiza induced resistance (MIR) against pathogens and insect ... -
Preparing to fight back: generation and storage of priming compounds
Pastor, Victoria; Balmer, Andrea; Gamir, Jordi; Flors, Victor; Mauch-Mani, Brigitte Frontiers (2014)Immune-stimulated plants are able to respond more rapidly and adequately to various biotic stresses allowing them to efficiently combat an infection. During the priming phase, plant are stimulated in absence of a challenge, ... -
Role of two UDP-Glycosyltransferases from the L group of arabidopsis in resistance against pseudomonas syringae
Boachon, Benoît; Gamir, Jordi; Pastor, Victoria; Erb, Matthias; Dean, John; Flors, Victor; Mauch-Mani, Brigitte Springer (2014)The role of the salicylic acid (SA) glycosides SA 2-O-β-D-glucose (SAG), SA glucose ester (SGE) and the glycosyl transferases UGT74F1 and UGT74F2 in the establishment of basal resistance of Arabidopsis against Pseudomonas ... -
Roots drive oligogalacturonide-induced systemic immunity intomato
Gamir, Jordi; Minchev, Zhivko; Berrio, Estefanía; García, Juan M.; De Lorenzo, Giulia; Pozo, Maria J. (2020-12)Oligogalacturonides (OGs) are fragments of pectin released from the plant cell wall during insect or pathogen attack. They can be perceived by the plant as damage signals, triggering local and systemic defence responses. ... -
Starch degradation, abscisic acid and vesicular trafficking areimportant elements in callose priming by indole-3-carboxylicacid in response toPlectosphaerella cucumerinainfection
Gamir, Jordi; Pastor, Victoria; Sánchez-Bel, Paloma; Agut, Blas; Mateu Garcia, Diego; García-Andrade, Javier; Flors, Victor Wiley (2018)A fast callose accumulation has been shown to mediate defence priming in certain plant–pathogen interac-tions, but the events upstream of callose assembly following chemical priming are poorly understood,mainly because ...