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Browsing by Author "20273081241"

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    • A synthesis of functional contributions of rhizobacteria to growth promotion in diverse crops 

      Brambilla, Silvina Maricel; Stritzler, Margarita; Soto, Gabriela Cynthia; Ayub, Nicolás Daniel (Elsevier, 2022-12)
      The endophytic microbes are known to live asymptomatically inside their host and play crucial roles in the growth, development, fitness, and diversification of plants. The plant-endophyte association ranges from mutualism ...

    • Absence of the nitrous oxide reductase gene cluster in commercial alfalfa inoculants is probably due to the extensive loss of genes during rhizobial domestication 

      Brambilla, Silvina Maricel; Frare, Romina Alejandra; Soto, Gabriela Cinthia; Jozefkowicz, Cintia; Ayub, Nicolás Daniel (Springer, 2018-08)
      As other legume crops, alfalfa cultivation increases the emission of the greenhouse gas nitrous oxide (N2O). Since legumesymbiotic nitrogen-fixing bacteria play a crucial role in this emission, it is important to understand ...

    • Alfalfa snakin-1 prevents fungal colonization and probably coevolved with rhizobia 

      Garcia, Araceli Nora; Ayub, Nicolás Daniel; Fox, Ana Romina; Gomez, Maria Cristina; Dieguez, Maria Jose; Pagano, Elba Maria; Berini, Carolina Andrea; Muschietti, Jorge Prometeo; Soto, Gabriela Cinthia (BMC Plant Biology, 2014-09-17)
      Background: The production of antimicrobial peptides is a common defense strategy of living cells against a wide range of pathogens. Plant snakin peptides inhibit bacterial and fungal growth at extremely low concentrations. ...

    • Aportes a la producción sustentable de soja mediante el mejoramiento genético de los rizobios 

      Liebrenz, Karen Ivana (Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2022-07-14)
      La soja es el cultivo que consume más inoculantes a nivel global. Estos inoculantes están basados casi en su totalidad en cepas relacionadas de las especies Bradyrhizobium japonicum y Bradyrhizobium diazoefficiens. ...

    • Caracterización funcional del gen PhaZ en plantas 

      Ortiz, Ana Veronica; Frare, Romina Alejandra; Gomez, Maria Cristina; Jozefkowicz, Cintia; Ayub, Nicolás Daniel; Blumwald, Eduardo; Soto, Gabriela Cynthia (Ministerio de Desarrollo Agrario - Instituto Tecnológico de Chascomús, 2025-05)
      La germinación de semillas es un proceso biológico complejo que involucra una serie de eventos, los cuales se dividen en tres fases principales: la imbibición (fase I), la activación metabólica (fase II) y la protrusión ...

    • CRISPR/Cas9-mediated knockout of a polyester synthase-like gene delays flowering time in alfalfa 

      Galindo Sotomonte, Luisa Fernanda; Jozefkowicz, Cintia; Gomez, Maria Cristina; Stritzler, Margarita; Frare, Romina Alejandra; Bottero, Ana Emilia; Tajima, Hiromi; Blumwald, Eduardo; Ayub, Nicolás Daniel; Soto, Gabriela Cynthia (Springer, 2023-02)
      Alfalfa (Medicago sativa), commonly known as the “Queen of Forages”, is the main source of plant protein for meat and milk production systems worldwide. Since alfalfa is a perennial vegetative-harvest forage, delaying ...

    • CRISPR/Cas9‑mediated knockout of SPL13 radically increases lettuce yield 

      Beracochea, Valeria Cecilia; Stritzler, Margarita; Radonic, Laura Mabel; Bottero, Ana Emilia; Jozefkowicz, Cintia; Darqui, Flavia Soledad; Ayub, Nicolás Daniel; Lopez Bilbao, Marisa Gisela; Soto, Gabriela Cynthia (Springer, 2022-12)
      Cultivated lettuce (Lactuca sativa L.) is a diploid (2n = 2x = 18), autogamous species. This popular leafy vegetable is considered one of the first crops (Guo et al. 2022). Currently, lettuce is the third most consumed ...

    • Edición génica del inoculante comercial de Alfalfa mediante base-editing por CRISPR-Cas9 

      Serantes, María Laura; Stritzler, Margarita; Brambilla, Silvina Maricel; Ayub, Nicolás Daniel (Ministerio de Desarrollo Agrario - Instituto Tecnológico de Chascomús, 2025-05)
      En países agroexportadores como Argentina, impulsar cultivos sostenibles con menos agroquímicos es clave para reducir costos ambientales y económicos. En este contexto, los inoculantes fijadores de nitrógeno son esenciales ...

    • Edición génica en inoculantes de soja por CRISPR-Cas9 : Mejoramientos para una mayor sostenibilidad agrícola 

      Serantes, María Laura; Stritzler, Margarita; Brambilla, Silvina Maricel; Ayub, Nicolás Daniel (INTA, 2024-11)
      La promoción de cultivos sostenibles con menor uso de agroquímicos es esencial en la agricultura moderna. Los inoculantes fijadores de nitrógeno, como Bradyrhizobium japonicum E109 y SEMIA 5079, utilizados en soja, reducen ...

    • Efectos de la domesticación de los rizobios simbiontes de alfalfa, sobre su capacidad de fijar nitrógeno y degradar óxido nitroso 

      Brambilla, Silvina Maricel (Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2020)
      La disponibilidad de nitrógeno es un factor crítico para la productividad de los cultivos. La aplicación de fertilizantes nitrogenados sintéticos derivados del petróleo ha logrado disminuir parcialmente la deficiencia de ...

    • Efficient CRISPR/Cas9 genome editing in alfalfa using a public germplasm 

      Bottero, Ana Emilia; Massa, Gabriela Alejandra; Gonzalez, Matías Nicolás; Stritzler, Margarita; Tajima, Hiromi; Gomez, Maria Cristina; Frare, Romina Alejandra; Feingold, Sergio Enrique; Blumwald, Eduardo; Ayub, Nicolás Daniel; Soto, Gabriela Cynthia (Frontiers Media, 2021-07)
      Because its ability to acquire large amounts of nitrogen by symbiosis, tetraploid alfalfa is the main source of vegetable proteins in meat and milk production systems in temperate regions. Alfalfa cultivation also adds ...

    • Engineering a commercial soybean inoculant to efficiently degrade glyphosate 

      Brambilla, Silvina Maricel; Pascuan, Cecilia Gabriela; Frare, Romina Alejandra; Liebrenz, Karen Ivana; Pesquero, Natalia; Ruiz, María Juana; Soto, Gabriela Cynthia; Cristos, Diego Sebastian; Ayub, Nicolás Daniel (Elsevier, 2025-06)
      Nitrogen-fixing rhizobia possess the well-characterized phn operon, which encodes the C–P lyase enzymatic complex responsible for degrading phosphonates such as glyphosate. However, glyphosate exerts a bacteriostatic effect ...

    • Engineering Pseudomonas protegens Pf-5 for nitrogen fixation and its application to improve plant growth under nitrogen-deficient conditions 

      Setten, Lorena; Soto, Gabriela Cinthia; Mozzicafreddo, Matteo; Fox, Ana Romina; Lisi, Christian Daniel; Cuccioloni, Massimiliano; Angeletti, Mauro; Pagano, Elba Maria; Diaz Paleo, Antonio Horacio; Ayub, Nicolás Daniel (2013-05-13)
      Nitrogen is the second most critical factor for crop production after water. In this study, the beneficial rhizobacterium Pseudomonas protegens Pf-5 was genetically modified to fix nitrogen using the genes encoding the ...

    • Evaluación de un consorcio bacteriano para la fijación biológica de nitrógeno en alfalfa = Evaluation of a bacterial consortium for the nitrogen biological fixation in alfalfa 

      Moreno, Maria Valeria; Silva, Mercedes Pilar; Scarponi Gomez, Antonela; Arolfo, Valeria; Odorizzi, Ariel; Brambilla, Silvina Maricel; Soto, Gabriela Cynthia; Ayub, Nicolás Daniel; López, J.; Erdozain Bagolin, Sofia Agostina; Lagares, Antonio (Asociación Argentina de Producción Animal (AAPA), 2024-09)
      La alfalfa (Medicago sativa L.) es un cultivo de importancia mundial por su alta calidad nutricional, alto rendimiento y su capacidad para la fijación biológica de nitrógeno atmosférico (FBN). En el proceso de FBN, la ...

    • Expanding the benefits of Tnt1 for the identification of dominant mutations in polyploid crops: A single allelic mutation in the MsNAC39 gene produces multifoliated alfalfa 

      Jozefkowicz, Cintia; Gomez, Maria Cristina; Odorizzi, Ariel; Iantcheva, Anelia; Ratet, Pascal; Ayub, Nicolás Daniel; Soto, Gabriela Cynthia (Frontiers Media, 2022-04)
      Most major crops are polyploid species and the production of genetically engineered cultivars normally requires the introgression of transgenic or gene-edited traits into elite germplasm. Thus, a main goal of plant research ...

    • Exploring the ancestral mechanisms of regulation of horizontally acquired nitrogenases 

      Pascuan, Cecilia Gabriela; Fox, Ana Romina; Soto, Gabriela Cinthia; Ayub, Nicolás Daniel (Springer, 2015-10)
      The vast majority of Pseudomonas species are unable to fix atmospheric nitrogen. Although several studies have demonstrated that some strains belonging to the genus Pseudomonas sensu stricto do have the ability to fix ...

    • Exploring the cooperation between nitrogen-fixing and non-fixing alfalfa rhizobia 

      Brambilla, Silvina Maricel; Liebrenz, Karen Ivana; Odorizzi, Ariel; Arolfo, Valeria; Maguire, Vanina Giselle; Moreno, Maria Valeria; Ruiz, Oscar Adolfo; Stritzler, Margarita; Serantes, Maria Laura; Soto, Gabriela Cynthia; Ayub, Nicolás Daniel (Springer, 2024-07-05)
      Alfalfa plays a crucial role in agriculture due to its nitrogen-fixing partnership with rhizobia, resulting in nutritious forage. While the potential parasitic action of inefficient rhizobia has been extensively studied, ...

    • Exploring the Intrinsic Limits of Nitrogenase Transfer from Bacteria to Eukaryotes 

      Soto, Gabriela Cynthia; Fox, Ana Romina; Ayub, Nicolás Daniel (Springer, 2013-08)
      Biological nitrogen fixation is widespread among the Eubacteria and Archae domains but completely absent in eukaryotes. The lack of lateral transfer of nitrogen-fixation genes from prokaryotes to eukaryotes has been partially ...

    • Exploring the relationship of potential new rhizobacteria metabolism with Lotus spp. performance in a rice-pasture rotation system 

      Maguire, Vanina Giselle; Rodríguez, Andrés Alberto; Alonso, Andrés Mariano; Ezquiaga, Juan Pedro; Salas, Nehuén; Llames, María Eugenia; Gortari, Maximiliano; Ayub, Nicolás Daniel; Brambilla, Silvina Maricel; Bouilly, Pedro José; Romero, Fernando Matías; Gárriz, Andrés; Ruíz, Oscar Adolfo (Springer, 2025-11-03)
      The first objective of this study was to identify and characterize new strains isolated from rice–pasture rotation soils, capable of: (A) establishing efficient symbiosis with Lotus plants and (B) enhancing their performance ...

    • Exploring the role of the NO‑detoxifying enzyme HmpA in the evolution of domesticated Alfalfa Rhizobia 

      Frare, Romina Alejandra; Pascuan, Cecilia Gabriela; Galindo Sotomonte, Luisa Fernanda; McCormick, Wayne; Soto, Gabriela Cynthia; Ayub, Nicolás Daniel (Springer, 2022-02)
      We have previously shown the extensive loss of genes during the domestication of alfalfa rhizobia and the high nitrous oxide emission associated with the extreme genomic instability of commercial inoculants. In the present ...