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Genetic diversity in a world germplasm collection of tall fescue
Cuyeu, Alba Romina; Rosso, Beatriz Susana; Pagano, Elba Maria; Soto, Gabriela; Fox, Ana Romina; Ayub, Nicolás Daniel (2013)Festuca arundinacea Schreb., commonly known as tall fescue, is a major forage crop in temperate regions. Recently, a molecular analysis of different accessions of a world germplasm collection of tall fescue has demonstrated ... -
LOV‐domain photoreceptor, encoded in a genomic island, attenuates the virulence of Pseudomonas syringae in light‐exposed Arabidopsis leaves
Moriconi, Victoria; Sellaro, Romina Vanesa; Ayub, Nicolás Daniel; Soto, Gabriela; Rugnone, Matias Leandro; Shah, Rashmi; Pathak, Gopal P.; Gärtner, Wolfgang; Casal, Jorge José (Wiley, 2013-10)In Arabidopsis thaliana, light signals modulate the defences against bacteria. Here we show that light perceived by the LOV domain‐regulated two‐component system (Pst–Lov) of Pseudomonas syringae pv. tomato DC3000 (Pst ... -
Plant growth-promoting bacterium Pseudomonas fluorescens FR1 secrets a novel type of extracellular polyhydroxybutyrate polymerase involved in abiotic stress response in plants
Stritzler, Margarita; Diez Tissera, Ana; Soto, Gabriela; Ayub, Nicolás Daniel (Springer, 2018)Objectives Identification of novel microbial factors contributing to plant protection against abiotic stress. Results The genome of plant growth-promoting bacterium Pseudomonas fluorescens FR1 contains a short mobile ... -
Plant growth-promoting genes can switch to be virulence factors via horizontal gene transfer
Stritzler, Margarita; Soto, Gabriela; Ayub, Nicolás Daniel (Springer, 2018-10)There are increasing evidences that horizontal gene transfer (HGT) is a critical mechanism of bacterial evolution, while its complete impact remains unclear. A main constraint of HGT effects on microbial evolution seems ... -
Spontaneous Mutations in the Nitrate Reductase Gene napC Drive the Emergence of Eco-friendly Low-N2O-Emitting Alfalfa Rhizobia in Regions with Different Climates
Brambilla, Silvina Maricel; Soto, Gabriela; Odorizzi, Ariel; Arolfo, Valeria; McCormick, Wayne; Primo, Emiliano; Giordano, Walter; Jozefkowicz, Cintia; Ayub, Nicolás Daniel (Springer, 2020)We have recently shown that commercial alfalfa inoculants (e.g., Sinorhizobium meliloti B399), which are closely related to the denitrifier model strain Sinorhizobium meliloti 1021, have conserved nitrate, nitrite, and ...