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Listar por autor "Peña García, Leandro Antonio"

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Behavioral responses of Diaphorina citri to host plant volatiles in multiple-choice olfactometers are affected in interpretable ways by effects of background colors and airflows

Volpe, H.X.L.; Zanardi, O.Z.; Magnani, R.F.; Luvizotto, R.A.G.; Esperança, V.; de Freitas, R.; Delfino, J.Y.; Mulinari, T.A.; Carvalho, R.I.; Wulff, N.A.; de Miranda, M.P.; PEÑA GARCIA, LEANDRO (Public Library of Science, 2020-07-06)

[EN] In several phytophagous hemipterans, behavior appears to be mediated by both visual and chemical cues. For the Asian citrus psyllid (ACP)Diaphorina citri(Hemiptera: Liviidae), olfactometric assays are generally difficult ...
Biochemical Characterization of New Sweet Orange Mutants Rich in Lycopene and ß-Carotene Antioxidants

Carmona-López, Lourdes; Alquézar-García, Berta; PEÑA GARCIA, LEANDRO (MDPI, 2024-08)

[EN] Carotenoid-rich foods such as citrus fruits have a wide range of functions in human health. They primarily exert antioxidant effects, but individual carotenoids may also act through other health-promoting mechanisms ...
Citrus tristeza virus p23: determinants for nucleolar localization and their influence on suppression of RNA silencing and pathogenesis

Ruiz Ruiz, Susana; Soler, Nuria; Sanchez Navarro, Jesus Angel; Fagoaga, Carmen; López Del Rincón, Carmelo; Navarro Lucas, Luis; Moreno, Pedro; PEÑA GARCIA, LEANDRO; Flores Pedauye, Ricardo (American Phytopathological Society, 2013-03)

Citrus tristeza virus (CTV) encodes a singular protein (p23, 209 amino acids) with multiple functions, including RNA silencing suppression (RSS). Confocal laser-scanning microscopy of green fluorescent protein (GFP)-p23 ...
Citrus tristeza virus: Host RNA Silencing and Virus Counteraction

Ruiz-Ruiz, Susana; Navarro, Beatriz; PEÑA GARCIA, LEANDRO; Navarro, Luis; Moreno, Pedro; Di Serio, Francesco; FLORES PEDAUYE, RICARDO (Springer, 2019)

[EN] To dissect the host RNA silencing response incited by citrus tristeza virus (CTV, genus Closterovirus), a (+) ssRNA of similar to 19300 nt, and the counter reaction deployed by the virus via its three RNA silencing ...
Curing and low-temperature combined post-harvest storage enhances anthocyanin biosynthesis in blood oranges

Carmona, Lourdes; Alquézar-García, Berta; Diretto, Gianfranco; Sevi, Filippo; Malara, Tatiane; Lafuente, M. Teresa; PEÑA GARCIA, LEANDRO (Elsevier, 2021-04-16)

[EN] Anthocyanins are pigments present in blood oranges which can be enriched by post-harvest cold storage. Additionally, citrus fruits contain appreciable levels of other flavonoids, whose content increases under postharvest ...
Distinctive acidity in citrus fruit is linked to loss of proanthocyanidin biosynthesis

Atkins, Elliott; Scialò, Emanuele; Catalano, Chiara; Caballero Hernández, Carmen; Wegel, Eva; Hill, Lionel; Licciardello, Concetta; PEÑA GARCIA, LEANDRO; Garcia-Lor, Andres; Martin, Cathie; Butelli, Eugenio (Elsevier (Cell Press), 2024-10-18)

[EN] The distinctive acidity of citrus fruit is determined by a regulatory complex of MYB and bHLH transcription factors together with a WDR protein (MBW complex) which operates in the unique juice vesicles of the fruit. ...
ECOLOGÍA DE LOS TERPENOS VOLÁTILES DE LA PIEL DE NARANJA: COMUNICACIÓN PLANTA-FRUGÍVORO

Peris Rodrigo, Josep Enric (Universitat Politècnica de València, 2020-01-24)

[ES] Ecología de los terpenos volátiles de la piel de la naranja: comunicación planta-frugívoro Desde hace décadas muchos autores han investigado cómo a lo largo de la evolución, los frugívoros han configurado la forma, ...
Ectopic expression of the p23 silencing suppressor of citrus tristeza virus differentially modifies viral accumulation and tropism in two transgenic woody hosts

Fagoaga García, Carmen; Pensabene Bellavia, Giovanni; Moreno, Pedro; Navarro, Luis; Flores Pedauye, Ricardo; PEÑA GARCIA, LEANDRO (Wiley, 2011-12)

[EN] Citrus tristeza virus (CTV), a phloem-restricted closterovirus infecting citrus, encodes three different silencing suppressors (p25, p20 and p23), one of which (p23) is a pathogenicity determinant that induces aberrations ...
Effect of low temperature-storage on the proteome of Moro blood orange flesh

Carmona-López, Lourdes; Alquézar-García, Berta; Tarraga Herrero, Susana; PEÑA GARCIA, LEANDRO (International Society for Horticultural Science (ISHS), 2019-01)

[EN] Anthocyanins are a subclass of flavonoid pigments with important therapeutic properties beneficial to human health. Blood oranges are rich in these pigments, which present synergistic effects (i.e., anti-inflammatory ...
From the smallest to the largest subcellular plant pathogen: Citrus tristeza virus and its unique p23 protein

Moreno, Pedro; López Del Rincón, Carmelo; Ruiz-Ruiz, Susana; PEÑA GARCIA, LEANDRO; Guerri, José (Elsevier, 2022-06)

[EN] Knowledge on diseases caused by Citrus tristeza virus (CTV) has greatly increased in last decades after their etiology was demonstrated in the past seventies. Professor Ricardo Flores substantially contributed to these ...
Genetic engineering of plant volatiles in fleshy fruits: pest repellency and disease resistance through D-limonene downregulation in transgenic orange plants

Rodríguez Baixauli, Ana María (Universitat Politècnica de València, 2013-09-02)

Los terpenos constituyen el mayor grupo de metabolitos secundarios, siendo componentes de las glándulas de aceites esenciales, de las flores y de las resinas defensivas de plantas aromáticas, a los que proporcionan sus ...
Inmunomodulación de la infección de Plum pox virus mediante la expresión estable y transitoria de anticuerpos recombinantes contra la NIb replicasa viral en plantas de Nicotiana benthamiana

Gil Capitán, María Teresa (Universitat Politècnica de València, 2013-12-02)

Plum pox virus (PPV) es miembro del género Potyvirus, causa la enfermedad de la sharka que tiene un serio impacto agrícola y económico sobre el cultivo de frutales de hueso. Puesto que la utilización de variedades resistentes ...
Protein analysis of moro blood orange pulp during storage at low temperatures

Carmona-López, Lourdes; Alquézar-García, Berta; Tarraga Herrero, Susana; PEÑA GARCIA, LEANDRO (Elsevier, 2019-03-30)

[EN] A protein analysis in the pulp of Moro blood oranges (Citrus sinensis L. Osbeck) at the onset and after 30 days of storage at either 4 or 9 degrees C was performed. All differential proteins belonged to different ...
Resistance to 'Candidatus Liberibacter asiaticus,' the Huanglongbing Associated Bacterium, in Sexually and/or Graft-Compatible Citrus Relatives

Alves, Monica N.; Lopes, Silvio A.; Raiol-Junior, Laudecir L.; Wulff, Nelson A.; Girardi, Eduardo A.; Ollitrault, Patrick; PEÑA GARCIA, LEANDRO (Frontiers Media SA, 2021-01-08)

[EN] Huanglongbing (HLB) is the most destructive, yet incurable disease of citrus. Finding sources of genetic resistance to HLB-associated 'Candidatus Liberibacter asiaticus' (Las) becomes strategic to warrant crop ...
Spider venom neurotoxin based bioinsecticides: A novel bioactive for the control of the Asian citrus psyllid Diaphorina citri (Hemiptera)

Miranda, Marcelo P.; Fitches, Elaine C.; Sukiran, Nur Afiqah; Eduardo, Wellington I.; Garcia, Rafael B.; Jaciani, Fabrício J.; Readshaw, Jennifer J.; Bell, Jack; PEÑA GARCIA, LEANDRO (Elsevier, 2024-02-23)

[EN] The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is a key vector of the phloem -limited bacteria Candidatus Liberibacter asiaticus (CLas) associated with huanglongbing (HLB), the most serious ...
Symptoms induced by transgenic expression of p23 from Citrus tristeza virus in phloem-associated cells of Mexican lime mimic virus infection without the aberrations accompanying constitutive expression

Soler, Nuria; Fagoaga García, Carmen Concepción; López Del Rincón, Carmelo; Moreno, Pedro; Navarro, Luis; Flores Pedauye, Ricardo; PEÑA GARCIA, LEANDRO (Wiley, 2015-05)

[EN] Citrus tristeza virus (CTV) is phloem restricted in natural citrus hosts. The 23-kDa protein (p23) encoded by the virus is an RNA silencing suppressor and a pathogenicity determinant. The expression of p23, or its ...
Terpene down-regulation in orange reveals the role of fruit aromas in mediating interactions with insects herbivores and pathogens

Rodriguez, Ana; San Andrés Aura, Victoria; Cervera, Magdalena; Redondo, Ana; ALQUÉZAR, B; Shimada, Takehiko; Gadea Vacas, José; Rodrigo, Maria Jesús; ZACARIAS, Lorenzo; Palou, Lluis; Lopez, María M.; Catañera, Pedro; PEÑA GARCIA, LEANDRO (American Society of Plant Biologists, 2011-06)

[EN] Plants use volatile terpene compounds as odor cues for communicating with the environment. Fleshy fruits are particularly rich in volatiles that deter herbivores and attract seed dispersal agents. We have investigated ...
Terpene down-regulation triggers defense responses in transgenic oranges leading to resistance against fungal pathogens

Rodríguez, Ana; Shimada, Takehiko; Cervera, Magdalena; Alquézar, Berta; Gadea Vacas, José; Gómez-Cadenas, Aurelio; De Ollas, Carlos José; Rodrigo, María Jesús; Zacarías, Lorenzo; PEÑA GARCIA, LEANDRO (American Society of Plant Biologists, 2014-01)

Terpenoid volatiles are isoprene compounds that are emitted by plants to communicate with the environment. In addition to their function in repelling herbivores and attracting carnivorous predators in green tissues, the ...
The monoterpene limonene in orange peels attracts pests and microorganisms

Rodríguez, Ana; San Andrés Aura, Victoria; Cervera, Magdalena; Redondo, Ana; Alquézar, Berta; Shimada, Takehiko; Gadea Vacas, José; Rodrigo, María; ZACARIAS, Leandro; Palou, Lluis; Lopez, María M.; Castañera, Pedro; PEÑA GARCIA, LEANDRO (Taylor & Francis, 2011-11-01)

[EN] Plant volatiles include terpenoids, which are generally involved in plant defense, repelling pests and pathogens and attracting insects for herbivore control, pollination and seed dispersal. Orange fruits accumulate ...
Towards application of genetic engineering in citriculture: 1) assessing dispersal, long-term stability and phenotypic impact of transgenes in citrus trees and 2) improving nutri-functional quality of orange fruit through metabolic engineering

Pons Bayarri, Elsa Amparo (Universitat Politècnica de València, 2014-10-27)

A pesar de los enormes beneficios potenciales que ofrecen los cítricos genéticamente modificados (GM), su liberación en campo suscita preocupaciones acerca de su potencial impacto ambiental y posibilidad de que muestren ...