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Aportes a la domesticación de Aristotelia chilensis a partir de la identificación de patrones arquitecturales, asociados a variaciones endógenas y ambientales
Bramardi, Martin A.; Roldan, Cecilia Soledad; El Mujtar, Veronica Andrea; Marchelli, Paula; Torres, C. (Red Argentina de Ciencia y Tecnología Forestal, 2023-03)Aristotelia chilensis (Molina) Stuntz, (maqui) es una especie leñosa, semi-decidua, de la familia Elaeocarpaceae, nativa de los bosques templados de la Patagonia Argentina y Chile (Doll et al. 2016; Misle et al. 2011). ... -
Aportes para repensar los sistemas productivos patagónicos en un contexto de déficit hídrico y cambio climático
Villagra, Edgar Sebastian; Mañueco, María Lucía; Caballe, Gonzalo; Martinez, Roberto Simon; Buda, Vicente Sebastián; Claps, Leonardo; Cordoba, Joaquín Alejandro; Easdale, Marcos Horacio; Enriquez, Andrea Soledad; Guiñazu Micames, Maira Soledad; Marchelli, Paula; Montenegro, Ayelen; Neffen, Evelyn Maria; Sheridan, Miguel Mariano; Musi Saluj, Cristian Alí; Muñoz, Angel Rafael; Rodriguez, Andrea Betiana; Romagnoli, Sergio Osvaldo; Thomas, Esteban Ricardo; Zelmer, Hernan; Candan, Ana Paula; Castilla, Florencia; Magdalena, Jorge Carlos; Sacco, Luis Antonio; Sarasola, Mauro Miguel; Fernandez, Dario Eduardo; Nuñez, Adrian Humberto; Gittins Lopez, Cecilia Gabriela (Ediciones INTA, 2023-09)Las transformaciones de los territorios rurales de los últimos años, como consecuencia del cambio climático, no tienen precedentes. Los efectos de estos procesos de transformación condicionan el desarrollo y crecimiento ... -
Araucaria araucana and Salix humboldtiana: Two Species Highly Appreciated by the Society with Domestication Potential
Marchelli, Paula; Sanguinetti, Javier; Izquierdo, Fernanda Celina; Ziegenhagen, Birgit; Martín, Angela; Mattioni, Claudia; Gallo, Leonardo Ariel (Springer, 2021)Pewen, Araucaria araucana (Molina) K. Koch (also known as monkey puzzle tree), is a dioecious large-seeded emergent conifer endemic to the northern region of the temperate forests of Argentina and Chile. The species ... -
Are the rhizosphere fungal communities of Nothofagus alpina established in two different environments influenced by plant genetic diversity?
Fernandez, Natalia Veronica; Marchelli, Paula; Tenreiro, Rogério; Chaves, Sandra; Fontenla, Sonia Beatriz (Elsevier, 2020-10)Fungi are one of the most important soil microorganisms due to their abundance and the importance of the ecosystem processes they carry out, like decomposition, nutrient cycling, and the establishment of biological ... -
Aristotelia chilensis: berry nativo del bosque Andinopatagónico y su respuesta fotosintética bajo condiciones lumínicas contrastantes
Roldan, Cecilia Soledad; Varela, Santiago Agustin; Caballe, Gonzalo; Berli, Federico Javier; El Mujtar, Veronica Andrea; Marchelli, Paula (Red Argentina de Ciencia y Tecnología Forestal, 2023-03)El maqui (Aristotelia chilensis [Mol.] Stunz) es una especie nativa de los bosques Andino Patagónicos de Argentina y Chile (Fredes et al., 2012; Vogel et al., 2014), que produce bayas comestibles con los niveles más altos ... -
Characterization of 23 polymorphic SSR markers in Salix humboldtiana (Salicaceae) using next‐generation sequencing and cross‐amplification from related species
Bozzi, Jorge Alfredo; Liepelt, Sascha; Ohneiser, Sebastian; Gallo, Leonardo Ariel; Marchelli, Paula; Leyer, Ilona; Ziegenhagen, Birgit; Mengel, Christina (Botanical Society of America, 2015-04)Premise of the study: We present a set of 23 polymorphic nuclear microsatellite loci, 18 of which are identified for the first time within the riparian species Salix humboldtiana (Salicaceae) using next‐generation ... -
Clinal variation along precipitation gradients in Patagonian temperate forests: unravelling demographic and selection signatures in three Nothofagus spp.
Soliani, Carolina; Azpilicueta, Maria Marta; Arana, María Veronica; Marchelli, Paula (Springer Nature, 2020-01-10)Past demographic changes and current selection pressures determine the genetic variation displayed by Nothofagus species along rainfall gradients. Based on the diversity trends observed at candidate genes associated to ... -
Coirón Blanco: Avances en su domesticación y mejoramiento genético
Marchelli, Paula; Lopez, Aldana; Azpilicueta, Maria Marta; Nagahama, Nicolas; Ugarte, Cristina Cecilia; Guidalevich, Verónica; Angeli, Juan Pablo; Aparicio, Alejandro Gabriel; Easdale, Marcos Horacio (EEA Bariloche, INTA, 2020-12)Los pastizales naturales son el principal recurso forrajero en Patagonia. La ganadería extensiva, el avance de la desertificación y los cambios en el clima contribuyen a un aumento de la degradación de estos pastizales. ... -
Coirón blanco: primeros pasos en la domesticación de una especie clave de los pastizales patagónicos
Lopez, Aldana Soledad; Siffredi, Guillermo Lorenzo; Azpilicueta, Maria Marta; Arana, María Veronica; Caballe, Gonzalo; Lopez, Dardo Ruben; Marchelli, Paula (Ediciones INTA, 2018-12)Los pastizales naturales son el principal componente forrajero en Patagonia Norte. La ganadería extensiva con suplementación en períodos críticos, la baja cobertura vegetal del suelo y el efecto del viento aumentan el ... -
Crecimiento diferencial de clones de maqui seleccionados en Argentina, según su cultivo bajo distintas condiciones de radiación solar y riego = Differential growth of selected maqui clones in Argentina, according to their cultivation under different conditions of solar radiation and irrigation
Roldan, Cecilia Soledad; El Mujtar, Veronica Andrea; Caballe, Gonzalo; Mazzoni, Ariel Omar; Berli, Federico Javier; Marchelli, Paula (Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, 2023-05)El maqui (Aristotelia chilensis) ha cobrado gran importancia por ser uno de los berries con mayores niveles de capacidad antioxidante hasta ahora conocido y cuya demanda internacional se ha incrementado. Actualmente no ... -
Cross transferability of SSRs to five species of Araucariaceae: a useful tool for population genetic studies in Araucaria araucana
Moreno, Angela Carolina; Marchelli, Paula; Vendramin, Giovanni Giuseppe; Gallo, Leonardo Ariel (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA) (España), 2011)Cross-species amplification of microsatellites is a common procedure to obtain suitable markers to be used in population genetic studies. Primers designed for one (source) species are used to amplify homologous loci in ... -
Deciphering the transcriptomic regulation of heat stress responses in Nothofagus pumilio
Estravis Barcala, Maximiliano; Heer, Katrin; Marchelli, Paula; Ziegenhagen, Birgit; Arana, María Veronica; Bellora Pereyra, Nicolás (Plos One, 2021-03-30)Global warming is predicted to exert negative impacts on plant growth due to the damaging effect of high temperatures on plant physiology. Revealing the genetic architecture underlying the heat stress response is therefore ... -
Deciphering the transcriptomic regulation of heat stress responses in Nothofagus pumilio
Estravis-Barcala, Maximiliano; Herr, Katrin; Marchelli, Paula; Ziegenhagen, Birgit; Arana, María Veronica; Bellora Pereyra, Nicolás (Public Library of Science (PLOS), 2021-03)Global warming is predicted to exert negative impacts on plant growth due to the damaging effect of high temperatures on plant physiology. Revealing the genetic architecture underly ing the heat stress response is therefore ... -
Diferencias fenológicas en poblaciones seleccionadas de Festuca pallescens, pastura nativa Patagónica
Guidalevich, Verónica; Giana, Fabian Eduardo; Lopez, Aldana Soledad; Martin Albarracin, Valeria Leticia; Aparicio, Alejandro Gabriel; Azpilicueta, Maria Marta; Marchelli, Paula (Asociación Argentina de Producción Animal, 2022-11)En la Patagonia, los pastizales naturales son utilizados como fuente de alimento en la producción extensiva de animales domésticos. Ampliar el conocimiento sobre el comportamiento estacional de las pasturas de especies ... -
Different drought‑adaptive capacity of a native Patagonian tree species (Nothofagus pumilio) resulting from local adaptation
Soliani, Carolina; Mattera, María Gabriela; Marchelli, Paula; Azpilicueta, Maria Marta; Dalla Salda, Guillermina (Springer, 2021-06)The resistance of different genotypes to abiotic stress may be due to genetic effects and/or to phenotypic plasticity allowing them to acclimate to variable conditions. The contribution of one or the other mechanism ... -
Differentiation in phenology among and within natural populations of a South American Nothofagus revealed by a two-year evaluation in a common garden trial
Duboscq Carra, Virginia Gisela; Arias Rios, Jorge Andrés; El Mujtar, Veronica Andrea; Marchelli, Paula; Pastorino, Mario Juan (Elsevier, 2020-03-15)Phenological traits are crucial for understanding adaptation to climate change due to their genetic control and association with abiotic factors. However, few data on phenology patterns are available for South American ... -
Distribución natural de Nothofagus alpina y Nothofagus obliqua (nothofagaceae) en Argentina, dos especies de primera importancia forestal de los bosques templados norpatagónicos
Sabatier, Yamila; Azpilicueta, Maria Marta; Marchelli, Paula; González Peñalba, Marcelo; Lozano, Liliana; García, Leandro; Martinez, Abel Hector Maria; Gallo, Leonardo Ariel; Umaña, Fernando; Bran, Donaldo Eduardo; Pastorino, Mario Juan (Sociedad Argentina de Botánica, 2011-06)Conocer la distribución natural de cualquier especie es esencial para poder planificar su conservación o uso. El Raulí [Nothofagus alpina (Poepp. & Endl.) Oerst. = Nothofagus nervosa (Phil.) Dim. et Mil.] y el Roble Pellín ... -
Do populations of Festuca pallescens from a rainfall gradient differ in the expression of morpho-physiological traits under drought stress?
Lopez, Aldana; Lopez, Dardo Ruben; Caballe, Gonzalo; Edwards, Priscila; Marchelli, Paula (Elsevier, 2023-06)In arid environments, stochastic rainfall and high evapotranspiration force plants to optimize water resources. North Patagonia is characterized by a deep rainfall gradient that gives rise to environments with very contrasting ... -
Ectomycorrhizal fungal communities in Nothofagus nervosa [Rauli] : a comparison between domesticated and naturally established specimens in a native forest of Patagonia, Argentina
Fernandez, Natalia Verónica; Marchelli, Paula; Gherghel, Felicia; Kost, Gerhard; Fontenla, Sonia Beatriz (2015-12)Due to its overexploitation during the past century, Nothofagus nervosa is currently included in conservation and domestication programs, in which ectomycorrhizas play an important role. We aimed to describe the abundance ... -
Ectomycorrhizas naturally established in Nothofagus nervosa seedlings under different cultivation practices in a forest nursery
Fernandez, Natalia Verónica; Marchelli, Paula; Fontenla, Sonia Beatriz (Springer, 2013-10)Mycorrhizas are mutualistic associations between soil fungi and plant roots which usually improve water and nutrient uptake, influencing plant fitness. Nothofagus nervosa (Raulí) is an ecologically and economically important ...