Browsing by Author "Vaca Cerezo, Inmaculada"
Now showing items 1-20 of 25
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Areche, Carlos; Vaca Cerezo, Inmaculada; Labbe, Pamela; Soto Delgado, Jorge; Astudillo, Luis; Silva, Mario; Rovirosa, Juana; San Martín Barrientos, Aurelio (2011)Biological transformation of the meroditerpenoid, stypotriol triacetate (1) by the fungi Aspergillus niger, Cunninghamella elegans, Gibberella fujikuroi and Mucor plumbeus was studied. The incubation of 1 with A. niger ...
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Rodríguez Vega, Sebastián Jesús Amadeo. (Universidad de Chile, 2018-08)Actualmente, el uso de enzimas corresponde a un área de la biotecnología de gran crecimiento y desarrollo, la cual ha buscado dar solución a problemas de tipo industriales, biomédicos y domésticos; representando una solución ...
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Ullán, Ricardo V.; Teijeira, Fernando; Guerra, Susana M.; Vaca Cerezo, Inmaculada; Martín, Juan F. (2010)The mechanisms of compartmentalization of intermediates and secretion of penicillins and cephalosporins in β-lactam antibiotic-producing fungi are of great interest. In Acremonium chrysogenum, there is a compartmentalization ...
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Poveda, Gabriela; Gil Durán, Carlos; Vaca Cerezo, Inmaculada; Levicán, Gloria; Chávez, Renato (2018)BACKGROUND: Pectinase enzymes catalyze the breakdown of pectin, a key component of the plant cell wall. At industrial level, pectinases are used in diverse applications, especially in food-processing industry. Currently, ...
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Del-Cid, Abdiel; Ubilla, Pamela; Ravanal, María Cristina; Medina, Exequiel; Vaca Cerezo, Inmaculada; Levicán, Gloria; Eyzaguirre, Jaime; Chávez, Renato (2014)Despite their potential biotechnological applications, cold-active xylanolytic enzymes have been poorly studied. In this work, 38 fungi isolated from marine sponges collected in King George Island, Antarctica, were screened ...
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Urrutia Henriquez, Marlene (Universidad de Chile., 2015)Penicillium roqueforti es una de las especies mas conocidas del genero fungico penicillium debido a su amplia utilizacion en la producciom de quesos azules. Varios estudios han demostrado que P. roqueforti es un gran ...
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Navarro Martínez, Felipe Andrés (Universidad de Chile, 2022)El tomate es uno de los cultivos de mayor importancia a nivel mundial, cuyo rendimiento se ve fuertemente afectado por enfermedades como la marchitez causada por el hongo Fusarium oxysporum f.sp. lycopersici (Fol). Ante ...
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Oliva Galleguillos, Vicente Edmundo (Universidad de Chile., 2019-04)Los hongos filamentosos de ambientes extremos son fuentes promisorias de metabolitos secundarios de carácter novedoso. En particular, el género fúngico Pseudogymnoascus, que habita distintos ambientes fríos, entre ellos ...
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Rojas Martínez, Victoria Paz (Universidad de Chile, 2021)Chile se distingue por ser un importante productor de frutas y verduras a nivel mundial. Entre ellas, el tomate (Solanum lycopersicum) es una de las hortalizas más consumidas. Sin embargo, los cultivos suelen ser susceptibles ...
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Gil Durán, Carlos; Ravanal, María Cristina; Ubilla, Pamela; Vaca Cerezo, Inmaculada; Chávez, Renato (Elsevier B.V., 2018)© 2018 British Mycological SocietyNumerous endoxylanases from mesophilic fungi have been purified and characterized. However, endoxylanases from cold-adapted fungi, especially those from Antarctica, have been less studied. ...
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Díaz Morales, Anaís Daniela (Universidad de Chile, 2022)Entre todos los metabolitos secundarios fúngicos, los sideróforos destacan por ser un grupo de compuestos con gran diversidad estructural y aplicabilidad en diversas industrias biotecnológicas. Es por ello que la búsqueda ...
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Van der Nest, Magriet A.; Chávez, Renato; De Vos, Lieschen; Duong, Tuan A.; Gil Durán, Carlos; Ferreira, María Alves; Lane, Frances a.; Levicán, Gloria; Santana, Quentin C.; Steenkamp, Emma T.; Suzuki, Hiroyuki; Tello, Mario; Rakoma, Jostina R.; Vaca Cerezo, Inmaculada; Valdés, Natalia; Wilken, P. Markus; Wingfield, Michael J.; Wingfield, Brenda D. (BMC, 2021)Draft genomes of Penicillium roqueforti, Fusarium sororula, Chalaropsis populi, and Chrysoporthe puriensis are presented. Penicillium roqueforti is a model fungus for genetics, physiological and metabolic studies, as well ...
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Navarrete, Katherinne; Roa, Amanda; Vaca Cerezo, Inmaculada; Espinosa, Yeison; Navarro, Claudio; Chávez, Renato (BioMed Central Ltd., 2009)Genetic manipulation of the filamentous fungus Penicillium camemberti has been limited by a lack of suitable genetics tools for this fungus. In particular, there is no available homologous transformation system. In this ...
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Wu, Xiaobin; García-Estrada, Carlos; Vaca Cerezo, Inmaculada; Martín, Juan Francisco (2012)The first step in the penicillin biosynthetic pathway is the non-ribosomal condensation of l-α-aminoadipic acid, l-cysteine and l-valine into the tripeptide δ-(l-α-aminoadipyl)-l-cysteinyl-d-valine (ACV). This reaction is ...
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San Martín Barrientos, Aurelio; Rovirosa, Juana; Vaca Cerezo, Inmaculada; Vergara, Karen; Acevedo, Laura; Viña, Dolores; Orallo, Francisco; Chamy, María Cristina (Sociedad Chilena de Quimica, 2011)Four compounds that belong to two structure types, namely dibenzylbutyrolactone and sesterterpenoids, were obtained from the extract of the strain Aspergillus sp. (2P-22), isolated from a marine sponge, Cliona chilensis. ...
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Fierro, Francisco; Vaca Cerezo, Inmaculada; Castillo, Nancy I.; Ovidio García-Rico, Ramón; Chávez, Renato (MDPI, 2022)The discovery of penicillin entailed a decisive breakthrough in medicine. No other medical advance has ever had the same impact in the clinical practise. The fungus Penicillium chrysogenum (reclassified as P. rubens) has ...
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Gutiérrez Kafati, Pablo Ibrahín (Universidad de Chile, 2018)Los rizobios, bacterias simbiontes de leguminosas que fijan nitrógeno y sintetizan fitohormonas, pueden ser utilizados como alternativa a los fertilizantes químicos que generan efectos adversos sobre el medio ambiente. El ...
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Espinosa, Yeison; Trebotich, Jovanka; Sepúlveda, Francisco; Cadena, Jeisson; Vargas Straube, María José; Vaca Cerezo, Inmaculada; Bull, Paulina; Levicán, Gloria; Chávez, Renato (Springer, 2011)The biotechnological applications of cheese-ripening fungi have been limited by a lack of genetics tools, in particular the identification and characterization of suitable promoters for protein expression. In this study, ...
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Torrent, Claudia; Gil Durán, Carlos; Rojas Aedo, Juan F.; Medina, Exequiel; Vaca Cerezo, Inmaculada; Castro, Paulo; García Rico, Ramón O.; Cotoras, Milena; Mendoza, Leonora; Levicán, Gloria; Chávez, Renato (Frontiers Media S.A., 2017)© 2017 Torrent, Gil-Durán, Rojas-Aedo, Medina, Vaca, Castro, García-Rico, Cotoras, Mendoza, Levicán and Chávez. The sfk1 (suppressor of four kinase) gene has been mainly studied in Saccharomyces cerevisiae, where it was ...
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Palma Zamorano, Diego Alejandro (Universidad de Chile, 2022)Penicillium roqueforti es un hongo filamentoso de interés biotecnológico que produce andrastina y ácido micofenólico, dos metabolitos secundarios (MS) con actividades biológicas de uso farmacológico. Adicionalmente, esta ...