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Arbuscular mycorrhizal fungi from argentinean highland puna soils unveiled by propagule multiplication
Covacevich, Fernanda; Hernandez Guijarro, Keren; Crespo, Esteban; Lumini, Erica; Rivero Mega, María Soledad; Lugo, Mónica (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-30)Low arbuscular-mycorrhizal (AM) sporulation in arid field soils limits our knowledge of indigenous species when diversity studies are based only on spore morphology. Our aim was to use different approaches (i.e., spore ... -
Bacterias nativas del suelo con potencial para la degradación de glifosato y promoción del crecimiento vegetal.
Hernandez Guijarro, Keren; Covacevich, Fernanda; Aparicio, Virginia Carolina; De Geronimo, Eduardo (Asociación Argentina de la Ciencia del Suelo, 2018-12)El uso de los microorganismos del suelo y sus interacciones benéficas con las plantas y el ecosistema, son una estrategia promisoria para lograr una agricultura sustentable. Debido a la alta frecuencia de detección del ... -
Can soil properties and agricultural land use affect arbuscular mycorrhizal fungal communities indigenous from the Argentinean Pampas soils?
Thougnon Islas, Andrea Julieta; Hernandez Guijarro, Keren; Eyherabide, Mercedes; Sainz Rozas, Hernan Rene; Echeverria, Hernan Eduardo; Covacevich, Fernanda (Elsevier, 2016-05)In order to determine if intensive agricultural land use and/or edaphic characteristics modify the community of the arbuscular mycorrhizal fungi (AMF) indigenous of soils from the Argentinean Pampa; mycorrhizal colonization, ... -
Effect of on-farm poultry litter composting processes on physicochemical, biological, and toxicological parameters and reduction of antibiotics and antibiotic-resistant Escherichia coli
Okada, Elena; Young, Brian Jonathan; Pérez, Débora Jesabel; Pellegrini, María Celeste; Carciochi, Walter Daniel; Lavallén, Carla Mariela; Ponce, Alejandra Graciela; Dopchiz, Marcela Cecilia; Hernandez Guijarro, Keren; Franco, María Del Rocío; Di Martino, Ana Maria; Rizzo, Pedro Federico (Elsevier, 2024-02)Poultry litter is a valuable source of nutrients for crop production, but its use in agriculture can lead to environmental and public health concerns due to the presence of pollutants, antibiotic-resistant bacteria (ARB) ... -
Glyphosate Biodegradation Potential in Soil Based on Glycine Oxidase Gene (thiO) from Bradyrhizobium
Hernandez Guijarro, Keren; De Geronimo, Eduardo; Erijman, Leonardo (Springer Nature, 2021-04-02)Despite the intensive use of glyphosate (GP) and its ubiquitous presence in the environment, studies addressing the presence of microbial genes involved in glyphosate degradation in natural conditions are scarce. Based on ... -
Labranza y fertilización como moduladores de la dinámica de comunidades microbianas asociadas a un cultivo de trigo en el sudeste bonaerense (Argentina)
Barbieri, Pablo Andrés; Hernández Guijarro, Keren; Echeverria, Hernan Eduardo; Covacevich, Fernanda; Pérez, Germán Ricardo (Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2017)El objetivo del trabajo fue evaluar a campo el efecto de la labranza y la fertilización con macro y micronutrientes, sobre el crecimiento y la colonización de raíces por hongos micorrícicos arbusculares y la abundancia de ... -
Microbiomes and glyphosate biodegradation in edaphic and aquatic environments: recent issues and trends
Zabaloy, María Celina; Allegrini, Marco; Hernandez Guijarro, Keren; Behrends Kraemer, Felipe; Morras, Héctor José María; Erijman, Leonardo (Springer, 2022-04-28)Glyphosate (N-(phosphonomethyl)glycine) has emerged as the top-selling herbicide worldwide because of its versatility in controlling annual and perennial weeds and the extensive use of glyphosate-resistant crops. Concerns ...