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Mostrando ítems 1-13 de 13
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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 ... -
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 ... -
Evidence of genetic determination in the growth habit of Nothofagus pumilio (Poepp. & Endl.) Krasser at the extremes of an elevation gradient
Soliani, Carolina; Aparicio, Alejandro Gabriel (Taylor & Francis, 2020)In temperate mountainous regions, altitudinal clines in tree size and growth habit develop from a gradual adjustment of multiple traits to tolerate harshening conditions with altitude. We perform a common garden trial with ... -
Genetic assessment of the invasion history of Drosophila suzukii in Argentina
De La Vega, Gerardo; Corley, Juan Carlos; Soliani, Carolina (Springer Nature, 2019-08)Drosophila suzukii (Diptera: Drosophilidae) is a highly polyphagous fruit pest native to eastern Asia, which in the last decade had widely expanded its range and become a serious pest in the Americas and Europe. Invasion ... -
Genetic diversity and population structure in Nothofagus pumilio, a foundation species of Patagonian forests: defining priority conservation areas and management
Mattera, María Gabriela; Pastorino, Mario Juan; Lantschner, Maria Victoria; Marchelli, Paula; Soliani, Carolina (Springer Nature, 2020-11)Patagonian forests are the southernmost temperate forests in the world, and Nothofagus pumilio is one of their most ecologically important tree species (i.e., a foundation species). It presents great adaptability and a ... -
Genomic responses to climate: Understanding local adaptation in the Andean tree species Nothofagus pumilio and implications for a changing world
Sekely, Jill; Marchelli, Paula; Arana, María Veronica; Dauphin, Benjamin; Mattera, Maria Gabriela; Pastorino, Mario Juan; Scotti, Ivan; Soliani, Carolina; Heer, Katrin; Opgenoorth, Lars (Wiley, 2024-03)Nothofagus pumilio is a foundation tree species that inhabits a 2000-km-long range in the southern Andes, a region with two perpendicular environmental gradients: temperature and photoperiod (North–South), and precipitation ... -
Halfway encounters: Meeting points of colonization routes among the southern beeches Nothofagus pumilio and N. antarctica
Soliani, Carolina; Tsuda, Yoshiaki; Bagnoli, Francesca; Gallo, Leonardo Ariel; Vendramin, Giovanni Giuseppe; Marchelli, Paula (2015-04)The Patagonian region is characterized by a complex biogeographic history, with evidence of deep phylogeographic breaks shared among species. Of particular interest to conservation is the nature of colonization and settlement ... -
Logging by selective extraction of best trees: Does it change patterns of genetic diversity? : The case of Nothofagus pumilio
Soliani, Carolina; Gallo, Leonardo Ariel; Marchelli, Paula; Vendramin, Giovanni Giuseppe (2016)Un amplio conocimiento de las consecuencias ecológicas y genéticas de la aplicación de las prácticas de gestión en los ecosistemas naturales es de fundamental importancia para las acciones de conservación. El principal ... -
Molecular bases of responses to abiotic stress in trees
Estravis Barcala, Maximiliano; Mattera, María Gabriela; Soliani, Carolina; Bellora Pereyra, Nicolás; Opgenoorth, Lars; Heer, Katrin; Arana, María Veronica (Oxford University Press, 2020-06)Trees are constantly exposed to climate fluctuations, which vary with both time and geographic location. Environmental changes that are outside of the physiological favorable range usually negatively affect plant performance ... -
Phylogeography of two hybridizing southern beeches (Nothofagus spp.) with different adaptive abilities
Soliani, Carolina; Gallo, Leonardo Ariel; Marchelli, Paula (Springer, 2011-12-17)In phylogenetically related plant species, hybridization can influence their current genetic structure. Long-lasting hybridization may be related to persistence in shared glacial refugia, where the differential abilities ... -
Predicting the distribution of plant species from southern South America: are the hotspots of genetic diversity threatened by climate change?
Soliani, Carolina; Ceccarelli, Viviana; Lantschner, Maria Victoria; Thomas, Evert; Marchelli, Paula (Springer, 2024-01)Biodiversity in all its dimensions is being threatened by climate change and the impact of human activities. Genetic diversity is a key dimension of biodiversity underlying adaptation to global changes. Here we assess the ... -
Temperature and day length drive local adaptation in the Patagonian foundation tree species Nothofagus pumilio
Sekely, Jill; Marchelli, Paula; Arana, María Veronica; Dauphin, Benjamin; Mattera, Maria Gabriela; Pastorino, Mario Juan; Scotti, Ivan; Soliani, Carolina; Heer, Katrin; Opgenoorth, Lars (BioRxiv, 2023-04-29)Climate change alters relationships among environmental conditions and thus has the potential to change the selection pressures acting on adaptive gene variants. Using a landscape genomic approach, we show that the southern ... -
Worldwide diversity of endophytic fungi and insects associated with dormant tree twigs
Franic, Iva; Prospero, Simone; Adamson, Kalev; Corley, Juan Carlos; Lantschner, Maria Victoria; Soliani, Carolina; Eschen, René (Springer, 2022-03)International trade in plants and climate change are two of the main factors causing damaging tree pests (i.e. fungi and insects) to spread into new areas. To mitigate these risks, a large-scale assessment of tree-associated ...