{"id":55827,"date":"2006-01-12T00:00:00","date_gmt":"2006-01-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aislamiento-purificacion-y-caracterizacion-estructural-de-nuevos-principios-bioactivos-a-partir-de-extractos-fungicos\/"},"modified":"2006-01-12T00:00:00","modified_gmt":"2006-01-12T00:00:00","slug":"aislamiento-purificacion-y-caracterizacion-estructural-de-nuevos-principios-bioactivos-a-partir-de-extractos-fungicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/estructura-de-moleculas-organicas\/aislamiento-purificacion-y-caracterizacion-estructural-de-nuevos-principios-bioactivos-a-partir-de-extractos-fungicos\/","title":{"rendered":"Aislamiento, purificaci\u00f3n y caracterizaci\u00f3n estructural de nuevos principios bioactivos a partir de extractos f\u00fangicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  L\u00f3pez Gresa Mar\u00eda Del Pilar <\/strong><\/h2>\n<p>La naturaleza es una fuente inagotable de metabolitos secundarios, muchos de los cuales llegan a ser verdaderas herramientas farmacol\u00f3gicas, que pueden tanto tener una utilidad terap\u00e9utica como ayudar a comprender el funcionamiento de diversos procesos metab\u00f3licos. Las propiedades biol\u00f3gicas de estos compuestos son muy diversas: antitumoral, antibi\u00f3tica, citost\u00e1tica, inmunomodular, antif\u00fangica, antioxidante, insecticida o antiinflamatoria. Principalmente se obtienen a partir de plantas superiores, organismos marinos, hongos microsc\u00f3picos y bacterias. La variedad de estructuras carbonadas, las diferentes actividades terap\u00e9uticas mostradas y la elucidaci\u00f3n de rutas biosint\u00e9ticas hacen que el aislamiento, identificaci\u00f3n, s\u00edntesis qu\u00edmica y ensayo de nuevas sustancias naturales siga teniendo un enorme inter\u00e9s.  en este sentido, nuestro grupo de investigaci\u00f3n trabaja desde hace a\u00f1os en el aislamiento, elucidaci\u00f3n, transformaci\u00f3n qu\u00edmica y s\u00edntesis de diversos compuestos de origen natural, procedentes de extractos f\u00fangicos terrestres que han destacado por poseer actividad insecticida, fungicida, bactericida, antioxidante y citot\u00f3xica. Continuando con la metodolog\u00eda de trabajo del centro de ecolog\u00eda qu\u00edmica agr\u00edcola (ceqa) en la universitat polit\u00e9cnica de val\u00e9ncia, en la presente tesis se han estudiado los extractos org\u00e1nicos de diversos micro hongos: aspergillus ochraceus wilhelm, penicillium cluniae quintanilla y penicillium coalescens quintanilla como materia prima de biometabolitos con posibles aplicaciones farmacol\u00f3gicas o insecticidas. a partir del extracto del caldo de a. Ochraceus, que mostr\u00f3 actividad citost\u00e1tica, se han aislado cuatro compuestos: stephacidin a, circumdatin e, circumdatin h y flavacol, siendo el primero de ellos el responsable de dicha actividad. Todas estas mol\u00e9culas hab\u00edan sido aisladas previamente en esta misma especie, con excepci\u00f3n de circumdatin h que es la primera vez que se describe en la naturaleza.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aislamiento, purificaci\u00f3n y caracterizaci\u00f3n estructural de nuevos principios bioactivos a partir de extractos f\u00fangicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aislamiento, purificaci\u00f3n y caracterizaci\u00f3n estructural de nuevos principios bioactivos a partir de extractos f\u00fangicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0  L\u00f3pez Gresa Mar\u00eda Del Pilar <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/12\/2006<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jaime Primo Millo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Miranda alonso <\/li>\n<li>Antonio Abad somovilla (vocal)<\/li>\n<li> Zafra-polo carreras M\u00aa del carmen (vocal)<\/li>\n<li>almudena Bermejo del castillo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de L\u00f3pez Gresa Mar\u00eda Del Pilar La naturaleza es una fuente inagotable de metabolitos secundarios, muchos de los 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