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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 ... -
Análisis de la secuencia genómica de Bacillus thuringiensis serovar darmstadiensis INTA Mo14-4, una cepa argentina con actividad nematicida
Palma, Leopoldo; Ghiglione, Bárbara; Perez, Melisa Paula; Salas, Augusto; Berretta, Marcelo Facundo; Sauka, Diego Hernan (Asociación Argentina de Microbiología, 2021-09-15)Bacillus thuringiensis es una bacteria gram positiva que produce durante la esporulación uno o más cuerpos parasporales cristalinos proteínicos responsables de su actividad letal para diversos invertebrados (artrópodos y ... -
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 ... -
Control microbiano de los insectos en la agricultura
Berretta, Marcelo Facundo (Asociación Argentina de Microbiología, 2019-12)Las relaciones entre microorganismos e insectos son enormemente variadas y complejas. Comparativamente con otros microorganismos, los patógenos de insectos o entomopatógenos han recibido mayor atención como objetos de ... -
Draft genome sequence data of Cercospora kikuchii, a causal agent of Cercospora leaf blight and purple seed stain of soybeans
Sautua, Francisco José; Gonzalez, Sergio Alberto; Doyle, Vinson P.; Berretta, Marcelo Facundo; Gordó, Manuela; Scandiani, María Mercedes; Rivarola, Maximo Lisandro; Fernandez, Paula Del Carmen; Carmona, Marcelo Anibal (Elsevier, 2019-10)Cercospora kikuchii (Tak. Matsumoto & Tomoy.) M.W. Gardner 1927 is an ascomycete fungal pathogen that causes Cercospora leaf blight and purple seed stain on soybean. Here, we report the first draft genome sequence and ... -
Draft Genome Sequence of Bacillus thuringiensis INTA Fr7-4
Navas, Laura Emilce; Berretta, Marcelo Facundo; Ortiz, Elio Maximiliano; Sauka, Diego Hernan; Benintende, Graciela Beatriz; Zandomeni, Ruben; Amadio, Ariel (2017)We report here the complete annotated 6,035,547-bp draft genome sequence of Bacillus thuringiensis INTA Fr7-4. This strain contains three cry8 and two vip1 and vip2 insecticidal toxin genes. -
El estudio de aislamientos autóctonos revela un nuevo linaje del complejo de especies Metarhizium anisopliae
Adriani, Natalia; Posadas, Julieta Beatriz; Salvador, Ricardo; Berretta, Marcelo Facundo (Asociación Argentina de Microbiología, 2021-09-15)El género Metarhizium comprende un grupo ubicuo de hongos entomopatógenos productores de conidios de coloración verde a marrón. Actúan como reguladores de las poblaciones de insectos de distintos órdenes, y varios han sido ... -
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 ... -
Functional analysis of Spodoptera frugiperda nucleopolyhedrovirus late expression factors in Sf9 cells
Berretta, Marcelo Facundo; Lopez, Maria Gabriela; Taboga, Oscar Alberto; Sciocco, Alicia Ines; Romanowski, Victor (2013-02)We used transient expression assays to assess the function of the baculovirus Spodoptera frugiperda M nucleopolyhedrovirus (SfMNPV) homologs of Autographa californica MNPV (AcMNPV) factors involved in late gene expression ... -
Fusarium branch blight on highbush blueberry in Argentina
Wright, Eduardo Roberto; Rivera, Marta Carolina; Campanella, Eduardo Raúl; Farinon, Omar Marcelo; Berretta, Marcelo Facundo; Perez, Beatriz Alida (2014-12)In Argentina, highbush blueberry (Vaccinium corymbosum) is grown in Tucumán, Entre Ríos and Buenos Aires provinces. In the 2010 to 2011 cropping season, a new disease with 10% incidence was observed on the foliage of ... -
Fusion of a bacterial cadherin-like domain and green fluorescent protein as a specific probe to study biofilm matrix formation in Rhizobium spp
Abdian, Patricia Lorena; Malori, María Soledad; Caramelo, Julio J.; Maglio Checchi, Abi; Russo, Daniela M.; Zorreguieta, Angeles; Berretta, Marcelo Facundo; Benintende, Graciela Beatriz (Microbiology Society, 2022-12-13)Rhizobium adhering proteins or ‘Raps’ are secreted proteins identified in a very restricted group of rhizobial strains, specifically those belonging to R. leguminosarum and R. etli. The distinctive feature of members of ... -
Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
Niz, José María; Salvador, Ricardo; Ferrelli, María Leticia; Sciocco, Alicia Ines; Romanowski, Víctor; Berretta, Marcelo Facundo (Springer, 2020)The fall armyworm, Spodoptera frugiperda (JE Smith) is a key pest in the Americas. Control strategies are mainly carried out by use of chemical insecticides and transgenic crops expressing Bacillus thuringiensis toxins. ... -
Genomic diversity in a population of Spodoptera frugiperda nucleopolyhedrovirus
Masson, Tomás; Fabre, María Laura; Pidre, Matias Luis; Niz, José María; Berretta, Marcelo Facundo; Romanowski, Víctor; Ferrelli, María Leticia (Elsevier, 2021-06)Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) represents a strong candidate to develop environmental-friendly pesticides against the fall armyworm (Spodoptera frugiperda), a widespread pest that poses a ... -
Nucleopoliedrovirus de Spodoptera frugiperda (SfMNPV)
Berretta, Marcelo Facundo (Asociación Argentina de Microbiología, 2020-03)SfMNPV es una especie perteneciente a la familia Baculoviridae, un grupo de virus de insectos, principalmente lepidópteros, con genoma de ADN doble cadena, circular, superenrollado, que se encuentra empaquetado en una ... -
Nueva variante de Bacillus toyonensis con cristales parasporales sin actividad pesticida
Sauka, Diego Hernan; Perez, Melisa Paula; Berretta, Marcelo Facundo; Palma, Leopoldo; Pinto, Matheus Moreira Dantas; Abdelgaffar, Heba; Jurat-Fuentes, Juan Luis (Asociación Argentina de Microbiología, 2024-08-21)El grupo Bacillus cereus sensu lato incluye Bacillus anthracis, B. cereus sensu stricto, Bacillus cytotoxicus, Bacillus mycoides, Bacillus pseudomycoides, Bacillus thuringiensis, Bacillus weihenstephanensis y la más reciente ... -
Presencia de zearalenona en pasturas del este de Chaco
Salvat, Adriana Elisabeth; Balbuena, Osvaldo; Ricca, Alejandra Patricia; Comerio, Ricardo Mario; Rosello Brajovich, José Emilio; Rojas, Dante Emanuel; Berretta, Marcelo Facundo; Delssin, Eduardo; Bedascarrasbure, Enrique Luciano; Salerno, Juan Carlos (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2013-04)Se estudió la presencia de zearalenona en pasturas y alimentos que son utilizados para la producción de bovinos de carne de la zona este de la provincia del Chaco. Asimismo, se realizó el aislamiento e identificación de ... -
Selection of Bacillus thuringiensis strains toxic to cotton boll weevil (Anthonomus grandis, Coleoptera: Curculionidae) larvae = Selección de cepas de Bacillus thuringiensis tóxicas para larvas del picudo del algodonero (Anthonomus grandis, Coleoptera: Curculionidae)
Perez, Melisa Paula; Sauka, Diego Hernan; Onco, Maria Ines; Berretta, Marcelo Facundo; Benintende, Graciela Beatriz (Asociación Argentina de Microbiología, 2017-09)Preliminary bioassays with whole cultures (WC) of 124 Bacillus thuringiensis strains were performed with neonate larvae of Anthonomus grandis, a major cotton pest in Argentina and other regions of the Americas. Three exotic ... -
Species diversity of Cladorrhinum in Argentina and description of a new species, Cladorrhinum australe
Carmaran, Cecilia Cristina; Berretta, Marcelo Facundo; Martinez, Sofía Inés; Barrera, Viviana Andrea; Munaut, Françoise; Gasoni, Amelia Laura (Springer, 2015-10)The genus Cladorrhinum constitutes a fungal group of prime importance for agriculture and livestock, since some species have biocontrol potential or were shown to promote plant growth and to produce phytases, which are ... -
Susceptibility of agricultural pests of regional importance in South America to a Bacillus thuringiensis Cry1Ia protein
Berretta, Marcelo Facundo; Pedarros, Analía Soledad; Sauka, Diego Hernan; Perez, Melisa Paula; Onco, Maria Ines; Benintende, Graciela Beatriz (Elsevier, 2020-05)Bacillus thuringiensis toxins of the Cry1I class have dual specificity for insects in the orders Coleoptera and Lepidoptera. We assessed the toxicity of a Cry1Ia protein from an Argentinian B. thuringiensis strain against ...