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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 ... -
Coinfection of cotton plants with cotton leafroll dwarf virus atypical and a novel cotton begomovirus
Delfosse, Veronica Cecilia; Debat, Humberto Julio; Zavallo, Diego; Alvarez, Liliana; Gomez Talquenca, Gonzalo; Bonacic Kresic, Iván; Asurmendi, Sebastian; Distefano, Ana Julia (Wiley, 2024-05)Cotton is a commercial crop of global importance whose versatile fibre is widely used in the textile industry. Cotton is vulnerable to infectious pathogens, including viruses, that are a major threat to cotton production. ... -
De novo assembly of separate haplotypes solves the high-heterozygosity inconvenience of grapevine genomes
Calderon, Luciano; Carbonell-Bejerano, Pablo; Mauri, Nuria; Muñoz, Claudio; Bree, Laura; Sola, Cristóbal; Bergamin, Daniel; Gomez Talquenca, Gonzalo; Ibañez, Javier; Martinez Zapater, José Miguel; Weigel, D.; Lijavetzky, Diego (Asociación Latinoamericana de Genetica (ALAG), 2022-01-07)Most grapevine cultivars originated from the outcrossing of two genetically diverse parents, and are clonally propagated to preserve phenotypes of productive interest. Hence, cultivars are first filial generations (F1) ... -
Enrollado de la hoja de la vid o leaf roll Varios
Gomez Talquenca, Gonzalo (EEA La Consulta, INTA, 2022-08)El enrollado de la hoja de la vid (conocido generalmente como Leafroll) es una enfermedad de naturaleza viral conocida desde el siglo XIX. Se ha reportado en casi todas las regiones vitícolas del mundo y es una de las de ... -
Expression of grapevine AINTEGUMENTA-like genes is associated with variation in ovary and berry size
Chialva, Constanza Soledad; Eichler, Estefanía; Grissi, Cecilia Carolina; Muñoz, Claudio Javier; Gomez Talquenca, Gonzalo; Martínez-Zapater, José M.; Lijavetzky, Diego (2016-05)Fruit size is a highly important trait for most fruit and vegetable crops. This trait has been a main selection target and could be involved in divergent selection processes leading to the differentiation between modern ... -
First report of grapevine hammerhead viroid-like RNA infecting grapevine in Argentina
Cuello, Raul Andres; Debat, Humberto Julio; Zavallo, Diego; Lanza Volpe, Melisa; Prieto, Jorge Alejandro; Torres, Maria Del Rocio; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2025-02-13)Grapevine hammerhead viroid-like RNA (GHVd) is single- stranded circular RNA that shares structural features with viroids and was firstly detected in grapevines (Vitis vinifera L.) of the Pinot noir variety from Italy (Wu ... -
First report of grapevine Pinot gris virus infecting grapevine in Argentina
Debat, Humberto Julio; Luna,Facundo; Moyano, Sabrina Noé; Zavallo, Diego; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2020-07)Fourteen viruses have been associated to grapevine in Argentina (Debat et al. 2020; Luna et al. 2019). Grapevine Pinot gris virus (family Betaflexiviridae; genus Trichovirus, GPGV) was originally described in Italy and ... -
First report of grapevine red blotch virus infecting grapevine in Argentina
Luna, Facundo; Debat, Humberto Julio; Moyano, Sabrina Noé; Zavallo, Diego; Asurmendi, Sebastian; Gomez Talquenca, Gonzalo (Springer, 2019-04)Argentina is the fifth wine producer worldwide and 10th global grapevine producer, with over 2,100,000 tons of grapes harvested in 2017. So far, 12 viruses have been identified in grapevine in Argentina (Debat et al. 2019). -
First report of grapevine Roditis leaf discoloration-associated virus infecting grapevine in Argentina
Cuello, Raul Andres; Debat, Humberto Julio; Zavallo, Diego; Lanza Volpe, Melisa; Prieto, Jorge Alejandro; Torres, Maria Del Rocio; Gomez Talquenca, Gonzalo; Asurmendi, Sebastian (Springer, 2025-01)Grapevine Roditis leaf discoloration-associated virus (GRL DaV) is a monopartite DNA virus belonging to the genus Badnavirus (family Caulimoviridae). GRLDaV is associ ated with yellow and/or reddish leaf discoloration symp ... -
First report of grapevine virus E infecting grapevine in Argentina
Debat, Humberto Julio; Zavallo, Diego; Luna, Facundo; Moyano, Sabrina Noé; Asurmendi, Sebastian; Gomez Talquenca, Sebastian (Springer, 2019-03-12)To investigate the occurrence of GVE in Argentina, a survey was conducted in grapevines from three regions (Mendoza’s North Oasis, East Zone and Uco Valley) of Mendoza province, Argentina, during the 2017/2018 season. ... -
Genetic and Transcription Profile Analysis of Tissue-Specific Anthocyanin Pigmentation in Carrot Root Phloem
Bannoud, Florencia; Carvajal, Sofía; Ellison, Shelby L.; Senalik, Douglas A.; Gomez Talquenca, Gonzalo; Iorizzo, Massimo; Simon, Philipp W.; Cavagnaro, Pablo (MDPI, 2021-09)In purple carrots, anthocyanin pigmentation can be expressed in the entire root, or it can display tissue specific-patterns. Within the phloem, purple pigmentation can be found in the outer phloem (OP) (also called the ... -
Genetic characterization of grapevine-infecting Botrytis cinerea isolates from Argentina = Caracterización genética de aislamientos de Botrytis cinerea obtenidos en vides de Argentina
Muñoz, Claudio Javier; Gomez Talquenca, Gonzalo; Oriolani, Enrique; Combina, Mariana (2010-06)Background: Botrytis cinerea is an ascomycete with a high genetic diversity and complex population structure, as reported from several hosts and sites. However, nothing is known about its genetic diversity in Argentina. Aims: ... -
Germplasm evaluation of the native cultivar “Torrontes Riojano” (Vitis vinífera L.) collected in the Northwest of Argentina
Torres, Maria Del Rocio; Gualpa, Jose Luis; Lanza Volpe, Melisa; Blanco, Maria Evangelina; Gomez Talquenca, Gonzalo (2015)The cultivar ‘Torrontés Riojano’ (Vitis vinifera L.) was derived from a cross of ‘Muscat of Alexandria’ and ‘Criolla Chica’. Its origin was probably not a directed cross in Mendoza Argentina during the colonial period. ... -
Grapevine holobiome metatranscriptomics provides a glimpse into the wood mycovirome
Debat, Humberto Julio; Paolinelli, Marcos; Escoriaza, Maria Georgina; Garcia Lampasona, Sandra Claudia; Gomez Talquenca, Gonzalo; Bejerman, Nicolas Esteban (Elsevier, 2025-06-20)Given the agronomic and economic importance of viticulture, grapevine has been shown to host the largest number of viruses among plants to date. Nevertheless, studies assessing the grapevine-associated holobiont remain ... -
Grapevine virus L: a novel vitivirus in grapevine
Debat, Humberto Julio; Zavallo, Diego; Brisbane, Reid Soltero; Vončina, Darko; Almeida, Rodrigo P. P.; Blouin, Arnaud G.; Al Rwahnih, Maher; Gomez Talquenca, Gonzalo; Asurmendi, Sebastian (2019-04-06)Vitiviruses are ssRNA(+) viruses in the family Betaflexiviridae (subfamily Trivirinae). There are currently 10 ICTV recognized virus species in the genus; nevertheless, the extended use of NGS technologies is rapidly ... -
In vitro plants of Vitis vinifera respond to infection with the fungus Phaeoacremonium parasiticum by synthesizing the phytoalexin nerolidol
Escoriaza, Maria Georgina; Garcia Lampasona, Sandra Claudia; Gomez Talquenca, Gonzalo; Piccoli, Patricia Noemí (Springer, 2019-09)This study investigated terpene biosynthesis in basal and apical tissues of in vitro-grown plants of Vitis vinifera cv. Chardonnay infected or not (control) with Phaeoacremonium parasiticum. This pathogen is one of the ... -
Incidence of Grapevine Leafroll Associated Viruses -1, -2, and -3 in Mendoza vineyards
Lanza Volpe, Melisa; Gomez Talquenca, Gonzalo; Engel, Esteban A.; Gracia, Olga (2010-12)Viticulture is important in Argentina's economy, especially in the province of Mendoza, which is responsible for more than 75% of the crop cultivated area. In this work, we evaluated the incidence of Grapevine leafroll-associated ... -
Metatranscriptomic approach to characterize microbiome and identify molecular markers for early detection of “Hoja de malvón” disease in Vitis vinifera cv. Malbec
Paolinelli, Marcos; Escoriaza, Maria Georgina; Cesari, Cecilia Alicia; Hernández-Martínez, R.; Gomez Talquenca, Gonzalo; Garcia Lampasona, Sandra Claudia (International Council on Grapevine Trunk Diseases (ICGTD), 2019) -
Natural genetic variation for fruit set rate within Malbec grapevine (Vitis vinifera L.) clones
Calderón, Luciano; Houten, Silvina van; Muñoz, Claudio; Oroño, Tomás; Bree, Laura; Bergamin, Daniel; Sola, Cristóbal; Segura, Diana; Carrillo, Natalia; Gomez Talquenca, Gonzalo; Martinez Zapater, José Miguel; Tello, Javier; Lijavetzky, Diego (BMC, 2025-05)Background: Fruit set is the transformation of flower ovaries into berries. Fruit set rate determines the number of berries produced per bunch, which is a major component of yield in grapevines. Malbec is a black-berried ... -
Nucleotide sequence of key genes from the biosynthesis pathway of the major flavonoid in “Malbec” and “Cabernet Sauvignon”
Blanco, Maria Evangelina; Gomez Talquenca, Gonzalo; Casassa, Luis Federico; Sari, Santiago Eduardo; Torres, Maria Del Rocio; Ulanovsky, Silvia Matilde; Fanzone, Martín Leandro (2015)In red wines, important sensory attributes such as color and astringency are the result of the accumulation of anthocyanins, which are located in the berry skin (and in the pulp of teinturier cultivars). Each cultivar has ...