Listar Departament: Ciències Agràries i Medi Natural por autoría "b9581205-d9c0-421e-bdc6-7666ba96c257"
Mostrando ítems 1-20 de 37
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A deletion in NRT2.1 attenuates pseudomonas syringae-induced hormonal perturbation, resulting in primed plant defenses
Camañes, Gemma; Flors, Victor; García Agustín, Pilar; Cerezo García, Miguel; Vicedo, Begonya; Pastor, Victoria; García-Andrade, Javier American Society of Plant Biologists (2012)For an efficient defense response against pathogens, plants must coordinate rapid genetic reprogramming to produce an incompatible interaction. Nitrate Trasnporter2 (NRT2) gene family members are sentinels of nitrate ... -
A deletion in the nitrate high affinity transporter NRT2.1 alters metabolomic and transcriptomic responses to Pseudomonas syringae
Camañes, Gemma; Pastor, Victoria; Cerezo García, Miguel; García Agustín, Pilar; Flors, Victor Landes Bioscience (2012)A deletion in the high affinity nitrate trasporter NRT2.1 in Arabidopsis results in a reduced susceptibility to Pseudomonas syringae by two different mechanisms, the SA priming and an interference in the effector triggered ... -
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 ... -
Bacterial Endophytes: The Hidden Actor in Plant Immune Responses against Biotic Stress
OUKALA, Nadira; KAMEL, AISSAT; Pastor, Victoria MDPI (2021-05-19)Bacterial endophytes constitute an essential part of the plant microbiome and are described to promote plant health by different mechanisms. The close interaction with the host leads to important changes in the physiology ... -
Can Plant Defence Mechanisms Provide New Approaches for the Sustainable Control of the Two- Spotted Spider Mite Tetranychus urticae?
Agut, Blas; Pastor, Victoria; Jaques , Josep A.; Flors, Victor MDPI (2018-02)Tetranychus urticae (T. urticae) Koch is a cosmopolitan, polyphagous mite which causes economic losses in both agricultural and ornamental plants. Some traits of T. urticae hamper its management, including a short life ... -
Detection, characterization and quantification of salicylic acid conjugates in plant extracts by ESI tandem mass spectrometric techniques
Pastor, Victoria; Vicent Barrera, Cristian; Cerezo García, Miguel; Mauch-Mani, Brigitte; Dean, John; Flors, Victor Elsevier (2012)An approach for the detection and characterization of SA derivatives in plant samples is presented based on liquid chromatography coupled to electrospray ionization (ESI) tandem mass spectrometric techniques. Precursor ... -
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 ... -
Distinct branches of the N-end rule pathway modulate the plantimmune response
Vicente, Jorge; Mendiondo, Guillermina M.; Pauwels, Jarne; Pastor, Victoria; Izquierdo, Yovanny; Naumann, Christin; Movahedi, Mahsa; Rooney, Daniel; Gibbs, Daniel J.; Smart, Katherine; Bachmair, Andreas; Gray, Julie E.; Dissmeyer, Nico; Castresana, Carmen; Ray, Rumiana; Gevaert, Kris; Holdsworth, Michael Wiley (2019)The N‐end rule pathway is a highly conserved constituent of the ubiquitin proteasome system, yet little is known about its biological roles. Here we explored the role of the N‐end rule pathway in the plant immune response. ... -
Fine Tuning of Reactive Oxygen Species Homeostasis Regulates Primed Immune Responses in Arabidopsis
Pastor, Victoria; Luna Diez, Estrella; Ton, Jurriaan; Cerezo García, Miguel; García Agustín, Pilar; Flors, Victor The American Phytopathological Society (2013-11)Selected stimuli can prime th e plant immune system for a faster and stronger defense reaction to pathogen attack. Pretreatment of Arabidopsis with the chemical agent β - aminobutyric acid (BABA) augmented ... -
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 ... -
Inactivation of UDP-Glucose Sterol Glucosyltransferases Enhances Arabidopsis Resistance to Botrytis cinerea
Castillo Vazquez, Nidia; Pastor, Victoria; Chávez, Ángel; Arró Robert, Montserrat; Boronat, Albert; Flors, Victor; Ferrer, Albert; ALTABELLA, TERESA Frontiers Media (2019-09-27)Free and glycosylated sterols are both structural components of the plasma membrane that regulate their biophysical properties and consequently different plasma membraneassociated processes such as plant adaptation to ... -
Integrated responses of mycorrhizas to nutritional and biotic stresses
Sánchez-Bel, Paloma; Sanmartín, Neus; Pastor, Victoria; Mateu Garcia, Diego; Pozo, Maria J.; Flors, Victor (2017-02) -
Long-lasting b-aminobutyric acid-induced resistance protects tomato fruit against Botrytis cinerea
Wilkinson, S. W.; Pastor, Victoria; Paplauskas, S.; Pétriacq, Pierre; Luna Diez, Estrella Wiley (2018)Minimizing losses to pests and diseases is essential for producing sufficient food to feed the world’s rapidly growingpopulation. The necrotrophic fungus Botrytis cinerea triggers devastating pre- and post-harvest yield ... -
Modes of action of the protective strain Fo47 in controllingverticillium wilt of pepper
Veloso, J.; Alabouvette, C.; Olivain, C.; Flors, Victor; Pastor, Victoria; García, T.; Díaz, J. Wiley (2015)The protective fungus Fusarium oxysporum Fo47 reduces the severity of wilt caused by the soilborne pathogen Verticil-lium dahliae in pepper. Modes of action responsible for the biocontrol activity were studied. Microscopic ... -
Mycorrhiza l tomato plants fine tunes the growth‐defencebalance upon N depleted root environments
Sánchez-Bel, Paloma; Sanmartín, Neus; Pastor, Victoria; Mateu Garcia, Diego; Cerezo García, Miguel; Vidal-Albalat, Andreu; Pastor Fernández, Julia; Pozo, Maria J.; Flors, Victor Wiley (2018)In low nutritive environments, the uptake of N by arbuscular mycorrhizal (AM) fungi may confercompetitive advantages for the host. The present study aims to understand how mycorrhizaltomato plants perceive and then prepare ... -
Oxylipin dynamics inMedicago truncatulain response to saltand wounding stresses
De Domenico, Stefania; Taurino, Marco; Gallo, Antonia; Poltronieri, Palmiro; Pastor, Victoria; Flors, Victor; Santino, Angelo Wiley (2019)Multiple stresses are becoming common challenges in modern agriculture dueto environmental changes. A large set of phytochemicals collectively knownas oxylipins play a key role in responses to several stresses. Understandingthe ... -
Plant-mediated species networks: the modulating role of herbivore density
Pineda, Ana; Soler, Roxina; Pastor, Victoria; Li, Yehua; Dicke, Marcel Wiley (2017-08)1. When herbivores of distinct feeding guilds, such as phloem feeders and leaf chewers, interact, the outcome of these interactions often shows facilitation. However, whether this facilitation turns into competition at ...