autores
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Autores
Mostrando ítems 1-14 de 14
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ABA and GA 3 increase carbon allocation in different organs of grapevine plants by inducing accumulation of non-structural carbohydrates in leaves, enhancement of phloem area and expression of sugar transporters
Murcia, Mauro German; Pontin, Mariela Ana; Reinoso, Herminda; Baraldi, Rita; Bertazza, Gianpaolo; Gomez Talquenca, Gonzalo; Piccoli, Patricia Noemí; Bottini, Ambrosio Rubén (2016)Grape quality for winemaking depends on sugar accumulation and metabolism in berries. Abscisic acid (ABA) and gibberellins (GAs) have been reported to control sugar allocation in economically important crops, although the ... -
Allium sativum produces terpenes with fungistatic properties in response to infection with Sclerotium cepivorum
Pontin, Mariela Ana; Piccoli, Patricia Noemí; Burba, Jose Luis; Bottini, Ambrosio Rubén (2015-07)This study investigated terpene biosynthesis in different tissues (root, protobulb, leaf sheath and blade) of in vitro -grown garlic plants either infected or not (control) with Sclerotium cepivorum, the causative agent ... -
Azospirillum brasilense ameliorates the response of Arabidopsis thaliana to drought mainly via enhancement of ABA levels
Cohen, Ana Carmen; Bottini, Ambrosio Rubén; Pontin, Mariela Ana; Berli, Federico Javier; Moreno, Daniela Maria del Valle; Boccalandro, Hernan Esteban; Travaglia, Claudia Noemi; Piccoli, Patricia Noemí (2015-01)Production of phytohormones is one of the main mechanisms to explain the beneficial effects of plant growth‐promoting rhizobacteria (PGPR) such as Azospirillum sp. The PGPRs induce plant growth and development, and reduce ... -
Carotenoid profile produced by Bacillus licheniformis Rt4M10 isolated from grapevines grown in high altitude and their antioxidant activity
Cohen, Ana Carmen; Dichiara, Elisa; Jofre, Viviana Patricia; Antoniolli, Andrea; Bottini, Ambrosio Rubén; Piccoli, Patricia Noemí (2018-07)Bacillus licheniformis (BL) strains are used for industrial production of exoenzymes, antibiotics and secondary metabolites, and also serve as probiotics. Some strains sequester heavy metals, promoting plant growth or ... -
Fruit-localized photoreceptors increase phenolic compounds in berry skins of field-grown Vitis vinifera L. cv. Malbec
Gonzalez, Carina Veronica; Fanzone, Martín Leandro; Cortés, Leandro Emanuel; Bottini, Ambrosio Rubén; Lijavetzky, Diego Claudio; Ballare, Carlos Luis; Boccalandro, Hernan Esteban (2015-02)Sunlight exposure has multiple effect on fruits, as it affects the light climate perceived by fruit photoreceptors and fruit tissue temperature. In grapes (Vitis vinifera L.), light exposure can have a strong effect on ... -
In vitro cultures of Vitis vinifera L. cv. Chardonnay synthesize the phytoalexin nerolidol upon infection by Phaeoacremonium parasiticum
Escoriaza, Maria Georgina; Sansberro, Pedro; Garcia Lampasona, Sandra Claudia; Gatica, Marta Elcira; Bottini, Ambrosio Rubén; Piccoli, Patricia Noemí (2013)This study investigated terpene synthase (TPS) activity and terpene antifungal metabolites in calluses and cell suspension cultures of Vitis vinifera cv. Chardonnay infected with Phaecremonium parasiticum, one of the fungi ... -
Morphology and hydraulic architecture of Vitis vinífera L. cv. Syrah and Torrontes Riojano plants are unaffected by variations in red to far-red ratio
Gonzalez, Carina Veronica; Jofre, María Florencia; Vila, Hernan Felix; Stoffel, Markus; Bottini, Ambrosio Rubén; Giordano, Carla Valeria (2016)Plants have evolved an array of specific photoreceptors to acclimate to the light environment. By sensing light signals, photoreceptors modulate plant morphology, carbon- and water-physiology, crop yield and quality of ... -
Nitric oxide and abscisic acid regulate osmoprotective and antioxidative mechanisms related to water stress tolerance of grapevines
Pontin, Mariela Ana; Murcia, Mauro German; Bottini, Ambrosio Rubén; Fontana, Ariel; Bolcato, L.; Piccoli, Patricia Noemí (Wiley, 2021-03)Background and Aims: Exogenously applied nitric oxide (NO) and abscisic acid (ABA) are known to improve the tolerance of plants to abiotic stress. The effects of NO and ABA applications on physiological and metabolic ... -
Pseudomonas fluorescens and Azospirillum brasilense Increase Yield and Fruit Quality of Tomato Under Field Conditions
Pérez Rodriguez, María Micaela; Pontin, Mariela Ana; Lipinski, Victor Mario; Bottini, Ambrosio Rubén; Piccoli, Patricia Noemí; Cohen, Ana Carmen (Springer, 2020-09)Crop inoculation with plant growth-promoting rhizobacteria (PGPR) is a sustainable alternative to diminish the excessive use of chemical fertilizers in agriculture. However, there is little information about PGPR inoculation ... -
Rootstocks increase grapevine tolerance to NaCl through ion compartmentalization and exclusion
Martin, Leandro Damián; Vila, Hernan Felix; Bottini, Ambrosio Rubén; Berli, Federico Javier (Springer, 2020-09)The productivity of Vitis vinifera L. is limited by salinity, especially under water and drainage deficits, and could aggravate with climate change. The use of tolerant rootstocks is a strategy against salinity that helps ... -
Solar UV-B radiation modifies the proportion of volatile organic compounds in flowers of field-grown grapevine (Vitis vinifera L.) cv. Malbec
Gil, Mariana; Bottini, Ambrosio Rubén; Pontin, Mariela Ana; Berli, Federico Javier; Salomon, María Victoria; Piccoli, Patricia Noemí (2014-11)Ultraviolet-B solar radiation (UV-B) is an environmental signal with biological effects in different plant tissues. Recent investigations reported dramatic changes of terpenes with a protective role in plant tissues submitted ... -
Tracing the origin of Argentine Malbec wines by sensometrics
Urvieta, Roy; Heymann, Hildegarde; Cantu, Annegret; Catania, Anibal Alejandro; Buscema, Fernando; Bottini, Ambrosio Rubén; Fontana, Ariel (Springer Nature, 2024-02)The study of terroir, increasingly popular in scientific circles, remains a challenging field, particularly in terms of sensory analysis. This paper summarizes our own contribution to the field—an approach for tracing the ... -
Transcriptome changes in grapevine (Vitis viniferaL.) cv. Malbec leaves induced by ultraviolet-B radiation
Pontin, Mariela Ana; Piccoli, Patricia Noemí; Francisco, Rita; Bottini, Ambrosio Rubén; Martinez-Zapater, José M.; Lijavetzky, Diego (2010-10)Ultraviolet-B radiation (UV-B, 280-315 nm) is a natural component of sunlight, which has numerous regulatory effects on plant physiology. The nature of the response to UV-B is dependent on fluence rate, dose, duration and ... -
Volatile organic compounds characterized from grapevine (Vitis vinifera L. cv. Malbec) berries increase at pre-harvest and in response to UV-B radiation
Gil, Mariana; Bottini, Ambrosio Rubén; Berli, Federico Javier; Pontin, Mariela Ana; Silva, Maria Fernanda; Piccoli, Patricia Noemí (2013-12)Ultraviolet-B solar radiation (UV-B) is an environmental signal with biological effects in plant tissues. Recent investigations have assigned a protective role of volatile organic compounds (VOCs) in plant tissues submitted ...