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A thermostable laccase from Thermus sp. 2.9 and its potential for delignification of Eucalyptus biomass
Navas, Laura Emilce; Martinez, Fernando; Taverna, María Eugenia; Fetherolf, Morgan M.; Eltis, Lindsay D.; Nicolau, Veronica Viviana; Estenoz, Diana Alejandra; Campos, Eleonora; Benintende, Graciela Beatriz; Berretta, Marcelo Facundo (SpringerOpen, 2019-02)Laccases are multicopper oxidases that are being studied for their potential application in pretreatment strategies of lignocellulosic feedstocks for bioethanol production. Here, we report the expression and characterization ... -
Characterization of a Novel Thermostable Enzyme from Thermus sp. 2.9 with Phospholipase and Acyltransferase Activities
Navas, Laura Emilce; Florin-Christensen, Mónica; Benintende, Graciela Beatriz; Zandomeni, Ruben; Berretta, Marcelo Facundo (Karger, 2018)Phospholipases are classified in different enzyme families according to the ester bond they cleave within phospholipids. The use of phospholipases in industrial processes has prompted the search for new enzymes with ... -
Complete Sequence and Organization of pFR260, the Bacillus thuringiensis INTA Fr7-4 Plasmid Harboring Insecticidal Genes
Benintende, Graciela Beatriz; Berretta, Marcelo Facundo; Zandomeni, Ruben; Sauka, Diego Hernan; Amadio, Ariel F.; Ortiz, Elio Maximiliano; Navas, Laura Emilce (2017)We report the complete sequence and analysis of pFR260, a novel megaplasmid of 260,595 bp from the Bacillus thuringiensis strain INTA Fr7-4 isolated in Argentina. It carries 7 insecticidal genes: 3 cry8 copies previously ... -
Fast decolorization of azo dyes in alkaline solutions by a thermostable metal‑tolerant bacterial laccase and proposed degradation pathways
Navas, Laura Emilce; Carballo, Romina; Levin, Laura; Berretta, Marcelo Facundo (Springer, 2020-07-02)Biocatalytic decolorization of azo dyes is hampered by their recalcitrance and the characteristics of textile effluents. Alkaline pH and heavy metals present in colored wastewaters generally limit the activity of enzymes ... -
Identificación de genes codificantes de enzimas de interés industrial en una cepa de bacteria termofílica aislada de aguas termales de Salta (Argentina)
Navas, Laura Emilce; Amadio, Ariel; Fuxan Laria, Irma Noemí; Zandomeni, Ruben (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2014-04)Se aislaron dos bacterias termofílicas a partir de aguas termales de la provincia de Salta, Argentina. Estudios filogenéticos permitieron caracterizar los aislamientos como pertenecientes a los géneros Thermus y Geobacillus. ... -
Production of a bacterial secretome highly efficient for the deconstruction of xylans
Topalian, Juliana; Navas, Laura Emilce; Ontañon, Ornella Mailen; Valacco, Maria Pia; Noseda, Diego Gabriel; Blasco, Martín; Peña, María Jesús; Urbanowicz, Breeanna Rae; Campos, Eleonora (Springer, 2024-09)Bacteria within the Paenibacillus genus are known to secrete a diverse array of enzymes capable of breaking down plant cell wall polysaccharides. We studied the extracellular xylanolytic activity of Paenibacillus xylanivorans ... -
Secuenciación y análisis de dos genomas bacterianos: Thermus sp. 2.9 y Bacillus thuringiensis INTA Fr7-4. Identificación y análisis funcional de proteínas/enzimas con aplicación agroindustrial
Navas, Laura Emilce (Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2015)La importancia de secuenciar genomas bacterianos radica, por un lado, en la información que resulta del análisis comparativo con genomas emparentados, contribuyendo al conocimiento de la diversidad, y por otro lado, en el ...